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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Piping Diagrams
Th1
Th2
Th3
Th4
L/P
S/V(2)
S/V(1)
Reversing
Valve
Heat
Exchanger
Ø9.52
Capillary
EEV
Inverter
Compressor
Accumulator
Oil Separator
Ø19.05
Refrigerant Flow
Cooling
Heating
LOC.
Description
PCB Connector
Th1
Thermistor for outdoor air temperature
CN_TH1
Th2
Thermistor for condensing temperature
CN_TH1
Th3
Thermistor for discharge pipe temperature
CN_TH2
Th4
Thermistor for suction pipe temperature
CN_TH2
S/V(1) Solenoid Valve for Hotgas
CN_HOT GAS
S/V(2) Solenoid Valve for Oil Separator
CN_OIL/S
L/P
Low Pressure Switch
CN_L/PRESS
