DELI - Hillphoenix

Transcription

DELI - Hillphoenix

DELI
C A S E S
MODELS: PMNUM, PMFNUM,
PMN2UM, PMFN2UM
INSTALLATION & OPERATION
HANDBOOK
Featuring
Technology
P902077H
Rev 4 1/07
COMPONENT
WARNING
AVERTISSEMENT
MORE THAN ONE SOURCE OF
ELECTRICAL SUPPLY. DISCONNECT
ALL SOURCES BEFORE SERVICING.
PLUS D’UNE SOURCED’ALIMENTATION.
AVANT LE DÉPANNAGE,
COUPER TOUTES LES SOURCES
D’ALIMENTATION.
WARNING
HIGH
PRESSURE
DISCONNECT POWER SUPPLY
BEFORE SERVICING.
AVERTISSEMENT
HIGH
PRESSURE
WARNING
HIGH
PRESSURE
HOT PARTS. DO NOT OPERATE UNIT
WITH ACCESS PANEL REMOVED.
COUPER L’ALIMENTATION AVANT
L’ENTRETIEN ET LE DÉPANNAGE.
AVERTISSEMENT
HIGH
PRESSURE
PIÈCES CHAUDES. N’ACTIONNEZ
PAS L’UNITÉ LE PANNEAU D’ACCESS
ÉTANT COUPÉ.
HIGH
PRESSURE
ATTENTION
CAUTION
EMPLOYER DES FILS
D’ALIMENTATION À 90oC (194oF).
USE SUPPLY WIRES SUITABLE
FOR AT LEAST 194oF (90oC).
HIGH
PRESSURE
HIGH
PRESSURE
Welcome to the Prestige display case family. We’re very pleased
you joined us.
This installation and operation handbook has been especially
prepared for everyone involved with Prestige display cases – owners,
managers, installers and maintenance personnel.
You’ll find this book different than traditional manuals. The most
dramatic difference is the use of many more illustrated instructions to
make it easier to read and to help you get the most from this innovative new design. When you follow the instructions you should expect
remarkable performance, attractive fits and finish, and long case life.
We are interested in your suggestions for improvement both in case
design and in this handbook. Please call/write to:
Hill PHOENIX
Marketing Services Department
1925 Ruffin Mill Road
Colonial Heights, VA 23834
Tel: 804-526-4455
Fax: 804-526-7450
or visit our web site at
www.hillphoenix.com
We wish you the very best in outstanding food merchandising and a
long trouble-free operation.
TABLE OF CONTENTS
GENERAL INFORMATION – PAGES 2 - 6
General information, first step recommendations and case dimensional drawings.
THE USE OF CASTERS – PAGE 7
Cases roll on casters–general use and caster removal.
LINE-UP – PAGES 8 - 9
A ten step procedure for initial case lineup with illustrations.
TRIM-OUT – PAGES 10 - 11
An eleven step procedure for trimming out cases with illustrations.
REFRIGERATION - PAGE 12
Diagrams show coil outlet
CASE PIPING - PAGE 13 - 14
Diagrams show case piping options
PIPING DIAGRAMS - PAGE 15 - 16
Detail piping diagrams for each configuration.
SYSTEM CHARGING – PAGE 17 - 18
Instructions on charging and testing the system.
PLUMBING – PAGE 19
Information on drain connections.
ELECTRICAL HOOKUP AND WIRING DIAGRAMS – PAGES 20 - 28
Complete information on electrical connections.
CASE OPERATION – PAGES 29 - 32
Recommended settings for all case controls.
DEFROST AND TEMPERATURE CONTROL – PAGE 33 - 34
Defrost data. Sensor bulb locations.
DIXELL CONTROLS – PAGE 35 - 39
Information on setting the Dixell control units.
AIR FLOW AND PRODUCT LOADING – PAGE 40
Air flow and load limits.
USE AND MAINTENANCE – PAGES 41 - 42
Cleaning and fan information.
GLASS CLEANING - PAGES 43 - 44
Detailed cleaning instructions for non-glare glass.
PARTS ORDERING – PAGES 45
Replacement parts identification.
APPENDIX A - DIXELL INSTALLING AND OPERATING INSTRUCTIONS - PAGE 46
APPENDIX B - SMS OPERATING INSTRUCTIONS - PAGE 53
APPENDIX C - STEP MOTOR EXPANSION VALVES INSTALLATION INSTRUCTIONS - PAGE 61
APPENDIX D - WATER SHED INSTALLATION DETAIL - PAGE 66
PRODUCT WARRANTY - Inside Back Cover
1
GENERAL INFORMATION
DESCRIPTION OF CASES: The cases described in this handbook are part of the Hill
PHOENIX, Prestige design series. Specifically covered in this manual is the PMNUM,
PMFNUM, PMN2UM and PMFN2UM refrigerated service dome and self-service front display
cases.
STORE CONDITIONS: Hill PHOENIX cases are designed to operate in an air conditioned
store with a system that can maintain 75˚F (24˚C) store temperature and 55 percent (maximum) relative humidity (CRMA conditions).
RECEIVING CASES: Examine fixtures carefully for shipping damage and shortages. For
information on shortages contact the Service Parts Department at 1-804-526-4455.
APPARENT DAMAGE: A claim for obvious damage must be noted on the freight bill or
express receipt and signed by the carriers agent, otherwise the carrier may refuse the claim.
CONCEALED DAMAGE: If damage is not apparent until after the equipment is unpacked,
retain all packing materials and submit a written request to the carrier for inspection within 15
days of receipt of equipment.
LOST ITEMS: This equipment has been carefully inspected to insure the highest level of
quality. Any claim for lost items must be made to Hill PHOENIX within 48 hours of receipt of
equipment.
TECHNICAL SUPPORT: If any technical questions arise regarding a refrigerated display
case contact our Customer Service Department in Colonial Heights, VA at 804-526-4455. For
any questions regarding our refrigeration systems or electrical distribution centers contact our
Customer Service Department in Conyers at 1-770-285-3200.
CONTACTING FACTORY: Should you need to contact Hill PHOENIX regarding a specific
fixture, be sure to know the case model number and serial number. This information is on the
serial plate located on the rear panel of the case (see next page for details). Ask for a Service
Parts Representative at 1-804-526-4455.
PRESSURE TESTING: Standard practice for pressure testing secondary systems is to pressurize the system to 100psi. This case must be limited to 70 psi or damage to the deck pans
may occur.
GYLCOL: Glycols used in Hill Phoenix secondary coolant cases should NEVER be mixed
between different manufacturers. Each manufacturer may have different additives or inhibitors
that will congeal when mixed with other manufacturers materials. For more detailed information, refer to the Second Nature manual located on our website at www.hillphoenix.com.
2
REAR SLIDING
DOORS
12 1/4 in
[31.1 cm]
COIL
14 1/2 in
[36.8 cm]
Amp Plate &
Serial Plate
Location
12 1/4 in
[31.1 cm]
COOLGENIX
DISPLAY PANS
25 in
[63.5 cm]
54 7/16 in
[138.2 cm]
34 7/8 in
[88.6 cm]
15 3/4 in
[40.1 cm]
14"
20 13/16 in
[52.9 cm]
FLAT FRONT
ALUMINUM BUMPER
FRONT
15 3/4 in
[40.0 cm]
16 5/16 in
[41.5 cm]
24 3/16 in
[61.4 cm]
12 3/4 in
[32.4 cm]
COIL
15 7/16 in
[39.1 cm]
PLENUM
13 3/4 in
[34.9 cm]
5 in [12.7 cm]
POLYMER BUMPER
FRONT
11 1/2 in
[29.2 cm]
11 9/16 in
[29.4 cm]
6 3/16 in
[15.7 cm]*
4 1/4 in
[10.7 cm]
39 7/16 in [100.1 cm]
46 13/16 in [118.9 cm]
MODEL
PMNUM
50 1/16 in [127.1 cm] {Flat Front}
51 13/16 in [131.6 cm] {Polymer Bumper Front}
51 11/16 in [131.3 cm] {Aluminum Bumper Front}
REAR REFRIGERATION
4 1/8 in [10.5 cm]
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
13 3/4 in
[34.9 cm]
42 1/2 in
[107.9 cm]
**
40 9/16 in
[103.0 cm]
46 13/16 in
[118.9 cm]
38 1/2 in
[97.8 cm]
42 3/16 in
[107.2 cm]
39 7/16 in
[100.2 cm]
ELECTRICAL
REFRIGERATION
WIRING-TO-RACEWAY
(STANDARD)
1 1/2" PVC DRAIN
CONNECTION
8 1/8 in [20.6 cm]
10 5/8 in [27.0 cm]
7/8 in [2.2 cm]
{END}
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
* STUB-UP AREA
** RECOMMENDED STUB-UP CENTERLINE FOR ELECTRICAL AND HUB DRAINS
ENDS ADD APPROXIMATELY 1" TO CASE HEIGHT
SUCTION LINE - 7/8", LIQUID LINE - 1/2"
AVAILABLE SHELF SIZES: 10", 12", 14" & 16"
PRODUCT ON TOP SHELF SHOULD BE 3" BELOW DISCHARGE
RECOMMENDED SHELF CONFIGURATION IS ROWS: 1-14"
3
6 5/8 in [16.8 cm]
GENERAL INFORMATION
REAR SLIDING
DOORS
12 1/4 in
[31.1 cm]
COIL
14 1/2 in
[36.8 cm]
Amp Plate &
Serial Plate
Location
12 1/4 in
[31.1 cm]
COOLGENIX
DISPLAY PANS
25 in
[63.5 cm]
54 7/16 in
[138.2 cm]
34 7/8 in
[88.6 cm]
15 3/4 in
[40.1 cm]
14"
20 13/16 in
[52.9 cm]
FLAT FRONT
ALUMINUM BUMPER
FRONT
15 3/4 in
[40.0 cm]
16 5/16 in
[41.5 cm]
24 3/16 in
[61.4 cm]
12 3/4 in
[32.4 cm]
COIL
15 7/16 in
[39.1 cm]
PLENUM
13 3/4 in
[34.9 cm]
5 in [12.7 cm]
POLYMER BUMPER
FRONT
11 1/2 in
[29.2 cm]
11 9/16 in
[29.4 cm]
6 3/16 in
[15.7 cm]*
4 1/4 in
[10.7 cm]
39 7/16 in [100.1 cm]
46 13/16 in [118.9 cm]
50 1/16 in [127.1 cm] {Flat Front}
MODEL
PMFNUM
REAR REFRIGERATION
4 1/8 in [10.5 cm]
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
13 3/4 in
[34.9 cm]
42 1/2 in
[107.9 cm]
**
40 9/16 in
[103.0 cm]
46 13/16 in
[118.9 cm]
38 1/2 in
[97.8 cm]
42 3/16 in
[107.2 cm]
39 7/16 in
[100.2 cm]
ELECTRICAL
REFRIGERATION
WIRING-TO-RACEWAY
(STANDARD)
1 1/2" PVC DRAIN
CONNECTION
8 1/8 in [20.6 cm]
10 5/8 in [27.0 cm]
7/8 in [2.2 cm]
{END}
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
* STUB-UP AREA
RECOMMENDED SHELF CONFIGURATION IS ROWS: 1-14"
4
6 5/8 in [16.8 cm]
REAR SLIDING
DOORS
12 1/4 in
[31.1 cm]
COIL
14 1/2 in
[36.8 cm]
Amp Plate &
Serial Plate
Location
12 1/4 in
[31.1 cm]
COOLGENIX
DISPLAY PANS
25 in
[63.5 cm]
60 7/16 in
[153.5 cm]
14"
21 13/16 in
[55.4 cm]
16"
26 7/8 in
[68.2 cm]
40 15/16 in
[103.9 cm]
FLAT FRONT
ALUMINUM BUMPER
FRONT
15 3/4 in
[40.0 cm]
16 5/16 in
[41.5 cm]
24 3/16 in
[61.4 cm]
12 3/4 in
[32.4 cm]
COIL
15 7/16 in
[39.1 cm]
PLENUM
13 3/4 in
[34.9 cm]
5 in [12.7 cm]
POLYMER BUMPER
FRONT
11 1/2 in
[29.2 cm]
11 9/16 in
[29.4 cm]
6 3/16 in
[15.7 cm]*
4 1/4 in
[10.7 cm]
39 7/16 in [100.1 cm]
MODEL
PMN2UM
46 13/16 in [118.9 cm]
50 1/16 in [127.1 cm] {Flat Front}
REAR REFRIGERATION
4 1/8 in [10.5 cm]
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
13 3/4 in
[34.9 cm]
42 1/2 in
[107.9 cm]
**
40 9/16 in
[103.0 cm]
46 13/16 in
[118.9 cm]
38 1/2 in
[97.8 cm]
42 3/16 in
[107.2 cm]
39 7/16 in
[100.2 cm]
ELECTRICAL
REFRIGERATION
WIRING-TO-RACEWAY
(STANDARD)
1 1/2" PVC DRAIN
CONNECTION
8 1/8 in [20.6 cm]
10 5/8 in [27.0 cm]
7/8 in [2.2 cm]
{END}
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
* STUB-UP AREA
RECOMMENDED SHELF CONFIGURATION IS ROWS: 1-14" & 1-16"
5
6 5/8 in [16.8 cm]
GENERAL INFORMATION
REAR SLIDING
DOORS
12 1/4 in
[31.1 cm]
COIL
14 1/2 in
[36.8 cm]
Amp Plate &
Serial Plate
Location
12 1/4 in
[31.1 cm]
COOLGENIX
DISPLAY PANS
25 in
[63.5 cm]
60 7/16 in
[153.5 cm]
14"
21 13/16 in
[55.4 cm]
16"
26 7/8 in
[68.2 cm]
40 15/16 in
[103.9 cm]
FLAT FRONT
ALUMINUM BUMPER
FRONT
15 3/4 in
[40.0 cm]
16 5/16 in
[41.5 cm]
24 3/16 in
[61.4 cm]
12 3/4 in
[32.4 cm]
COIL
15 7/16 in
[39.1 cm]
PLENUM
13 3/4 in
[34.9 cm]
5 in [12.7 cm]
POLYMER BUMPER
FRONT
11 1/2 in
[29.2 cm]
11 9/16 in
[29.4 cm]
6 3/16 in
[15.7 cm]*
4 1/4 in
[10.7 cm]
MODEL
PMFN2UM
39 7/16 in [100.1 cm]
46 13/16 in [118.9 cm]
50 1/16 in [127.1 cm] {Flat Front}
REAR REFRIGERATION
4 1/8 in [10.5 cm]
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
13 3/4 in
[34.9 cm]
42 1/2 in
[107.9 cm]
**
40 9/16 in
[103.0 cm]
46 13/16 in
[118.9 cm]
38 1/2 in
[97.8 cm]
42 3/16 in
[107.2 cm]
39 7/16 in
[100.2 cm]
ELECTRICAL
REFRIGERATION
WIRING-TO-RACEWAY
(STANDARD)
1 1/2" PVC DRAIN
CONNECTION
8 1/8 in [20.6 cm]
10 5/8 in [27.0 cm]
7/8 in [2.2 cm]
{END}
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
* STUB-UP AREA
RECOMMENDED SHELF CONFIGURATION IS ROWS: 1-14" & 1-16"
6
6 5/8 in [16.8 cm]
CASES
MOVE ON
CASTERS
FOR EASIER INSTALLATION
Casters not only speed up the process, but they
also reduce the chance of damage from raising and
lowering cases with ”J” bars to place them on dollies, skates or rollers. In most situations, one or two
persons can move the case with ease.
Prestige cases are manufactured and shipped to stores
with casters installed on the base frame to make the
job of moving cases easier for everyone involved with
the manufacturing, shipping and installation process.
1
2
ROLL OUT OF TRUCK. When there is a truck - level
delivery dock, cases may be rolled directly from the
truck to the store floor. [CAUTION] If skid boards are
required to unload cases, casters should be removed
prior to sliding them down the skid; after which they can
be reinstalled on case.
ROLL TO LINE UP POSITION. Casters may remain
in place to move the cases to staging areas around the
store, prior to final installation. When ready for final
line-up, roll the case to set position, then remove the
casters.
3
4
REMOVE COTTER PIN. Removing the casters is
easy. Simply remove the pins holding the casters then
lift the case with “J” bar, and pull the casters out.
CASTERS MAY BE DISCARDED.
[CAUTION] Make certain hands are out of the way.
7
LINE UP
COIL
BASE RAIL
Consult With General Contractor
Snap Chalk Lines
Ask the general contractor if there have
been changes in the building dimensions since the print you are using
was issued. Also, ask the points of
reference from which you should take
dimensions to locate the cases.
Mark floor where cases are to be
located for the entire lineup.
1
2
COIL
PLENUM
Snap Lines On Base Rail
Locations
Snap lines where base rails are positioned, not the front or back edges of
the cases. See case cross-section
drawing, pages 3-6, for rail location
dimensions.
