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User Manual 8æLYDWHOVNëPDQXiO
Manual del usuario Guide de l’utilisateur
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
. . . . . . . . . . . . . . p. 1
. . . . . . . . . . . . . p. 31
. . . . . . . . . . . . . p. 61
ENG
ESP
FRA
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SMRT-Y
User Interface Installation:........13
Overview
3ĜHKOHG ............................................................13
Detailed
Procedure ...........................................13
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SMRT-Y Operation...................................17
Take a Moisture Reading .................................17
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Set
the Moisture Threshold .............................17
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View
Soil Temperature .....................................18
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Change
Temperature Format .........................18
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View
Soil EC........................................................19
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Manual
Watering/Bypass................................19
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Watering
History...............................................20
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SMRT-SMS
Soil Moisture Sensor
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Installation
,QVWDODFH ...............................................7
Items Needed....................................................... 2
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Panel Description................................................ 2
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How it Works ....................................................... 3
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Preparation.......................................................... 4
Introduction .............................................2
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Contents
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Troubleshooting.....................................28
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Special
Notes ..........................................26
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Optional
wiring for Xeriscape or flower
beds
........................................................25
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How to connect them:......................................25
System
Setup ..........................................24
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Recommended
Follow-up ...............................24
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Calculating
Field Capacity / Moisture
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Threshold................................................23
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Field Capacity Method .....................................23
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Automatic Moisture Threshold Method ........23
Setting
the Watering Schedule ..............21
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Suspending Watering.......................................20
Watering
Allowed .............................................20
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SMRT-Y
Soil Moisture Sensor
8æLYDWHOVNëPDQXiO
User Manual
2
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SMRT-Y Soil Moisture Sensor
Soil
eTm
p
Read
Sensor
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LCD
Displays soil moisture, soil temperature, electrical conductivity. It also
/&'Display =REUD]XMHYOKNRVWSŢG\WHSORWXSŢG\HOHNWULFNRXYRGLYRVW
displays Watering history (see page 20).
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Read
Read sensor displays and sets the moisture threshold. This threshold is the
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soil moisture level at which the SMRT-Y disrupts irrigation.
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Soil
Displays soil temperature. Increments up when “Read Sensor” is depressed.
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Press and toggle “Soil EC” to display Fahrenheit or Celsius
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Panel
Description
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for Sensor Installation (SMRT-SMS)
for
User Interface Installation (SMRT-Y)
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SURSRMRYDFtNDEHOSURSRG]HPQt
t Use
t NŐtæRYëäURXERYiN
18 AWG wire or equivalent for
Medium Philips screw driver
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splicing
and burial
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t Drill
t Grease
caps or equivalent waterproof
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t Wire
strippers/Pliers
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connectors (3)
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Connect to a UL listed irrigation controller
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Flat blade shovel
or equivalent
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t RGVWUDŁRYDÿL]RODFHNOHäWĚ
Wire strippers/pliers
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7” valve box (optional)
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Items
Needed
Before
you start installing your new Rain Bird Soil Moisture Sensor:
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Congratulations
on your purchase of the Rain Bird SMRT-Y Soil Moisture Sensor kit, utilizing the the most
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advanced technology available on the market. You have joined those interested in conserving water, Earth’s
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most
important resource, while optimizing the root health of your turf and trees.
Introduction
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Bypass
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Soil
EC
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Displays
soil electrical conductivity, increments down when “Read Sensor”
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is5HDG6HQVRU3ŐHStQi~GDMHRWHSORWĚSŢG\PH]Lƒ)Dƒ&
depressed. Changes between Fahrenheit and Celsius when “Soil Temp” is
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depressed.
Sets the SMRT-Y user interface to Bypass mode, disabling the sensor.
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3
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SMRT-Y Soil Moisture Sensor
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If the water content in the soil is below the threshold when your controller begins its cycle, the SMRT-Y allows
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the controller and its irrigation programs to operate normally. The connection will be maintained for the entire
F\NOXVÿLGORYOKNRVWL6057<SRYROtRYOiGDFtMHGQRWFH]iYODKDDNWLYQtPSURJUDPŢPQRUPiOQtÿLQQRVW
watering cycle and for 30 minutes thereafter. The SMRT-Y has provisions to water two zones independent of
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the sensor to accommodate drought-tolerant planting, cacti, trees, potted plants, drip zones, etc (see page 25).
SRXNRQÿHQtF\NOX6057<XPRæŁXMH]DYODæRYDWGYĚVHNFHQH]iYLVOHQDÿLGOXYOKNRVWLWDNDE\E\OR
PRæQRGRV\VWpPX]DŐDGLWURVWOLQ\WROHUDQWQtNVXFKXMDNRVWURP\QiGRERYpURVWOLQ\VHNFHV
PLNUR]iYODKRXDWGYL]VWU
!
NOTE:
Taking a manual reading during a controller cycle or within 30 minutes after the end of
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aMHGQRWN\]iYODK\DQHERYSUŢEĚKXPLQXWRYpKRLQWHUYDOXSRSUREĚKQXWtF\NOXVWDY
cycle will not affect the Water Suspended/Allowed mode of the user interface. If you push
“Read
Sensor” during this period, the user interface may show a moisture reading above the
6057<MHGQRWN\=DYODæRYiQtSRYROHQRSR]DVWDYHQRVHQH]PĚQt3RNXGVWODÿtWH5HDG
moisture
threshold. The interface will not change state or suspend irrigation until a reading is
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made
outside of this time period. This assures that all programmed zones receive water during
KODGLQRXYOKRVWL6WDY6057<VHPŢæH]PĚQLWDæSRXSO\QXWtPLQXWFRæ]DMLäŘXMHæH
an
allowed controller cycle.
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-DNYODVWQĚV\VWpPÿLGODSŢGQtYOKNRVWLSUDFXMH
How
it Works
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The SMRT-Y uses a Digital Time Domain Transmissometry Soil Moisture Sensor buried in your lawn to
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accurately monitor the Volumetric Water Content of your soil. The SMRT-Y user interface connects to your
6057<DWDMHSURSRMHQDV9DätRYOiGDFtMHGQRWNRX]iYODK\-HGQRWND]iYODK\MHQDSURJUDPRYiQD]FHOD
existing irrigation controller. Your controller is programmed to water on a regular basis. The SMRT-Y takes
EĚæQëP]SŢVREHP6057<SŐtMtPiLQIRUPDFHRYOKNRVWLSŢG\NDæGëFKPLQXW3RNXGREVDKYRG\Y
soil moisture readings every 10 minutes. If the water content of the soil is above the set threshold for your
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soil, then the SMRT-Y will suspend the irrigation cycle by interrupting the power to your solenoid valves. This
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power is restored after 30 minutes of controller inactivity.
sap
yB
Se
o
snr
Soil
EC
4
SMRT-Y Soil Moisture Sensor
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2GPDMLWHOHQHERLQVWDODÿQtVHUYLVQtILUP\]MLVWĚWHD]DSLäWHQHMÿDVWĚMätIUHNYHQFL]iYODK\DGRE\
From the homeowner or maintenance contractor, determine and record the most frequent watering
intervals and run times that have been used in past peak season settings.
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Choose
a full sun turf zone for the sensor installation (see Figure 1 & 2).
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Ensure
each zone operates properly.
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3URYäHFKQ\]iYODKRYpVHNFHXUÿHWHSŐHYOiGDMtFtW\SURVWOLQWUiYQtNNHŐHNYĚWLQ\8UÿHWHW\S]iYODK\
Review each irrigation zone and identify the primary plantings (turf, shrubs, flowers, etc.). Record zone
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type (drip, vs. sprinkler) and where it is located on the property. For the turf zones, record whether the
zone is full sun, partial sun or shade. Finally, record each zone’s current controller settings.
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Ensure
that the property has been irrigated within the past 12 hours. This will make digging easier and
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lessen
the likelihood of turf root damage.
3ŐLSUDYtPHVH
Preparation
Too shady
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PtVWR
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GŢP
Too3ŐtOLä
shady
]DVWtQĚQp
(trees,
house,
etc...)
