Wiring Diagrams | 55SM Series Heat Pump
8733942411 (2017/06)Revised 07-17
WIRING DIAGRAMS
Figure # 65
FOR REFERENCE ONLY Actual unit wiring may
vary from this example. Always refer to the wiring
diagram attached to the unit.
UPM STATUS LED - BLINK CODES
1
HIGH PRESSURE FAULT
2 LOW PRESSURE FAULT
3 CONDENSER FREEZE CONDITION
4 CONDENSATE OVERFLOW FAULT
5 BROWN OUT FAULT
6 EVAPORATOR FREEZE CONDITION
THERMOSTAT
R C G O Y1 Y2 W1 W2 H C
CFM ADJUST
TO ECM MOTOR
A
B
C
D
NORM
(+)
(-)
TEST
HGRH
NO
CFM
YES
H
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