LG Multi IV Engineering Manual page 74

REFRIGERANT FLOW DIAGRAMS
Indoor HEX
Indoor HEX
Indoor HEX
Outdoor
Temperature
Sensor
Outdoor unit
HEX Temperature
Sensor
Upper
Outdoor
EEV
*8 and 10 Ton units have 2 fans.
Press u re Sensor
Remarks
Pressure Sw itch
74 | PRODUCT DATA
Fan
Indoor Unit
EEV
Fan
Indoor Unit
EEV
Fan
Indoor Unit
EEV
Fan
Indoor Unit
*
Fan
Fan M
M
High Pressure
S
Sensor
Active path
4-Way Valve
Low
SC suction
Suction
Hot Vapor Valve
S
Temperature
S
Sensor
S
Low
Pressure
Upper
Sensor
Hot Vapor Valve
Accum
Receiver
Receiver
outlet
Low
Outdoor
EEV
Oil Return
Sub-cooling Circuit
Outlet Temperature
Receiver
inlet
Sensor
Sub-Cooling HEX
Sub-cooling Circuit
inlet Temperature
Sensor
Sub-Cooling
Temperature Sensor
SVC Valve
©
Cooling-based Simultaneous Operation
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
Low Temperature Low Pressure Vapor
Pressure
Switch
Liquid Pipe
Temperature
Comp
Vapor Sensor
Oil
Injection
Separator
Comp
Discharge
Temperature
Sensor
Inverter
Comp1
Check Valve
EE V
Heat Recovery Unit
s
s
s
s
s
s
s
s
s
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Solenoid
Strainer
Valve