3
COTTER PIN
LOCATION
CASTER
Level Floor. Use Laser Transit
Set Shims On Basehorse Locations
Leveling is necessary to assure
proper case alignment. Locate highest point on chalk line as reference for
determining height of shim-pack
levelers. A laser transit is recommended for precision and requires just
one person.
Locate basehorse positions along chalk
lines. Spot shim packs at each basehorse location.
4
5
8
BASE RAIL
Position First Case In Lineup,
Remove Casters, Level
Roll first case into position. Raise case
from end under cross support using
“J” bar. Remove the pins holding the
casters and pull the casters out of the
baseframe. [CAUTION! Keep hands
from under case].
6
CAULK
COIL
COIL
MASTER
BUMPER
PLENUM
BUMPER
JOINT
Position Next Case In Line Up
7
Roll case approximately 6’ from adjoining case. Remove casters on the end
nearest to the next case. Allow casters
to remain on opposite end to assist in
pushing cases together - then remove
them.
Remove Shipping Accessories From
Case. Add Sealant.
Remove anything from case that may
interfere with case joining (eg. shipping
braces). Run a bead of sealant around
entire end before pushing cases tightly
together.
8
BUMPER
SCREWS
OPTIONAL FRONT - Loosen Bumper
9
Loosen screws on master bumper.
Move bumper joint to a position for sliding between adjoining case bumper.
1
COIL
2
3
4
COIL
PLENUM
6
5
Bolt Cases Together Using Bolt
Holes Provided
Push cases tightly together. Bolt cases
together through the holes provided.
Tighten until all margins are equal; do
not over tighten.
10
Ask about our case installation video available by request through your local Hill PHOENIX Sales or Field Service
Representative.
9
TRIM OUT
Now that cases have been positioned and leveled, you
may proceed to trim-out case lineup. Trim parts have been
designed to be applied easily with only a small number of
fasteners required. Most external parts are adjustable to
achieve almost invisible, snug-fitting joints and a high level
of excellence in fit and finish.
MASTER BUMPER
1
Tighten all joint bolts. Draw up tightly, but
do not over tighten. Bolts are intended
to hold the line-up in place not for pulling
cases together.
OPTIONAL
MASTER
BUMPER
2
BUMPER JOINT
LOCATION
OPTIONAL ORIGIN FRONT - Adjust
polymer master bumper joints, if required.
First loosen bumper screws. Then slide
sub-surface joint band to center of joint.
Use screw driver in hole provided.
END
3
Close seam where bumper joins case
end. Bumper joint closes seam that
may develop if master bumper is moved
away from end to close case-to-case joint
seam. *OPTIONAL FRONT* See page 3
for other options.
ACRYLIC
TAPE
CASE TO CASE
WATERSHED
4
Seal joints along pipe chase seam with
the caulk provided.
PIPE
CHASE
5
Apply acrylic tape over pipe chase
for the self-service portion of the
Tape is found with the ship loose
and acts as a watershed preventing
from settling in case joint.
10
seam
case.
items
water
6
Apply water shed over pipe chase seam
for the service dome portion of the case.
The water shed is found with the ship
loose items and acts as a barrier preventing water from settling in case joint.
For more details see Appendix D on
page 66.
LONGITUDINAL
RAIL
KICKPLATE
BRACKET
7
LOWER REAR
PANEL
Install lower rear panel. Slide lower rear
panel underneath the rear storage box
then down onto the longitudinal rail.
8
J-RAIL
Install j-rail. The j-rail simply screws to
the kickplate bracket with the fasteners
provided.
KICKPLATE
RETAINER
9
KICKPLATE
BRACKET
Attach kickplate retainer. The kickplate
retainer screws to the kickplate bracket
just above the j-rail.
END
KICKPLATE
RETAINER
END
KICKPLATE
KICKPLATE
J-RAIL
10
Install kickplate. Fit the kickplate up,
behind the kickplate retainer and then
down onto the j-rail.
DUAL
LOCK
BASEFRAME
11
Attach end kickplate. Screw the kickplate
to the baseframe, both at the front and
rear, using the screws provided. Seal the
end kickplate to the floor by running a bead
of caulk along the edge where it meets the
floor.
11
12
OPTIONAL ORIGIN FRONT - Insert nose
bumper into master bumper channel. Roll
nose bumper into channel along entire
lineup (up to 96’). We recommend that the
nose bumper be left in the store 24 hours
before installing. DO NOT STRETCH the
bumper during installation as it will shrink
to its original length and leave a gap.
REFRIGERATION
Refrigeration components and the coil
outlet hole are located to provide the best
access for installation and maintenance. As the
diagram below indicates, the front coil outlet hole
is positioned forward on the right hand side of the
case.
An alternate penetration location is at the right
hand side of the rear box. The case piping can
be run independently to the self service front
and the full service dome, or the 2 circuits can
be piped together and routed through either of
the 2 locations. When piped together additional
control components for defrost and temperature
control are required for the front section.
The expansion valve and other controls
are located on the left hand side of the case in
the self-service section.
If it becomes necessary to penetrate the
case bottom for any reason, make certain it is
sealed afterward with canned-foam sealant and
white RTV.
REAR REFRIGERATION
4 1/8 in [10.5 cm]
4 1/4 in [10.8 cm]
13 3/4 in
[34.9 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
42 1/2 in
[107.9 cm]
**
38 1/2 in
[97.8 cm]
39 7/16 in
[100.2 cm]
46 13/16 in
[118.9 cm]
REFRIGERATION
7/8 in [2.2 cm]
{END}
6 5/8 in [16.8 cm]
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
12
CASE PIPING - SSC
TOP AND FRONT PIPED SEPERATELY
FRONT COIL
LIQUID LINE
CHILLER
SUCTION LINE
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
SUCTION LINE
LIQUID LINE
Separate piping allows the top and the front of
the case to be supplied from different suction
groups. The top requires a 15°F saturated
evaporator temperature while the front will
work with either a 20°F saturated evaporator
temperature or a 15°F evaporator temperature.
If a 15°F saturated evaporator temperature is
supplied to the front, the case has to be controlled as temperature cycled. Separate piping
is also the only way to get hot gas defrost for
the front coil. The top can not be subjected
to any defrost from compressor system.
TOP AND FRONT PIPED TOGETHER
FRONT COIL
LIQUID LINE
CHILLER
SUCTION LINE
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
SUCTION LINE
LIQUID LINE
SOLENOID
This will require an additional liquid line solenoid
to be orderded with the refrigeration package.
The liquid line solenoid can be controlled as
a temperature cycled case from the rack controller; or controlled at the case. Defrost can
be controlled from the rack controller or at the
case as a time off defrost or electric defrost.
See SSC defrost note below for more details.
Refrigeration can only be stopped by using the
liquid solenoid in the case, thus leaving the top
refrigeration feed on to the top of the case.
SSC Defrost Note: A rack controller can be used to control the front of the case by cycling off the
solenoid for time off defrost, or to cycle off the solenoid and energize the electric defrost heaters.
Otherwise, a DiXell case controller will be supplied to control the fronts defrost. If electric defrost is
ordered a defrost termination sensor is required for rack control. If a DiXell case controller is used,
all required components are included. Top case defrost is controlled by either the rack controller or a
separate factory installed DiXell 460 controller. When a rack controller is used, the top case has to be
setup as if it were 2 separate temperature cycled cases. It requires 2 sensor inputs that independently
control 2 digital outputs. If a DiXell case controller is used, all required components are included.
13
CASE PIPING - REMOTE
TOP AND FRONT PIPED SEPERATELY
FRONT COIL
SUPPLY LINE
VALVE
STATION
RETURN LINE
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
RETURN LINE
SUPPLY LINE
BALANCING
VALVE
The standard for separate piping has the top
connections located in the right side of the rear
storage box, while the front piping is inside the
right side of the front case. Both sections require
a 20°F supply. Separate piping is also the only
way to get warm fluid defrost for the front section.
The top can not be subjected to the same
defrost as the front of the case. Temperature
sensors for the top coil, and Coolgenix pans
are required for any remote case. They have to
be the same make as the rack controller. The
required sensors independently control 2 digital
outputs. The front section should be controlled
like a standard open case.
Optionally, the top supply and return can be run to the inside right of the front case. The tops of all
remote cases have to be controlled as 2 separate temperature cycled cases. This requires 2 sensor
inputs that independently control 2 digital outputs. There are pan supply and coil supply solenoids for
the top of each case with the standard being a 120 volt normally closed valve. Normally open valves
are an option as well as 208 volt and 24 volt solenoid coils. The front section should be controlled like
a standard open case.
TOP AND FRONT PIPED TOGETHER
FRONT COIL
SUPPLY LINE
VALVE
STATION
RETURN LINE
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
COOLGENIX
PAN
COOLGENIX
PAN
COOLGENIX
PAN
TOP COIL
When both sections of the case piping are tied
together, the case has to be controlled as 3 separate temperature cycled cases. This requires 3
sensor inputs that independently control 3 digital
outputs. The solenoid type, normally open or
normally closed, and voltage, 120, 208 or 24
volts, have to be determined. This is based on
how the case will be controlled. See remote
defrost note below for more details.
RETURN LINE
SUPPLY LINE
SOLENOID
VALVE
BALANCING
VALVE
Remote Defrost Note: The preferred method is to have defrost controlled by the system controller.
The front defrost will be time-off based on the case operation information. The top coil and coolgenix
pans defrost will be time-off based on the case operation information. Neither warm fluid nor electric
defrost is available for either section of the case when piped as a single circuit.
14
PIPING DIAGRAM-
15
SEMI-SELF-CONTAINED
PIPING DIAGRAM-
16
REMOTE
DOME SYSTEM CHARGING
Sevice Dome’s System Charging
Charging the system is important to insure that air is eliminated from the system for maximized
performance and that the pump is flooded to prevent damage caused by cavitation. Excessive air in
the system can reduce the heat transfer capacity and even block the flow to one or more of the heat
transfer components (a Coolgenix Pans or section of the top coils). The Hill Phoenix SSC (Semi-SelfContained) cases use an open loop secondary system supplying independent circuits to the Coolgenix
pans and the gravity top coils. Both circuits return to a common reservoir tank that is at atmospheric
pressure. All cases are tested and shipped with a 35% mixture of Dowfrost propyleneglycol.
Staring a newly delivered SSC case
Unless specified otherwise, all Hill Phoenix SSC cases are charged and run at the factory. Much
of the fluid is drained out of the reservoir before shipping to keep it from sloshing out during shipment
and handling. Before starting the case, the DX (direct expansion) side of the chiller must be connected
to the appropriate refrigerant lines and the power connected to the case. Starting the case consist of
topping up the reservoir tank, insuring that all hand valves are open and applying power by switching
the main control switch and the pump switch to the on position. This requires access to the chiller and
the electrical box. They are located at the rear of the case on the right hand side below the top dome.
A removable panel containing the light switches and level indicator lights identifies this section. A filling tube initiating at the top of the reservoir tank is assessable once the panel is removed. There are
2 indicator lamps located at the rear of the control box. One is red and the other blue. The red lamp
indicates that the fluid level in the reservoir is low and should be topped up. The blue lamp indicates
that the reservoir is full and no more glycol should be added or it will spill onto the floor. If neither lamp
is on the fluid level is in the operating range. To top up the reservoir remove the filling tube from its
holding position and extend it to insure there are no kinks or obstructions in it. Remove the charging
cap and pour propyleneglycol (use only 35% Dowfrost) in until the blue lamp lights, indicating that the
reservoir tank is full. Replace the charging cap and return the hose to its holding position.
CHILLER PACKAGE
17
DOME SYSTEM CHARGING
Recharging a System That Has Been Drained
There may be circumstances where a system has to be drained, flushed and recharged. This
would usually be due to contaminants being added to the approved propyleneglycol. Charging and air
purging should be done with the hand valve on the primary side of the chiller closed. Field charging the
chiller system requires bumping the pump. The pump is capable of emptying the reservoir faster than
fluid can be poured into it. When the system is empty the reservoir must be filled until the blue light is
illuminated, the pump should then be bumped on using the pump switch until the red light comes on.
The reservoir has to be refilled and the process repeated until the red light no longer comes on. The
pump can then be left on. Each circuit in the system may be cycled by adjusting the set point above
ambient to stop flow and below fluid temperature to force flow. This will help force any entrapped air
out of the pans and top coils. The flow through the system is never perfectly silent; however if an obvious gurgling sound is heard in any of the pans or at the outlet of a top coil, this indicates air movement
at that location.
Increased flow can be forced by restricting the flow to the other components in the circuit. For pans
with quick connects, this can be done by disconnecting one of the hoses to the non-problem pans.
For pans without quick connects, the flow can be restricted by pinching the blue feed hoses on the
non-problem components. Do not use any kind of clamp that could cut or tear the hoses. There are
also Schrader fittings in the return headers of each of the top coils. Entrapped air may be bled off by
depressing the core of the fitting or removing it until a solid fluid stream is present. While purging air
pay attention to the red indicator lamp, do not allow the reservoir to empty. Once the majority of the air
is purged and the case is performing acceptably, top-up the reservoir until the blue lamp is on, open
the primary side hand valve and close up the case. Any incidental air in the system will be
removed during the normal operation of the case.
18
PLUMBING
The kickplate is shipped loose with the
case for field installation, therefore you should
have open access to the drain line area.
If the kickplate has been installed, you
will find it very easy to remove. See instructions
below, or the trim out section of this manual on
page 11.
The drain outlet is located front and
center of the cases for convenient access and
is especially molded out of PVC material. The
“P” trap, furnished with the case, is constructed
of molded PVC pipe. Care should be given to
assure that all connections are water tight and
sealed with the appropriate PVC cement.
The drain lines can be run left or right
of the tee with the proper pitch to satisfy local
drainage requirements.
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
42 1/2 in
[107.9 cm]
**
42 3/16 in
[107.2 cm]
39 7/16 in
[100.2 cm]
46 13/16 in
[118.9 cm]
1 1/2" PVC DRAIN
CONNECTION
7/8 in [2.2 cm]
{END}
CL
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
HOW TO REMOVE KICKPLATE
KICKPLATE
RETAINER
KICKPLATE
J-RAIL
19
1. Lift up kickplate from j-rail
and pull out from behind
kickplate retainer.
2. Unscrew kickplate retainer
from kickplate bracket
ELECTRICAL HOOKUP
Electrical hookups for the case are made in
the front of the case in the continuous raceway.
Each circuit will be labeled separately. Access is
gained by removing the front kickplate and kickplate
retainer.
For case-to-case wiring the wires can be
routed through the continuous raceway.
CAUTION
USE SUPPLY WIRES SUITABLE
FOR AT LEAST 194oF (90oC).
4 1/4 in [10.8 cm]
50 1/16 in
[127.2 cm]
or
51 13/16 in
[131.6 cm]
or
51 11/16 in
[131.3 cm]
ATTENTION
EMPLOYER DES FILS
D’ALIMENTATION À 90oC (194oF).
42 1/2 in
[107.9 cm]
**
40 9/16 in
[103.0 cm]
39 7/16 in
[100.2 cm]
HIGH
PRESSURE
Note: When re-installing any lamp
(cornice, shelf, nose, etc.) be sure
the lamp cap is seated completely
on to the lamp holder.
ELECTRICAL
46 13/16 in
[118.9 cm]
HIGH
PRESSURE
7/8 in [2.2 cm]
{END}
WIRING-TO-RACEWAY
(STANDARD)
CL
8 1/8 in [20.6 cm]
10 5/8 in [27.0 cm]
FRONT OF CASE
NOTES:
48 in [121.9 cm] {4' case}
72 in [182.9 cm] {6' case}
96 in [243.8 cm] {8' case}
144 in [365.8 cm] {12' case}
LAMP CAP
WIRING NUMBERS AND COLORS
20
LAMP
HOLDER
21
DOME REMOTE
WIRING
NO-CONTROLLER
22
DIXELL CONNECTION DIAGRAM ALL CONTROLS AT CASE
23
ALL CONTROLS
AT CASE
DIXELL
LADDER
DIAGRAM
24
SMS
CONNECTIONS
FAN AND LIGHT WIRING
25
26
DOME DIXELL LADDER DIAGRAM TEMP CONTROLLED AT CASE DEFROST CONTROLLED BY CUSTOMER
27
DIXELL SCHEMATIC TEMP CONTROLLED AT CASE DEFROST CONTROLLED BY CUSTOMER
28
CPC CONTROLS WIRING
Multi-Deck Curved Glass Dome Meat/Seafood Merchandiser
PMNUM - 4’, 6’, 8’ & 12’
Electrical Data
Secondary2
Standard Fans High Efficiency Anti-Condensate
Coolant Pump
Fans
Heaters
Fans1
120 Volts
per
Case Amps Watts
Model
4’
6’
8’
12’
PMNUM
3
4
4
6
0.68
1.36
1.36
2.04
120 Volts
120 Volts
Defrost Heaters
120 Volts
208 Volts
Amps
Watts
Amps
Watts
Amps
Watts
Amps
0.30
0.60
0.60
0.90
22
44
44
66
0.55
1.03
1.03
1.60
66
124
124
192
2.10
2.10
2.10
2.10
252
252
252
252
1.92
2.88
3.85
5.77
34
68
68
102
1
Applicable for self service portion of PMNUM case only.
