UPM STATUS LED - BLINK CODES
HIGH PRESSURE FAULT
1
2
LOW PRESSURE FAULT
3
CONDENSER FREEZE CONDITION
4
CONDENSATE OVERFLOW FAULT
5
BROWN OUT FAULT
6
EVAPORATOR FREEZE CONDITION
Fig. 19 — Constant Airflow Motor, Single Phase/Single Stage, WSHP Open Control
TO ECM MOTOR
CFM
ADJUST
CFM
A
NORM
B
(+)
C
(-)
H
D
TEST
HGRH
YES
NO
THERMOSTAT
R C G O Y1 Y2 W1 W2 H C