s
s
s
s
s
s
s
Pressure Sensor
Pressure Switch
Remarks
Temperature Sensor
SVC Valve EEV
Check Valve
Strainer
Solenoid Valve
M
M
SC
EEV
EEV
Indoor Unit
Indoor Unit
Indoor HEX EEV
Indoor HEX
Outdoor
Sensor
Outdoor Unit HEX
Temperature
Outdoor Unit HEX
Temperature Sensor
Outdoor Unit HEX
Temperature Sensor
Low Hot
Temperature Sensor
Vapor Valve
High Pressure
Sensor
4-Way Valve 2
Suction
4-Way Valve 1
Sensor
Temperature
Receiver
Receiver
Outlet
Low
Pressure Sensor
Comp
Discharge
Oil Separator
Liquid Pipe
Temperatue Sensor
Not Used
Temperature Sensor
Liquid Pipe
Vapor Pipe
Inverter
Comp
Sub-Cooling Circuit
Sub-Cooling HEX
Sub-Cooling Circuit Inlet
Outlet Temperature Sensor
Accum
Temperature Sensor
Pressure Switch
Upper Hot
Upper Outdoor EEV
Vapor Valve
Low Outdoor
EEV
Receiver
Inlet
SC
Suction
Oil Return
Heatsink
Active Path
Valve
Injection
Comp Vapor
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
High Temperature High Pressure Liquid (Conditional)
Low Temperature Low Pressure Vapor
Bypass EEV
Bypass Temp
M
M
Fan
*8, 10, 12HP unit
have 1 fan
Motor
CompComp
DomeDome
SensorSensor
T
Teemperature mperature
5. Piping Diagrams