2
Secondary coolant pump is only applicable for the semi-self-contained version of the service dome.
Model
PMNUM
4’
6’
8’
12’
Watts
400
600
800
1200
532
798
1065
1600
2.22
3.33
4.44
6.67
Cut in / Cut Out
Lighting Data
Typical per
Light Row
Bulbs
120 Volts
Bulb
per
Row Length Amps Watts
4’
1
0.23
28
3’
2
0.37
44
4’
2
0.47
56
4’
3
0.70
84
240 Volts
Watts Amps
Suggested Meat
ASHRAE Conditions3
Prep. Settings4
Cut Out
Cut in
Cut Out
Cut in
Temp. (°F) Temp. (°F) Temp. (°F) Temp. (°F)
Maximum
Lighting
120 Volts
Amps Watts
0.70
84
1.10
132
1.40
168
2.10
252
Pans
Top Coil
3
26
26
31
31
29
29
33
34
These temperatures are based on cases running at ASHRAE conditions.
4 These
specifications should be considered a guide and may need to be adjusted
based on store conditions. Because these cases are often installed in stores near
a meat preparation area where standard ASHRAE conditions may not apply; the
following suggested meat prep. setting may prove useful.
Guidelines & Control Settings - Semi-Self-Contained
Model
BTUH/ft5
PMNUM - Self Service
840
Model
PMNUM - Dome9
Evaporator Superheat Set Discharge Air Return Air Discharge Air Velocity6
Point @ Bulb (°F)
(°F)
(FPM)
(°F)
(°F)
17
29
6-8
Flow Rate7 Charge8
Chiller
Supply
GPM/ft
GAL/ft
BTUH/ft5 Temp. (°F) Temp. (°F)
350
20
15
0.75
275 - 300
44
0.25
Max. Working
Max. Static
Pressure (PSIG) Pressure (PSIG)
50
5
BTUHs/ft listed are for parallel operation. Conventional ratings may be approximated by multiplying listed rating by 1.04.
6
Average discharge air velocity at peak of defrost.
7
Minimum flow rate.
8
For semi-self-contained cases add 2.75 gallon of fluid for the chiller to the total charge.
9
The dome portion of the PMNUM case operates using our patented secondary coolant Coolgenix technology.
70
Guidelines & Control Settings - Remote Secondary
Model
PMNUM - Dome
Supply Flow Rate Charge
GAL/ft
BTUH/ft Temp. (°F) GPM/ft
840
350
20
20
0.65
0.75
0.54
0.50
Defrost Controls
Electric Defrost
Model
PMNUM - Dome
Timed Off Defrost
Warm Fluid
Reverse Air Defrost
Fail-safe Termination Fail-safe Termination Fail-safe Termination Fail-safe Termination
Defrosts Run-Off
Per Day Time (min)
(min)
Temp. (°F)
(min)
(min)
(min)
Temp. (°F)
Temp. (°F)
Temp. (°F)
6
30
47
6-8
30
1511
--4511
47
--1
5
10
NOTE: - - - not an option on this case model.
11
This option only available on the remote secondary version.
- - -10
---
60
COMPONENT
All measurements are taken per ARI 1200 - 2002 specifications.
29
45
---
---
---
---
Multi-Deck Flat Glass Dome Meat/Seafood Merchandiser
PMFNUM - 4’, 6’, 8’ & 12’
Electrical Data
Secondary2
Coolant Pump
Fans
Heaters
Fans1
120 Volts
per
Case Amps Watts
Model
4’
6’
8’
12’
PMFNUM
3
4
4
6
0.68
1.36
1.36
2.04
120 Volts
120 Volts
Defrost Heaters
120 Volts
208 Volts
Amps
Watts
Amps
Watts
Amps
Watts
Amps
0.30
0.60
0.60
0.90
22
44
44
66
0.55
1.03
1.03
1.60
66
124
124
192
2.10
2.10
2.10
2.10
252
252
252
252
1.92
2.88
3.85
5.77
34
68
68
102
1
Applicable for self service portion of PMFNUM case only.
2
Model
PMFNUM
4’
6’
8’
12’
Watts
400
600
800
1200
532
798
1065
1600
2.22
3.33
4.44
6.67
Cut in / Cut Out
Lighting Data
Typical per
Light Row
Bulbs
120 Volts
Bulb
per
4’
1
0.23
28
3’
2
0.37
44
4’
2
0.47
56
4’
3
0.70
84
240 Volts
Watts Amps
Suggested Meat
ASHRAE Conditions3
Prep. Settings4
Cut in
Cut Out
Cut Out
Cut in
Maximum
Lighting
120 Volts
Amps Watts
0.70
84
1.10
132
1.40
168
2.10
252
Pans
Top Coil
3
26
26
31
29
31
29
33
34
4 These
Model
BTUH/ft5
PMFNUM - Self Service
840
Model
PMFNUM - Dome9
Point @ Bulb (°F)
(°F)
(FPM)
(°F)
(°F)
17
29
6-8
Flow Rate7 Charge8
Chiller
Supply
GPM/ft
GAL/ft
350
20
15
0.75
275 - 300
44
0.25
Max. Working
Max. Static
50
5
6
7
Minimum flow rate.
8
9
The dome portion of the PMFNUM case operates using our patented secondary coolant Coolgenix technology.
70
Guidelines & Control Settings - Remote Secondary
Model
PMFNUM - Dome
Supply Flow Rate Charge
GAL/ft
BTUH/ft Temp. (°F) GPM/ft
840
350
20
20
0.65
0.75
0.54
0.50
Defrost Controls
Electric Defrost
Model
PMFNUM - Dome
Timed Off Defrost
Warm Fluid
Reverse Air Defrost
Defrosts Run-Off
Per Day Time (min)
(min)
Temp. (°F)
(min)
(min)
(min)
Temp. (°F)
Temp. (°F)
Temp. (°F)
6
30
47
6-8
30
1511
--4511
47
--1
5
10
11
This option only available on the remote secondary version.
- - -10
---
60
COMPONENT
30
45
---
---
---
---
Multi-Deck Curved Glass Dome Meat/Seafood Merchandiser
PMN2UM - 4’, 6’, 8’ & 12’
Electrical Data
High Efficiency Anti-Condensate Secondary2
Coolant Pump
Fans
Heaters
Standard Fans
Fans1
120 Volts
per
Case Amps Watts
Model
4’
6’
8’
12’
PMN2UM
3
4
4
6
0.68
1.36
1.36
2.04
120 Volts
120 Volts
Watts
Amps
Watts
Amps
Watts
Amps
0.30
0.60
0.60
0.90
22
44
44
66
0.55
1.03
1.03
1.60
66
124
124
192
2.10
2.10
2.10
2.10
252
252
252
252
1.92
2.88
3.85
5.77
34
68
68
102
Applicable for self service portion of PMN2UM case only.
2
4’
6’
8’
12’
240 Volts
Watts Amps
400
600
800
1200
Watts
2.22
3.33
4.44
6.67
532
798
1065
1600
Cut in / Cut Out
Lighting Data
PMN2UM
208 Volts
Amps
1
Model
Defrost Heaters
120 Volts
Typical per
Light Row
Bulbs
120 Volts
Bulb
per
4’
1
0.23
28
3’
2
0.37
44
4’
2
0.47
56
4’
3
0.70
84
Suggested Meat
ASHRAE Conditions3
Prep. Settings4
Cut Out
Cut in
Cut Out
Cut in
Maximum
Lighting
120 Volts
Amps Watts
110
0.92
178
1.48
1.88
226
2.80
336
26
26
Pans
Top Coil
3
31
31
29
29
33
34
4 These
Model
BTUH/ft5
PMN2UM - Self Service
840
Model
PMN2UM - Dome9
Point @ Bulb (°F)
(°F)
(FPM)
(°F)
(°F)
17
29
6-8
Flow Rate7 Charge8
Chiller
Supply
GPM/ft
GAL/ft
350
20
15
0.75
275 - 300
44
0.25
Max. Working
Max. Static
50
5
6
7
Minimum flow rate.
8
9
The dome portion of the PMN2UM case operates using our patented secondary coolant Coolgenix technology.
70
Defrost Controls
Electric Defrost
Model
PMN2UM - Self Service
PMN2UM - Dome
10
Timed Off Defrost
Warm Fluid
Reverse Air Defrost
Defrosts Run-Off
Per Day Time (min)
(min)
Temp. (°F)
(min)
(min)
(min)
Temp. (°F)
Temp. (°F)
Temp. (°F)
6
30
47
6-8
30
----47
----1
5
- - -10
---
60
COMPONENT
31
45
---
---
---
---
Multi-Deck Flat Glass Dome Meat/Seafood Merchandiser
PMFN2UM - 4’, 6’, 8’ & 12’
Electrical Data
Secondary2
Coolant Pump
Fans
Heaters
Fans1
120 Volts
per
Case Amps Watts
Model
4’
6’
8’
12’
PMFN2UM
3
4
4
6
0.68
1.36
1.36
2.04
120 Volts
120 Volts
Defrost Heaters
120 Volts
208 Volts
Amps
Watts
Amps
Watts
Amps
Watts
Amps
0.30
0.60
0.60
0.90
22
44
44
66
0.55
1.03
1.03
1.60
66
124
124
192
2.10
2.10
2.10
2.10
252
252
252
252
1.92
2.88
3.85
5.77
34
68
68
102
1
Applicable for self service portion of PMFN2UM case only.
2
240 Volts
Watts Amps
Watts
400
600
800
1200
532
798
1065
1600
2.22
3.33
4.44
6.67
Cut in / Cut Out
Lighting Data
Model
PMFN2UM
4’
6’
8’
12’
Typical per
Light Row
Bulbs
120 Volts
Bulb
per
4’
1
0.23
28
3’
2
0.37
44
4’
2
0.47
56
4’
3
0.70
84
Suggested Meat
ASHRAE Conditions3
Prep. Settings4
Cut Out
Cut in
Cut Out
Cut in
Maximum
Lighting
120 Volts
Amps Watts
0.92
110
1.48
178
1.88
226
2.80
336
26
26
Pans
Top Coil
3
31
31
29
29
33
34
4 These
Model
BTUH/ft5
PMFN2UM - Self Service
840
Model
BTUH/ft
PMFN2UM - Dome9
350
Point @ Bulb (°F)
(FPM)
(°F)
(°F)
(°F)
17
5
29
6-8
Flow Rate7 Charge8
Chiller
Supply
Temp. (°F) Temp. (°F)
GPM/ft
GAL/ft
20
15
0.75
275 - 300
44
Max. Working
Max. Static
0.25
50
5
6
7
Minimum flow rate.
8
9
The dome portion of the PMFN2UM case operates using our patented secondary coolant Coolgenix technology.
70
Defrost Controls
Electric Defrost
Timed Off Defrost
Warm Fluid
Reverse Air Defrost
Defrosts Run-Off
Model
Per Day Time (min)
(min)
Temp. (°F)
(min)
(min)
(min)
Temp. (°F)
Temp. (°F)
Temp. (°F)
6
30
PMFN2UM - Self Service
47
6-8
30
----47
----PMFN2UM - Dome
10
1
5
- - -10
---
60
COMPONENT
32
45
---
---
---
---
DEFROST AND TEMP CONTROL
Whether the controls are totally contained
at the case or initiated by the rack controller, the
case and product temperatures are maintained by
having the top coils and the Coolgenix deck pans
cycle through their individual dead band range.
The flow of the chilled fluid to the Coolgenix
pans and top coil circuit is controlled by comparing the temperature reading of the appropriate
temperature sensor against the CUT-IN and
DEAD BAND control settings. These two settings
indicate the CUT-OUT temperature, which is the
CUT-IN minus the DEAD BAND. For example,
the factory setting for pan CUT-IN is 31°F with a
5°F DEAD BAND which yields a CUT-OUT setting of 26°F. When the sensor on the pan senses
a temperature of 31°F, fluid is pumped through
the pans until the sensor reads a temperature
of 26°F. Once this temperature is reached, fluid
flow ceases and the temperature slowly creeps
through the dead band until it reaches 31°F and
the process begins again. The factory settings
should be considered a guide and may need to
be adjusted based on store conditions. Because
these cases are often installed in stores near a
meat preparation area where standard ASHRAE
conditions may not apply different settings may
be required for optimal operation.
The Coolgenix dome portion of the case
is available with the defrost and temperature
controls completely mounted at the case, or with
these controls being initiated by the rack controller.
When the controls are mounted at the case
the single time-off defrost is initiated by the Dixell
460 controller mounted in the rear mechanical
area. During defrost the relay logic stops refrigeration by closing the DX liquid line solenoid, it
stops glycol flow to the Coolgenix Pans and forces flow through the top coil via the 2 return solenoids. When in refrigeration the glycol flow to the
top coil and the Coolgenix pans is independently
controlled by the Dixell controller. If neither coils
or pans require flow, a bypass solenoid dumps
the flow into the glycol reservoir.
When defrost and temperature are controlled from the rack, the time-off defrost is controlled by a set of normally open contacts at the
rack controller. When in refrigeration, the top coils
and the Coolgenix pans are controlled as 2 separate temperature controlled cases, independent of
each other. Relay logic at the case still dumps the
flow to the reservoir when neither circuit demands
flow.
The defrost schedule is listed on the case
operations page of this manual and it is important
to consult the control setting guidelines shown
on pages 29-32 before setting defrost times.
Further adjustment may be required depending
on store conditions.
33
32
31
CUT IN
30
29
28
Cut in / Cut Out
DEAD BAND
Suggested Meat
ASHRAE Conditions1
Prep. Settings2
Cut Out
Cut in
Cut Out
Cut in
27
26
25
Pans
Top Coil
CUT OUT
1
24
26
26
31
31
29
29
33
34
2 These
33
DEFROST AND TEMP CONTROL
The self-service portion of the case is independant from the dome. The dome section, the front
case defrost and temperature can be controlled by
the rack controller or completely at the case. There
are 2 different piping arrangements that affect how
these are controlled. The preferred piping is for the
dome section and the front self service section to
be run as 2 separate refrigeration circuits. When
piped separately the front section can be controlled
by the rack controller and is treated like any other
open medium temperature case, with defrost and
temperature controlled at the rack.
When the dome section and the front self
service section are piped together as the same
refrigeration circuit, it is still possible to control
the front section from the rack but not at the
rack. When both sections are dependent on the
same circuit the refrigeration feed from the rack
can not be interrupted before it splits to feed
the 2 sections. In this condition the defrost are
limited to Timed Off and Electric Defrost. Hot
Gas Defrost is not an option. During defrost,
the refrigeration must be shut off by the rack
controller using a liquid line solenoid position
in the case after the tee that splits the dome
section and front section refrigerant feed. The
same solenoid will be used to maintain the lower
case discharge air temperature. Optionally, the
case temperature and defrost can be controlled
at the case by a second DiXell controller. When
used with electric defrost, the termination sensor
is included with the controller.
It is important to consult the control setting guidelines shown on pages 29-32 before
setting defrost times. Further adjustments may
be required depending on store conditions.
TOP COIL TEMPERATURE
SENSOR LOCATION
PAN TEMPERATURE
SENSOR LOCATION
-DISCHARGE AIR TEMPEATURE SENSOR LOCATION
-ELECTRIC DEFROST TERMINATION SENSOR LOCATION
-TIMED-OFF DEFROST TERMINATION SENSOR LOCATION
34
DIXELL CONTROLLER
DIXELL XR460C DUAL TEMPERATURE CONTROLLER
The PMNUM Case family can use up to two independent Dixell XR460C controllers depending on the
options selected and the case configuration. In general, these configurations include:
·Dome Control using three independent temperature probes to control top coil and deck pans.
·Front Case control using separate temperature probes for temperature control and defrost control
(time-off or active).
DIXELL CONNECTIONS FOR DOME SECTION
DIXELL CONNECTIONS FOR FRONT SECTION
35
DIXELL CONTROLLER
The following describes the terminals used on the Dixell XR460C controller:
TERMINAL
16
DESCRIPTION
Input for DECK PAN temperature. Dome Control Only
19
Input for TOP COIL temperature probe.
Input for Front Case TEMPERATURE CONTROL when configured for front case control.
17
Input for DEFROST TERMINATION temperature probe. Used with DONE and FRONT CASE control configurations.
