INSTRUCTION FOR UNILET SEALING FITTINGS APPROVED FOR

INSTRUCTION FOR UNILET SEALING FITTINGS APPROVED FOR USE WITH: APPLETON. wiko® A AND CROUSE-HINDS Chico® A SEALING CEMENT • The National Electrical Code in ArtJcle 50 1 Section 501.15 Class I. Division 1 and 2, requires that seals be installed in spec c
locations. This is to prevent the passage of gases, vapors or flames th rough the conduit from one portion of the electricalmsta ­
lion to another portion .
• Appleton sealillg unilers are UL listed for use in hazardous locations with Appleton Kwiko A compound or Crouse Hinds Chico
A compound onI These compounds, when properly mixed and poured, hardens into a dense and strong mass which is insoluble in
water, i not a
ed by petroleum products and is not softened by heal
• The fOllowing sealing ~ series are UL listed for use with Appleton Kwiko A or Chiro A sealing co pounds:
EYF, EYF-AL, EYM EYM·AL EYDM EYDM-AL, EYD, EYS, EYSF, EYSF-AL, EYSM, EYSM-AL, ESUF, ESUM
WARNING:
Failure to follow safety instructions may
cause ignition of hazardous atmosphere
resulting in serious personal injury and I or
property damage.
STEP 1 Install unilet and pull conductors through . • Remove plug(s) from sealing fitting and
use fiber fille r to make dam (5) In hub(s).
STEP 2. ,D
APPLETON Kwiko A and CROUSE-HINDS Chico A CEMENT FOR GROUPS C AND D APPLICATIONS: Sealing com­
pound to be mixed ONLY at temperatures above 35° F (1.7° C) and ONLY po red into fittings that have been brought to a temperature above 35° F (1.7° C) . Seals must NOT be exposed to temperatures below 35° F (1 .7° C) for a least 8 hours . Compou nd must be allowed 8 hou rs to cu re to full strength before energizing system. FOR GROUPS A AND 8 APPL CATlO S: e3
I G:-~
... ­
CAUTION: TEMPERATURE/CURE TIME :::t
condu tors and around each conductor.
• These conductors must not touch eac
other nor the sealin g fitting wall
• Clean fiber shreds away from wa ll s 01·
conductors to prevent them from causing
flame and / or leakage of gases . Finish ed
dam must be flush with conduit hub
bushing.
"A s b e s t 0 s
Free" Seali ng r------C-A-U-T-I-O-N------,
Cement
Be
sure to read the Refer to Table 1 to determine the
mixing in stru c- maximum number and size of con­
tions on Sealing ductors allowed in a seal. (Page 4)
cement can .
STEP 3.
Mlx.ing: Prepa,re se ling com pound using a completely
clean mixing vessel in eac h batch . Sha e th e seali ng
cement thoroughly in all di rections. Mix seahng cem ent
wittl correct proportion of clean water a noted below.
) a'l
lLV poure Into Ittlngs Itlal na e be€:
;"~ :­
a temperature above 40° F (4.4° C). Seals must NOT bi;
exposed to temperature below 40° F (4 .40 C) for a least 72
hours . Compou nd must be allowed 72 hours to cure to full
strength befo re energizing system .
STEP 4
VERTICAL CONDUIT RUN. Po r seali ng cement mixture into
the smal l pipe opening until the cement is level wi th the last
thread of the opening. Replace and tigilten small pipe plug.
HORIZONTAL CONDUIT RUN. Pour sealin g cem ent mixture
'OJgi" the large opening until two (2) to three
into the Unl e
13) threads are .ered With the cement
• Replace a a : _ .en In sequence the arge pipe pl ug or cover
the small p pe p _ to t e unilet and the small pipe plug Into
the cover.
Damming and Pourmg:
APPLETON Kwiko A and CROUSE-HINDS Chico A
CEMENT. Add one (1) part water to two (2) parts ce ment
by volume. Use Gold water, warm wa er increases setting
speed. Add water and stir immediately and thorough ly.
• DO NOT mix more than c n be poured in 15 minutes
after adding water.
• These cemen ts are NOT INSULATING COMPOUNDS
and MUST NOT be used for such purposes.
