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
- 4 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
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