Common terminal for following inputs: 16, 17, and 19. Used with DOME and FRONT CASE control
configurations.
Output for TOP COIL temperature probe. [Dome Control]
Relay (N.O.) output based on Terminal 16 temperature input. Rated at 8 A (resistive) and 3 A
(inductive).
18
5
7
Output for DECK PAN temperature probe. [Dome Control]
Output for Temperature Control when configured for front case temperature control.
Relay (N.O) output based on Terminal 19 temperature input. Rated at 8 A (resistive) and 3 A
(inductive).
Refer to the wiring diagram for terminal connections.
SPECIFICATIONS:
Model Number................................................................................ XR460C-100F0
Power Supply ........................................................................................24V AC/DC
Power Draw...................................................................................... 3VA Maximum
Operating Temperature ............................................................................ 32-140°F
Operating Humidity..........................................................20-85% Non-Condensing
Relay Output .................................... 8A (Resistive Load) and 3A (Inductive Load)
Temperature Probe.......NTC (Negative Temperature Coefficient) Type Thermistor
PROGRAMMING THE DIXELL CONTROLLER
The Dixell controller is used as an elapsed time refrigeration control. In addition to controlling internal
case temperature, the control will cause defrost to occur at regular time intervals. The default setting
is one defrost every 24 hours for the dome and one defrost every 4 to 6 hours for the front case.
The timer begins a programmed defrost countdown to defrost when the case is powered up or when
a manual defrost is initiated.
36
HOW TO CHANGE A PARAMETER VALUE:
Note: SET 1/2 indicates either Parameter Set 1 (Top Coil Parameter Set - SET 1) or parameter set
2 (Deck Pan Parameter Set - SET 2).
1. Press and hold ▼ + SET 1/2 for 3 seconds. Two LEDS will begin blinking on the display
2. Use ▲ and ▼ to move to the desired parameter.
3. Press SET 1/2. The current value for the parameter will be displayed.
4. Press ▲ and ▼ keys to change the parameter value.
5. Press SET 1/2 to store the new parameter value and move to the next parameter value.
6. To exit the menu, press ▲ + SET 1/2 or wait 15 seconds without pressing a key.
HOW TO VIEW THE TEMPERATURE SET POINTS:
1. Press and immediately release SET 1/2. The display will show the set point value.
2. Press and immediately release SET 1/2 or wait for 5 seconds to display the probe value again.
HOW TO CHANGE THE TEMPERATURE SET POINTS:
1. Press SET 1/2 for more than 2 seconds.
2. The value of the temperature set point will be displayed and the * LED starts blinking
3. Press the ▲ or ▼ to raise or lower the temperature set point.
4. Press SET 1/2 again, or wait 10 seconds and the new value will be stored.
HOW TO START MANUAL DEFROST:
1. To start a defrost for SET 1: Press ▲ for 3 seconds.
2. To start a defrost for SET 2: Press ▼ for 3 seconds.
37
DIXELL CONTROLLER
DOME CONTROL USING THE DIXELL XR460C
The Dixell XR460X controller controls the temperature and defrost based on inputs from three
independent temperature probes. These temperature probes are attached to two different components
in the dome case: one probe is attached to the deck pans and the other two are attached to the top coil.
When used in the Coolgenix application the Dixell XR460C uses these temperature probe inputs to
independently control relay outputs. Simple relay logic is initiated based on the input temperatures.
The controller cycles the solenoid valves to maintain the product and case interior temperature
of the Coolgenix system. Also, the Dixell XR460C regulates the top coil defrost cycle based on timeoff. During a defrost cycle the chiller continues to pump the secondary coolant. Flow to the deck pans
is terminated and flow to the top coil is forced.
DOME PARAMETERS:
SET 1 parameters are related to the TOP COIL. SET 2 parameters are related to the DECK
PANS.
Parameter Label
Hy1
Hy2
IdF1
MdF1
IdF2
MdF2
dP1
dP2
dP3
Pr2
Parameter Name
Top Coil Temperature Setpoint Differential
Deck Pan Temperature Setpoint Differential
Top Coil Defrost Interval
Top Coil Defrost Duration
Deck Pan Defrost Interval
Deck Pan Defrost Duration
Top Coil Temperature Probe Value
Deck Pan Temperature Probe Value
Evaporator Probe Value
Protected Parameter Access Passcode
38
Value
5° F
5° F
24
60
24
0
26° F
26° F
45° F
Call Service
FRONT CASE CONTROL USING THE DIXELL XR460C
When used as a front case option the Dixell XR460X controller is used for TEMPERATURE
CONTROL and DEFROST CONTROL (active or time-off). The temperature probe for temperature
control is placed in the discharge air stream and the temperature probe for defrost control is attached
to the coil.
The input from the temperature control probe is used by the Dixell XR460C to set the output for
the liquid line solenoid valve. The input from the defrost termination probe is used to control the defrost
heater (active defrost) and/or close the liquid line solenoid valve (time-off defrost).
FRONT CASE PARAMETERS:
SET 1 parameters are related to the FRONT CASE only. SET 2 parameters are not used
when the Dixell XR460C is configured front case control.
Parameter Label
Hy2
dtE2
IdF2
MdF2
dP1
dP3
Pr2
Parameter Name
Temperature Setpoint Differential
Defrost Termination Temperature
Defrost Interval [hours]
Defrost Duration [minutes]
Temperature Control Temperature Probe Value
Defrost Termination Probe Value
Protected Parameter Access Passcode
39
Value
5° F
45° F
4 to 6
40
29° F
45° F
Call Service
AIR FLOW AND PRODUCT LOADING
Cases have been designed to provide maximum product capacity within the refrigerated air
envelope. It is important that you do not overload the food product display so that it impinges
on the air flow pattern.
Overloading will cause malfunction and the loss
of proper temperature levels, particularly when
discharge and return air sections are covered.
Please keep products within the load limit line
shown on the diagram below.
DISCHARGE..............1
LOAD LIMIT...............2
AIR FLOW..................3
COIL
RETURN AIR.............4
Coolgenix dome
does not have airflow
1
2
3
4
40
USE AND MAINTENANCE
CASE CLEANING
The coil is covered to keep food fluids from entering, but the cover lifts up easily when coil cleaning is
desired. The single piece fan plenum lifts up for cleaning,
exposing a major portion of the inside bottom of the tank.
Make certain fan plenum is properly closed after cleaning to
avoid air leaks.
Cases are designed to facilitate cleaning. All surfaces
pitch to a deep-drawn drain trough that angles toward the
front and center of the case where the waste outlet is located
for easy access.
SINGLE PIECE FAN
PLENUM SWINGS
UP FOR EASY
CLEANING
COIL
PLENUM
COIL
OPTIONAL REMOVAL OF DECK PANS
WITH QUICK CONNECTS
POSITIVE DRAIN OFF
SINGLE PIECE FAN PLENUM LIFT UP
CLEANING PROCEDURES
• A periodic cleaning schedule should be established to maintain proper sanitation, insure maximum operating efficiency, and avoid the corrosive
action of food fluids on metal parts that are left on for long periods of time. We recommend cleaning once a week.
• To avoid shock hazard, be sure all electrical power is turned off before cleaning. In some installations, more than one disconnect switch may have
to be turned off to completely de-energize the case.
• Check waste outlet to insure it is not clogged before starting the cleaning process and avoid introducing water faster than the case drain can carry it
away.
• Avoid spraying cleaning solutions directly on fans or electrical connections.
• Allow cases to be turned off long enough to clean any frost or ice from coil and flue areas.
• Clean the discharge air grill in the self-service section of case. You may need to use spray detergent and a soft, long bristle brush.
• Use mild detergent and warm water. When necessary, water and baking soda solution will help remove case odors. Avoid abrasive scouring
powders or pads.
• When cleaning non-glare glass be sure to use a standard glass cleaner and not a multi-purpose cleanser or combination cleanser.
• A mixture of white vinegar and water or isopropyl alcohol straight from the bottle is very effective in cleaning “build-up” on non-glare glass.
• Under no circumstances should abrasive cleaning solutions such as scouring powders or steel wool be used to clean non-glare glass.
• When cleaning rear door tracks be sure to remove the rear doors and clean from the outside channel to the inside channel using the wipe-out
groove machined into the track.
• Remove front panels and clean underneath the case with a broom and a long handled mop. Instructions for removing the front panels can be found
on page 11 of this manual.
• Use warm water and a disinfecting cleaning solution when cleaning underneath the cases.
• When removing deck pans for cleaning, gently set the pans on the ground in a vertical position up against the front of the case. If equipped with the
optional quick connects, disconnect the coolant lines from the pans for cleaning.
WARNING
MORE THAN ONE SOURCE OF
ELECTRICAL SUPPLY. DISCONNECT
ALL SOURCES BEFORE SERVICING.
HIGH
PRESSURE
AVERTISSEMENT
PLUS D’UNE SOURCED’ALIMENTATION.
AVANT LE DÉPANNAGE, COUPER
TOUTES LES SOURCES D’ALIMENTATION.
41
HIGH
PRESSURE
USE AND MAINTENANCE
FANS
2
The evaporator fans are equipped with 5 watt
fan motors, 1550 RPM’s. The motor has a counter
clockwise rotation when viewed from the shaft end.
The fan blades are 6” in diameter and the blades are
pitched according to the charts below. It is important
that the blade pitch be maintained as specified. Do
not attempt a field modification by altering the blades.
Fan motors may be changed with an easy twostep process without lifting up the plenum, thereby
avoiding the necessity to unload the entire product
display to make a change:
1
1. Unplug the fan motor, easily accessible out
side the plenum
2. Remove three fasteners, then lift out the
entire fan basket
Model
No.
Fans
Blade
Pitch
PMNUM SERIES
4’
6’
8’
12’
3
4
4
6
37
o
37
o
37
o
37
o
CAUTION
MOVING PARTS. DO NOT
OPERATE UNIT WITH
DISPLAY PANS REMOVED.
HIGH
PRESSURE
ATTENTION
PIÈCES MOBILES. N’ACTIONNEZ
PAS L’UNITÉ DES CASSEROLES
D’AFFICHAGE ÉTANT COUPÉES.
HIGH
PRESSURE
WARNING
DISCONNECT POWER SUPPLY
BEFORE SERVICING.
AVERTISSEMENT
HIGH
PRESSURE
42
HIGH
PRESSURE
COUPER L’ALIMENTATION AVANT
L’ENTRETIEN ET LE DÉPANNAGE.
GLASS CLEANING
SOVIS ULTRAVISION® tempered glass specialized AntiReflective coatings on each surface of the glass. These coatings reduce the glare from lighting so that the products on
display are more visible to your customers.
While the Anti-Reflective coatings are durable, they are susceptible to scratching if abrasive materials are used for cleaning. Once the glass surfaces are scratched, it is impossible to
restore the original finish. Special care must be taken to prevent damage when cleaning the glass.
SOVIS recommends the following products for routine cleaning of ULTRAVISION® Anti-Reflective
glass:
Cleaning Cloths - two products are recommended…
• Scotch-Brite® High Performance Cloth - manufactured by 3M® and available in most grocery stores
under the name Scotch-Brite® Microfiber Cleaning Cloth in a 12” x 14” size. This cloth is washable
and may be reused as long as it remains clean.
• Spontex® Microfibre Cleaning Cloth - distributed by Spontex® and available in most grocery stores
under the same name in a 15.75” x 12” size. This cloth is washable and may be reused as long as it
remains clean.
Cleaning Fluid - for more difficult cleaning jobs, these products are recommended…
• Windex® - standard product only (extra-strength or specialty products may not be suitable)
• Glass-Plus® - standard product only (extra-strength or specialty products may not be suitable)
• Warm Water
Note: equivalent store-brand glass cleaning products are normally acceptable substitutes to the brand
name products listed above.
The cleaning cloths named above will normally remove dust, grease, oil, and fingerprints without the
need for cleaning fluids. A light spray of the cleaning fluids listed above will reduce the time required
for cleaning. These materials have been tested and proven to clean ULTRAVISION® glass without
scratching or damaging the Anti-Reflective coatings. If you need assistance with obtaining these
materials, please contact your display case supplier.
Under no circumstances should the following types of materials be used for cleaning glass with
ULTRAVISION® Anti-Reflective coatings.
• Coarse Paper Towels
• Scouring Pads or Powders
• Steel Wool or Steel Fiber Materials
• Blades
• Acidic or highly Alkaline detergents
• Fluorine based detergents
WARNING!
DO NOT USE THESE MATERIALS
43
GLASS CLEANING
RECOMMENDATIONS FOR CLEANING ULTRAVISION GLASS
ULTRAVISION glass is more sensitive to scratches than regular float glass. Therefore, it is important to carefully follow the recommendations listed below regarding the materials and chemicals that
may be used:
Regular Cleaning
· Soft rags with water and soft detergent
· Chamois leather with water and soft detergent
· Soft sponge with water and soft detergent
· Rubber wiper with water and soft detergent
· A neutral chemical can also be used (WINDEX, GLASS PLUS, etc.)
For More Difficult Cleaning
· Acetone
· Trichlorethylene
· Methlyated spirits
· Petroleum ether
· White spirit
Never Use
· Acids
· High alkaline detergents
· Fluorine based detergents
· Scouring powders
· Scouring pads
· Blades
· Steel wool
· Steel fiber materials
Note that the intrinsic structure of anti-glare coatings makes the surface roughness of ULTRAVISION
glass rather high. However, after a few cleanings, the surface of the glass is smoother, and is therefore easier to clean.
44
PARTS ORDERING
Procedure
1. Contact the Service Parts Department
Hill PHOENIX
Tel: 800-283-1109
Fax: 804-526-3897
2. Provide the following information about the part you are ordering:
• Model number and serial number of the case on which
the part is used.
• Length of part, if applicable, I.E. 4’, 6’, 8’ & 12’.
• Color of part if painted, or color of polymer part.
• Whether part is for left hand or right hand application.
• Whether shelves are with or without lights.
• Quantity
*Serial plate is located on top flue panel on the right hand side of
the case (See illustrations on pages 3-6).
3. If parts are to be returned for credit, ask the Parts Department to
furnish you with a Return Materials Authorization Number.
45
APPENDIX A
DIXELL INSTALLING AND
OPERATING INSTRUCTIONS
46
dIXEL
1592018110
Installing and Operating Instructions
In case of fault in the thermostat probe the start and stop of the compressor are timed through
parameters “COn1(2)” and “COF1(2)”.
XR460C
4. DEFROST
DUAL TEMPERATURE CONTROLLER
4.1
Contents
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
GENERAL WARNING __________________________________________________________
GENERAL DESCRIPTION_______________________________________________________
TEMPERATURE CONTROL _____________________________________________________
DEFROST ___________________________________________________________________
CONTROL OF EVAPORATOR FANS (ONLY FOR SECTION 1)_________________________
THE DISPLAY ________________________________________________________________
PARAMETER LIST_____________________________________________________________
DIGITAL INPUT _______________________________________________________________
INSTALLATION AND MOUNTING_________________________________________________
ELECTRICAL CONNECTIONS ___________________________________________________
SERIAL LINE _________________________________________________________________
USE OF THE PROGRAMMING “HOT KEY “ ________________________________________
ALARM SIGNALS______________________________________________________________
TECHNICAL DATA_____________________________________________________________
WIRING CONNECTIONS _______________________________________________________
DEFAULT SETTING VALUES ____________________________________________________
1. GENERAL WARNING
1.1
PLEASE READ BEFORE USING THIS MANUAL
This manual is part of the product and should be kept near the instrument for easy and quick
reference.
The instrument shall not be used for purposes different from those described hereunder. It cannot be
used as a safety device.
Check the application limits before proceeding.
1.2
SAFETY PRECAUTIONS
Check the supply voltage is correct before connecting the instrument.
Do not expose to water or moisture: use the controller only within the operating limits avoiding
sudden temperature changes with high atmospheric humidity to prevent formation of
condensation
Warning: disconnect all electrical connections before any kind of maintenance.
Fit the probe where it is not accessible by the End User. The instrument must not be opened.
In case of failure or faulty operation send the instrument back to the distributor or to “Dixell S.p.A.”
(see address) with a detailed description of the fault.
Consider the maximum current which can be applied to each relay (see Technical Data).
Ensure that the wires for probes, loads and the power supply are separated and far enough from
each other, without crossing or intertwining.
In case of applications in industrial environments, the use of mains filters (our mod. FT1) in parallel
with inductive loads could be useful.
2. GENERAL DESCRIPTION
Model XR460C, 32x74 mm format, is a microprocessor based controller, able to control 2
temperatures in an independent way.
The first section is suitable for applications on medium or low temperature refrigerating units. It is
provided with 3 relay outputs to control compressor, defrost - which can be either electrical or hot
gas - and the evaporator fans. It is also provided with 2 NTC or PTC probe inputs, one for
temperature control the other one to control the defrost end temperature of the evaporator.
