Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 185

(2) Twin type
Model 200
Indoor unit
Refrigerant line (one way) pipe size
Model Gas line
In case of φ22.22 : 35m
200
In case of φ25.4 orφ28.58 : 70m (200)
Preset point of the protective devices
Parts name
Temperature sensor
(for protection over-
loading in heating)
Temperature sensor
(for frost prevention)
Temperature sensor
(for protection high
pressure in cooling)
Temperature sensor
(for detecting discharge
pipe temperature)
High pressure switch
(for protection)
Low pressure sensor
(for protection)
Liquid
branch pipe
(φ9.52)
Gas branch pipe
(φ15.88)
Indoor unit
Flare connecting
Temperature sensor
(Heat exchanger)
( Th2 )
2
Temperature sensor
(Room air)
(Th1)
Heat exchanger
Humidity sensor
(Th3)
Temperature sensor
(Heat exchanger)
(Th2 )
1
Flare connecting
Liquid line
Liquid
branch pipe
(φ9.52)
Liquid line
In case of φ9.52 : 40m (200)
In case of φ12.7 : 70m (200)
Equipped
Mark
unit
Outdoor unit
Th o -A
Th 2 Indoor unit
Outdoor unit
Tho-R
Outdoor unit
Tho-D
63H1 Outdoor unit
PSL Outdoor unit
184
-
Service valve Strainer
(Flare connecting)
Electronic
expansion valve
(cooling)(EEVC)
Outdoor unit
Check joint
Gas line Muffler
Service valve
(Flare connecting)
Check
valve
High pressure
switch
(63Hl)
Oil separator
Solenoid Strainer
Capillary
valve(SV6)
tube
Solenoid
Capillary
valve(SV1)
tube
Check joint
Strainer Strainer
Electronic
Service valve
expansion valve
(Flare connecting)
(cooling)(EEVC)
200 model
Active 17˚C
Inactive 16˚C
Active 2.5˚C
Inactive 8˚C
Active 64˚C
Inactive 50˚C
Active 115˚C
Inactive 85˚C
Active 4.15MPa
Inactive 3.15MPa
Active 0.079MPa
Inactive 0.227MPa
-
Strainer Strainer Strainer
Electronic
expansion valve
(heating)(EEVH)
'22 • PAC-SM-422
Receiver
Cooling cycle Heating cycle
4-way valve
Temperature sensor
(Tho-A)
Check joint
Lower pressure
sensor
(PSL)
Heat exchanger
Temperature sensor
Temperature sensor
(Tho-S)
(Tho-D)
Accumulator
Temperature sensor
(Discharge)
Capillary
(Tho-R1)
(Suction)
tube
Compressor
Subcooling
Temperature sensor
coil
(Tho-H)
Strainer
Strainer Strainer
Electronic
expansion valve
(heating)(EEVH)
Receiver
Temperature sensor
(Tho-R2)