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)
