LG ARUN096DT2 Service Manual - Page 23

Cooling Operation

Page 23 highlights

4.1.2 3Ø 460V, 3Ø 208/230V (UW1 Chassis) Cooling Operation Piping Diagrams 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 Oil Separator Gas Pipe Liquid Pipe s 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 Comp Disc harge Temperature Con stant Sensor Speed Comp Outdoo r Uni t Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check Valve EEV Soleno id Valve Strainer Copyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes - 23 - 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
- 23 -
Piping Diagrams
4.1.2 3Ø 460V, 3Ø 208/230V (UW1 Chassis)
s
s
Liquid Injection
Accumulator
4-Way Valve
s
s
Suction
Temperature
Senso
r
High Pressure
Senso
r
Low
Pressure
Senso
r
Hot Gas
Valve
Oil
Separator
Oil
Separator
Inverter
Comp
Constant
Speed
Comp
Outdoor
EE
V
Outdoor Unit
HEX Temperature
Senso
r
Outdoor
Temperature
Senso
r
Plate Type HEX
Liquid Pipe Temp. Sensor
Sub-Cooling EE
V
Sub-cooling Circuit
Outlet Temperature
Senso
r
Liquid Pipe
Gas Pipe
Indoor Unit
EEV
Indoor HEX
Filter
DC
DC
Outdoor Unit
Pressure Sensor
s
s
Pressure Switch
Check Valve
EEV
Temperature Sensor
Solenoid Valve
SVC Valve
Remarks
High Temp. High Pressure Gas
High Temp. High Pressure Liquid
Low Temp. Low Pressure Gas
s
s
EEV
Filter
Indoor Unit
Indoor HEX
Fan
Fan
Comp
Discharge
Temperature
Sensor
Comp
Discharge
Temperature
Sensor
Sub-cooling Circuit
Inlet Temperature
Sensor
Strainer
Fan
Fan
Cooling Operation