PtVWR
5
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SMRT-Y Soil Moisture Sensor
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Heavy foot
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traffic
SRK\EXRVRE
Low point
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Sensor Location Selection
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Too
shady
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6
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SMRT-Y Soil Moisture Sensor
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Too3ŐtOLäEOt]NR
close to tree
Susceptable to over1HEH]SHÿtSRGPiÿHQtRG
spray from car wash and
P\WtYR]LGODDSRWHQFLiOQt
potential foot traffic
SRK\ERVRE
Unacceptable Sensor Locations
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SORFK
Separated
RNROtby
walkway
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TooPtVWR
shady
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Too closeFHVW\
to walkway.
!
7
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
NOTE: Avoid selecting a zone which powers more than one solenoid. The green wire from the
32=11HY\EtUHMWHVHNFHNWHUpMVRXRYOiGiQ\YtFHQHæMHGQtPVROHQRLGRYëPYHQWLOHP
SMRT-Y user interface must be connected to a zone which activates a single valve solenoid.
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VROHQRLGHP
Make sure that the selected wire is the zone wire and not the ‘common’ wire.
32=19\YDUXMWHVHPtVWNGHGRFKi]tNDNXPXODFLYRG\]SRYUFKRYpKRRGWRNXEOt]NR
NOTE: Avoid placing the sensor where water will accumulate from runoff such as near driveways,
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sidewalks, depressions and at the base of berms or hills.
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Pick
a spot where the turf is healthy and the subsoil allows drainage. Place the sensor at least 4 feet
6QtPDÿÿLGODXPtVWĚWHPLQPRGQHMEOLæätKRSRVWŐLNRYDÿHDREHFQĚYSORäHNWHUiMH]DYODæRYiQD
away from sprinkler heads and in an area that is irrigated by only the one selected zone.
SRX]HMHGLQëPHOHNWURYHQWLOHP
Locate the nearest valve box to the chosen sensor installation spot. Identify and mark both ends of a
9\KOHGHMWHYHQWLORYRXäDFKWXNWHUiMHQHMEOtæHPtVWXLQVWDODFHVQtPDÿH9\KOHGHMWHYRGLÿIi]H
zone wire in the valve box and at the controller. You can do this by manually bleeding a valve in the
HOHNWURYHQWLOXQHYRGLÿDR]QDÿWHKRQDRERXNRQFtFKXYHQWLOXLXRYOiGDFtMHGQRWN\3UR
valve box to find out what zone it controls. Place a piece of electrical tape on the zone wire connected
XUÿHQtVSUiYQpVHNFHPŢæHWHYHQWLOVSXVWLWPDQXiOQĚSRRWRÿHQtPVROHQRLGXQHERäURXENHP
to that valve. Then place a piece of electrical tape on the other end of that wire in the controller box.
REWRNX
!
0DQXiOQĚVSXVŘWHVHNFLYNWHUpFKFHWHVQtPDÿÿLGODLQVWDORYDW3RGOHGLVWULEXFH]iYODKRYpYRG\
Manually turn on the zone where the sensor is to be installed and the adjacent zones. Observe the
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water distribution patterns and select the sensor installation spot.
6057,QVWDODFHVQtPDÿHSŢGQtYOKNRVWL
SMRT-SMS
Soil Moisture Sensor Installation
8
2EU
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SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
18"
PP
PP
18"
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YHäNHUpSĚFKRYiQtSURYiGĚMWHUXÿQĚVSŐLPĚŐHQëPSRXæLWtVtO\
6QtPDÿYOKNRVWLXPtVWĚWHKRUL]RQWiOQĚQDQDN\SŐHQRXSŢGXQDGQĚRWYRUXVYRGLÿLVQtPDÿHYH
Place the sensor horizontally in the loose soil at the bottom of the U-shaped cavity with the sensor wires
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running along the trench that leads to the wiring box. Pack loose soil firmly around the sensor rods to a
XSĚFKXMWHVQtPDÿSŐHNU\MWHYUVWYRX]HPLQ\PPDURYQĚæXSĚFKXMWH8URYQHMWHSRYUFKDD
depth of about ½ inch. Then pull the sod back over the sensor and pack it down firmly.
9\W\ÿWHVLÿWYHUHF[PPDSRPRFtUëÿHVURYQRXKUDQRXKR]HWŐtVWUDQRGŐt]QĚWHRGWUiYQtNX
Using
a flat bladed shovel, define three sides of a square 18” wide by 18” in length and 6” deep. This slit
9]QLNOëGUQUëÿHP]HVSRGXRŐt]QĚWH]KUXEDYKORXFHPPDGUQSŐHKQĚWHWDNDE\VHRGKDOLOD
should
be U shaped (see figure 3). Work the shovel under the sod at a depth of about 4 inches and roll
URVWOi]HPLQDGRKORXEN\FFDPP7ĚVQĚYHGOHWRKRWRRWYRUXXGĚOHMWHGDOätRWYRUSŐLEOLæQĚVWHMQĚ
back
the sod leaving exposed soil 3 to 4 inches deep. About 6 inches from one side of this opening, dig
aYHONëKORXENDMHGiQDYHOLNRVWtPDOpNUXKRYpäDFKW\FFDPPQDNDEHORYpVSRMH9tNRäDFKW\E\
similar opening and hole to accommodate a 7” valve box. This valve box (wiring box) will be used to
PĚOREëWSRGSRYUFKHPGOHREU0H]LPtVWHPäDFKW\DRWYRUHPSURVQtPDÿYOKNRVWLSURYHďWH
splice
additional wire from the sensor to the zone wire identified in Step 3. Dig a slit trench from the 7”
~]NRXUëKXSURNDEHORYpSURSRMHQt
wiring
box location to the base of the 18” square opening created for the sensor (see Figure 4).
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9
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SMRT-Y Soil Moisture Sensor
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10
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SMRT-Y Soil Moisture Sensor
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'RSRUXÿXMHPHVLVFKHPD]DSRMHQtURYQĚæSURMtWYSŐHKOHGQpP]DSRMRYDFtPGLDJUDPXNWHUëMH
GRGiYiQVYëURENHP
VLOLNRQRYRXQiSOQt
9äDFKWLFLHOHWURYHQWLOXRGSRMWHR]QDÿHQRXIi]LYHGRXFtNHOHWURYHQWLOXDSŐLSRMWHKRN
In the valve box, disconnect the marked zone wire from the valve and connect it to the extension
cable wire previously attached to the Red sensor wire. No other wires should be attached to this
SURGOXæRYDFtPXNDEHOXUHVSÿHUYHQpPXYRGLÿLVQtPDÿH9WRPXWRYRGLÿLQHSŐLSRMXMWHåÉ'1eGDOät
connection. Re-connect the disconnected valve wire to the Black sensor wire extension. Connect the
YRGLÿH9RGLÿRGFtYN\HOHNWURYHQWLOXSŐLSRMWHNÿHUQpPXYRGLÿLVQtPDÿHUHVSMHKRSURGORXæHQt
White sensor wire extension to the common wire in the valve box. Make sure all valves in the valve
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box share the same common connection with the White sensor wire (see Figure 5). Use grease caps
NYHQWLORYpäDFKWĚMVRXSURSRMHQ\V2YLGÿHNNWHUëMHVSRMHQVEtOëPYRGLÿHPRGVQtPDÿH3R
for all connections after confirming proper system operation (see wiring diagram included in your kit).
NRQWUROHIXQNÿQRVWLSRXæLMWHQD9ã(&+1<NDEHORYpVSRMHYRGRWĚVQpNRQHNWRU\VYD]HOLQRYRXQHER
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Within the wiring box, connect the sensor wires to the extension cable that leads to the valve box. Use
grease caps for all connections after confirming proper system operation. If the extension cable wire
HOHNWURYHQWLOHP3RNRQWUROHIXQNÿQRVWLSRXæLMWHQD9ã(&+1<NDEHORYpVSRMHYRGRWĚVQpNRQHNWRU\V
colors do not match the wire colors from the sensor, write down the extension cable wire colors that
YD]HOLQRYRXQHERVLOLNRQRYRXQiSOQt3RNXGPiSURGOXæRYDFtNDEHORGOLäQpEDUHYQp]QDÿHQtYäHFKQ\
correspond to the Red, White and Black wires from the sensor.
