Piping Diagrams; Indoor Unit; Outdoor Unit - Heat Controller AS-Q1835JZ0 Service Manual

2. Piping Diagrams

Indoor Unit

Th2
Th1
Heat
Exchanger
(Evaporator)
LOC. Description
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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Only for training and service purposes
Liquid Side
2-Way Valve
Th3
Gas Side
3-Way Valve

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)
Th5
Th6
Refrigerant Flow
LGE Internal Use Only
Th4