Piping Diagrams - LG AS-W1838 H0 Series Manual

2. Piping Diagrams

Indoor Unit
Heat
Exchanger
(Evaporator)
LOC.
Th1 Thermistor for indoor air temperature
Th2
Thermistor for evaporating temperature
Th3
Th4 Thermistor for outdoor air temperature
Th5 Thermistor for condensing temperature
Th6 Thermistor for discharge pipe temperature
Th7 Thermistor for suction pipe temperature
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Liquid Side
2-Way Valve
Th2
Th1
Th3
Gas Side
3-Way Valve
Description
Outdoor Unit
EEV
Accumulator
Th7
Compressor
PCB Connector
CN_TH1(INDOOR)
CN_TH2(INDOOR)
CN_TH3(INDOOR)
CN_TH2(OUTDOOR)
CN_TH3(OUTDOOR)
- 3 -
Heat
Exchanger
(Condenser)
Th4
Th5
Reversing Valve
Th6
Cooling
Heating
LGE Internal Use Only