YRGLÿHSHÿOLYĚR]QDÿWHDE\E\ORMDVQpMDNMVRXSURSRMHQ\ÿHUQëÿHUYHQëDEtOëYRGLÿRGVQtPDÿH
'JHVSF
2EU
Sensor Black Wire
6QtPDÿþ(51êYRGLÿ
Sensor White Wire
6QtPDÿ%Ì/êYRGLÿ
9RGLÿHNVQtPDÿL
8JSFTUP4FOTPS
6QtPDÿþ(59(1êYRGLÿ
Sensor Red Wire
11
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
7BMWF#PY$POOFDUJPOT
3URSRMHQtYäDFKWĚHOHNWURYHQWLOX
9RGLÿHNRYOMHGQRWFH
8JSFTUP$POUSPMMFS
2YOiGDFtMHGQRWNDIi]HVHNÿQtYRGLÿ
Controller Zone Wire
2YOiGDFtMHGQRWNDYRGLÿ
Controller Common Wire
Solenoid Valve
(OHNWURYHQWLOYRGLÿFtYN\
(OHNWURYHQWLOYRGLÿFtYN\
Solenoid Valve
3URSURSRMHQtSRXæLMWHNDEHOSURSRG]HPQtLQVWDODFLRSUŢŐH]XPLQPP
Use
18 AWG direct burial polyethylene insulated wire (or equivalent) for splicing and burial
9RGRWĚVQpNRQHNWRU\VHVLOLNRQHPQHERYD]HOtQRXQDSŐ0'%<DSRG
Grease
Caps or equivalent waterproof connectors (Rain Bird direct bury connector #DBTWC25)
0DOiNUXKRYiäDFKWDFFDSUŢPĚUPPMDNRQDSŐ9%
A 7 inch round Valve Box (Rain Bird item #VB-7RND)
12
,77(&VSROVUR
18
gauge, direct
9RGLÿHRGVQtPDÿH
burial
Polyethylene
VHQ]RUX
insulated wire
.VQtPDÿLVHQ]RUX
To sensor
8JSJOH#PY$POOFDUJPOT
3URSRMHQtYäDFKWĚYHGOHVQtPDÿH
2EU
'JHVSF
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
3URSRMRYDFtYRGLÿHRG
äDFKW\NäDFKWĚV
HOHWURYHQWLOHP
0LQPPNDEHOSUR
XORæHQtY]HPL
.YHQWLORYpäDFKWĚV
To valve box
HOHNWURYHQWLOHP
Grease caps
9RGRWĚVQpNRQHNWRU\
7”
round
0DOiNUXKRYiäDFKWD
Valve
Box
QDSŐ9%
Finally,
pour a five gallon bucket of water slowly over the sensor installation area.
3RGRNRQÿHQtLQVWDODFH]DOHMWHRSDWUQĚPtVWRLQVWDODFHVQtPDÿHFFDOYRG\
t
t
t
3URYRGRWĚVQpVSRMHQtYRGLÿŢVQtPDÿHVSURGOXæRYDFtPNDEHOHPYL]REUSRXæLMWH
For
a weather proof connection (see Figure 6) please use:
24V 24V
1
2
4
5
6
,77(&VSROVUR
13
&20Common
QXORYëYRGLÿ2
wire
RGHOHNWURYHQWLOŢ
3
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
'JHVSF
2EU
COM
To SMRT-Y
2GMHGQRWN\6057<
Black wire
þ(51êYRGLÿ6057<
3RGUREQëSRVWXS
Disconnect the wire or wires that are
connected to the “COM” (or Common)
2GSRMWHQXORYëYRGLÿSŐtSYRGLÿHSŐLSRMHQë
terminal on your controller. Connect the
GRVYRUN\&20QHER&RPPRQVYRUNRYQLFH
Black wire from the SMRT-Y user interface to
RYOiGDFtMHGQRWN\3ŐLSRMWHþ(51êYRGLÿRG
the controller’s COM terminal (see Figure 7).
MHGQRWN\ÿLGOD6057<NVYRUFH&20ÿL
&RPPRQ2VYRUNRYQLFHRYOiGDFt
MHGQRWN\]iYODK\YL]REU
WHUPLQiOXWUDQVIRUPiWRUXQD9YëVWXSYL]REU
Detailed
Procedure
Connect
the Black SMRT-Y wire to the common terminal on the controller. Disconnect the marked zone wire
3ŐLSRMWHþ(51êYRGLÿRG6057<NVYRUFH&202QDRYOiGDFtMHGQRWFH2GSRMWHR]QDÿHQëYRGLÿ
from
its terminal and connect it to the Red SMRT-Y wire. Connect the Green SMRT-Y wire to the terminal
Ii]HRGQDäHKRHOHNWURYHQLOX]HVYRUNRYQLFHDSŐLSRMWHKRNþ(59(1e08YRGLÿLRG6057<3ŐLSRMWH
from
where the zone wire was removed. Connect the Orange SMRT-Y wire to the 24 volt AC ‘hot spot’ or
=(/(1êYRGLÿRG6057<GRVYRUNRYQLFHRYOiGDFtMHGQRWN\WDPNGHE\OGŐtYHYRGLÿIi]HRG
transformer
terminal (see Figure 8).
HOHNWURYHQWLOX3ŐLSRMWH25$1å29êYRGLÿRG6057<N9+276327VYRUNDSRGQDSĚWtPQHERN
!
ÓYRGDU\FKOëSŐHKOHGNURNŢ
Overview
1DPRQWXMWHRYOiGDFtMHGQRWNX6057<QDVWĚQXYEOt]NRVWLRYOiGDFtMHGQRWN\]iYODK\3ŐLYHďWHNDEHORG
Mount the SMRT-Y user interface on the wall near the controller. Route the SMRT-Y cable to the controller.
6057<NMHGQRWFH]iYODK\2GSRMWHYäHFKQ\2YRGLÿHRGYHQWLOŢ]HVYRUN\&20RYOiGDFtMHGQRWN\
Disconnect all wires attached to the common terminal and re-connect them to the White SMRT-Y wire.
]iYODK\DSŐLSRMWHMHN%Ì/e08YRGLÿL6057<
NOTE: If there is more than one field common, connect all common wires to the White SMRT-Y
32=13RNXGRGHOHNWURYHQWLOŢSŐLFKi]tYtFH2QXORYëFKYRGLÿŢSŐLSRMWH9ã(&+1<N
wire.
%Ì/e08YRGLÿLRG6057<
6057<,QVWDODFHYODVWQtRYOiGDFtMHGQRWN\
SMRT-Y
User Interface Installation:
they are.
14
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
R]QDÿHQë7(67QHER+276327NWHUëMHWUYDOHSRG
9QDSĚWtP7\O]HURYQHæSRXætWSURSŐLSRMHQt
RUDQæRYpKRYRGLÿHRG6057<
2GSRMWH]GURM9NMHGRWFH]iYODK\DSŐLSRMWH
Unplug
the AC power supply and secure the
25$1å29êYRGLÿRG6057<NXUÿHQpPXYëVWXSX
Orange
wire in that terminal along with the
9QDRYOMHGQRWFH]iYODK\9RGLÿHRG
existing
wire. (Some controllers have a terminal
WUDQVIRUPiWRUXSRQHFKWH]DSRMHQ\
marked
‘TEST’ or ‘HOT SPOT’ that can be used to
32=11ĚNWHUpMHGQRWN\PDMtURYQĚæYëVWXS
connect
the Orange wire.)
!
