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4.
free of all debris.
6.
NOTE:
NOTE:
ABOVE
FINISHED
ALWAYS RUN AN OVERFLOW DRAIN LINE. IF NOT POSSIBLE TO
SPACE?
ROUTE OVERFLOW DRAIN LINE, INSTALL LOW VOLTAGE
OVERFLOW
COMPRESSOR PER INSTRUCTIONS.
NO
COMPACT OVERFLOW SWITCH WITH 3/4" FEMALE SLIP INLET
AND MALE ADAPTER, TWO PART DESIGN FOR USE WHERE
OBSTRUCTIONS PREVENT DIRECT THREADING
OVERFLOW
DRAIN
YES
NOTE — WHEN A AIR HANDLER IS LOCATED ABOVE A FINISHED SPACE THE
SECONDARY DRAIN PAN MUST HAVE A LARGER FOOTPRINT THAN THE AIR HANDLER.
SECONDARY
DRAIN PAN
WHEN A COIL IS LOCATED ABOVE A FINISHED SPACE, A
3/4" (19.1MM) SECONDARY DRAIN LINE MUST BE:
CONNECTED TO SECONDARY DRAIN PAN
OR
CONNECTED TO THE OVERFLOW DRAIN OUTLET OF
THE AIR HANDLER DRAIN PAN.
TRAPS MUST BE DEEP ENOUGH TO OFFSET MAXIMUM STATIC
DIFFERENCES — GENERALLY, TWO INCHES (51MM).
1
P-TRAP 49P66 REQUIRES A LARGER INSTALLATION SPACE THAN THE J-TRAP 91P90.
Page 8 of 22
OVERFLOW DRAIN LINE
SWITCH
KIT.
WIRE
KIT
TO
PART #
X3169
MAIN
AIR HANDLER DRAIN PAN
DRAIN
Figure 8.
7.
Route the drain line to the outside or to an appropriate
NOTE:
Test Condensate Drain
1.
2.
primary drain line.
3.
VENT MUST EXTEND
SHUT
DOWN
ABOVE HEIGHT OF
COIL DRAIN PAN BY
TWO INCHES (51MM)
CLEAN OUT
PRESS IN
(DO NOT GLUE)
1" X 3/4" X 3/4"
49P66, J-TRAP #
91P90 OR ANY
PVC SCH 40 P- OR
FOR NEGATIVE PRESSURE COILS (BLOWER
AFTER COIL) TRAPS ARE REQUIRED ON ALL
DRAIN LINES CONNECTED TO COIL.
Issue 2336
VENT
REDUCING
TEE WITH
PLUG
1
P-TRAP
J-TRAP 3/4"
2"
(51MM)
TRAP DEPTH
507787G02 / 31-5000675-1
TO APPROVED
DRAIN
DRAIN LINE SHOULD
SLOPE A MINIMUM OF
ONE INCH PER 10
FEET (25MM PER 3
METERS)
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