LG AUUW426D - Piping Diagrams

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Piping Diagrams
Th1
E.E.V.
Accumulator
r
Inverter
Compressor
Heat
High Pressure
S/W
Exchanger
Reversing
Valve
OUTDOOR UNIT
Refrigerant Flow
Cooling
Heating
Gas
(Ø 15.88mm)
Liquid
(
Ø
9.52mm)
Field Piping
Th2
Th4
Th3
LOC. Description PCB Connector
EEV Electronic Expansion Valve CN-EEV1
Th1 Thermistor for suction pipe temperature CN-TH2
Th2 Thermistor for discharge pipe temperature CN-TH2
Th3 Thermistor for condenser pipe temperature CN-TH1
Th4 Thermistor for outdoor air temperature CN-TH1