NOTE: Be sure to unplug the power
32=18MLVWĚWHVHæHSRXUÿHQt
once you determine the correct 24V
VSUiYQpVYRUN\SURSŐLSRMHQt9
terminal. Do not disturb the power
MHGQRWNX]iYODK\RGSRMtWHRG9
supply wires connected to these
9RGLÿHRG9YëVWXSX]
terminals. Leave them connected as
WUDQVIRUPiWRUXMHGQRWN\QHRGSRMXMWH
Orange
25$1å29ê
wire
YRGLÿ
,77(&VSROVUR
'JHVSF
2EU
Be sure to connect the correct 24V terminal
3ŐLSRMWH25$1å29êYRGLÿN9YëVWXSX
3ŐLSRMWH25$1å29êYRGLÿRG6057<N
Connect the Orange wire from the SMRT-Y
MHGQRPX]HGYRXYëVWXSŢ9QDRYO
to one of the 24 VAC terminals on your
24V 24V COM
1 2 3 4 5 6
MHGQRWFH3URXUÿHQtNWHUë]HGYRXYëVWXSŢMH
controller. In order to determine which of
WHQVSUiYQëGRWNQĚWHVHRUDQæRYëPYRGLÿHP
the 24V terminals to connect the Orange
SRVWXSQĚRERX9YëVWXSŢWHQNWHUë
wire to, touch the Orange wire to each of
UR]VYtWtGLVSOHMMHGQRWN\6057<MHWHQ
them with the controller powered on (AC
VSUiYQë-HGQRWNDPXVtEëWSURWXWRRSHUDFL
adapter plugged in). Use the terminal which
SRGQDSĚWtPYL]REU
activates the SMRT-Y display (see Figure 8).
2GSRMWHIi]LY\EUDQpKRHOHNWURYHQWLOX
Disconnect the target zone wire identified
and marked earlier (zone #1 in figure 10).
QDSŐVHNFHQDREUDSŐLSRMWHKRN
Connect it to the Red wire of the SMRT-Y
þ(59(1e08YRGLÿLRG6057<SRPRFt
user interface with a wire nut (see Figure 10).
NDEHORYpKRNRQNWRUXYL]REU
Connect
the wire or wires you disconnected
1XORYëYRGLÿYRGLÿHNWHUpMVWHRGSRMLOLRG
from
the ‘COM’ terminal to the White wire
VYRUN\&20RYOiGDFtMHGQRWN\VSRMWHSRPRFt
from
the SMRT-Y cable using a wire nut (see
NDEHORYpKRNRQHNWRUXV%Ì/ê0YRGLÿHPRG
Figure
9).
6057<YL]REU
!
NOTE:
Some controllers do not
32=11ĚNWHUpRYOiGDFtMHGQRWN\
provide
internal access to the AC
YQLWŐQtYëVWXSQD9QHPDMt9
power
terminals. In this case a 24 volt
WDNRYpPSŐtSDGĚSRXæLMWHVDPRVWDWQë
AC
adapter is available at your local
99$&WUDQVIRUPiWRU-HGHQ]
sprinkler
supply store. You will need
YëVWXS]WUDIDSDNEXGHSŐLSRMHQN
to
connect one of the AC adapter
VYRUFH&20MHGQRWN\]GHEXGHL
wires
to the COM terminal (which
ÿHUQëYRGLÿRG6057<GUXKëYëVWXS]
will
also have the Black wire from
WUDIDVSRMWHVRUDQæRYëPYRGLÿHPRG
the
SMRT-Y attached) and the other
6057<
adapter wire connects to the Orange
wire coming from the SMRT-Y.
þ(59(1ê
YRGLÿ
2
Red wire
1
'JHVSF
2EU
COM
3
3
connector
2
Wire
.RQHNWRU
1
'JHVSF
2EU
COM
5
6
5
6
,77(&VSROVUR
15
“Hot Wire”
)i]HRGHOYHQWLOX
for the sensor
NHNWHUpPX
zone
SŐLSRMXMHPHVQtPDÿ
4
YRGLÿ
Common
wire
1XORYë2
4
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
24V 24V
White
%Ì/ê
wire
YRGLÿ
24V 24V
16
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
%ODKRSŐHMHPHLQVWDODFHMHKRWRYD
Congratulations,
you are done
(OHNWULFNpYRGLYRVWL(&
with the installation!
=NRQWUROXMWHURYQĚæKRGQRW\7HSORW\SŢG\D
Turn
on the controller and allow the SMRT-Y
=DSQĚWHRYOiGDFtMHGQRWNX]iYODK\GLVSOHM
user
interface to take a soil moisture reading.
QD6057<VHUR]VYtWtþLGORSŢGQtYOKNRVWL
The
reading should appear in the display
]PĚŐtSŢGQtYOKNRVWD]REUD]tMLQDGLVSOHML
after
4-5 seconds. If the reading is zero the
6057<EĚKHPVHNXQG3RNXGMH
wiring
to the sensor is not correct and will
]REUD]HQiKRGQRWDMH]DSRMHQtÿLGOD
need
to be reviewed and corrected. If the
QHVSUiYQpDMHWŐHEDYäHFKQ\NURN\]DSRMHQt
reading
is not zero, the wiring is correct and
]QRYXSURMtWD]DSRMHQtRSUDYLW3RNXGMH
you
may finish up the grease cap installation
KRGQRWDUŢ]QiRGMH]DSRMHQtVSUiYQpD
on
the sensor wiring. Verify soil Temperature
MHPRæQRQD9ã(&+1<YHQNRYQtNDEHORYp
and
soil Electrical Conductivity as well.
VSRMHLQVWDORYDWYRGRWĚVQpNRQHNWRU\
3ŐLSRMWH=(/(1êYRGLÿRG6057<NVYRUFH
Connect
the Green wire from the SMRT-Y
VHNFHGRNWHUpE\OSŢYRGQĚSŐLSRMHQHO
user
interface to the zone terminal, where
YHQWLOSURSRMHQëVHVQtPDÿHPYOKNRVWLQD
the
marked zone wire was originally
QDäHPSŐtNODGXMHWRVHNFHYL]REU
connected
(see Figure 11).
24V 24V
COM
3
4
5
6
,77(&VSROVUR
Green
wire
=(/(1êYRGLÿ
2
'JHVSF
2EU
1
3URQDVWDYHQtSRæDGRYDQp~URYQĚYOKNRVWLVWODÿWH
To
set the moisture threshold, press and hold Read
DGUæWHWODÿtWNR5($'6(16257ODÿtWNHP6RLO
Sensor
then toggle the Soil Temp button to increase
the
threshold or the Soil EC button to decrease the
7HPSKRGQRWXKODGLQ\YOKNRVWL]Y\äXMHPH
threshold
(see page 23).
WODÿtWNHP6RLO(&MLVQLæXMHPHURYQĚæYL]VWU
1DVWDYHQt~URYQĚYOKNRVWL
Set
the Moisture Threshold
QDPĚŐHQRXKRGQRWX
The
SMRT-Y displays the last moisture reading
6057<]REUD]XMHSRVOHGQtÿWHQtKRGQRW\SŢGQt
(taken
every 10 minutes). To take a current moisture
YOKNRVWLMHDNWXDOL]RYiQRNDæGëFKPLQXW
reading,
press Read Sensor. The display will show
$NWXiOQtKRGQRWX]MLVWtWHVWODÿHQtPWODÿtWND5($'
“-6(1625'LVSOHM]REUD]tQHMGŐtYHSRWp
- -“ then, display the current moisture.
2GHÿWHQtKRGQRW\SŢGQtYOKNRVWL
Take
a Moisture Reading
60571DVWDYHQtDRYOiGiQt
SMRT-Y
Operation
DECREASE
Soil
EC
PRESS
DECREASE
Soil
EC
PRESS
OR
1HER
INCREASE
Soil
Temp
HOLD
INCREASE
Soil
Temp
HOLD
,77(&VSROVUR
17
Bypass
Sensor
Bypass
Sensor
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
'UæHW
HOLD
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
18
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
WODÿtWNHP6RLO(&SDNMHGQRWN\PŢæHWHVQDGQR
SŐHStQDW
To
change from degree Fahrenheit to Celsius, hold
3UR]PĚQXMHGQRWHN]REUD]HQtWHSORW\SŢG\]ƒ)
Soil
Temp and toggle Soil EC.
