LG MULTI V 5 Engineering Manual page 57

ARUM144BTE5/DTE5, 168BTE5/DTE5, 192BTE5/DTE5, 216BTE5/DTE5, 241BTE5/DTE5
Heat Recovery – Balanced Simultaneous Operation
Indoor HEX
Indoor HEX
Indoor HEX
Indoor HEX
M M
Outdoor
Temperature
Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX
Temperature Sensor Unit HEX
Temperature
Upper Outdoor
EEV Close
Remarks
REFRIGERANT FLOW DIAGRAMS
Heat Recovery Operation — Balanced Simultaneous Mode
EEV
Fan
Indoor Unit
EEV
Fan
Indoor Unit
EEV
Fan
Indoor Unit
EEV
Fan
Indoor Unit
Fan
Motor
4-Way Valve 2
High Pressure
s
Active Path
Valve
s
4-Way Valve 1
Low
Lower Hot
Outdoor
Pressure Sensor
Vapor Valve
Close
Suction
s
Temperature
Sensor
Sensor
Upper Hot
Vapor Valve
Receiver
Close
Accum
Lower Outdoor
Receiver SC
EEV
s
Suction
Inlet
Oil Return
Sub-Cooling Circuit Inlet
Temperature Sensor
Heatsink
Pressure Sensor
Pressure Switch
©
Pressure Switch
Sensor
Oil Separator
Comp 1
Comp 2
Discharge
Discharge
Temperatue Sensor
Temperatue Sensor
Receiver
Outlet
Oil
Inverter Inverter
Balance
Comp 1 Comp 2
s
Comp 1 Vapor Comp 2 Vapor
Injection 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
Oil Separator
Oil
Balance
s
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Liquid Pipe
Temperature Sensor
Check Valve Solenoid Valve
EEV Strainer
ODU PRODUCT DATA | 57