LG MULTI V 5 Engineering Manual page 40

REFRIGERANT FLOW DIAGRAMS
ARUM144BTE5/DTE5, 168BTE5/DTE5, 192BTE5/DTE5, 216BTE5/DTE5, 241BTE5/DTE5
Heat Pump Operation — Cooling Mode
Heat Pump – Cooling Mode
Indoor HEX
Fan
M
Fan
M M Motor
Outdoor
Temperature
Sensor
s
Active Path
Outdoor Unit HEX
Valve
Temperature Sensor
Outdoor Unit HEX Outdoor
Temperature Sensor Unit HEX
Temperature
Sensor
Upper Outdoor
EEV Close
Lower Outdoor
EEV
Heatsink
Remarks
40 | ODU PRODUCT DATA
EEV
Indoor Unit
4-Way Valve 2
High Pressure
Sensor
s
4-Way Valve 1
Low
Lower Hot
Pressure Sensor
Vapor Valve
Suction
Close
s Temperature
Sensor
Upper Hot
Temperatue Sensor
Vapor Valve
Receiver
Close
Receiver
Outlet
Accum
SC
Receiver
s
Suction
Inlet
Oil Return
Sub-Cooling Circuit Inlet
Temperature Sensor
Pressure Sensor Temperature Sensor
Pressure Switch SVC Valve
©
Indoor HEX
EEV
Fan
M
Indoor Unit
Pressure Switch
Oil Separator
Comp 1 Comp 2
Discharge Discharge
Temperatue Sensor
Oil
Inverter
Balance
Comp 1
s
Comp 1 Vapor
Injection
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
SC
EEV
Check Valve
EEV
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
Oil Separator
Oil
Inverter
Balance
Comp 2
s
Comp 2 Vapor
Injection
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Liquid Pipe
Temperature Sensor
Solenoid Valve
Strainer