VERTICAL CONDUIT
EGS Electrical Group ·
ww.appletonelec.com· 800.621.1506
HORIZONTAL CONDUIT
Rev. "H " 07/01 /09
SEALING UNILETS EXPLOSION PROOF, DUST IGNITION PROOF FOR USE IN
VERTIC
lOR HORIZO TAL C
UIT R
EYS, EYF AND EYM SERIES 1/211 TO 6 11
-
COfIOlln
tile Caller shOuld be lighten8li down with
th small pipe plug ro?rna.oed lrem iL This will allow excess eamen l or air to
escape out rath81 Ihan seep'llg Ihrough or puShi ng th e dam into the ondult.
When the large cover has been tightened fully. replace pipe plug .
Vertical conduit
1. Install Unllet and pull conductors through .
2. Remove the pipe plug where the cement will be poured
through and the large pipe plug or cover with the small pipe
plug for size 3-1/2"-6" at the center of the Unilet
3. Dam the lower hub with fiber filler. (Page 1, Steps 1 & 2.)
4. Replace the large pipe plug or cover with the small pipe
plug for 3-1/2" thru 6" and tighten aJl threaded joints securely.
5. Mix Sealing Cement with the correct proportIon of water
per Instructions prOVided with the cement. (Page 1, Step 3)
6. Pour Sealing Cement mixture inlo the small pipe plug
opening until the cement is level with the last thread of the
6. Pour Sealing Cement mixture Into the flang ed cover
ooenlng n the cement level IS equal to the last thread of
he opening
7. Replace and tighten the small pipe plug .
Horizontal Conduit
1. Install Unllet and pull conductors through .
2. Remove the flanged cover.
3. Dam both hub openings with fiber filler (Page 1. Steps 1 & 2).
4. MIx Sealing Cement with the correct proportion of water
_. per instructions provided with the cement. (Page 1, Step 3).
5. Pour Sealing Cement mixture into tile Unilet opening until
the cement level is equal to the bottom of the cover mount­
ing flange. Fi ll hole must be oriented in the upright position,
6. Replace the flanged cover, tighten the small pipe plug.
EYD AND EYDM SERIES 1/211 TO 111
DRAIN AND SEALING UNILETS
EXPLOSION-PROOF, DUST-IGNmON-PROOF
FOR USE IN VERTICAL CONDUrT RUNS
SEAUNG COMPOUNIJ Horizontal conduit
1. Install Unilet and pull conductors through .
2. Remove all pipe plugs and / or cover from the Unilet.
3. Dam both hubs with fiber filler (Page 1, Steps 1 & 2)
4. Mix Sealing Cement with the correct proportion of water
per instructions provided with the cement. (Page 1. Step 3 .
5. Pour Sealing Cement mixture into the Unilel through the
large opening until 2-3 threads are covered with the cement.
Fill hole must be oriented In the upright position.
6. Replace and tighten in sequence th large pipe plug or
cover, the small pipe plug into the Unllet and the small pipe
plug Into the cover.
ESUF AND ESUM SERIES 1/2" TO 111
\IlRTlCAl CONOUlT
Vertical Conduit
1. Install Unilet and pull conduc­
to rs through .
2. Remove fl anged cover and the
pipe plug from the Unilet.
3. Dam tile lower hub opening with
fiber filler (Page 1, Steps 1 & 2).
4. Replace the flanged cover.
5. Mix Sealing Cement with the
correct proportion of water per
instru cti ons provided w i h til e
cement (Page 1, Step 3).
HORIZONTAL coNOtm
EGS Electrical Group • www.appletonelec.com • 800.621.1506 AFTER POURING
SEALING CEMENT
READy FOR USE
1. Install Unilet and pull conductors through.
2. Remove the pipe plug.
3. Dam the lower hub opening Wlth fiber filler (See page 1.
Steps 1 and 2)
4. Insert rubber drain-hoi core through drain opening and
washer (provided) high enough so inner end of core will-be
above sealing compound in completed seal.
Note: Washer (provided) must be inserted to last thread to
form dam for sealing compound.
5. Be sure that the rubb er drain - hole - core does not touch
any of the conductors .
