Heat Recovery – Balanced Simultaneous Operation - LG Multi V5 Service Manual

ARUM072BTE5 / DTE5, ARUM096BTE5 / DTE5, ARUM121BTE5 / DTE5
Heat Recovery – Balanced Simultaneous Operation
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
*6 ton unit
only has 1 fan
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
REFRIGERANT FLOW DIAGRAMS
Heat Recovery Operation — Balanced Simultaneous Mode
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
4-Way Valve 2
High Pressure
Sensor
s
4-Way Valve 1
Low
Lower Hot
Pressure Sensor
Vapor Valve
Close
Suction
Comp
s
Temperature
Discharge
Sensor
Upper Hot Temperatue Sensor
Vapor Valve
Receiver
Close
Receiver
Outlet
Accum
Comp Vapor
Injection
Receiver
SC
s
Inlet
Suction
Oil Return
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Temperature Sensor
Pressure Sensor
Temperature Sensor
Pressure Switch SVC Valve
Due to our policy of continuous product innovation, some specifications may change without notification.
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Pressure Switch
Oil Separator
Inverter
Comp
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
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
Solenoid Valve
Strainer
31