Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 606

FDU-H
15.2.5 Piping system
Models FDU308HEN-SA, 308HES-SA, 408HES-SA
Indoor unit
Strainer
Capillary
tube
Strainer
Model FDU508HES-SA
Indoor unit
Strainer
Capillary
tube
Strainer
604
Gas line
Service valve
( 308:ø15.88 )
(Flare connecting)
408:ø19.05
Check joint
Thermistor
(Th -A)
I
Heat exchanger
Thermistor
Solenoid
(Th -R)
I
valve
(SV1)
Check
joint
Liquid line
(ø9.52)
Strainer
Flare
(Flare connecting)
connecting
High pressure switch (63H
(For fan motor control)
Gas line
Service valve
(ø19.05)
(Flare connecting)
Check joint
Thermistor
Oil separator
(Th -A)
I
Thermistor
Heat exchanger
(Th -D)
O
Thermistor
(Th -R)
I
Compressor
Check
Capillary
joint
Liquid line
(ø9.52)
Strainer
Service valve
(Flare connecting)
Flare connecting
Cooling cycle
Heating cycle
High pressure switch (63H )
2
(For fan motor control)
4way valve
Check joint
Muffler
Compressor
Accumulator
Capillary
tube
Thermistor
(Th -D)
O Strainer
Check valve
Service valve
Capillary tube
)
Cooling cycle
2
Heating cycle
4way valve
Check joint
Capillary tube
Capillary
tube
Accumulators
Solenoid
valve (SV1)
Solenoid
valve (SV2)
Strainer
tube
Check valve
Outdoor unit
Thermistor
(Th -A)
O
Heat exchanger
Thermistor
(Th -R)
O
Sub-
cooling
coil
Solenoid valve (SV2)
Outdoor unit
Thermistor
(Th -A)
O
Heat exchanger
Sub-
cooling
coil
Thermistor
(Th -R)
O
Capillary tube