Download Energy Efficient Temperature Regulating

During normal cooling 120VAC is directed to the compressor, evaporator fan motor and condenser
fan motor through the normally closed relay mounted on the ADC board. (Fig. 4)
115 VOLTS
60 HERTS
RIDGED WIRE
PK
BK
BI-METAL
BR
PK PK
TEST
TERM.
BR
BR
BR
W
DEFROST HEATER
PK BK OR
2
1
4
R BR W
3
5
6
C
NO
W
W
R/W
NC
EVAP. FAN
MOTOR
ELECTRONIC
DEFROST CONTROL
RT
ST A
OR
R
R
THERMOSTAT
S
S
BL RUN CAP.
W
C
C
W
OVERLOAD
RU
N
M
M
COMPRESSOR
PTC RELAY
R
W
COND. FAN
MOTOR
ELECTRONIC DEFROST CONTROL
COOLING MODE
(Compressor, Evaporator Fan and
Condenser Fan Running)
Figure 4
5