SM Series Heat Pump
SM Series Heat Pump8733942411 (2017/07) Subject to change without prior notice
56 | Wiring Diagrams
Figure # 66
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
FOR REFERENCE ONLY Actual unit wiring may
vary from this example. Always refer to the wiring
diagram attached to the unit.
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