9. Piping Diagrams
9.2 3 / 4HP
Cooling Operation / Oil Return
Indoor Heat Exchanger
M
Fan
Outdoor
Temperature
Sensor
Press ure Sensor
Remarks
Press ure Switch
22 _
R410A(50/60Hz)
Electronic
Flare
Expansion Valve
Joint
Flare
Joint
Fan
DC
Outdoor Unit
HEX Temperature
Sensor
Comp
Discharge
Temperature
Sensor
Inverter
Compressor
Sub-cooling
Circuit Outlet
Temperature
Liquid Pipe
Sensor
Temperature
sensor
Sub-Cooler
Sub-Cooling EEV
Temperature Sensor
SVC Valve
Indoor Heat Exchanger
M
Fan
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
Low
Pressure
Sensor
Suction
Temperature
Sensor
Accumulator
Check valve
EEV
Electronic
Flare
Expansion Valve
Joint
Flare
Joint
Gas Pipe
Liquid Pipe
Outdoor Unit
Soleno id valve
Strainer