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Table of Contents
Oil Return and Defrost Operation
Indoor HEX
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
REFRIGERANT FLOW DIAGRAMS
EEV
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
Hot Vapor Valve
Sensor
Accum
Receiver
Receiver
outlet
Low
Outdoor
EEV
Oil Return
Sub-cooling Circuit
Outlet Temperature
Receiver
Sensor
inlet
Sub-Cooling HEX
Sub-cooling Circuit
inlet Temperature
Sensor
Sub-Cooling
Temperature Sensor
SVC Valve
©
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
Low Temperature Low Pressure Vapor
Pressure
Switch
Liquid Pipe
Temperature
Comp
Sensor
Vapor
Oil
Injection
Separator
Comp
Discharge
Temperature
Sensor
Inverter
Comp1
Check Valve
EEV
Heat Recovery Unit
s
s
s
s
s
s
s
s
s
High Pressure Vapor Pipe
Low Pressure Vapor Pipe
Liquid Pipe
Solenoid
Valve
Strainer
PRODUCT DATA | 73

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