The second section is suitable for applications on medium or normal temperature refrigerating
units, with timed defrost. It’s provided with 1 relay output to control compressor. It is also provided
with 1 NTC/PTC probe inputs, for temperature control.
There are two digital inputs (free contact) completely configurable by parameter.
The standard TTL output allows the user to connect, by means of a TTL/RS485 external module, a
ModBUS-RTU compatible monitoring system and to programme the parameter list with the “Hot
Key”.
3. TEMPERATURE CONTROL
3.1
4.2
SECTION 2
For the section 2 the defrost interval is control by means of parameter “EdF2”: with EdF=in the
defrost is made every “IdF2” time, with EdF2=Sd the interval “IdF2” is calculate through Smart
Defrost algorithm (only when the compressor 2 is ON).
Defrost is performed through a simple stop of the compressor2. Parameter “IdF2” controls the
interval between defrost cycles, while its length is controlled by parameter “MdF2”.
4.3
RELATION BETWEEN DEFROSTS
Different kinds of defrosts are available for each section.
The relation between defrosts is set by the dFS parameter: relation between defrosts.
4 relation between the 2 sections of the controller are available, to manage different kinds of
applications:
in = independent defrosts;
StS = same defrost start, synchronised defrost end;
St = same defrost start, independent defrost end;
SE = sequential defrost;
4.3.1
dFS= in - independent defrosts
The defrosts of the 2 sections of controller are completely independent.
First section: defrost interval is set by idF1 parameter.
Second section: defrost interval is set by idF2 parameter.
The defrost interval is control by means of parameter “EdF1(2)”:
in the defrost is made every “IdF” time
Sd the interval “IdF” is calculate through Smart Defrost algorithm (only when the compressor is ON)
Manual defrost activation, by pushing the DOWN key (defrost 1) or UP key (defrost 2).
By pushing the Down key or Up key for 3s, a defrost request is generated for section 1 or 2
respectively. The defrost interval is re-loaded.
4.3.2 dFS = StS – Same defrost start, end defrost synchronised or dFS = St
- Same defrost start, end defrost independent.
The defrost of the 2 sections of controller starts at the same time. idF1 parameter sets the defrost
interval for both the sections. The defrosts are performed at regular interval if EdF1 = in or according
to the Smartdefrost algorithm if EdF1 = Sd.
With dFS = StS regulation restarts only when defrost is finished for both the sections. The section
that finishes the defrost before the other starts dripping time until also the other section has not
finished its defrost.
By pushing the Down key or Up key for 3s, a defrost request is generated for both the sections 1 and
2. The defrost interval is re-loaded.
With dFS = St each section restarts regulation as soon as its defrost is finished.
4.3.3 dFS = SE – sequential defrost
The defrost of 2 sections is synchronised. idF1 parameter sets the defrost interval for both the
sections. Defrosts are performed at regular interval if EdF1 = in or according to the Smartdefrost
algorithm if EdF1 = Sd. Section 1 does its defrost first, at the end of the defrost of section 1, section
2 starts its defrost..
By pushing the Down key or Up key for 3s, a defrost request is generated for both the sections 1 and
2. The defrost interval is re-loaded.
5. CONTROL OF EVAPORATOR FANS (ONLY FOR SECTION 1)
THE COMPRESSOR 1 (2)
1592018110 XR460C GB r2.0 06.10.2006.doc
1
1
1
1
1
1
2
4
4
4
4
4
5
5
5
5
SECTION 1
For the section 1 two defrost modes are available through the “tdF1” parameter:
tdF1= rE defrost with electrical heater
tdF1= in or hot gas.
The defrost interval is control by means of parameter “EdF”:
rtc (only for instruments with RTC): beginning of defrost cycles is set by the L1d1÷L1d6
parameters during the working days and S1d1÷S1d6 during the holidays
in the defrost is made every “IdF” time
Sd the interval “IdF” is calculate through Smart Defrost algorithm (only when the compressor is ON)
At the end of defrost the drip time is controlled through the “Fdt” parameter.
For each section, the regulation is
performed according to the
temperature measured by its own
thermostat probe with a positive
differential from the set point.
If the temperature increases and
reaches set point1 (2) plus
differential1 (2) the compressor is
started and then turned off when the
temperature reaches the set point
value again.
XR460C
Section 1 has 1 relay to control evaporator fan.
The fan control mode is selected by means of the “FnC1” parameter:
FnC1=C-n
fans will switch ON and OFF with the compressor and not run during defrost:;
FnC1= O-n
fans will run continuously, but not during defrost
After defrost, there is a timed fan delay allowing for drip time, set by means of the “Fnd1” parameter.
FnC1=C-y
fans will switch ON and OFF with the compressor and run during defrost;
FnC1=O-y
fans will run continuously also during defrost
An additional parameter “FSt1” provides the setting of temperature, detected by the evaporator
probe, above which the fans are always OFF. This can be used to make sure circulation of air only if
his temperature is lower than set in “FSt1”.
1/6
dIXEL
1592018110
Select “Pr2” – “PAS” parameter and press the “SET1” key.
The flashing value “0 - - ” is displayed. use o or n to input the security code and confirm the figure by
pressing “SET” key.
6. THE DISPLAY
X----C
XR400
The security code is “321”.
If the security code is correct the access to “Pr2” is enabled by pressing “SET1” on the last digit.
Temperature2
Temperatature1
6.8
THE KEYBOARD
SET1
To display and modify target set point1; in programming mode it selects a parameter or
confirm an operation.
To switch on/off the instrument: by holding it pressed for 5s the instrument is switched in
stand by mode.
SET2
6.7
HOW TO MOVE A PARAMETER FROM THE “PR2” MENU TO “PR1” AND VICE VERSA.
Each parameter present in “Pr2” MENU can be removed or put into “Pr1”, user level, by pressing
“SET1 + n”.
In “Pr2” when a parameter is present in “Pr1” the decimal point LE of the bottom display is on.
The display is divided in 2 parts:
Upper left part: to see the temperature2 (upper display)
Lower left part: to see the temperature1(lower display)
6.1
Another possibility is the following:
After switching ON the instrument, within 30 seconds, push SET1 + n keys together for 3s: the Pr2
menu will be entered.
To display and modify target set point2.
o/
(UP/DEFROST 2) in programming mode it browses the parameter codes or increases
the displayed value. By holding it pressed for 3s the defrost for section 2 is started.
HOW TO CHANGE A PARAMETER
To change a parameter value operates as follows:
Enter the Programming mode
Select the required parameter.
Press the “SET1” key and the value starts blinking.
Use “UP” or “DOWN” to change its value.
Press “SET1” to store the new value and move to the following parameter.
TO EXIT: Press SET1 + o or wait 15s without pressing a key.
NOTE: the set value is stored even when the procedure is exited by waiting the time-out to expire.
6.9
HOW TO LOCK THE KEYBOARD
n/
(DOWN/DEFROST 1) in programming mode it browses the parameter codes or
decreases the displayed value. By holding it pressed for 3s the defrost for section 1 is started
o+ n
SET + n
SET + o
6.2
To enter the programming mode.
To exit the programming mode.
6.10
MEANING OF THE ICONS
6.2.1
con
I
FUNCTION
ON
ON
ON
6.3
Keep pressed for more than 3 s the o and n keys.
The “POF” message will be displayed and the keyboard will be locked. At this point it will be possible
only to see the set points.
If a key is pressed more than 3s the “POF” message will be displayed.
To lock and unlock the keyboard.
6.2.2
6.11
Meaning
Celsius degree
Fahrenheit degree
Compressor 1 on
FLASHING
Anti-short cycle delay enabled for compressor 1
ON
Compressor 2 on
FLASHING
Anti-short cycle delay enabled for compressor 2
ON
Defrost 1 in progress
FLASHING
Drip time in progress for section 1
ON
Defrost 2 in progress
ON
Fan enabled
NOTE1: When the instrument is under Stand-by, all the relays are under power supply. Don’t
connect any loads to the normal closed contact of the relays.
NOTA2: With the instrument in stand-by, it’s possible to see and modify the set points and enter the
programming mode.
7. CLOCK FUNCTIONS
FLASHING
Drip time in progress
7.1
ON
ALARM signal
Enter parameter list “Pr1” (press SET + n for some seconds)
The controller displays the parameter rtC
Press SET key, the controller displays the following labels
Hur (hour) and the current hour
Min (Minute) and the current minutes
dAY (day) and the current day. Mon (Monday), Tue (Tuesday), Ued (Wednesday), thu (Thursday),
Fri (Friday), Sat (Saturday), Sun (Sunday)
Press n key or wait for 5 seconds to go back to normal temperature display.
HOW TO SEE AND MODIFY THE SET-POINT
7.2
HOW TO START A MANUAL DEFROST FOR THE SECTION 1 OR SECTION 2
To start a defrost for the section 1: push the DOWN key(
To start a defrost for the section 2: push the UP key(
6.5
TO DISPLAY CURRENT HOUR AND DATE
TO PROGRAM HOUR, DATE AND HOLYDAY
Enter parameter list “Pr1” (press SET + n for some seconds)
The controller displays the parameter rtC
Press SET key, the controller displays hour and date.
By pressing SET it will be possible to program the current hour, date and the 3 week end days
Press n key or wait for 5 seconds to go back to normal temperature display.
) for 3s.
) for 3s.
HOW TO ENTER THE “PR1” PARAMETER LIST
To change the parameter’s value operate as follows:
Enter the Programming mode by pressing the Set1 and DOWN key for 3s
The controller will show the first parameter present in the Pr1 menu:
Bottom menu: label
Upper menu: value
To exit: Press SET + UP or wait 15s without pressing a key.
6.6
ON/OFF FUNCTION – HOW TO SWITCH ON AND OFF THE CONTROLLER
If the function is enabled (par. onF=yES), by pressing the SET1 key for more than 5s the controller
is switched OFF. The stand-by function switches OFF all the relays and stops the regulation. During
the stand by if a monitored unit is connected, it does not record the instrument data and alarms
To switch the instrument on again press the SET1 key for 5s.
Push and release the SET1 or SET2 key:
the bottom display shows the label St1 or St2
the upper display shows the Set point value flashing
To change the Set value push the o or n within 15s.
To memorise the new set point value push the SET1 or SET2 key again or wait 15s.
6.4
TO UNLOCK THE KEYBOARD
Keep pressed together for more than 3s the o and n keys, till the “Pon” message will be displayed.
8. PARAMETER LIST
DIFFERENTIALS
rtc To enter the RTC menu
Hy1 Differential1: (0,1÷25,5°C; 1÷45°F): Intervention differential for set point1, always positive.
Compressor1 Cut IN is Set Point Plus Differential1 (Hy1). Compressor1 Cut OUT is when the
temperature reaches the set point1.
Hy2 Differential2: (0,1÷25,5°C; 1÷45°F): Intervention differential for set point2, always positive.
Compressor2 Cut IN is Set Point2 Plus Differential2 (Hy2). Compressor2 Cut OUT is when the
temperature reaches the set point2.
REGULATION – SECTION 1
HOW TO ENTER IN PARAMETERS LIST “PR2”
To access parameters in “Pr2”:
Enter the “Pr1” level.
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dIXEL
LS1 Minimum set point1 limit: (-50,0°C÷SET1; -58°F÷SET1) Sets the minimum acceptable value
for the set point1.
US1 Maximum set point1 limit: (SET1÷110°C; SET1÷230°F) Set the maximum acceptable value
for set point1.
OdS1
Outputs activation delay of section 1 at start up: (0÷255 min) This function is enabled
at the initial start up of the instrument and inhibits any output activation of the section 1 for the
period of time set in the parameter. (Light can work)
AC1 Anti-short cycle delay for compressor1: (0÷30 min) interval between the compressor1 stop
and the following restart.
Con1 Compressor1 ON time with faulty probe1: (0÷255 min) time during which the compressor1
is active in case of faulty thermostat probe. With COn=0 compressor1 is always OFF.
COF1 Compressor1 OFF time with faulty probe1: (0÷255 min) time during which the compressor
is off in case of faulty thermostat probe. With COF=0 compressor is always active.
CH1 Kind of action for section 1: CL = cooling; Ht = heating
LS2 Minimum set point2 limit: (-50,0°C÷SET2; -58°F÷SET2) Sets the minimum acceptable value
for the set point2.
US2 Maximum set point2 limit: (SET2÷110°C; SET2÷230°F) Set the maximum acceptable value
for set point2.
OdS2 Outputs activation delay of section 2 at start up: (0÷255 min) This function is enabled at
the initial start up of the instrument and inhibits any output activation of the section 1 for the
period of time set in the parameter.
AC2 Anti-short cycle delay for compressor2: (0÷30 min) interval between the compressor2 stop
and the following restart.
Con2 Compressor2 ON time with faulty probe2: (0÷255 min) time during which the compressor2
is active in case of faulty thermostat probe. With COn=0 compressor2 is always OFF.
COF2 Compressor2 OFF time with faulty probe2: (0÷255 min) time during which the compressor
is off in case of faulty thermostat probe. With COF=0 compressor2 is always active.
CH2 Kind of action for section 2: CL = cooling; Ht = heating
DISPLAY
CF Temperature measurement unit: °C = Celsius; °F = Fahrenheit. When the measurement unit
is changed the SET point and the values of some parameters have to be modified.
rES Resolution (for °C): (in = 1°C; de = 0,1°C) allows decimal point display. dE = 0,1°C; in = 1 °C
Lod1 Bottom display visualization: select which probe is displayed by the instrument in the bottom
display: P1 = Thermostat1 probe; P2 = Evaporator probe; P2 = Thermostat2 probe
Lod2 Upper display visualization: select which probe is displayed by the instrument in the upper
display: P1 = Thermostat1 probe; P2 = Evaporator probe; P2 = Thermostat2 probe
DEFROST
dFS relation between defrosts.4 relation between the 2 sections of the controller are available, to
manage different kinds of applications:
in = independent defrosts;
StS = same defrost start, synchronised defrost end;
St = same defrost start, independent defrost end;
SE = sequential defrost;
tdF1 Defrost type, section 1: rE = electrical heater (Compressor OFF);
in = hot gas (Compressor and defrost relays ON)
EdF1Defrost mode, section 1:
rtc = The defrost is done according to the rtc parameters
in = interval mode. The defrost starts when the time “IdF1” is expired.
Sd = Smartdefrost mode. The time IdF (interval between defrosts) is increased only when the
compressor is running (even non consecutively).
SdF1 Set point for SMARTDEFROST, section 1: (-30÷30 °C/ -22÷86 °F) evaporator temperature
which allows the IdF counting (interval between defrosts) in SMARTDEFROST mode.
dtE1 Defrost termination temperature, section 1: (-50,0÷110,0°C; -58÷230°F) (Enabled only
when the evaporator probe is present) sets the temperature measured by the evaporator probe
which causes the end of defrost.
IdF1 Interval between defrosts, section 1: (1÷120h) Determines the time interval between the
beginning of two defrost cycles.
MdF1 (Maximum) duration of defrost, section 1: (0÷255 min) When P2P = no, no evaporator
probe, it sets the defrost duration, when P2P = yES, defrost end based on temperature, it sets
the maximum length for defrost.
tPF1 Pre-defrost time: (0÷30min) The compressor is activated for this time before a hot gas
defrost.
Fdt1 Drain down time, section 1: (0÷60 min.) time interval between reaching defrost termination
temperature and the restoring of the control’s normal operation. This time allows the evaporator
to eliminate water drops that might have formed due to defrost.
dPo1 First defrost after start-up, section 1: y = Immediately; n = after the IdF time
EdF2Defrost mode, section 2:
rtc = The defrost is done according to the rtc parameters
in = interval mode. The defrost starts when the time “IdF2” is expired.
Sd = Smartdefrost mode. The time IdF (interval between defrosts) is increased only when the
compressor is running (even non consecutively).
IdF2 Interval between defrosts, section 2: (1÷120h) Determines the time interval between the
beginning of two defrost cycles.
MdF2 (Maximum) duration of defrost, section 2: (0÷255 min) it sets the defrost duration.
dFd Display during defrost: rt = real temperature; it = temperature reading at the defrost start;
Set = set point; dEF = “dEF” label;
dEG = “dEG” label;
dAd Defrost display time out: (0÷255 min) Sets the maximum time between the end of defrost
and the restarting of the real room temperature display.
dSd Start defrost delay : ( 0÷99min) This is useful when different defrost start times are necessary
to avoid overloading the plant.
FANS
FnC1 Fan operating mode, section 1:
C-n = running with the compressor1, OFF during the defrost;
C-y = running with the compressor1, ON during the defrost;
O-n = continuous mode, OFF during the defrost;
O-y = continuous mode, ON during the defrost;
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1592018110
Fnd1 Fan delay after defrost, section 1: (0÷255 min) The time interval between the defrost end
and evaporator fans start.
