Piping Diagrams - LG AUUH246D Svc Manual

3. Piping Diagrams

Refrigerant Flow
Cooling
Heating
Gas
(Ø 12.7mm)
Field Piping
Liquid
(Ø 6.35mm)
LOC.
EEV Electronic Expansion Valve
Th1 Thermistor for suction pipe temperature
Th2 Thermistor for discharge pipe temperature
Th3 Thermistor for condenser pipe temperature
Th4 Thermistor for outdoor air temperature
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Only for training and service purposes
Accumulator
EEV
Description
- 4 -
OUTDOOR UNIT
Reversing
Valve
High
pressure
S/W
Th.1
Th.2
Constant
Compressor
PCB Connector
CN_LEV1
CN_TH2
CN_TH2
CN_TH1
CN_TH1
Th.3
Heat
Exchanger
Th.4
LGE Internal Use Only