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THREAD
SEALANT
Threads
Diaphragm
O-Ring
Fig. 7
POLYOL
ESTER
(POE) OIL
Brush
Male Fitting
Apply POE Oil to
Entire Male Fitting
DO NOT USE
THREAD SEALANT
Fig. 6
Female Coupling
3/8" OD Discharge Line
(Insulated)
Remote Condenser Unit
1/4" OD Liquid Line
(Insulated)
Icemaker
Male Fitting
Service Loop
c. Make sure the male tting and female coupling are properly aligned, then start the
connection by hand to ensure that it is not cross threaded.
d. Place a backup wrench on the back of the female coupling, then tighten the
connection with a wrench until it is tight. At this point, the nut has covered most of
the threads on the male tting. CAUTION! Failure to use a backup wrench may
result in damage to the line set and possible refrigerant leaks.
e. Mark a reference line on the female coupling and the remote condenser unit or
icemaker panel. Using a backup wrench on the back of the female coupling, tighten
the six-sided nut of the female coupling an additional 1/6 turn. See Fig. 8.
Backup
Wrench
Reference Line
1/6 Turn
Wrench
Wrench
Backup
Wrench
After Tight, Tighten an
Additional 1/6 Turn
Fig. 8