LG ARUN096DT2 Service Manual - Page 20

Ø 460v Arun076dt2

Page 20 highlights

Piping Diagrams 4. Piping Diagrams 4.1 Heat Pump Model 4.1.1 3Ø 460V (ARUN076DT2) Cooling Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator 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 Gas Pipe Liquid Pipe s s s Comp Disc harge Temperature Sensor In ve r t er Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Injection Liquid Pipe Temp. Sensor Plate Type HEX Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check valve EEV Outdoo r Uni t Soleno id valve Strainer Copyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes - 20 - LGE Internal Use Only

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 20 -
4. Piping Diagrams
Piping Diagrams
4.1.1 3Ø 460V (ARUN076DT2)
Cooling Operation
EEV
Filte
r
EEV
Filte
r
s
s
Liquid Injection
Accumulator
s
s
Inverter
Com
p
s
s
Check valve
EEV
Solenoid valve
SVC Valv
e
Indoor HEX
Indoor HEX
Fan
Indoor Unit
Indoor Unit
Outdoor Unit
HEX Temperature
Sensor
Outdoor
Temperature
Sensor
High Pressure
Sensor
4-Way Valve
Outdoor
EEV
Sub-cooling Circuit
Outlet Temperature
Sensor
Sub-cooling Circuit
Inlet Temperature
Sensor
Sub-Cooling EE
V
Plate Type HEX
Liquid Pipe Temp. Sensor
Comp
Discharge
Temperature
Sensor
Suction
Temperature
Sensor
Low
Pressure
Sensor
Liquid Pipe
Gas Pipe
High Temp. High Pressure Gas
High Temp. High Pressure Liquid
Low Temp. Low Pressure Gas
Oil
Separator
Outdoor Unit
Pressure Sensor
Pressure Switch
Temperature Sensor
Hot Gas
Valv
e
Remarks
Strainer
DC
DC
Fan
Fan
DC
DC
Fan
4.1 Heat Pump Model