LG MULTI V 5 Manual Book page 19

Multi V 5
3. Piping Diagrams
■ Upper HEX Defrost Operation
Upper HEX Defrost Operation
Indoor HEX EEV
Fan
d n I o o U i n
Fan
Motor
Outdoor
Sub 4-Way Valve
Temperature
Sensor
High Pressure
Sensor
Outdoor Unit HEX Active
Temperature Sensor Path
Main 4-Way
Valve
Low
Low Hot
Outdoor Unit HEX Outdoor
Pressure Sensor
Vapor Valve
Temperature Sensor Unit HEX
Suction
Temperature Comp 1
Temperature
Sensor
Discharge
Sensor
Upper Hot
Temperatue Sensor
Vapor Valve
Receiver
Receiver
Outlet
Accum
Upper Outdoor EEV
Low Outdoor
SC
EEV Receiver
Suction
Inlet
Oil Return
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling Circuit Inlet
Temperature Sensor
Heatsink
*14,16HP have 2fans.
Pressure Sensor Temperature Sensor
Remarks
Pressure Switch SVC Valve
036
_TROUBLE SHOOTING GUIDE BOOK
Outdoor Units
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
Indoor HEX EEV
Fan
d n I o o U i
Pressure Switch
Oil Separator
Inverter
Comp 1
Comp 1
Vapor
Injection
High / Low Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Sub-Cooling HEX
Liquid Pipe
Temperature Sensor
SC
EEV
Check Valve Solenoid Valve
EEV Strainer
Multi V 5
3. Piping Diagrams
■ Low HEX Defrost Operation
Low HEX Defrost Operation
Indoor HEX
EEV
Fan
d n I o o U r t i n
Fan
Motor
Outdoor
Sub 4-Way Valve
Temperature
Sensor
High Pressure
Outdoor Unit HEX Active
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
Sensor
Sensor
Upper Hot
Temperatue Sensor
Vapor Valve
Receiver
Accum
Upper Outdoor EEV
Low Outdoor
SC
Receiver
EEV
Suction
Inlet
Oil Return
Sub-Cooling Circuit Inlet
Temperature Sensor
Heatsink
*14,16HP have 2fans.
Pressure Sensor
Remarks
Pressure Switch
62
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
Indoor HEX EEV
Fan
d n I o o U r t i n
Pressure Switch
Sensor
Oil Separator
Comp 1
Discharge
Receiver
Outlet
Inverter
Comp 1
Comp 1
Vapor
Injection
High / Low Pressure Vapor Pipe
Low Pressure Vapor Pipe
Sub-Cooling Circuit
Outlet Temperature Sensor Liquid Pipe
Sub-Cooling HEX
Liquid Pipe
Temperature Sensor
SC
EEV
Temperature Sensor Check Valve Solenoid Valve
SVC Valve EEV Strainer
Outdoor Units
037
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