LG Multi IV Engineering Manual page 61

Heating Mode
Indoor Heat Exchanger
M
Fan
Outdoor
Temperature
Fan
M
Sensor
Outdoor Unit
HEX Temperature
Sensor
Lower HEX
Hot Vapor Valve
Upper HEX
Hot Vapor Valve
Upper
Lower
Outdoor
Outdoor
EEV
EEV
Sub-cooling Circuit
Outlet Temperature
Sensor
Sub-cooling Circuit
Inlet Temperature
Sensor
*8 ton and 10 ton units have 2 fans.
Press ure Sensor
Remarks
Press ure Switch
REFRIGERANT FLOW DIAGRAMS
Electronic
Expansion Valve
High Pressure
4-Way Valve
SC suction
Suction
Temperature
Sensor
Accum
Receiver
Receiver
Outlet
Oil Return
Receiver
Inlet
Sub-cooling HEX
Sub-cooling
Temperature Sensor
SVC Valve
©
Indoor Heat Exchanger
M
Pressure
Sensor
Switch
Oil
Separator
Low
Pressure
Sensor
Inverter
Comp1
Check Valve
EEV
Electronic
Expansion Valve
Fan
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
Low Temperature Low Pressure Vapor
Charging Port
Liquid Pipe
Temperature
Sensor
Comp
Vapor
Injection
Comp
Discharge
Temperature
Sensor
Soleno id Valve
Strainer
PRODUCT DATA | 61
Vapor Pipe
Liquid Pipe