Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4. Piping Diagrams
4.1.1 UY2/UW1(8 HP Model) Chassis
Cooling Operation
Piping Diagrams
EEV
EEV
ss
Liquid Injection
Acc umulator
ss
Inverter
Comp
ss
Check valve
EEV
Soleno id valve
SVC Valve
Ind oor HEX
Ind oor HEX
Fan
Ind oor Unit
Ind oor Unit
Outdoor Unit
HEX Temperature
Sensor
Outdoor
Temperature
Sensor
High Press ure
Sensor
4-Way Valve
Outdoor
EEV
Sub-cooli ng Circuit
Outlet Temperature
Sensor
Sub-cooli ng Circuit
Inlet Temperature
Sensor
Sub-Coo ling EEV
Double-Tube HEX
Liquid Pipe Temp. Sensor
Comp
Disc harge
Temperature
Sensor
Suction
Temperature
Sensor
Low
Press ure
Sensor
Liquid Pipe
Gas Pipe
High Temp. High Press ure Gas
High Temp. High Press ure Liqu id
Low Temp. Low Press ure Gas
Oil
Separator
Outdoo r Uni t
Press ure Sensor
Press ure Switch
Temperature Sensor
Hot Gas
Valve
Remarks
Strainer
DC
DC
Fan
Fan
UW1(8HP) Model
DC
DC
Fan
4.1 Heat Pump Model
Summary of Contents for ARUN100LT2
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