QDƒ&DQDRSDNVWODÿWHDGUæWH6RLO7HPS
=PĚQDMHGQRWHNPĚŐHQtWHSORW\
Change
Temperature Format
6RLO7HPS
To
view the soil temperature, press Soil Temp.
3UR]REUD]HQtWHSORW\SŢG\VWODÿWHWODÿtWNR
2GHÿWHQtKRGQRW\WHSORW\SŢG\
View
Soil Temperature
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
'UæHW
HOLD
INCREASE
Soil
Temp
HOLD
INCREASE
Soil
Temp
HOLD
Bypass
Sensor
Bypass
Sensor
,77(&VSROVUR
DECREASE
Soil
EC
PRESS
DECREASE
Soil
EC
PRESS
ÿLQQRVWDXWRPDWLFNpKRRYOiGDiQt]iYODK\QLMDN
RYOLYŁRYDWDÿLGOREXGHWDNGHDNWLYRYiQR
While in this mode, actions from your controller will
9WRPWRSURYR]QtPVWDYXQHEXGHÿLGORSŢGQtYOKNRVWL
not be inhibited by the SMRT-Y user interface.
In order to do this, press the Bypass Sensor button.
3URWHQWR~ÿHOVWODÿWHWODÿtWNR%\SDVV6HQVRU
The “BYPASS SENSOR” icon on the display will slowly
QiSLV%<3$666(1625QDGLVSOHMLEXGHSRPDOX
turn on and off.
EOLNDW
0DQXiOQt]DYODæRYiQtSŐHNOHQXWtÿLGOD
Manual Watering/Bypass
3RNXGVLSŐHMHWHSURYpVWWHVWYDäHKR]DYODæRYDFtKR
If you wish to test your sprinkler system, or manually
V\VWpPXQHERPDQXiOQĚ]DYODæRYDWEXGHSRWŐHED
water a zone, you will need to bypass the sensor
SŐHNOHQRXWÿLGORSŢGQtYOKRVWLDE\QHSŐHUXäRYDOR
function so that it will not interrupt the power to
ÿLQQRVWRYOiGDFtMHGQRWN\]iYODK
your valves.
Press Soil EC to view current soil Electrical
3UR]REUD]HQtKRGQRW\HOHNWULFNpYRGLYRVWLSŢG\(&
Conductivity (EC).
VWODÿWHWODÿtWNR6RLO(&
2GHÿWHQtKRGQRW\HOHNWULFNpYRGLYRVWLSŢG\
View Soil EC
INCREASE
Soil
Temp
HOLD
INCREASE
Soil
Temp
HOLD
DECREASE
Soil
EC
PRESS
DECREASE
Soil
EC
PRESS
,77(&VSROVUR
19
Bypass
Sensor
Bypass
Sensor
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
VIEW THRESHOLD HOLD
Read
Sensor
TEMP. ºF or C
20
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
3RNXGMHYOKNRVWYSŢGĚ32'QDVWDYHQRX~URYQt
When the soil moisture is below the moisture
YOKNRVWLMH]REUD]HQQiSLV:DWHULQJ$OORZHG
threshold, the ‘Watering Allowed’ icon appears. This
]DYODæRYiQtSRYROHQR7HQWRQiSLVMH]REUD]HQ
icon is also displayed when the ‘BYPASS SENSOR’
URYQĚæSRNXGMHÿLGORSŐHNOHQXWRIXQNFt%<3$66
is activated. Your system will irrigate normally.
6(16256\VWpPEXGH]DYODæRYDWGOH
QDSURJUDPRYDQëFKKRGQRW
=DYODæRYiQtSRYROHQR
Watering
Allowed
=DYODæRYiQtSR]DVWDYHQR
Suspending
Watering
3RNXGYOKNRVWYSŢGĚSŐHNURÿLODQDVWDYHQRX
When
the moisture in the soil is above the moisture
~URYHŁ]REUD]tVHQiSLV6XVSHQGHG:DWHULQJ
threshold,
the ‘Suspended Watering’ icon appears.
SR]DVWDYHQp]DYODæRYiQt6\VWpPQHEXGH
Your
system will not irrigate.
]DYODæRYDW
Watering
History
+LVWRULH]DYODæRYiQt
'LVSOHMMHGQRWN\6057<]REUD]XMHSRVOHGQtFK
The
SMRT-Y user interface displays the past 7
]DYODæRYDFtFKF\NOŢ3RNXGE\ORÿLGOHP]DYODæRYiQt
watering
attempts. If the SMRT-Y allowed watering,
aXPRæQĚQRMHWRWRLQGLNRYiQRNDSNRXSRNXGE\OR
drop is displayed. If the system was suspended,
it]DYODæRYtSR]DVWDYHQRMHRNpQNRYROQpEH]
will be blank. ‘Today’ indicates the most current
R]QDÿHQt+RGQRWD7RGD\'QHVR]QDÿXMH
watering
cycle. The history updates 30 minutes
SRVOHGQt]DYODæRYDFtF\NOXV+LVWRULHMH
after
each cycle.
DNWXDOL]RYiQDPLQSRNDæGpP]iYODKRYpPF\NOX
,77(&VSROVUR
21
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
7DEXONDQDQiVOHGXMtFtVWUDQĚQDEt]tMHGQRGXFKë]SŢVREMDNXUÿLWGRE\]DYODæRYiQtYHYDäHPV\VWpPX-H
]DORæHQQDYëäHXYHGHQëFKYëSRÿWHFK3RNXG]PĚŐtWHSROQtNDSDFLWXYDätSŢG\YL]GDOätVWUDQDPŢæHWH
SRXætWWDEXONXSURXUÿHQtGRE\]DYODæRYiQt-HWŐHED]QiWW\SLQVWDORYDQëFKSRVWŐLNRYDÿŢDMHMLFKVUiæNRYp
YëäN\
The chart on the next page offers a simple way to set watering times for all zones in your system. It is based
on the formulas given above. After you have measured the Field Capacity of your soil (see next page), you can
7PLQ [3535SRVWŐLNRYDÿH [ PLQ
use the chart to find watering times for your zones. You will need to know the type of sprinkler heads installed
and their precipitation rates.
]iYODK\
If your Effective Precipitation Rate for the example above is 0.5 inches per hour, then the minutes watering
3RNXG]QiWHVUiæNRYpYëäN\YDäLFKSRVWŐLNRYDÿŢQDSŐPPKRGVQDGQRXUÿtWHSRWŐHEQRXGREX
time is 60 * 0.4 / 0.5 = 48 minutes.
35 [[ PP
Run time minutes = 60 * Inches / Effective Precipitation Rate
If you know the effective precipitation rate of your sprinklers, then the watering time is given by:
3RNXGMHQDSŐSROQtNDSDFLWDD]DYODæXMHWHGRKOPPSDNMHSRWŐHEQpPQRæVWYtYRG\
35PP
is 0.2 * 0.25[3ROQtNDSDFLWD[KORXENDPP
* 8 = 0.4 inches
If your Field Capacity is 25% and you are watering to a depth of 8 inches, then the amount of water needed
0QRæVWYtYRG\SRWŐHEQpSUR]YëäHQtSROQtNDSDFLW\]QDMHGiQRY]RUFHP
Inches of water = 0.2 * Field Capacity * depth
3ROQtYRGQtNDSDFLWDXGiYiQHMYĚWätPQRæVWYt]DYĚäHQpYRG\NWHUpPŢæHSŢGDSRMPRXWD]DGUæHWSR
Field Capacity is the amount of water your soil will hold at equilibrium. The amount of water required to bring
GHOätGREXNDSLOiUQtPLSyU\WMSyU\RSUŢPĚUXPHQätPQHæPP
the moisture content of the soil from 80% of Field Capacity to 100% of Field Capacity is given by the formula:
6057<1DVWDYHQtSURJUDPX
Setting
the Watering Schedule
ROTORS
52725<
36%
32%
28%
24%
20%
16%
12%
8%
58
52
45
39
32
26
19
13
11
11
16
20
34
48
88
300
25
25
25
19
4
0
0
0
29
26
23
19
16
13
10
6
5
5
7
8
11
13
17
21
25
25
25
24
13
13
9
6
95
84
74
63
53
42
32
21
15
15
19
22
25
30
33
37
25
21
12
4
0
0
0
0
52=35$ã
527$þ1Ì
POP-UP SPRAYS
ROTARY NOZZLE
75<6.<
75<6.<
9VDN
9VDN
Soak Time
Soak Time
Total
Total
&HON
&HON
Run
Run
Run
Run
Soak
7PD[
6Soak
PD[ 6Min.