FSt1 Fan stop temperature, section 1: (-50÷110°C; -58÷230°F) setting of temperature, detected
by evaporator probe, above which the fan is always OFF.
FAP1 Probe selection for fans management, section 1: nP = no probe: fan follows the setting of
FnC1 parameter; P1 = thermostat 1 probe; P2 = thermostat 2 probe; P3 = evaporator probe;
ALARMS
ALc1 Temperature alarms configuration, section 1: it determines if alarms are relative to set
point 1 or referred to absolute values: rE relative to set point; Ab absolute temperature
ALL1 Minimum alarm, section 1:
with ALc1=rE: relative to set point1, (0÷50°C) this value is subtracted from the set point1.
The alarm signal is enabled when the probe values goes below the “SET1-ALL” value.
with ALc1=Ab absolute value, minimum alarm is enabled when the probe values goes below
the “ALL1” value.
ALU1 Maximum alarm, section 1:
with ALc1=rE: alarm relative to set point1, (0÷50°C) Maximum alarm is enabled when the
probe values exceeds the “SET1+ALU” value.
with ALc1=Ab: absolute alarm, (Set1÷Full Sc.) Maximum alarm is enabled when the probe
values exceeds the “ALU” value.
ALd1 Temperature alarm delay, section 1: (0÷255 min) time interval between the detection of an
alarm condition and the corresponding alarm signalling.
dAo1 Delay of temperature alarm at start-up, section 1: (0min÷23h 50min) time interval between
the detection of the temperature alarm condition in section after the instrument power on and the
alarm signalling.
ALc2 Temperature alarms configuration, section 2: it determines if alarms are relative to set
point 2 or referred to absolute values: rE relative to set point; Ab absolute temperature
ALL2 Minimum alarm, section 2:
with ALc2=rE: relative to set point1, (0÷50°C) this value is subtracted from the set point2.
The alarm signal is enabled when the probe values goes below the “SET2-ALL” value.
with ALc2=Ab absolute value, minimum alarm is enabled when the probe values goes below
the “ALL2” value.
ALU2 Maximum alarm, section 2:
with ALc2=rE: alarm relative to set point1, (0÷50°C) Maximum alarm is enabled when the
probe values exceeds the “SET2+ALU” value.
with ALc2=Ab: absolute alarm, (Set2÷Full Sc.) Maximum alarm is enabled when the probe
values exceeds the “ALU” value.
ALd2 Temperature alarm delay, section 2: (0÷255 min) time interval between the detection of an
alarm condition and the corresponding alarm signalling.
dAo2 Delay of temperature alarm at start-up, section 2: (0min÷23h 50min) time interval between
the detection of the temperature alarm condition in section after the instrument power on and the
alarm signalling.
AFH Temperature alarm and fan differential: (0,1÷25,5°C; 1÷45°F) Intervention differential for
temperature alarm set point and fan regulation set point, always positive.
EdA Alarm delay at the end of defrost: (0÷255 min) Time interval between the detection of the
temperature alarm condition at the end of defrost and the alarm signalling.
dot Delay of temperature alarm after closing the door : (0÷255 min) Time delay to signal the
temperature alarm condition after closing the door.
doA Open door alarm delay:(0÷255 min) delay between the detection of the open door condition
and its alarm signalling: the flashing message “dA” is displayed.
PROBE INPUTS
Pbc Kind of probe: Ptc = PTC; ntc = NTC
oFS1Thermostat1 probe calibration: (-12.0÷12.0°C/ -21÷21°F) allows to adjust possible offset of
the thermostat1 probe.
oFS2Thermostat2 probe calibration: (-12.0÷12.0°C/ -21÷21°F) allows to adjust possible offset of
the thermostat2 probe.
oFS3Evaporator probe calibration: (-12.0÷12.0°C/ -21÷21°F) allows to adjust possible offsets of
the evaporator probe.
P2P Thermostat2 probe presence : no= not present; yES= present.
P3P Evaporator probe presence: : no= not present: the defrost stops only by time; yES= present:
the defrost stops by temperature and time.
DIGITAL INPUTS
i1P Digital input 1 polarity (14-15):
CL : the digital input is activated by closing the contact;
OP : the digital input is activated by opening the contact.
i1F Digital input 1 operating mode(14-15): configure the digital input function:
MP1 = door switch 1; MP2 = door switch 2, MP: door switch (it’s used by both the sections);
EA1 = generic alarm section 1; EA2 = generic alarm section 2; EAL = generic alarm (it’s used by
both the sections); bA1 = serious alarm mode section 1; bA2 = serious alarm mode section 2; , bAL
= serious alarm mode section (it’s used by both the sections); dF1 = Start defrost, section 1; dF2 =
Start defrost, section 2; dEF = Start defrost (it’s used by both the sections); oF1 = remote on/ off,
section1; oF2 = remote on/ off, section 2; oFF = = remote on/ off (it’s used by both the sections); ES
= Energy Saving
i2P Digital input 2 polarity(13-14):
CL : the digital input is activated by closing the contact;
OP : the digital input is activated by opening the contact.
i2F Digital input 2 operating mode(13-14): configure the digital input function:
MP1 = door switch 1; MP2 = door switch 2, MP: door switch (it’s used by both the sections);
EA1 = generic alarm section 1; EA2 = generic alarm section 2; EAL = generic alarm (it’s used by
both the sections); bA1 = serious alarm mode section 1; bA2 = serious alarm mode section 2; , bAL
= serious alarm mode section (it’s used by both the sections); dF1 = Start defrost, section 1; dF2 =
Start defrost, section 2; dEF = Start defrost (it’s used by both the sections); oF1 = remote on/ off,
section1; oF2 = remote on/ off, section 2; oFF = = remote on/ off (it’s used by both the sections); ES
= Energy Saving
odc1 Compressor and fan status when open door, section 1:
no = normal; Fan = Fan OFF; CPr = Compressor OFF;
F_C = Compressor and fan OFF.
rrd1 Outputs restart after door open alarm, section 1: n = status of outputs according to odc1; Y=
outputs restart working.
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dIXEL
1592018110
did1 Time interval delay for digital input alarm, section 1:(0÷255 min.) With i1F or i2F = EAL1 or
bAL1 (external alarms), “did” parameter defines the time delay between the detection and the
successive signalling of the alarm.
odc2 Compressor status when open door, section 2: no ,Fan = normal;
CPr, F_C = Compressor OFF.
rrd2 Outputs restart after door open alarm, section 2: n = status of outputs according to odc2;
Y= outputs restart working.
did2 Time interval delay for digital input alarm, section 2:(0÷255 min.) With i1F or i2F = EAL1 or
bAL1 (external alarms), “did” parameter defines the time delay between the detection and the
successive signalling of the alarm.
ENERGY SAVING SETTING
HES1 Temperature increase during the Energy Saving cycle, section 1: (-30÷30°C /
-54÷54°F) sets the increasing value of the set point1 during the Energy Saving cycle.
HES2 Temperature increase during the Energy Saving cycle, section 2: (-30÷30°C /
-54÷54°F) sets the increasing value of the set point2 during the Energy Saving cycle.
to set current time and weekly holidays
Hur Current hour (0 ÷ 23 h)
Min Current minute (0 ÷ 59min)
dAY Current day (Sun ÷ SAt)
Hd1 First weekly holiday (Sun ÷ nu) Set the first day of the week which follows the holiday times.
Hd2 Second weekly holiday (Sun ÷ nu) Set the second day of the week which follows the holiday
times.
Hd3 Third weekly holiday (Sun ÷ nu) Set the third day of the week which follows the holiday times.
N.B. Hd1,Hd2,Hd3 can be set also as “nu” value (Not Used).
TO SET ENERGY SAVING TIMES
ILE Energy Saving cycle start during workdays: (0 ÷ 23h 50 min.) During the Energy Saving
cycle the set point is increased by the value in HES so that the operation set point is SET + HES.
dLE Energy Saving cycle length during workdays: (0 ÷ 24h 00 min.) Sets the duration of the
Energy Saving cycle on workdays.
ISE Energy Saving cycle start on holidays. (0 ÷ 23h 50 min.)
dSE Energy Saving cycle length on holidays (0 ÷ 24h 00 min.)
TO SET DEFROST TIMES – SECTION 1
L1d1÷L1d6 Workday defrost start – section 1 (0 ÷ 23h 50 min.) These parameters set the
beginning of the eight programmable defrost cycles during workdays. Ex. When Ld2 = 12.4 the
second defrost starts at 12.40 during workdays.
S1d1÷S1d6 Holiday defrost start – section 1 (0 ÷ 23h 50 min.) These parameters set the
beginning of the eight programmable defrost cycles on holidays. Ex. When Sd2 = 3.4 the second
defrost starts at 3.40 on holidays. .
N.B. :
To disable a defrost cycle set it to “nu”(not used).
Ex. If Ld6=nu ; the sixth defrost cycle is disabled
TO SET DEFROST TIMES – SECTION 2
L2d1÷L2d6 Workday defrost start – section 2 (0 ÷ 23h 50 min.) These parameters set the
beginning of the eight programmable defrost cycles during workdays. Ex. When Ld2 = 12.4 the
second defrost starts at 12.40 during workdays.
S2d1÷S2d6 Holiday defrost start – section 2 (0 ÷ 23h 50 min.) These parameters set the
beginning of the eight programmable defrost cycles on holidays. Ex. When Sd2 = 3.4 the second
defrost starts at 3.40 on holidays. .
N.B. :
To disable a defrost cycle set it to “nu”(not used).
Ex. If Ld6=nu ; the sixth defrost cycle is disabled
OTHER
Adr1
RS485 serial address, section 1 (1÷247): Identifies section 1 address when connected
to a ModBUS compatible monitoring system.
Adr2
RS485 serial address, section 2 (1÷247): Identifies section 2 address when connected
to a ModBUS compatible monitoring system.
If Adr1 = Adr2
dP1 First probe display
dP2 Second probe display
dP3 Third probe display
OnF Stand-by function: n = Stand-by function not enabled; y = Stand-by function enabled (under
SET key control).
rEL Release software: (read only) Software version of the microprocessor.
Ptb Parameter table: (read only) it shows the original code of the dIXEL parameter map.
Pr2 Access to the protected parameter list (read only).
EAL: generic alarm – it counts for both the sections.
As soon as the digital input is activated the unit will wait for “did1” time for section 1 and “did2” time
for section 2 delay before signalling the “EAL” alarm message. The outputs status don’t change. The
alarm stops just after the digital input is de-activated.
9.3
CONFIGURABLE INPUT - SERIOUS ALARM MODE (BA1, BA2, BAL)
It signals to the controller:
bA1: serious alarm – section 1;
bA2: serious alarm – section 2;
bAL: serious alarm – it counts for both the sections.
As soon as the digital input is activated the unit will wait for “did1” time for section 1 and “did2” time
for section 2 delay before signalling the “bAL” alarm message. The relay outputs are switched OFF.
The alarm will stop as soon as the digital input is de-activated.
9.4
CONFIGURABLE INPUT - START DEFROST (DF1, DF2, DEF)
It executes a defrost if there are the right conditions, respectively for:
dF1: section 1;
dF2: section 2;
dEF: both the sections.
After the defrost is finished, the normal regulation will restart only if the digital input is disabled
otherwise the instrument will wait until the “Mdf1” and “MdF2” safety time is expired.
9.5
CONFIGURABLE INPUT - REMOTE ON/OFF (OF1, OF2, ONF)
This function allows to switch ON and OFF a sections of the instrument or the whole instrument
according to the following setting: .
oF1: section 1;
oF2: section 2;
onF: it counts for both the sections.
When the digital input is de-activated, the corresponding section restarts working.
9.6
CONFIGURABLE INPUT - ENERGY SAVING (ES)
The Energy Saving function allows to change the set point value as the result of the SET1+HES1 for
section and SET2 + HES2 fro section 2. This function is enabled until the digital input is activated.
9.7
DIGITAL INPUTS POLARITY
The digital inputs polarity depends on “I1P” and “I2P” parameters.
CL : the digital input is activated by closing the contact.
OP : the digital input is activated by opening the contact
10. INSTALLATION AND MOUNTING
Instruments shall be mounted on panel, in a 29x71 mm hole,
and fixed using the special brackets supplied.
To obtain an IP65 protection grade use the front panel
rubber gasket (mod. RG-C) as shown in figure.
The temperature range allowed
for correct operation is 0÷60 °C.
Avoid places subject to strong
vibrations, corrosive gases,
excessive dirt or humidity. The
same recommendations apply to
probes. Let air circulate by the
cooling holes.
9. DIGITAL INPUT
The instrument can support up to 2 free contact digital inputs. Both of them can be configured as
One is always configured as door switch, the second is programmable in seven different
configurations by the “I2F” parameter.
9.1
DOOR SWITCH INPUT (MP1, MP2, MP)
It signals the door status to the controller:
MP1: door open for section 1;
MP2: door open for section 2;
MP door open for both the sections.
When the door is open the status of compressor (and fans) depends on the “odc1” and
“odc2”parameters:
no = normal (no changes);
Fan = Fan OFF (if fan is present);
CPr = Compressor OFF;
F_C = Compressor and fan OFF.
Since the door is opened, after the delay time set through parameter “doA”, the alarm output is
enabled and the display shows the message “dA”. The alarm stops as soon as the external digital
input is disabled again. During this time and then for the delay “dot” after closing the door, the high
and low temperature alarms are disabled.
9.2
CONFIGURABLE INPUT - GENERIC ALARM (EA1, EA2, EAL)
The instrument are provided with screw terminal block to connect cables with a cross section up to
2,5 mm2. Heat-resistant cables have to be used. Before connecting cables make sure the power
supply complies with the instrument’s requirements. Separate the probe cables from the power
supply cables, from the outputs and the power connections. Do not exceed the maximum current
allowed on each relay, in case of heavier loads use a suitable external relay.
11.1
PROBE CONNECTION
The probes shall be mounted with the bulb upwards to prevent damages due to casual liquid
infiltration. It is recommended to place probe away from air streams to correctly measure the
average room temperature.
12. SERIAL LINE
The serial output allows the unit to connect to a network line ModBUS-RTU compatible as the
dIXEL monitoring system such as XJ500 or X-XWEB.
13. USE OF THE PROGRAMMING “HOT KEY “
It signals to the controller:
EA1: generic alarm – section 1;
EA2: generic alarm – section 2;
1592018110 XR460C GB r2.0 06.10.2006.doc
11. ELECTRICAL CONNECTIONS
The unit can UPLOAD or DOWNLOAD the parameter list from its own E2 internal memory to the
“Hot Key” and vice-versa.
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13.2
Thermostat2 probe failure
“P3”
“HA”
“LA”
“EE”
“dA”
“EAL”
“bAL”
“POF”
“POn”
“rtc”
Evaporator probe failure
High temperature alarm
Low temperature alarm
Some memory problems
Door switch alarm
External alarm
Serious external alarm
Keyboard locked
Keyboard unlocked
Real time clock alarm
“rtF”
Real time clock failure
Outputs
Alarm output ON; Compressor1 output according to
parameters “COn1” and “COF1”
Alarm output ON; Compressor2 output according to
parameters “COn2” and “COF2”
Alarm output ON; Other outputs unchanged
Outputs unchanged
Outputs unchanged
Alarm output ON; Other outputs OFF
Outputs unchanged
Outputs unchanged
Regulation outputs deactivated
Outputs unchanged
Outputs unchanged
Alarm output ON; Other outputs unchanged; Defrosts
according to par. “IdF1” and “IdF2”
Alarm output ON; Other outputs unchanged; Defrosts
according to par. “IdF1” and “IdF2”
The alarm message is displayed until the alarm condition is recovery.
All the alarm messages are showed alternating with the room temperature except for the “P1” which
is flashing. To reset the “EE” alarm and restart the normal functioning press any key, the “rSt”
message is displayed for about 3s.
14.1
ALARM RECOVERY
Probe alarms : “P1” (probe1 faulty), “P2” and “P3”; they automatically stop 10s after the probe
restarts normal operation. Check connections before replacing the probe. Door switch alarm “dA”
stop as soon as the door is closed. External alarms “EAL”, “bAL” stop as soon as the external
digital input is disabled.
“rtc” alarm disappears when the time is set.
“rtF” alarm signals that the internal RTC is faulty. The instrument has to be replace.
The alarm message is displayed until the alarm condition is recovery.
All the alarm messages are showed alternating with the room temperature except for the “P1” which
is flashing.
15. TECHNICAL DATA
Housing: self extinguishing ABS.
Case: frontal 32x74 mm; depth 60mm;
Mounting: panel mounting in a 71x29mm panel cut-out
Protection: IP20.
Frontal protection: IP65 with frontal gasket RG-C (optional).
Connections: Screw terminal block ≤ 2,5 mm2 heat-resistant wiring.
Power supply: 12Vac/dc (opt.24Vac/dc), ±10%
Power absorption: 5VA max.
