Mitsubishi Heavy Industries FDT90VNPWVH Service Manual page 132

(Thi-R1)
Temperature sensor
(Heat
exchanger)
(Thi-R2)
4. PIPING SYSTEM
Model 90, 100 Model 90, 100
(1) FDT,FDU,FDUM,FDE series
Indoor unit
Temperature sensor
(Heat
exchanger)
(Thi-R3)
Temperature sensor
(Return air)
(Thi-A)
Heat
exchanger
Temperature sensor
(Heat
exchanger)
(Thi-R1)
Temperature sensor
(Heat
exchanger)
(Thi-R2)
Preset point of the protective devices
Temperature sensor (for protection overloading in heating)
Temperature sensor (for frost prevention)
Temperature sensor (for protection high pressure in cooling)
Temperature sensor (for detecting discharge pipe temperature)
(Flaare connecting)
Liquid pipe
(φ6.35)
Strainer
Reducer
(Accessory)
Indoor unit
Gas pipe
(φ15.88)
Outdoor unit
Service valve
Temperature sensor
(Heat (Flare connecting)
Gas pipe
exchanger)
(φ15.88)
(Thi-R3)
Temperature sensor
(Return air)
(Thi-A)
Check joint
Heat
4-way valve
exchanger
Temperature sensor
(Heat
exchanger)
(Thi-R1)
Temperature sensor
(Heat Liquid pipe
exchanger)
(φ9.52)
Service valve
(Thi-R2)
(Flare connecting)
Liquid pipe
(φ6.35)
Strainer
Reducer
(Accessory)
Parts name
Electronic
expansion valve
(EEV)
Capillary tube
Outdoor unit
Service valve
(Flare connecting)
Muffler
Discharge pipe
temperature sensor
Check joint
(TH3)
Discharge pipe
Accumulator
temperature sensor
(TH3)
4-way valve Muffler
Muffler
Compressor
Compressor
Service valve
Electronic
(Flare connecting)
Accumulator
expansion valve
(EEV)
Capillary tube
Electronic
expansion valve
Strainer
(EEV)
Capillary tube
Strainer
Mark Equipped unit
Th i -R1 or
Th i -R2
TH1
TH3
131
- -
Capillary tube
'19 • PAC-SM-334
Strainer
Heating cycle
Cooling cycle
Heating cycle
Cooling cycle
Outdoor air
temperature sensor
Accumulator
Heat
exchanger
Capillary
Accumulator
tube
Capillary tube
Heat
exchanger
temperature sensor
(TH1)
Strainer
FDT,FDU,FDUM,FDE series
OFF 63℃ , ON 56℃
Indoor unit
OFF 1.0℃ , ON 10℃
OFF 63℃ , ON 50℃
Outdoor unit
OFF 115℃ , ON 95℃
Outdoor air
temperature sensor
(TH2)
(TH2)
Heat
exchanger
Heat
exchanger
temperature sensor
(TH1)