LG Multi V 5 - Page 19

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_TROUBLE SHOOTING GUIDE BOOK _
Multi V 5
3. Piping Diagrams
62
Outdoor Units
 Low HEX Defrost Operation







t
t
SC
EEV
EEV
t i nU Gr oodn It i nU Gr oodn I
Indoor HEX
EEV
Indoor HEX
Fan
Fan
t
Outdoor
Temperature
Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor
Unit HEX
Temperature
Sensor
Low Hot
Vapor Valve
Sub 4-Way Valve
High Pressure
Sensor
Main 4-Way
Valve
Suction
Temperature
Sensor
Receiver
Receiver
Outlet
Low
Pressure Sensor
Comp 1
Discharge
Temperatue Sensor
Oil Separator
Liquid Pipe
Temperature Sensor
Low Pressure Vapor Pipe
High / Low Pressure Vapor Pipe
Liquid Pipe
Inverter
Comp 1
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Temperature Sensor
Accum
Pressure Switch
Upper Hot
Vapor Valve
Upper Outdoor EEV
Low Outdoor
EEV
Receiver
Inlet
SC
Suction
Oil Return
Heatsink
Active
Path
Comp 1
Vapor
Injection
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
SVC Valve
Check Valve
EEV
Solenoid Valve
Strainer
t
Fan
Motor
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
*14,16HP have 2fans.
3. Piping Diagrams
61
Multi V 5
Outdoor Units
 Upper HEX Defrost Operation







t
t
SC
EEV
EEV
iUGoodn Ii nU oodn I
Indoor HEX
EEV
Indoor HEX
Fan
Fan
t
Outdoor
Temperature
Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX
Temperature Sensor
Outdoor
Unit HEX
Temperature
Sensor
Low Hot
Vapor Valve
Sub 4-Way Valve
High Pressure
Sensor
Main 4-Way
Valve
Suction
Temperature
Sensor
Receiver
Receiver
Outlet
Low
Pressure Sensor
Comp 1
Discharge
Temperatue Sensor
Oil Separator
Liquid Pipe
Temperature Sensor
Low Pressure Vapor Pipe
High / Low Pressure Vapor Pipe
Liquid Pipe
Inverter
Comp 1
Sub-Cooling Circuit
Outlet Temperature Sensor
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Temperature Sensor
Accum
Pressure Switch
Upper Hot
Vapor Valve
Upper Outdoor EEV
Low Outdoor
EEV
Receiver
Inlet
SC
Suction
Oil Return
Heatsink
Active
Path
Comp 1
Vapor
Injection
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
SVC Valve
Check Valve
EEV
Solenoid Valve
Strainer
t
Fan
Motor
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
*14,16HP have 2fans.
■ Low HEX Defrost Operation■ Upper HEX Defrost Operation
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
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