'22 • PAC-SM-412
-
115
-
Model 125
(Heat
exchanger)
(Thi-R1)
Temperature sensor
(Heat
exchanger)
(Thi-R2)
Liquid pipe
(φ6.35)
Service valve
(
Flaare connecting
)
Temperature sensor
(Heat
exchanger)
(Thi-R1)
Temperature sensor
(Heat
exchanger)
(Thi-R2)
Electronic
expansion valve
Strainer
Receiver
Strainer
Capillary tube
(TH1)
(EEV)
Capillary tube
Indoor unit Outdoor unit
Cooling cycle
Heating cycle
Temperature sensor
(Return air)
(Thi-A)
Temperature sensor
(Heat
exchanger)
(Thi-R3)
Heat
exchanger
Gas pipe
(φ15.88)
Liquid pipe
(φ9.52)
Service valve
(
Flare connecting
)
Check joint
Service valve
(
Flare connecting
)
Electronic
expansion valve
Strainer Strainer
Capillary tube
Outdoor air
temperature sensor
Muffler
Compressor
Discharge pipe
temperature sensor
4-way valve
(TH3)
(TH2)
Heat
exchanger
temperature sensor
(TH1)
(EEV)
Capillary
tube
Heat
exchanger
Accumulator
Accumlator
Preset point of the protective devices
Parts name Mark Equipped unit
FDT,FDE,FDU,FDUA series
Temperature sensor (for protection overloading in heating)
Th
i-R1 or
Thi-R2
Indoor unit
OFF 63℃ , ON 56℃
Temperature sensor (for frost prevention)
OFF 1.0℃ , ON 10℃
Temperature sensor (for protection high pressure in cooling)
TH1
Outdoor unit
OFF 63℃ , ON 53℃
Temperature sensor (for detecting discharge pipe temperature)
TH3
OFF 115℃ , ON 95℃
Indoor unit Outdoor unit
Cooling cycle
Heating cycle
Temperature sensor
(Return air)
Temperature sensor
(Heat
exchanger)
(Thi-A)
(Thi-R1)
Temperature sensor
(Heat
exchanger)
(Thi-R3)
Temperature sensor
(Heat
exchanger)
(Thi-R2)
Heat
exchanger
Gas pipe
(φ15.88)
Liquid pipe
(φ9.52)
Service valve
(
Flare connecting
)
Check joint
Service valve
(
Flare connecting
)
Electronic
expansion valve
Strainer Strainer
Capillary tube
Outdoor air
temperature sensor
Muffler
Compressor
Discharge pipe
temperature sensor
4-way valve
(TH3)
(TH2)
Heat
exchanger
temperature sensor
(TH1)
(EEV)
Capillary tube
Heat
exchanger
Accumulator
Muffler
Accumulator
4. PIPING SYSTEM
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