LG ARUN096DT2 Service Manual - Page 21

Heating Operation

Page 21 highlights

Heating Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Piping Diagrams 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 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 - 21 - 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
- 21 -
Piping Diagrams
EEV
Filter
EEV
Filter
s
s
Liquid Injection
Accumulator
Inverter
Com
p
DC
DC
s
s
Check Valve
EEV
Solenoid Valve
SVC Valve
Indoor HEX
Indoor HEX
Indoor Unit
Indoor Unit
Fan
Fan
Outdoor Unit
HEX Temperature
Sensor
Outdoor
Temperature
Sensor
High Pressure
Sensor
4-Way Valve
Liquid Pipe
Gas Pipe
Low
Pressure
Sensor
Oil
Separator
Comp
Discharge
Temperature
Sensor
Suction
Temperature
Sensor
Sub-cooling Circuit
Outlet Temperature
Sensor
Plate Type HEX
Liquid Pipe Temp. Sensor
Sub-Cooling EEV
Sub-cooling Circuit
Inlet Temperature
Sensor
Outdoor
EEV
High Temp. High Pressure Gas
High Temp. High Pressure Liquid
Low Temp. Low Pressure Gas
Outdoor Unit
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer
Hot Gas
Valve
Fan
Fan
Heating Operation