LG AS-W1868RH1, Svc Manual

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. Piping Diagrams
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator) Heat
Exchanger
(Condenser)
EEV
Compressor
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Cooling
Heating
Reversing Valve
Th1
Th2
Th3
Th5
Th4
Th6
Th7
LOC. Description PCB Connector
Th1 Thermistor for indoor air temperature CN_TH1(INDOOR)
Th2 Thermister for indoor pipe(in) temperature CN_TH2(INDOOR)
Th3 Thermister for indoor pipe(out) temperature CN_TH3(INDOOR)
Th4 Thermistor for outdoor air temperature
CN_TH2(OUTDOOR)
Th5 Thermister for outdoor pipe temperature
Th6 Thermistor for discharge pipe temperature
CN_TH3(OUTDOOR)
Th7 Thermistor for suction pipe temperature
EEV : Electronic Expansion Valve