PLQ GRED
PLQ
Minutes
Minutes
Max.
GRED 7Max.
Min.
22
t
t
t
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
PHWRGXYtFHVWDUWRYDFtFKÿDVŢ
,77(&VSROVUR
Match
your zone sprinkler head type and Field Capacity. If your pop-up sprayer zone has 35% Field
6ODďWHW\S\]iYODK\YHVOHGRYDQp]yQĚVHNFLVQDPĚŐHQRXKRGQRWRXSROQtNDSDFLW\3Ő9DäH]yQD
Capacity
and your moisture threshold is 28%, your total run time is 23 minutes. Set your controller to
VUR]SUDäRYDFtPLSRVWŐLNRYDÿLPiSROQtNDSDFLWXDQDVWDYHQRXKODGLQXYOKNRVWLSDNMH
irrigate
a total of 23 minutes, using a soak cycle with a maximum ‘on’ time of 7 minutes and a minimum
FHONRYiGRED]iYODK\PLQXW1DVWDYWHRYOiGDFtMHGQRWNXQDFHONRYRXGREX]iYODK\PLQ
‘soak’
time of 25 minutes.
PD[LPiOQtGRED]iYODK\EXGHYäDNPLQDPLQLPiOQtGREDYVDNRYiQtPLQ3URWRWRSRXæLMWH
7Soak
MHPD[LPiOQtGRED]iYODK\PLQQHæGRMGHNHY]QLNXSRYUFKRYpKRRGWRNX
Run Maximum is minutes allowed before surface accumulation causes runoff
PD[Time
6PLQTime
MHPLQLPiOQtGREDYVDNRYiQtPLQQXWQiNDEVRUERYiQtQDSRYUFKXDNXPXORYDQpYRG\
Soak
Soak Minimum is minutes of soaking required to absorb surface accumulation.
KRGQRW\SROQtNDSDFLW\
to
Field Capacity
t Total
&(/.'2%$MHFHONRYiGRED]iYODK\QXWQiNGRGiQtYOKNRVWLRGY\]QDÿHQp~URYQĚYOKNRVWLGR
Run Minutes is total run time required to bring moisture from the indicated moisture threshold
45%
40%
35%
30%
25%
20%
15%
10%
9VDN
Soak
Time
Moisture
Total
Field
3ROQt
+ODGLQD
&HON
Threshold
Run
Run
Soak
Capacity
7Max.
PD[ 6Min.
PLQ
Setting
Minutes
NDSDF YOKNRVWL
GRED
'RSRUXÿHQp
Irrigation
Run-time
Guide
GRE\]DYODæRYiQt
,77(&VSROVUR
This can be accomplished with a 5 gallon bucket of water or a garden hose. The next morning, before the
3ŐtäWtGHQUiQRGŐtYHQHæQDSURVWRUÿLGOD]DÿQHVYtWLWSŐtPRVOXQFHRGHÿWĚWHQDGLVSOHML6057<KRGQRWX
direct sunlight reaches the sensor location, take a moisture reading by pressing the ‘Read Sensor’ button. This
YOKNRVWLWODÿtWNHP5HDG6HQVRU7DWRKRGQRWDMHSROQtNDSDFLWDYDätSŢG\,GHiOQtQDVWDYHQt~URYQĚ
reading is your soil’s Field Capacity. Your ideal moisture threshold setting should be 80% of Field Capacity.
YOKNRVWLSDNEXGH]RGHÿWHQpKRGQRW\SROQtNDSDFLW\
0HWRGDDXWRPDWLFNpKRVOHGRYiQt
Automatic Moisture Threshold Method
KODGLQ\YOKNRVWL
Near
sundown, soak the soil around the sensor to saturation
7ĚVQĚSŐHG]iSDGHPVOXQFH]DOLMWHGŢNODGQĚSURVWRUNROHP
with a 5 gallon bucket. Set your controller to irrigate at 5:00
VQtPDÿHYOKNRVWL-HGŢOHæLWpDE\E\ODSORFKDQDViNOiWDN
am the following morning.
æHYRGDVWRMtQDSRYUFKX1DVWDYWHRYOiGDFtMHGQRWNX
]iYODK\QDSŐtäWtUiQR
TEMP. ºF or C
HOLD
PRESS
Finally, simultaneously press and hold both the ‘Read
3RWpQDMHGQRWFH6057<VWODÿWHDVRXÿDVQĚGUæWHWODÿtWND
Sensor’ and ‘Soil Temp’ buttons while you depress and
Read
Soil
Soil
Bypass
5HDG6HQVRUD6RLO7HPS6RXÿDVQĚVWODÿWHDSXVŘWH
Sensor Temp
EC
Sensor
release the ‘Soil EC’ button once. The Suspended Watering
WODÿtWNR6RLO(&+OiäHQt6XVSHQGHG:DWHULQJD
mode and Watering Allowed mode will start blinking.
VIEW THRESHOLD HOLD
INCREASE
DECREASE
$OORZHG:DWHULQJ]DÿQRXVWŐtGDYĚEOLNDW
When your controller attempts to irrigate the following
HOLD
HOLD
'UæHW
'UæHW
morning, the SMRT-Y will take a measurement and
$æVHSŐtäWtKRUiQDSRNXVtMHGQRWNDVSXVWLW]iYODKX
automatically set your moisture threshold to 80% of Field
6057<SURYHGHPĚŐHQtYOKNRVWLDDXWRPDWLFN\QDVWDYt
Capacity.
~URYHŁYOKNRVWLQDSROQtNDSDFLW\
23
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
that the water is standing on the surface.
0HWRGDSROQtNDSDFLW\
Field
Capacity Method
7ĚVQĚSŐHG]iSDGHPVOXQFH]DOLMWHGŢNODGQĚSURVWRUNROHPVQtPDÿHYOKNRVWL-HGŢOHæLWpDE\E\ODSORFKD
Near sundown, soak the soil to saturation in the area of the sensor. It is important that the area is very wet so
QDViNOiWDNæHYRGDVWRMtQDSRYUFKX
.DæGiWUiYQtNRYiSORFKDPiXQLNiWQtYODVWQRVWLDFKRYiQt9GDOätPWH[WX9iVVH]QiPtPHVQHMOHSätP
Each lawn is different. Your Field Capacity and moisture threshold are unique. The following is the best
]SŢVREHPMDNXUÿLWLGHiOQtQDVWDYHQt~URYQĚYOKNRVWL6DPR]ŐHMPĚMHPRæQpKRGQRW\QDVWDYHQtY
method to determine your ideal moisture threshold setting. Remember that you can adjust your moisture
EXGRXFQXNG\NROLY]PĚQLW
threshold at any time.
8UÿHQtSROQtNDSDFLW\D~URYQĚYOKNRVWL
Calculating Field Capacity / Moisture Threshold
24
6057<þLGORSŢGQtYOKNRVWL
SMRT-Y Soil Moisture Sensor
,77(&VSROVUR
3ŐHQDVWDYWHGRE\]DYODæRYiQtSRPRFtWDEXON\QDVWU3URSRXæLWtWpWRWDEXON\EXGHWHSRWŐHERYDW
Re-set the zone run times by referring to the run-time chart and instructions. To use the chart you will
need the moisture threshold setting obtained in the previous step and the precipitation rates of the
KRGQRWXYOKNRVWL]SŐHGFKR]tKRNURNXW\S\SRVWŐLNRYDÿŢDVUiæNRYpYëäN\YäHFKVHNFt]yQ
zones.
