Service Manual

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
Th5
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Only for training and service purposes
LGE Internal Use Only
LOC. Description PCB Connector
EEV Electronic Expansion Valve CN_LEV1
Th1 Thermistor for suction pipe temperature CN_TH3
Th2 Thermistor for discharge pipe temperature CN_TH3
Th3 Thermistor for condenser pipe temperature CN_TH2
Th4 Thermistor for outdoor air temperature CN_TH2
Th5 Thermistor for condenser middle pipe temperature CN_TH4