LG Multi V III Solo ARUN LM3 Series Service Manual page 11

Heating Operation
IDU Air
IDU Hex Temperature
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
Outlet
Temperature
Thermistor
Press ure Sensor
Remarks
Press ure Switch
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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
Liquid pipe
Temperature
Thermistor
Sub-Cooling HEX
Sub-Cooling
Electronic
Expansion
Valve
Temperature Sensor
SVC Valve
IDU Air
IDU Hex Temperature
Temperature Thermistor
Thermistor
IDU Hex
Temperature
Thermistor
M
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
Oil Oil
Separator Separator
Discharge Discharge
Temperature Temperature
Thermistor Thermistor
Inverter Constant
Compressor Speed
Compressor
Check valve
EEV
- 11 -
Piping Diagrams
Indoor Unit
2 Way
Flare Connection
Electronic
Expansion
Valve
2 Way
Flare Connection
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Soleno id valve
Strainer
LGE Internal Use Only