LG MULTI V 5 Manual Book page 23

Multi V 5
3. Piping Diagrams
■ Upper HEX Defrost Operation
Upper HEX Defrost Operation
Indoor HEX
EEV
Fan
Indoor Unit
Indoor HEX
EEV
Fan
Indoor Unit
Indoor HEX
EEV
Fan
Indoor Unit
Indoor HEX
EEV
Fan
Indoor Unit
Fan
Motor
Outdoor
Sub 4-Way Valve
Temperature
Sensor
High Pressure
Sensor
Active
Outdoor Unit HEX
Path
Temperature Sensor
Main 4-Way
Valve
Low
Low Hot
Outdoor Unit HEX Outdoor
Pressure Sensor
Vapor Valve
Temperature Sensor Unit HEX
Suction
Temperature
Temperature Comp 1
Sensor
Sensor
Discharge
Upper Hot
Temperatue Sensor
Vapor Valve
Receiver
Receiver
Outlet
Accum
Upper Outdoor EEV
Comp 1 Vapor
Injection
Low Outdoor
Receiver SC
EEV
Inlet Suction
Oil Return
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Temperature Sensor
Heatsink
Pressure Sensor
Temperature Sensor
Remarks
Pressure Switch SVC Valve
044
_TROUBLE SHOOTING GUIDE BOOK
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
HR unit
Pressure Switch
O S l i p e a r a r o t O S l i p e a r a r o t
Comp 2
Discharge
Temperatue Sensor
Oil Oil
Inverter Inverter
Balance Balance
Comp 1 Comp 2
Comp 2 Vapor
Injection
High / Low Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Liquid Pipe
Temperature Sensor
SC
EEV
Check Valve Solenoid Valve
EEV Strainer
Multi V 5
Outdoor Units
3. Piping Diagrams
■ Low HEX Defrost Operation
Low HEX Defrost Operation
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
Indoor HEX
Fan
Fan
Motor
Outdoor
Temperature
Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX Outdoor
Temperature Sensor Unit HEX
Temperature
Sensor
Upper Outdoor EEV
Heatsink
Remarks
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
EEV
Indoor Unit
Sub 4-Way Valve
High Pressure
Pressure Switch
Sensor
Active
Path
Main
4-Way Valve
Low
Low Hot
Pressure Sensor
Vapor Valve
O S l i p e a r a r o t
Suction
Temperature Comp 1 Comp 2
Sensor Discharge Discharge
Upper Hot
Temperatue Sensor Temperatue Sensor
Vapor Valve
Receiver
Receiver
Outlet
Oil
Inverter Inverter
Balance
Accum Comp 1 Comp 2
Comp 1 Vapor Comp 2 Vapor
Injection Injection
Low Outdoor
Receiver SC
EEV
Inlet Suction
Oil Return
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Temperature Sensor
SC
EEV
Pressure Sensor
Check Valve
Temperature Sensor
Pressure Switch SVC Valve EEV
Outdoor Units
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
HR unit
O S l i p e a r a r o t
Oil
Balance
High / Low Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Liquid Pipe
Temperature Sensor
Solenoid Valve
Strainer
045
_