3. Piping Diagrams
High
Pressure
S/W
Th7
Inverter
Compressor
Reversing
Valve
Th6
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
E.E.V
Accumulator
Accumulator
Gas Side
3-Way Valve
3-Way Valve
Liquid Side
Cooling
Heating
Th1
Th3
Th2
Th4
Th5
- 5 -
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Only for training and service purposes
LGE Internal Use Only
LOC. Description PCB Connector
Th1 Thermister for indoor air temperature
CN_TH1(INDOOR)
Th2 Thermister for indoor pipe(in) temperature
Th3 Thermister for indoor pipe(out) temperature CN-TH2(INDOOR)
Th4 Thermister for outdoor pipe temperature
CN_TH2(OUTDOOR)
Th5 Thermister for outdoor air temperature
Th6 Thermister for outdoor discharge pipe temperature(Inverter)
CN_TH3(OUTDOOR)
Th7 Thermister for outdoor suction pipe temperature(Inverter)