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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
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(1) Solenoid Valve for Hot Gas
CN_H/GAS
S/V(2) Solenoid Valve for Oil Separator
CN_OIL/S
L/P
Low Pressure Switch
CN_PRESS
Cooling
Refrigerant flow)
Outdoor Unit
Heating
Field piping
Gas(Ø9.52)
Field piping
Liquid(Ø6.35)
EEV-E
Accumulator
Th4
S/V(2)
L/P
Compressor
EEV-D
EEV-C
EEV-B
EEV-A
Th3
Oil Separator
R/Valve
Heat
Exchanger
S/V(1)
S/V(1)
Th1
Th2
S/V(1)
