Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual page 34

(3) Triple type
Model FDTC140
(3) Triple type
Model 140
Indoor unit Indoor unit
Preset point of the protective devices
Parts name
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 temp.)
High pressure switch
(for protection)
Low pressure sensor
(for protection)
Note(1) Values in ( ) shown in the case of SRC40, 50, 60 models.
Indoor unit
Temperature sensor
(Heat exchanger)
Temperature sensor
(Heat exchanger)
Temperature sensor
(Heat exchanger)
Flare
connecting
(φ6.35)
Equipped
Mark
FDT40, 50, 60 model
unit
Thi-R
Indoor unit
Thi-R
Tho-R
Outdoor unit
(TH1)
Tho-D
Outdoor unit
(TH3)
63H1 Outdoor unit
LPT Outdoor unit
Gas branch
pipe
Outdoor unit
(φ12.7)
Check joint
Gas line
Muffler
(φ15.88)
Flare connecting
Service valve
(Flare connecting)
(Thi-R3)
Temperature sensor
(Return air)
(Thi-A)
Heat exchanger
(Thi-R1)
Temperature sensor
Temperature sensor
(Thi-R2)
Liquid branch pipe
Service valve
(φ9.52)
(Flare connecting)
Liquid line
(φ9.52)
Diameter joint
of different
OFF 63℃
ON 53℃
OFF 115℃
ON 95℃
―
―
33
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Receiver
'19 • PAC-T-327
Cooling cycle
Temperature sensor
4-way valve
Heat exchanger
High pressure
switch
Check
(63H1)
valve
Lower pressure sensor
Muffler
Temperature sensor
(Tho-S)
(Discharge)
(Tho-D)
Compressor
(Suction)
Strainer Strainer Strainer
Electronic
expansion valve
(cooling)(EEVC)
Receiver
FDT71, 100, 125, 140 model
OFF 63℃
ON 56℃
OFF 1.0℃
ON 10℃
OFF 65℃
ON 51℃
OFF 115℃
ON 85℃
OFF 4.15MPa
ON 3.15MPa
OFF 0.079MPa
ON 0.227MPa
Heating cycle
(Tho-A)
Check joint
(LPT)
(Tho-R1)
Accumulator
Temperature sensor
(Tho-R2)
Sub-cooling
coil
Strainer
Electronic
expansion valve
(heating)(EEVH)