Inputs: 3 NTC or PTC probes
Relay outputs
compressor1: SPST relay 8(3) A, 250Vac or
compressor 2: relay SPDT 8(3) A, 250Vac
defrost: relay SPDT 8(3) A, 250Vac
fans: relay SPST 8(3) A, 250Vac
Other output: Alarm buzzer
Kind of action: 1B.; Pollution grade: normal; Software class: A.
Data storing: on the non-volatile memory (EEPROM).
Operating temperature: 0÷60 °C.
Storage temperature: -25÷60 °C.
Relative humidity: 20÷85% (no condensing)
1592018110 XR460C GB r2.0 06.10.2006.doc
Label
Set1
Set2
Hy1
Hy2
LS1
US1
odS1
Ac1
con1
coF1
cH1
LS2
US2
odS2
Ac2
con2
coF2
cH2
dFS
tdF1
EdF1
SdF1
dtE1
idF1
MdF1
tPF1
Fdt1
dPo1
EdF2
idF2
MdF2
dFd
dAd
dSd
FnC1
Fnd1
FSt1
FAP1
ALc1
ALu1
ALL1
ALd1
dAo1
ALc2
ALu2
ALL2
ALd2
dAo2
AFH
EdA
dot
XR460C
Def
3
N.C.
4
Room1
Def.
5
8(3)A
7
8
9
Line N.C.
Fan Comp1 C omp2
17. DEFAULT SETTING VALUES
“EE” ALARM
The dIXEL instruments are provided with an internal check for the data integrity. Alarm “EE” flashes
when a failure in the memory data occurs. In such cases the alarm output is enabled.
14.3
Line
cF
rES
Lod1
Lod2
SILENCING BUZZER
Once the alarm signal is detected the buzzer can be silenced by pressing any key.
14.2
1 2
8(3)A
14. ALARM SIGNALS
8(3)A250 V~
Max
16A
8(3)A
When the unit is ON, insert the “Hot key” and push è key; the "uPL" message appears.
Push “SET” key to start the UPLOAD; the “uPL” message is blinking.
Turn OFF the instrument remove the “Hot Key”, plug in the TTL serial cable, then turn it ON again.
At the end of the data transfer phase the instrument displays the following messages:
“end “ for right programming.
“err” for failed programming. In this case push “SET” key if you want to restart the programming
again or remove the not programmed “Hot key”.
“P2”
Supply
12V=
13 14 15 1 6 17 18 19 20 21 22 23
UPLOAD (FROM THE INSTRUMENT TO THE “HOT KEY”)
Message Cause
“P1”
Thermostat1 probe failure
16. WIRING CONNECTIONS
Ro om2
Turn OFF the instrument, insert the “Hot Key” and then turn the instrument ON.
Automatically the parameter list of the “Hot Key” is downloaded into the memory, the “doL”
message is blinking. After 10 seconds the instrument will restart working with the new parameters.
Turn OFF the instrument remove the “Hot Key”, plug in the TTL serial cable, then turn it ON again.
At the end of the data transfer phase the instrument displays the following messages:
“end “ for right programming. The instrument starts regularly with the new programming.
“err” for failed programming. In this case turn the unit off and then on if you want to restart the
download again or remove the “Hot key” to abort the operation.
Measuring and regulation range: -40÷110°C (-58÷230°F)
Resolution: 0,1 °C or 1°C or 1 °F (selectable).
Accuracy (ambient temp. 25°C): range -40÷50°C (-40÷122°F): ±0,5 °C ±1 digit
Config.1
DOWNLOAD (FROM THE “HOT KEY” TO THE INSTRUMENT)
Config.2
13.1
1592018110
Hot Key
dIXEL
Nome
REGULATION
Set point 1
Set point 2
Differential 1
Differential 2
Minimum set point1 limit
Maximum set point1 limit
Outputs activation delay of sect. 1 at start up
Anti-short cycle delay for compressor1
Compressor1 ON time with faulty probe1
Compressor1 OFF time with faulty probe1
Kind of action for section 1
Minimum set point2 limit
Maximum set point2 limit
Outputs activation delay of sect. 2 at start up
Anti-short cycle delay for compressor2
Compressor2 ON time with faulty probe2
Compressor2 OFF time with faulty probe2
Kind of action for section 2
DISPLAY
Temperature measurement unit
Resolution (for °C
Bottom display visualization
Upper display visualization
DEFROST
Relation between defrosts
Kind of defrost section 1
Defrost mode, section 1
Set point for Smart Defrost section 1
End defrost temperature section 1
Interval between defrosts, section 1
Maximum duration of defrost, section 1
Pre-defrost compressor on time
Dripping time section 1. 1
Defrost at power on section . 1
Defrost mode, section 2:
Interval between defrosts, section 2
(Maximum) duration of defrost, section 2
Display during defrost
Defrost display time out
Defrost delay
FANS
Fans operating mode, section 1
Fans delay after defrost, section 1
Fans stop temperature, section 1
Probe for fans
ALARM
Temperature alarms configuration, section 1
Maximum alarm, section 1
Minimum alarm, section 1
Temperature alarm delay, section 1
Delay of temp. alarm at start-up, section 1
Temp. alarms configuration, section 2
Maximum alarm, section 2
Minimum alarm, section 2
Temperature alarm delay, section 2
Delay of temp. alarm at start-up, section 2
Temperature alarm and fan differential
Alarm delay at the end of defrost
Delay of temp. alarm after closing the door
Range
Default level
LS1÷US1
LS2÷US2
0,1÷25,5 °C / 1÷45°F
0,1÷25,5 °C / 1÷45°F
-5
3
2.0
2.0
Pr1
Pr1
Pr1
Pr1
-50,0°C÷SET1 / -58°F÷SET1
SET1 ÷ 150°C / SET1 ÷ 302°F
0÷255 min.
0÷30 min.
0÷255 min.
0÷255 min.
cL / Ht
-50.0
110
0
1
15
15
cL
Pr2
Pr2
Pr2
Pr1
Pr2
Pr2
Pr2
-50,0°C÷SET2 / -58°F÷SET2
SET2 ÷ 150°C / SET2 ÷ 302°F
0÷255 min.
0÷30 min.
0÷255 min.
0÷255 min.
cL / Ht
-50.0
110
0
1
15
15
cL
Pr2
Pr2
Pr2
Pr1
Pr2
Pr2
Pr2
°C / °F
in ÷ de
P1 ÷ P4
P1 ÷ P4
°C
dE
P1
P2
Pr2
Pr1
Pr2
Pr2
ind; StS; Sti, SE
rE, in
In, Sd,RTC
-30 ÷ +30°C / -22÷+86°F
-50,0÷110°C/ -58÷230°F
1÷120ore
0÷255 min.
0÷30 min.
0÷60 min.
n÷y
In, Sd, RTC
1÷120ore
0÷255 min.
rt, it, SEt, dEF, dEG
0÷255 min.
0÷255 min.
ind
rE
in
0
6.0
6
20
0
0
n
in
8
20
it
20
0
Pr2
Pr2
Pr2
Pr2
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
C-n, C-y, O-n, O-y
0÷255 min.
-50,0÷110°C/ -58÷230°F
P1÷P3
O-n
10
2.0
P3
Pr2
Pr2
Pr2
Pr2
rE / Ab
-50,0÷150°C/ -58÷302°F
-50,0÷150°C/ -58÷302°F
0÷255 min.
0 ÷ 23h 50 min.
re ÷ Ab
-50,0÷150°C/ -58÷302°F
-50,0÷150°C/ -58÷302°F
0÷255 min.
0 ÷ 23h 50 min.
0,1÷25,5 °C / 1÷45°F
0÷255 min.
0÷255 min.
Ab
110
-50.0
15
1.3
Ab
110
-50.0
15
1.3
1.0
20
20
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr2
Pr2
5/6
dIXEL
Label
doA
Pbc
i1P
Nome
Open door alarm delay
Kind of probe
ANALOGUE INPUTS
Thermostat1 probe calibration
Thermostat2 probe calibration
Evaporator probe calibration
Thermostat2 probe presence
Evaporator probe presence
DIGITAL INPUTS
Digital input 1 polarity
i1F
Digital input 1 operating mode
i2P
Digital input 2 polarity
i2F
Digital input 2 operating mode
oFS1
oFS2
oFS3
P2P
P3P
odc1
Comp. and fan status when open door, sect
1
rrd1
Outputs restart after door open alarm, sect. 1
did1
Time interval delay for digital input alarm,
sect. 1
odc2 Comp. status when open door, section 2:
rrd2
Outputs restart after door open alarm, sect. 2
did2
Time interval delay for digital input alarm,
sect. 2
ENERGY SAVING
HES1 Temp. increase during the Energy Saving
cycle, sect. 1
HES2 Temp. increase during the Energy Saving
cycle, section 2
time and weekly holidays
Hur
Current hour
Min
Current minute
dAY
Current day
Hd1
First weekly holiday
Hd2
Second weekly holiday
Hd3
Third weekly holiday
ENERGY SAVING TIMES
ILE
Energy Saving cycle start during workdays
dLE
Energy Saving cycle length during workdays
ISE
Energy Saving cycle start on holidays
dSE
Energy Saving cycle length on holidays
defrost TIMES
L1d1 1st workdays defrost start – section 1
L1d2 2nd workdays defrost start– section 1
L1d3 3rd workdays defrost start– section 1
L1d4 4th workdays defrost start – section 1
S1d1 1st holiday defrost start – section 1
S1d2 2nd holiday defrost start – section 1
S1d3 3rd holiday defrost start – section 1
S1d4 4th holiday defrost start – section 1
L2d1 1st workdays defrost start – section 2
L2d2 2nd workdays defrost start – section 2
L2d3 3rd workdays defrost start – section 2
S2d1 1st holiday defrost start – section 2
S2d2 2nd holiday defrost start – section 2
S2d3 3rd holiday defrost start – section 2
OTHER
Adr1 RS485 serial address, section 1
Adr2 RS485 serial address, section 2
dP1
Thermostat 1 probe value
dP2
Thermostat 2 probe value
dP3
Evaporator probe value
onF
Stand-by function
rEL
Release software
Ptb
Parameter table
Pr2
Access to the protected parameter list
1592018110 XR460C GB r2.0 06.10.2006.doc
Range
0÷254 min., nu
PTC/ntc
Default level
15
Pr2
ntc
Pr2
-12,0÷12,0°C / -21÷21°F
-12,0÷12,0°C / -21÷21°F
-12,0÷12,0°C / -21÷21°F
n/y
n÷y
0.0
0.0
0.0
Y
Y
Pr2
Pr2
Pr2
Pr2
Pr2
cL÷OP
MP1; MP2, MP; EA1; EA2;
EAL; bA1; bA2; , bAL; dF1;
dF2; dEF; oF1; oF2; oFF; ES
cL÷OP
MP1; MP2, MP; EA1; EA2;
EAL; bA1; bA2; , bAL; dF1;
dF2; dEF; oF1; oF2; oFF; ES
no, Fan, CPr, F_C
cL
Pr2
MP1
Pr2
cL
Pr2
MP2
Pr2
FAn
Pr2
n, y
0÷255 min.
Y
Pr2
15
Pr2
no, Fan, CPr, F_C
n, y
0÷255 min.
no
Y
Pr2
Pr2
5
Pr2
-30÷30°C / -54÷54°F
0
Pr2
-30÷30°C / -54÷54°F
0
Pr2
0 ÷ 23
0 ÷ 59
Sun ÷ SAt
Sun÷ SAt – nu
Sun÷ SAt – nu
Sun÷ SAt – nu
0
0
Sun
nu
nu
nu
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
0 ÷ 23h 50 min.
0 ÷ 24h 00 min.
0 ÷ 23h 50 min.
0 ÷ 24h 00 min.
0
0
0
0
Pr2
Pr2
Pr2
Pr2
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
0 ÷ 23h 50 min. - nu
6.0
13.0
21.0
nu
nu
nu
6.0
13.0
21.0
nu
nu
nu
6.0
13.0
21.0
nu
nu
nu
6.0
13.0
21.0
nu
nu
nu
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
1÷247
1÷247
------y, n
-----
1
1
---------------
Pr2
Pr2
Pr1
Pr1
Pr1
Pr2
Pr2
Pr2
Pr1
XR460C
1592018110
Dixell s.r.l. Z.I. Via dell’Industria, 27
32010 Pieve d’Alpago (BL) ITALY
tel. +39 - 0437 - 98 33 - fax +39 - 0437 - 98 93 13
E-mail:dixell@dixell.com - http://www.dixell.com
6/6
APPENDIX B
SUPERHEAT MANAGEMENT
SYSTEM (SMS)
OPERATING INSTRUCTIONS
53
Superheat Management System Operation Manual
Introduction
Components
The Superheat Management System (SMS) is a stand alone system designed to
regulate the superheat in a refrigerated fixture. It performs the same basic
function as a typical mechanical thermostatic expansion valve, however, it
automatically adjusts the superheat to pre-determined target values based on the
application (i.e. low temperature or medium temperature operation). In addition,
the SMS does not require periodic adjustments as it automatically regulates in
response to changing ambient conditions, system parameter changes, and case
load changes.
The components of the SMS include: control module, power supply,
refrigeration valve with stator, pressure transducer, and temperature sensor. The
picture below depicts the SMS components:
Pressure Transducer
Control Module
Stator
Refrigeration Valve
Temperature Sensor
A 24 volt AC transformer is also required to power the system. A 3 wire power
cable is used to connect the transformer to the control module.
Installation
Refrigeration Valve
The refrigeration valve should be oriented and installed with the stator
slightly higher than the outlet of the refrigeration valve to prevent debris
from blocking the orifice and needle assembly.
The inlet and outlet of the refrigeration valve are depicted in the picture
below.
Inlet
Outlet
01/15/07
Superheat Management System Operation Manual, Rev. 1.01
Page 2 of 8
When brazing, the refrigeration valve must be wrapped with a wet rag to
prevent damage to internal components.
There are two refrigeration valves currently in use today, a 3 ton and a 5
ton valve. The valves are rated as a 3 ton or 5 ton based on R22 flow
capacity. The two valves can be distinguished by an engraving on the
top of the valve. 18B indicates a 3 ton valve and 24B indicates a 5 ton
valve. The valves can also be distinguished by rings engraved around
the bottom housing of the valve. One ring indicates a 3 ton valve and 2
rings indicate a 5 ton valve as shown below.
2 Rings = 5 Ton
1 Ring = 3 Ton
Stator
The stator is connected to the refrigeration valve by lining up the tabs on
the stator with the notches on the valve and then turning ¼ turn to lock
the stator in place.
The stator is connected to the control module via the cable provided.
The stator cable has been designed to only fit one connector attached to
the module.
Control Module with Power Cord
The control module is an over-molded electronics board with a 4
connector pigtail. The mounting holes in the module are utilized to
attach the module to a fixed surface, i.e. tank surface or mounting plate,
etc.
Each of the connectors on the 4 connector pigtail are unique and should
only be plugged into its matching connector from the temperature sensor,
pressure transducer, power input, and stator. No attempts should be
made to jump or cross wire the connectors. These actions could lead to
damage to the control module or components.
The power cord is connected to the control module via the matching
connector. The pigtail end of the power cord is hardwired to the
transformer.
The power cord should not be connected directly to the pressure
transducer as damage to the transducer could occur.
01/15/07
Page 3 of 8
Each connector should be fastened together until a slight click is heard or
visually checked to ensure the locking tab on the side of the connector is
engaged.
Pressure Transducer
The pressure transducer is connected to the control module via a snap-in
cable.
The transducer cable should never be plugged directly into the power
supply as damage to the transducer could result.
To attach the transducer to the schraeder fitting on the suction line, clean
the flare fitting mating surface with a scotch bright pad prior to
transducer installation. Apply a thin layer of oil around the mating
surface and install the transducer. The transducer must be torqued to 120
in-lbs.
The transducer is sensitive to heat and should be removed if brazing or
soldering is being done to the suction line within 2 feet of the transducer.
The transducer can be left installed while a vacuum is applied to the
system.
Temperature Sensor
The temperature sensor is connected to the control module via a
connector at the end of the sensor wires.
The temperature sensor must be attached to the suction line in the same
fashion as a capillary tube utilized on a mechanical valve. The sensor
should be firmly attached longitudinally along the suction line in the 4 or
8 o’clock position for 7/8” lines or larger and on the top portion of the
pipe between 3 and 9 o’clock for pipe sizes below 7/8”.
The temperature sensor must be removed if brazing or soldering is being
done to the suction line within 2 feet of the sensor.
Transformer
The required transformer is a 24VAC transformer with a minimum rating
of 20 VA. The transformer must also be grounded.
The ground wire must be utilized with the line voltage.
The ground wire leading to the control module must be utilized.
A maximum transformer rating of 50 VA can be utilized to energize the
SMS.
