Oil Return/ Defrost Operation - LG ARUN040GSS0 Service Manual

Piping Diagrams

Oil Return/ Defrost Operation

Indoor HEX
Fan
DC
Outdoor
Temperature
Sensor
Outdoor Unit
HEX Temperature
Sensor
Outdoor
EEV
Sub-cooling Circit
Oulet Temperature
Sensor
Press ure Sensor
Remarks
Press ure Switch
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Only for training and service purposes
EEV
Fil ter
Ind oor Unit
DC
HIgh
Pressure
Switch
Comp
Low
Discharge
Pressure
Temperature
Sensor
Sensor
Inverter
Compressor
Sub-Cooler
Temperature Sensor
SVC Valve
Indoor HEX EEV
Fan
HIgh
Pressure
Sensor
Hot Gas Chatging
Valve Port
Suction
Temperature
Sensor
Accumulator
Soleno id valve
EEV
- 12 -
Fil ter
Ind oor Unit
Liquid Pipe
Temperature
Sensor
Strainer
LGE Internal Use Only