LG MULTI V 5 Engineering Manual page 50

REFRIGERANT FLOW DIAGRAMS
ARUM072BTE5 / DTE5, ARUM096BTE5 / DTE5, ARUM121BTE5 / DTE5
Heat Recovery Operation — Oil Return and Defrost
Heat Recovery – Oil Return and Defrost Operatio n
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
*6 ton unit
only has 1 fan
M M
Outdoor
Temperature
Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX Outdoor
Temperature Sensor Unit HEX
Temperature
Sensor
Upper Outdoor
EEV Close
Remarks
50 | ODU PRODUCT DATA
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
Fan
Motor
4-Way Valve 2
High Pressure
s
Active Path
Valve
s
4-Way Valve 1
Low
Lower Hot
Pressure Sensor
Vapor Valve
Close
Suction
s
Temperature
Sensor
Upper Hot
Vapor Valve
Receiver
Close
Accum
Lower Outdoor
Receiver SC
EEV
s
Inlet
Suction
Oil Return
Sub-Cooling Circuit Inlet
Temperature Sensor
Heatsink
Pressure Sensor
Pressure Switch
©
Pressure Switch
Sensor
Oil Separator
Comp
Discharge
Temperatue Sensor
Receiver
Outlet
Inverter
Comp
Comp Vapor
Injection
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
SC
EEV
Temperature Sensor
SVC Valve
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
HR unit
s
s
s
s
s
s
s
s
s
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Liquid Pipe
Temperature Sensor
Check Valve Solenoid Valve
EEV Strainer