6. Mix Sealing Cement with the correct proportion of water
per instructions provided with the cement (Page. 1 Step 3.).
7. Pour Sealing Cement mi ture into the Unil et openin g
until the cement is level with the last thread of the opening.
8. Replace and tighten pipe plug.
9. When c e m e nt has cure d (see p age 1."Ca ution :
Temperature / Cure Time") remove drain - hole - core.
10. Thread ECDB drain - breather fitling into threaded hole
and lighten securely.
500395-1 Rev. "H
OJ
07/01/09
Page 3
SEALING UNILETS, EXPLOSION-PROOF, DUST-IGNITION-PROOF FOR USE IN VERTICAL CO
UIT RU S. EYSF AND EYSM SERIES 1/211 TO 411
EYS 1/211 TO 1"
SEALING
COMPOUND
1. Install Unllel and pull conductors through,
2. Remove the large pipe plug T ighten the small pipe plug on
side of 3 and 4" Unilet sizes .
3. Dam U1e lower hub openrng with Rbe r Rller (Page 1,
Steps 1 & 2)
4. Mix sealing cement with the correct proportIOn of water per
instructions provided with the cement (Page 1. Step "3).
5. Pour Sealing Cement mixture into the Unilet openi ng until
the cement is level with the last thread.
6. Replace and tighten pipe plug.
EYD SERIES 1-1/411 TO 411
EYDM SERIES 1-1/4" TO 4"
DRAIN TUBE
1. Install Un' at a . p co ductors through.
2. Remo e t e large nreaded co sr from e Un e .
3. Dam rye lower b ope ng
ber rller. (Page 1 S ep 2 ,
4. Replace the large . eaded
er so t a
e '<;loaded
e
IS faCing downward.
5, Insert the tube and wire drain core illto the operuog of the
large threaded cover so that the end being Inserted will be
above the compound in a completed seal.
(See illustration above) .
6. Be sure that the tube and wire drain core do not touch any
of the cond C ors 01 en.\ se hIS ," e).J)OSB the cord or.;
In the completed and hardef'led seal
(See illustration above)
7. MIX Seali ng Cement with the correct proportIon 0' water per
instructions provided with the cement. (Page 1, Step 3).
8. Pou r Seali ng Cem ent mixtu re mto the Unilet through the
ope ning located above the large cover until the las1 thread
is covered with cement.
9. After cement has cured, (See page 1, "Caution: Temperature
/ Cure Time ") pull out the old tube and wire drain core
and discard.
10. Thread the small pipe plug into this opening and tighten .
11. Thread EC DB drai n-breath er fitting into large cover
t readed hole and tighten secure.
Page 2
500395-1 Rev.
"H"
07/01/09 EGS Electrical Group • www.appletonelec.com • 800.621.1 506
THE MAXIMUM NUMBER OF CONDUCTORS THAT CAN BE SEALED IN A SEALfNG FITING
TABLE 1
Example On How To Use Table 1
• The maximu m number of No.4 Type THHN Conductors (Col umn 8 ) in a 1· 1/2" size sealing 11 1I111t) I'
• The six (6) No. 4 THHN conductors rep r~ se nt the maximum wire fill of 25% or loss for sealing 1i1l1l1q
• Increasing the sealing fitting to a 2" trade size will provide space for the 40'%, wire fill, or
nine (9) NO. 4 conductors.
•
ITrade
Size
The M aximum number of wires that can be sealed in a fitting arc as rollows:
1-1'2'
CondUCI~"
Type
Max No.
PennlHed
For 25%Fill
Max No,
For 40~. RlllTrndB
Size Se alin~
AUinlLNOOdild _
Na 4
THHN (Col B)
6
(9 12"i
SilO
p.
erml!l~
In our example, lise an EYM I EYF200 for 2" size EYSF I ESUM, EYD, EYDM,
-
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NOTE: for ., 11 f'J II Hilr conductor sizes and types, wire fill Is based on maxim um 40~Q ril l or
less depl'"1t11l1) on conduit size and condUctor type per tile NEC Code .
• For all ullwr conductor sizes and types, wire fi ll is based on maximum 25% fill or less
I