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Only for training and service purposes
LGE Internal Use Only
3. Piping Diagrams
Exchanger
TH2
TH1
Reversing
Valve
Low
pressure
S/W
Compressor
Accumlator
Heat
TH3
EEV-A
EEV-B
Liquid Side
COOLING
HEATING
TH4
Gas Side
OUTDOOR UNIT
LOC.
Description
PCB Connector
Th1
Thermistor for discharge pipe temperature
CN_TH3
Th2
Thermistor for suction pipe temperature
CN_TH3
Th3
Thermistor for outdoor air temperature
CN_TH2
Th4
Thermistor for condensing temperature
CN_TH2
Note:
EEV: Electronic Expansion Valve