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3 Wiring Diagrams
Figure 5-3.1: 28 model wiring diagram
Component code
CH1-CH5
COMP.
EEV
DCFAN
HEAT
H-PRO
L-PRP
XP1-XP7/XS1-XS7
Description
Magnetic ring
Compressor
Electronic expansion valve
DC fan
Crankcase heater
High pressure on/off switch
Low pressure on/off switch
Terminal block
Component code
Description
RY1
Relay
STF1
Four-way valve
K1
Compressor top thermostat
TP
Outdoor discharge temperature sensor
TL
Refrigerant radiator temperature sensor
XT1
3-slot power supply terminal
T3
Outdoor heat exchanger temperature sensor
T4
Outdoor ambient temperature sensor
43
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