Mitsubishi FDT100VNXWVH Service Manual page 198

1.5 PIPING SYSTEM
(1) Single type
Models FDT71, 100, 125, 140
Models 100, 125, 140
Indoor unit
(2) Twin type
(2) Twin type
Models 100, 125, 140
Models FDT71, 100, 125, 140
Indoor unit
(3) Triple type
Model FDT140
Indoor unit Indoor unit
(Flare connecting)
Liquid line
Strainer
Outdoor unit
Check joint
Gas line
(φ15.88)
Service valve
Flare connecting
(Flare connecting)
Temperature sensor
(Heat exchanger)
High pressure
(Thi-R3 or Th2 )
switch
2
Temperature sensor
(Return air)
(Thi-A or Th1)
Heat exchanger
Temperature sensor
(Heat exchanger)
(Thi-R1)
Humidity sensor
(Th3)
Temperature sensor
(Heat exchanger)
Check joint
(Thi-R2 or Th2 )
1
Flare connecting
Liquid line
Service valve
(φ9.52)
(Flare connecting)
Gas branch pipe
(40-60:
Indoor unit
Flare connecting
Temperature sensor
(Heat exchanger)
(Thi-R3 or Th2 )
2
Temperature sensor
(Return air)
(Thi-A or Th1)
Heat exchanger
Temperature sensor
(Heat exchanger)
(Thi-R1)
Humidity sensor
(Th3)
Temperature sensor
(Heat exchanger)
(Thi-R2 or Th2 )
1
Flare connecting
(40-60:
φ6.35,71:φ9.52)
Diameter joint
Liquid
of different
branch pipe
(40-60 only)
(φ9.52)
Indoor unit
Capillary tube
Cooling cycle
4-way valve
Muffler
Check
valve
Temperature sensor
63H1
(Tho-S)
Muffler
Temperature sensor
(Tho-D)
(Discharge)
Compressor
(Suction)
Strainer Strainer
Electronic
expansion valve
(cooling)(EEVC)
φ12.7,71:φ15.88)
Outdoor unit
Check joint
Gas line
Muffler
(φ15.88)
Service valve
(Flare connecting)
High pressure
switch
(63H1)
Temperature sensor
(Tho-S)
Temperature sensor
(Tho-D)
Check joint
Liquid line
(φ9.52)
Service valve
(Flare connecting)
Strainer
197
- -
Gas branch
pipe
Outdoor unit
(φ12.7)
Check joint
(EEV)
Muffler
'20 • PAC-SM-351
Heating cycle
Temperature sensor
(Tho-A)
Check joint
Heat exchanger
Low pressure sensor
(PSL)
Temperature sensor
(Tho-R1)
Accumulator
Temperature sensor
(Tho-R2)
Sub-cooling
coil
Strainer Strainer
Electronic
expansion valve
(heating)(EEVH)
Receiver
Cooling cycle
Temperature sensor
(Tho-A)
Check joint
4-way valve
Heat exchanger
Check
valve
Low pressure sensor
(PSL)
Muffler
Temperature sensor
(Tho-R1)
(Discharge)
Accumulator
Compressor
Temperature sensor
(Tho-R2)
(Suction)
Sub-cooling
coil
Strainer Strainer
Electronic
Electronic
expansion valve
expansion valve
(heating)(EEVH)
(cooling)(EEVC)
Receiver
Cooling cycle
Heating cycle
Strainer
Heating cycle