Heat Recovery – Cooling Mode - LG Multi V5 Service Manual

ARUM072BTE5 / DTE5, ARUM096BTE5 / DTE5, ARUM121BTE5 / DTE5
Heat Recovery – Cooling Mode
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
REFRIGERANT FLOW DIAGRAMS
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
Pressure Sensor
Close
Suction
Comp
s
Temperature
Discharge
Sensor
Temperatue Sensor
Close
Receiver
Receiver
Outlet
Inverter
Accum Comp
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
Due to our policy of continuous product innovation, some specifications may change without notification.
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Heat Recovery Operation — Cooling Mode
Pressure Switch
Oil Separator
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
27