3RæDGRYDQiKRGQRWDKODGLQ\YOKNRVWLMHXUÿHQDEĚKHPSHULRG\DXWRPDWLFNpKRQDVWDYHQt3RWpFR
The
watering moisture threshold is determined during the auto-set period. Sometime after the
MHGQRWNDGRNRQÿtUDQQt]DYODæRYiQtVWODÿWH5HDG6HQVRUQDMHGQRWFH6057<D]MLäWĚQRX
first
controller run, press the ‘Read Sensor’ button on the SMRT-Y user interface to view the watering
KRGQRWXVLSR]QDÿWH=REUD]HQiKRGQRWDMH~URYHŁYOKNRVWLYNRŐHQRYp]yQĚNWHUiMHäWĚSRYROt
moisture
threshold. The displayed number is the moisture level in the root zone that will permit
]DYODæRYiQt
irrigation.
'RSRUXÿHQiNRQWUROD
Recommended
Follow-up
3URVWRUVQtPDÿHVHQ]RUXGŢNODGQĚSUROLMWHYRGRXVWHMQĚWDNLWUDYQtGUQQDGUëKRXSURSURSRMRYDFt
Flood the sensor area with a five gallon bucket of water prior to leaving the property. Also flood the slit
trench marks in the sod.
NDEHO
8MLVWĚWHVHæHLNRQD%\SDVV6HQVRUYOHYpPKRUQtPURKXGLVSOHMHQHEOLNiSRNXGDQRVWODÿWH
Ensure ‘Bypass Sensor’ is not flashing in upper left corner of the LCD display. If flashing, press ‘Bypass
Sensor’ button to allow Soil Moisture Sensor operation.
%\SDVV6HQVRUSURDNWLYDFLÿLQQRVWLÿLGOD
8MLVWĚWHVHæHRYOiGDFtMHGQRWNDVSXVWt]iYODKXSŐtäWtUiQRGŐtYHQHæVOXQFH]DÿQHVYtWLWQDSORFKX
Ensure the controller is set to run the next morning before the sun shines on the sensor area. This
interval defines the auto-set period.
VHVQtPDÿHPVHQ]RUX7HQWRLQWHUYDOGHILQXMHSHULRGXDXWRPDWLFNpKRQDVWDYHQt
$NWLYXMWHDXWRPDWLFNpQDVWDYRYiQt~URYQĚYOKNRVWLQDMHGQRWFH6057<6WODÿWHDVRXÿDVQĚGUæWH
Set the auto-threshold-set feature on the SMRT-Y user interface by simultaneously pressing in and
holding the “Read Sensor” and “Soil Temp” buttons and then pressing the “Soil EC” button once. If you
WODÿtWND5HDG6HQVRUD6RLO7HPS6RXÿDVQĚVWODÿWHDSXVŘWHWODÿtWNR6RLO(&+OiäHQt
have set the feature properly the ‘Suspended’ icon and ‘Allowed’ icon will alternately flash. These icons
6XVSHQGHG:DWHULQJD$OORZHG:DWHULQJ]DÿQRXVWŐtGDYĚEOLNDW7\WRLNRQ\EXGRXEOLNDW
will continue to flash until the threshold has been automatically set.
GRNXGQHEXGHDXWRPDWLFN\QDVWDYHQD~URYHŁYOKNRVWL
'RE\]DYODæRYiQtSURYäHFKQ\VHNFHSRQHFKWHQDKRGQRWiFKNWHUpPĚOQDVWDYHQpXæLYDWHO
Set the zone watering times as they were previously set by the contractor or homeowner.
2YOiGDFtMHGQRWNX]iYODK\QDVWDYWHYHYäHFKVHNFtFKQDIUHNYHQFLNWHURXSRXætYiWHYQHMWHSOHMätP
Set the controller to water all the zones at the highest frequency expected during the peak of the
OHWQtPSRÿDVt7RPŢæHEëWLQD]iYODKXNDæGëGHQ
season. This may be every day.
System
Setup
60571DVWDYHQtV\VWpPX
LQVWDORYDWYRGRWĚVQpNRQHNWRU\
25
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
=DSQĚWHRYOiGDFtMHGQRWNX]iYODK\GLVSOHMQD6057<VHUR]VYtWtþLGORSŢGQtYOKNRVWL]PĚŐtSŢGQt
Turn on the controller and allow the SMRT-Y user interface to take a soil moisture reading. The reading
should appear in the display after 4-5 seconds. If the reading is zero the wiring to the sensor is not
YOKNRVWD]REUD]tMLQDGLVSOHML6057<EĚKHPVHNXQG3RNXGMH]REUD]HQiKRGQRWDMH
correct and will need to be reviewed and corrected. If the reading is not zero, the wiring is correct and
]DSRMHQtÿLGODQHVSUiYQpDMHWŐHEDYäHFKQ\NURN\]DSRMHQt]QRYXSURMtWD]DSRMHQtRSUDYLW3RNXGMH
you may finish up the grease cap installation on the sensor wiring.
KRGQRWDUŢ]QiRGMH]DSRMHQtVSUiYQpDMHPRæQRQD9ã(&+1<YHQNRYQtNDEHORYpVSRMH
3RNXGFKFHWHSŐHNOHQRXWYOLYÿLGODLQDGDOätGUXKpVHNFLSŐLSRMWH+1ę'êYRGLÿRG6057<GR
If you have a second zone to run independently of the moisture sensor, connect the Brown wire
from the SMRT-Y user interface to the second terminal. Now these two zones will run independent of
VYRUN\GUXKpKRHOHNWURYHQWLOX1\QtQH]iYLVOHQDÿLGOXYOKNRVWLEXGRXSUDFRYDWGYĚVHNFH
moisture sensor.
!
32=11\QtEXGRXYWDNRYpVYRUFHSŐLSRMHQ\GYDYRGLÿH02'5êYRGLÿRG6057<DVHNÿQt
NOTE:
There will now be two wires connected to this terminal; a Blue wire going to the SMRT-Y
YRGLÿRGHOHNWURYHQWLOX
user
interface and a zone wire going to the valve.
3ŐLSRMWH02'5êYRGLÿRG6057<GRVWHMQpVYRUN\MDNRMHSŐLSRMHQDVHNFHNWHURXFKFHWH
Strip the wires and connect the Blue wire from the SMRT-Y user interface to the same terminal as the
zone wire.
SURYR]RYDWEH]YOLYXÿLGOD
3RYROWHäURXEVYRUNRYQLFHRYOiGDFtMHGQRWN\]iYODK\QDSŐHGPĚWQpVHNFL
Loosen the screw that connects such zone wire to your controller.
How
to connect them:
-DNV\VWpP]DSRMtPH"
8UÿHWHNWHUpVHNFH]DSDGDMtGRWDNRYpWRNDWHJRULH3R]QDPHQHMWHVLGRMDNëFKVYRUHNMVRXW\WR
Identify
the zone(s) that fit into this category. Note which terminal(s) they are connected to on your
VHNFHQDMHGQRWFH]iYODK\SŐLSRMHQ\
controller.
0ŢæHVHVWiWæHPiWHYV\VWpPXVHNFHNWHUpFKFHWH]DYODæRYDWEH]YOLYXVHQ]RUXYOKNRVWL0ŢæHMtWQDSŐR
You may have zones you wish to water regardless of the moisture level measured by your sensor. For example,
VNDOQLÿNRYRX]yQXQHERVHNFLVOHWQLÿNDPLDSRG.MHGQRWFH6057<PŢæHWHSŐLŐDGLWDæGYĚWDNRYpVHNFH
a flower bed drip or a desert landscaping zone. The SMRT-Y can accommodate up to two such zones.
$OWHUQDWLYQt]DSRMHQtSURNYĚWLQRYp]iKRQ\PLNUR]iYODKX
Optional wiring for Xeriscape or flower beds
26
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
,77(&VSROVUR
either the ‘Suspended’ or ‘Allowed’ mode. The 30 minute timeout requirement will be reset so that the
QHER3R]DVWDYHQR6XVSHQGHGPLQSRYLQQiSDX]DYWRPWRSŐtSDGĚEXGHUHVHWRYiQDDNH
mode change will occur immediately.
