Sinclair SDV5 Series Service Manual page 42

Figure 5-3.3: 140/160 model wiring diagram
Component code
XT1
XT2
CHI-CH4
COMP.
CT1
EEV1
FAN1
FAN2
HEAT1
Description
3-slot power supply terminal
Communication converter board
Magnetic ring
Compressor
AC current transformer
Electronic expansion valve
Upper fan
Lower fan(connected if there's any)
Crankcase heater
Component code Description
H-PRO High pressure switch
L-PRO Low pressure switch
STF1 Four-way valve
T3 Outdoor heat exchanger temperature sensor
T4 Outdoor ambient temperature sensor
T5 Discharge temperature sensor
TF Radiator surface temperature sensor
TL Refrigerant radiator temperature sensor
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