Operation, Error
Codes & Failsafe
Operation
The SMS is equipped with 3 LED lights that are capable of steady-on or blinking
operation. Upon voltage being applied to the system, the control module will
begin its startup and verify LED operation by cycling through all the lights. The
amber light will then turn on indicating the module is working correctly and all
the sensors have been checked. If a sensor failure is found a corresponding error
code will be displayed via the lights. The error codes are contained below.
01/15/07
Page 4 of 8
Lights Display
Error Description
Superheat within target range
Controller functioning, superheat not within target range
Superheat too high for over 2 hours
Superheat too low for over 2 hours
B
B
B
Valve Connection Problem
B
Transducer Connection Problem
Temperature Probe - Connection Problem
Solid
B
Blinking
If a sensor failure is detected, the first response should be to check all
connections and wiring points and to visually inspect sensors for cracks in the
wiring, excessive heat, etc. If the problem still persists, the sensor should be
replaced and the power cycled to reset the control module. If no sensor failures
are indicated, the module will open the refrigeration valve and attempt to reach
the superheat target. Upon reaching the target value, the amber light will be
turned off and the green light displayed to indicate proper superheat has been
achieved. If the superheat target can not be achieved, the module will indicate
the error.
If an error code is displayed, the control module will default to a “safe” mode
based on previous case performance. The system will continue to operate in this
safe mode until the condition is corrected and then will return to normal
operation. In the event of errors related to the superheat target not being
achieved (not sensor failures), the system will default to its safe mode and
attempt to reach its target superheat every 45 minutes. If the superheat is not
reached within 15 minutes, the system will default back to safe mode. In some
rare circumstances, 15 minutes might not be long enough for the system to reach
its target superheat. It may be necessary to cycle the power to reset the system
immediately and provide an additional 15 minutes to reach superheat. It may be
necessary to cycle the power to the unit several times to achieve proper
performance if the system has been turned on without refrigeration, etc. If the
superheat can not be achieved and accurately maintained, the SMS will continue
to default into its safe mode. Further trouble shooting should be done to ensure a
full column of liquid refrigerant is at the refrigeration valve, the system is
performing adequately, and all SMS sensors are attached correctly and reading
accurately.
01/15/07
Page 5 of 8
The safe mode is determined by historical data collected by the SMS during
normal case operation. The average valve capacity over a 24 hour period is
collected and is stored under a signature value for the case. This value is specific
to the case and application. When the SMS operates in a safe mode, the
signature value is utilized to provide a safe level of refrigeration until
maintenance can be completed. It is important to note that a safe level of
refrigeration is based on historical performance of the case and that maintenance
should be completed as soon as possible.
Communication
The SMS can communicate externally via infrared (IR) technology. The control
module has an onboard emitter and receiver located as in the picture below.
IR Device
Line of Sight
IR Components
An IR device, as shown above, is required to connect the control module with a
PC through a USB port. IR requires the module and IR device to be in line of
sight of one another and from 3 inches to 2 feet apart. The picture above also
demonstrates the correct orientation of the components for communication. The
SMS software must be loaded on the PC and the drivers for the IR device
installed.
Refrigerant
Selection
The SMS is able to handle a wide variety of refrigerants and has the capability of
selecting or changing the refrigerant through an IR device and a PC. The
software must be obtained through Hill PHOENIX and expires on a semi-annual
basis to ensure use by only authorized personnel. Upon installing and launching
the SMS software, a Quick Start interface screen will appear as shown below on
the left.
01/15/07
Page 6 of 8
The circle next to the desired refrigerant should be selected and then the “Send
Settings to Controller” button should be pressed. The software will monitor the
change in parameters and display if the change was successful or not as shown
above in the picture on the right. If the settings were not successfully sent, the
connection to the IR device should be checked and the orientation of the IR
device and control module should be examined to ensure there is nothing
blocking the line of sight between the IR device and the module.
The signature value of the controller can also be reset by checking the box next
to “Clear valve signature value” and then selecting the desired refrigerant and
then pushing the “Send Settings to Controller” box. It may be necessary to reset
this value if switching a controller to a different case or if a refrigerant change is
made, etc.
Diagnostics/View
Status
The SMS is also capable of displaying in-depth information pertaining to the
performance of the system. Normal operation does not warrant the use of these
functions but could aid in diagnosing system performance.
To utilize this functionality, the IR device is used as detailed above in the
refrigerant selection. When the software is initialized and the Quick Start screen
is displayed, the “View Status” heading (circled in red on the figure below) at the
top of the SMS screen must be selected.
01/15/07
Page 7 of 8
When the status screen is displayed, the “Connect to Controller” button should be
pressed. The buttons marked Rx and Tx should blink from green to red and a
status summary will be displayed at the bottom of the SMS screen. The software
should indicate that the connection was successful and the current settings and
the readings of the SMS sensors will be displayed in real time. A graph will
record the readings as measured by the SMS and display them. The control
module does not store data so data can not be pulled from the module. The graph
can be started and then viewed later to look at system performance. Values to be
displayed on the graph are listed on the right of the graph. The checked boxes
indicate the value is to be displayed.
The following is a list of displayed readings and parameters:
Suction Pressure – Displays the suction pressure as recorded by the SMS
pressure transducer.
Coil Inlet Temp. – Displays the saturated suction temperature converted
from the pressure recorded by the SMS transducer and based on the
refrigerant selected.
Superheat – Displays the calculated superheat based on the SMS
temperature sensor and the coil inlet temperature.
Coil Outlet Temp. – Displays the coil outlet temperature as recorded by
the SMS temperature sensor.
Refrigeration Valve Capacity – Displays the percentage of full capacity
the valve is currently operating at.
Refrigerant – Displays refrigerant selected in the software.
System Temp – Not used at this time.
Questions
If there are any questions or concerns, please contact Hill PHOENIX at (804)
451-2528.
01/15/07
Page 8 of 8
APPENDIX C
STEP MOTOR EXPANSION
VALVES INSTALLTION
INSTRUCTIONS
61
Step Motor Expansion Valves
Installation Instructions
Operation
The ESX valves are step motor operated electric expansion valves. Step motors
are designed to provide discrete segments of angular motion, or rotation, in
response to an electronically generated signal. The advantages of step motors
in valve applications are high resolution, repeatability and reliability with low
hysteresis. Feedback loops are not required, simplifying controller design and circuitry.
The step motor used in the ESX valve is a 12-volt DC, four phase, unipolar, permanent magnet
rotor type. Each step creates a 3.75° rotation of the rotor. Final rotation is converted to linear
motion by the use of a threaded shaft. Forward motion of the motor extends the pin, which
moves the valve to the closed position. Backward rotation of the motor retracts the pin, modulating the valve in the opening direction. Full forward or backward travel is limited by the valve
seat in the closed position or an upper stop in the open direction. A slight clicking sound may be
heard at either of these two positions and does no harm to the valve or drive mechanism.
The valve will operate only when connected to a properly designed controller. The controller
must supply the necessary square wave step signal at 12-volts DC and 30 to 83.5 PPS for the
valve to control properly. Various Sporlan and third party controllers are available for use with
the valve. Questions of suitability of a specific controller should be directed to Sporlan, Attention: Mechatronics Product Group. Control algorithms for the valve include a initialization sequence that will first over-drive the valve in the closing direction. This is to assure that the valve
is completely shut and to establish the “zero” open position. The controller then keeps track of
the valve’s position for normal operation. During this initialization phase, a light clicking sound
may be heard, which will serve as proof of the valves operation and closure.
The valves have metallic seating for tight shutoff and uniquely characterized pin and port
combinations for exceptional control of refrigerant flow. The seats require no service and are
not replaceable. The stator may be easily replaced without removing the valve body from the
system.
Installation
The ESX valves are electronically controlled Step Motor Expansion Valves, and are installed
before the distributor and evaporator just as one would install a Thermostatic Expansion Valve.
Location should be planned to provide serviceability and to allow controller installation within
the maximum cable length of forty feet. The valve may be installed in the refrigerated space
and may be mounted in any position except with the motor housing below the liquid line. Cable
routing should avoid any sharp edges or other sources of potential physical damage such as
defrost heaters and fan blades. For neatness and protection, the cable may be fastened to the
suction or liquid lines with nylon wire ties.
®
Valve Installation Procedure
The installation of the ESX Step Motor Valve utilizes most of the same techniques and precautions used for assembly of other refrigeration components. As with any refrigerant system,
safety and cleanliness must be a priority. Use of an upstream Sporlan filter-drier is highly recommended to prevent contamination of the expansion valve.
1. Properly reduce system pressure to atmospheric pressure using accepted industry guidelines.
2. Choose an installation location that is easily accessible, and minimizes external contamination from the environment. The ESX should be located downstream of any liquid line
accessories (e.g. receiver, sight glass, service valve, etc...) and located as close to the evaporator/heat exchanger as possible.
3. For most installations the recommended flow direction utilizes the side fitting for liquid
inlet; bottom fitting feeding the evaporator. If using the valve in reverse flow (bottom inlet)
or in bi-flow operation; special controller settings must be used to ensure adequate valve
shutoff. See Valve Operation section.
4. Disassemble stator from valve body prior to brazing. The ESX valve is not position sensitive; however, it is recommended that the valve be installed with the stator at or above the
body elevation to prevent accumulation of system contaminants within the valve (Figure 1).
Installation should be such that valve weight or system vibration will not cause mechanical
failure. Properly protect and restrain electrical connections.
Figure 1 - ESX Installation Orientation
5. Silver or phosphorous bearing copper brazing alloys can be used during installation. Minimal flux should be applied for copper-brass or copper-steel joints using silver bearing alloys;
use flux on the joint exterior only. Clean all refrigerant lines and fittings as necessary prior
to valve installation.
6. Minimize the heat applied to the valve by wrapping the valve with wet cloths and directing
the heat away from the valve. The use of conductive paste or chill blocks should be considered for original equipment installations. The valve body temperature must be limited to
250°F during installation. Use of flowing dry nitrogen during installation is recommended
to prevent the formation of toxic gasses and copper oxides.
7. Once valve has cooled, replace stator and orient at one of the 10 available detent positions.
Both tabs at base of stator must engage retaining ring on valve body.
8. Make electrical connections taking care to protect and secure all electrical connections from
moisture, contamination, stress, etc. Extension wires may be attached to stator wiring provided that proper connections are made with 18 AWG or heavier stranded copper wire.
Extension length should not exceed 100 feet between valve and step motor controller.
9. Connect wiring to controller. Refer to controller manufacturer’s instructions for proper wiring connections.
10. Refer to ESX Technical Specifications and Valve Operation sections in Bulletin 100-20-2 to
aid in configuring controller.
Field Service Instructions
The ESX valves bodies are hermetic and cannot be disassembled for installation or during service, however, the stator can be removed if required. See parts list on page 4.
Note: If the valve is to be removed from the system, be sure the refrigerant has been reduced to
a safe level (0 psig).
1. Disconnect the line voltage to the valve controller.
2. If the motor fails to operate properly, check the resistance of each motor phase. Resistance
between any colored lead and gray should be 46 ± 4 ohms. Differences of more that 10%
between phases indicate a defective motor. Resistance between any lead and piping should
be infinite or “open”. Any resistance reading will indicate a shorted winding and the valve
will need to be replaced.
3. If you have access to an SMA-12 test instrument (Part Number 958737), operation of the
valve may be proven. Connect the motor leads to the color-coded connector on the SMA-12.
As shown below:
ESX leads
Yellow
Black
Orange
Red
Gray
SMA-12 Terminals
Black
White
Green
Red
No connection
4. Set the rate to 50 PPS and toggle in the “OPEN” position. Pressure downstream of the valve
should rise indicating valve opening and flow. NOTE: Care should be taken to assure that
floodback and compressor damage does not occur during the test. Toggle the SMA-12
to the “CLOSE” position and the pressure downstream of the valve should fall, indicating
valve closure. If the valve does not open and close during the procedure, the valve is either
full of debris or defective, and must be removed for cleaning or replacement.
5. If the valve responds to the above procedure the failure is in the controller or wiring. The
control manufacturer should be consulted for their preferred procedure. In the absence of
that information, the output of the controller to the valve may usually be tested with the following procedure.
a.Disconnect supply voltage to the controller.
b.Place a digital voltmeter, on 20-volt AC scale, across the Gray (common) and Yellow
terminals on the controller. Restore power to the controller. For at least 7 seconds, the
voltmeter should read approximately 12 to 14 volts. Significant differences mean the
controller is defective or not properly configured for the ESX valve.
c.Repeat the procedure above connecting Gray to the Red, Orange and Black terminals on the
controller.
d.If the controller responds properly to the above, the wiring may be damaged or the valve
may be plugged with debris or otherwise obstructed.
Valve Replacement
The valve may be replaced by unsoldering or cutting the piping. A tubing cutter must be used
to prevent creating contaminants in the piping. See the Installation section on procedures to use
during valve installation.
Parts
Stator
O-Ring
Washer
Valve Body
Part Number
Stator 5’ Leads
10200-000
10’ Leads
10200-001
Washer
10203-000
O-Ring
10201-000
Valve 14A
10202-000
14B
10202-001
18A
10202-002
18B
10202-003
24A
10202-004
24B
10202-005
SMA-12
958737
© Copyright 2006 Sporlan Division Parkker Hannifin Corp.
Made in U.S. of A. SD-287-106
APPENDIX D
CASE TO CAES WATERSHED INSTALLATION INSTRUCTIONS
66
WARRANTY
HEREINAFTER REFERRED TO AS MANUFACTURER
FOURTEEN MONTH WARRANTY. MANUFACTURER’S PRODUCT IS WARRANTED TO BE FREE
FROM DEFECTS IN MATERIAL AND WORKMANSHIP UNDER NORMAL USE AND MAINTENANCE FOR
A PERIOD OF FOURTEEN MONTHS FROM THE DATE OF ORIGINAL SHIPMENT. A NEW OR REBUILT
PART TO REPLACE ANY DEFECTIVE PART WILL BE PROVIDED WITHOUT CHARGE, PROVIDED THE
DEFECTIVE PART IS RETURNED TO MANUFACTURER. THE REPLACEMENT PART ASSUMES THE
UNUSED PORTION OF THE WARRANTY.
This warranty does not include labor or other costs incurred for repairing, removing, installing, shipping, servicing, or handling of either defective parts or replacement parts.
The fourteen month warranty shall not apply:
1. To any unit or any part thereof which has been subject to accident, alteration, negligence, misuse or
abuse, operation on improper voltage, or which has not been operated in accordance with the
manufacturer’s recommendation, or if the serial number of the unit has been altered, defaced, or removed.
2. When the unit, or any part thereof, is damaged by fire, flood, or other act of God.
3. Outside the continental United States.
4. To labor cost for replacement of parts, or for freight, shipping expenses, sales tax or upgrading.
5. When the operation is impaired due to improper installation.
6. When installation and startup forms are not properly complete or returned within two weeks after startup.
THIS PLAN DOES NOT COVER CONSEQUENTIAL DAMAGES. Manufacturer shall not be liable under any
circumstances for any consequential damages, including loss of profit, additional labor cost, loss of refrigerant or food products, or injury to personnel or property caused by defective material or parts or for any delay
in its performance hereunder due to causes beyond its control. The foregoing shall constitute the sole and
exclusive remedy of any purchases and the sole and exclusive liability of Manufacturer in connection with
this product.
The Warranties are Expressly in Lieu of All Other Warranties, Express of Implied and All Other Obligations
or Liabilities on Our Part. The Obligation to Repair or Replace Parts or Components Judged to be
Defective in Material or Workmanship States Our Entire Liability Whether Based on Tort, Contract or
Warranty. We Neither Assume Nor Authorize Any Other Person to Assume for Us Any Other Liability in
Connection with Our Product.
MAIL CLAIM TO:
Hill PHOENIX
Hill PHOENIX
Display Merchandisers
804-526-4455
Refrigeration Systems &
Electrical Distribution Products
709 Sigman Road
Conyers, GA 30013
770-285-3200
6/00
Warning
Maintenance & Case Care
When cleaning cases the following must be performed
PRIOR to cleaning:
To avoid electrical shock, be sure all electric power is
turned off before cleaning. In some installations, more
than one switch may have to be turned off to completely
de-energize the case.
Do not spray cleaning solution or water directly on fan
motors or any electrical connections.
All lighting receptacles must be dried off prior to insertion
and re-energizing the lighting circuit.
Please refer to the Use and Maintenance section of this installation manual.
804-526-4455
ASH7010
1925 Ruffin Mill Road, Colonial Heights, VA 23834
Due to our commitment to continuous improvement all specifications are subject to change without notice.
Hill PHOENIX is a Sustaining Member of the American Society of Quality.
CRMA endorsed
Visit our web site at www.hillphoenix.com

DELI - Hillphoenix

Transcription

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