]PĚQĚVWDYXGRMGHQHSURGOHQĚ
'ORXKRGREpY\VWDYHQtGLVSOHMHMHGQRWN\6057<VOXQHÿQtPX]iŐHQtPŢæHWHQWRSGLVSOHMWUYDOH
Long-term
exposure to direct sunlight could damage the SMRT-Y LCD display. Use the protective cover
SRäNRGLW9SŐtSDGĚLQVWDODFHQDSŐtPpPVOXQHÿQtPVYĚWOHSRXæLMWHRFKUDQQëNU\WREUGRGiYDQë
(see
Figure 12) when installed in direct sunlight.
VMHGQRWNRX6057<
t 3RREQRYHQtQDSiMHQt6057<LKQHGSURYHGHRGHÿWHQtYOKNRVWLDQDVWDYtVWDY3RYROHQR$OORZHG
When power is restored the SMRT-Y user interface will immediately take a moisture reading and set
interface may be disabled. If this occurs, the display will go blank and the user interface will cease to
QDSiMHQtMHGQRWN\6057<EXGHSŐHUXäHQR'LVSOHMQHEXGHQLF]REUD]RYDWDÿLGORSŢGQtYOKNRVWL
function until the rain sensor has dried out. The SMRT-Y programming will not be lost. Even if the user
EXGHPLPRSURYR]GRNXGÿLGORVUiæHNQHY\VFKQH1DVWDYHQt6057<VHXFKRYi'RNRQFHLNG\æ
interface was in bypass mode, that mode will be restored when power is reapplied.
6057<EXGHYPRGX%<3$66WRWRQDVWDYHQtVH]DFKRYiSRREQRYHQtQDSiMHQt
t þLGORVUiæHN56'%([SŐLSRMWHNHVYRUNiPVHQ]RUXYRYOiGDFtMHGQRWFHGOHSRN\QŢNRYOMHGQRWFH
Connect the Rain Sensor to the sensor terminals inside your controller as directed.
t þLGORSŢGQtYOKNRVWL6057<SŐLSRMWHNV\VWpPXGOHWRKRWRQiYRGX
Connect the SMRT-Y user interface to the controller as described in this manual.
t 3RNXGEXGHGHäWĚPÿLGORVUiæHNDNWLYRYiQREXGHSŐHUXäHQREYRGYQXORYpPYRGLÿXLV\VWpPXD
When the rain sensor is activated, the common wire will be disrupted and the power to the SMRT-Y user
þLGORSŢGQtYOKNRVWLO]HSURYR]RYDWVRXÿDVQĚVÿLGOHPVUiæHN56'%([6\VWpPEXGHSUDFRYDW
This SMRT-Y Soil Moisture Sensor can be used with a Rain Bird Rain Sensor (part number: RSDBEX). The
system will operate as follows:
QiVOHGXMtFtP]SŢVREHP
þLGORSŢGQtYOKNRVWLMHPRæQRSRXætWLQDLQVWDODFtFKNGHMHVSRXäWĚQRQĚNROLNVHNFtQHER
You can use this Soil Moisture Sensor with installations running multiple stations or valves
HOHNWURYHQWLOŢVRXÿDVQĚ
simultaneously.
þLGORSŢGQtYOKNRVWLMHPRæQRSRXætWLWDPNGHMHÿHUSDGORVSRXäWĚQRSŐHVUHOp]RYOMHGQRWN\
This Soil Moisture Sensor is compatible with installations using pump start relays.
=YOiäWQtSR]QiPN\
Special
Notes
SMS Cover
.U\WMHGQRWN\6057<
'JHVSF
2EU
27
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
28
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
,77(&VSROVUR
· YRGLÿ&20RGSRMHQ
· 3ŐLSRMWH&20YRGLÿ
The COM wire is disconnected.
Check the COM wire connection.
· The
=NRQWUROXMWH]DSRMHQtMHGQRWN\6057<
SMRT-Y user interface Green · Check
all SMRT-Y user interface wiring.
=HOHQëQHERÿHUYHQëYRGLÿ
There
is no
9UHæLPX
change
in the sys]DYODæRYiQt
tem’s
watering.
QHQtæiGQi
]PĚQD
or
Red wire is not connected to
RG6057<QHQtSŐLSRMHQGR
VSUiYQpVHNFH
the
correct zone.
-HGQRWND]iYODK\QHQDVWDYHQD
· Your controller is not set.
· =NRQWUROXMWHQDVWDYHQtRYOMHGQRWN\]iYODK\
Be sure your controller is set and running.
·9OKNRVWSŢG\QHQtSRG
The soil moisture is not below
·2GHÿWĚWHKRGQRWXYOKNRVWL3RNXGMHQDG
Take a soil moisture reading. If the reading is above the
QDVWDYHQRXKODGLQRXYOKNRVWL
QDVWDYHQRXKODGLQRXV\VWpPQH]DYODæXMHV
the moisture threshold setting.
threshold, the system should not be watering due to
RKOHGHPQDGRVWDWHÿQRXYOKNRVW
sufficient moisture level.
VLSURMGĚWHPDQXiO,167$/$&(þ,'/$
INSTALLATION section.
· Check
all connections to the sensor and from the SMRT-Y
=NRQWUROXMWHYäHFKQDSURSRMHQtVQtPDÿHD6057<
DRYOiGDFtMHGQRWN\]iYODK\
user
interface to your controller.
· =NRQWUROXMWH]GDMH5DLQ6HQVRUDNWLYRYiQ=QRYX
Verify if Rain Sensor is activated. Review the SENSOR
The
system is not
6\VWpP
watering.
QH]DYODæXMH
þLGORMHRGSRMHQR
sensor is disconnected.
The
display shows · The
'LVSOHM
“00”
]REUD]XMH
· The power is not connected.
· 2EQRYWHQDSiMHQtMHGQRWN\6057<RUDQæRYëP
-HGQRWND6057EH]QDSiMHQt
Re-establish power to the SMRT-Y user interface by
YRGLÿHPN9VYRUNiPMHGQRWN\]iYODK\
· The controller is not plugged in.
-HGQRWND]iYODK\EH]QDSiMHQt
connecting the Orange wire to the correct 24 VAC terminal
· Rain Sensor has been activated
$NWLYQtÿLGORVUiæHN
on your controller.
·2EQRYWHQDSiMHQtRYOiGDFtMHGQRWN\]iYODK\
Plug in the power cord on your controller.
The display is
'LVSOHMQLF
blank.
QH]REUD]XMH
1iSUDYD
Correction
0RæQiSŐtÿLQD
Possible Cause
3Őt]QDN
Symptom
Troubleshooting
ŏHäHQtSUREOpPŢ
29
,77(&VSROVUR
SMRT-Y Soil Moisture Sensor
6057<þLGORSŢGQtYOKNRVWL
9VRXODGXV(YURSVNRXVPĚUQLFt&(DQRUPRX
In compliance
with European directive 2002/96/CE and nom
(1WRWR]DŐt]HQtQHVPtEëWXORæHQRGRVPĚVQpKR
EN50419:2005,
this device must not be thrown away with
RGSDGX=DŐt]HQtPXVtEëWVRKOHGHPQDUHF\NODFLOLNYLGRYiQR
household
garbage. The device must be the object of an
appropriate,
selective removal procedure in order to recuperate it.
YKRGQëPVHOHNWLYQtP]SŢVREHP9DäHVSROXSUiFHSRGSRUXMH
YourUHVSHNWNæLYRWQtPXSURVWŐHGtDRFKUDQXSŐtURGQtFK]GURMŢ
cooperation will contribute to the respect for the environment
and the protection of our natural resources.
05/09
®
®
®
P/N: 177627 Rev. B
© 2009 Rain Bird Corporation
Registered trademark of Rain Bird Corporation
Marca registrada de Rain Bird Corporation
Marque commerciale déposée de Rain Bird Corporation
Rain Bird Irrigation Corporation
Accessories Division
6991 Southpoint Road
Tucson, AZ 85756
www.rainbird.com
ZZZNYDOLWQL]DYODKDF]
ZZZLWWHFF]
The Intelligent Use Of Water
El uso
inteligente del agua
,77(&VSROVUR
Pour un usage efficace de l’eau