Heating Operation - LG Multi V III Solo ARUN LM3 Series Service Manual

Piping Diagrams

Heating Operation

IDU Air
Temperature
IDU Hex
Temperature Thermistor
Thermistor
IDU Hex
Temperature
Thermistor
M
Outdoor Unit
M
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
SC Circuit
Temperature
Thermistor
Press ure Sensor
Remarks
Press ure Switch
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Indoor Unit
2 Way
Flare Connection
Electronic
Expansion
Valve
2 Way
Flare Connection
High
Pressure
Switch
High
Pressure
Sensor
4 way
Valve
Suction
Temperature
Thermistor
Low
Pressure
Sensor
Accumulator
Outlet
Liquid pipe
Temperature
Thermistor
Sub-Cooling HEX
Sub-Cooling
Electronic
Expansion
Temperature Sensor
SVC Valve
IDU Air
Temperature
IDU Hex
Temperature Thermistor
Thermistor
IDU Hex
Temperature
M Thermistor
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Oil
Separator
Discharge
Temperature
Thermistor
Inverter
Compressor
Valve
Check valve
EEV
- 8 -
Indoor Unit
2 Way
Flare Connection
Electronic
Expansion
Valve
2 Way
Flare Connection
Soleno id valve
Strainer
LGE Internal Use Only