Cooling Operation - LG ARUV Series Service Manual

4.1.2 UW1 Chassis

Cooling Operation

Ind oor HEX
Fan
Fan
DC
Outdoor
Temperature
Sensor
Outdoor
EEV
Sub-cooli ng Circuit
Outlet Temperature
Sensor
Sub-cooli ng Circuit
Inlet Temperature
Sensor
Press ure Sensor
Remarks
Press ure Switch
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Only for training and service purposes
EEV
Ind oor Unit
Fan
DC
Outdoor Unit
HEX Temperature
Sensor
High Press ure
Sensor
4-Way Valve
Suction
Temperature
Sensor
Oil
Separator
Comp
Disc harge
Temperature
Sensor
Inverter
Comp
Liquid Injection
Liquid Pipe Temp. Sensor
Double-Tube HEX
Sub-Coo ling EEV
Temperature Sensor
SVC Valve
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Ind oor HEX EEV
Fan
Ind oor Unit
High Temp. High Press ure Gas
High Temp. High Press ure Liqu id
Low Temp. Low Press ure Gas
Hot Gas
Valve
Low
Press ure
Sensor
Oil
Separator
Con stant
Speed
Acc umulator
Comp
Check Valve
EEV
Piping Diagrams
Gas Pipe
Liquid Pipe
Comp
Disc harge
Temperature
Sensor
Outdoo r Uni t
Soleno id Valve
Strainer
LGE Internal Use Only