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Only for training and service purposes
3. Piping Diagrams
LOC. Description PCB Connector
Th1 Thermistor for outdoor air temperature CN_TH2
Th2 Thermistor for condensing temperature CN_TH2
Th3 Thermistor for discharge pipe temperature CN_TH3
Th4 Thermistor for suction pipe temperature CN_TH3
S/V Solenoid Valve for Hot Gas/Oil Separator
CN_H/GAS
/CN_OIL/S
L/P Low Pressure Switch CN_PRESS
Reversing
Valve
Outdoor Unit
Th1
Th3
Th2
Th4
S/V
Accumulator
Field piping
Liquid(Ø1/4")
Field piping
Gas(Ø3/8")
Room D
Room C
Room B
Room A
Compressor
Heat
Exchanger
EEV-D
Main service
Valve(Gas)
Main service
Valve(Liquid)
EEV-C
EEV-B
EEV-A
Room D
Room C
Room B
Room A
COOLING
HEATING
REFRIGERANT FLOW