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Ceiling Concealed Duct
5. Refrigerant Cycle Diagrams
Model : B36AWYU4G5A , B42AWYU4G5A
Refrigerant Flow
Cooling
Heating
Liquid pipe connection port
(flare connection)
Indoor Unit
Sensor for
Heat exchanger inlet
temperature
Sirocco Fan
Sensor for
M
Heat exchanger outlet
temperature
Cooling
Heating
Heat exchanger
Gas pipe connection port
(flare connection)
Unit
Sensor for suction air temperature
Indoor
Sensor for Heat exchanger inlet temperature
Sensor for Heat exchanger outlet temperature
Sensor for suction temperature
Sensor for discharge temperature
Sensor for Heat exchanger outlet temperature
Outdoor
Sensor for Heat exchanger inlet air temperature
Sensor for Heat exchanger temperature
Pressure Sensor
■ Refrigerant pipe connection port diameters
Model
B36AWYU4G5A
B42AWYU4G5A
Outdoor Unit
Ø9.52
Flare Connection
Liquid Side
Strainer
Strainer
Piping
Electronic
Expansion
Valve
Sensor for
suction air
temperature
Gas Side
Ø15.88
Piping
Flare Connection
Accumulator
Description
Gas
Ø15.88
Sensor for
Heat exchanger
outlet temperature
Sensor for
Heat exchanger
temperature
Pressure
Sensor
4 way
Valve
Sensor for
discharge
temperature
Sensor for
suction
Inverter
temperature
Compressor
PCB Connector
CN-ROOM
CN-PIPE / IN
CN-PIPE / OUT
CN_SUCTION
CN_DISCHARGE
CN_Mid
CN_AIR
CN_C PIPE
P-SENSOR(H)
Inverter
Sensor for
Heat exchanger
inlet air temperature
M
Liquid
Ø9.52
_ 19
50Hz/R410A
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