Heat Recovery – Cooling-Based Simultaneous Operation - LG Multi V5 Service Manual

ARUM072BTE5 / DTE5, ARUM096BTE5 / DTE5, ARUM121BTE5 / DTE5
Heat Recovery Operation — Cooling-Based Simultaneous Mode
Heat Recovery – Cooling-Based 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
Lower Hot
Outdoor Unit HEX Outdoor
Vapor Valve
Temperature Sensor Unit HEX
Temperature
Sensor
Upper Hot
Vapor Valve
Upper Outdoor
EEV Close
Lower Outdoor
EEV
Heatsink
Pressure Sensor
Remarks
Pressure Switch
Due to our policy of continuous product innovation, some specifications may change without notification.
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REFRIGERANT FLOW DIAGRAMS
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
4-Way Valve 2
High Pressure
Pressure Switch
Sensor
s
4-Way Valve 1
Low
Pressure Sensor
Close
Suction
Comp
s
Temperature
Discharge
Sensor
Temperatue Sensor
Receiver
Close
Receiver
Outlet
Inverter
Comp
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
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
Oil Separator
Liquid Pipe
Temperature Sensor
Check Valve
EEV
HR unit
s
s
s
s
s
s
s
s
s
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Solenoid Valve
Strainer
29