Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 427

Model FDENP508HES-S
Indoor unit
Strainer
Capillary
tube
Strainer
Preset point of the protective devices
Parts name
Thermistor
(for protection over loading in
heating)
Thermistor
(for frost prevention)
Thermistor
(for detecting discharge pipe
temp.)
Thermistor
(for detecting heat exchange
temp.)
High pressure switch
(for controlling FMo)
High pressure switch
(for protection)
High pressure switch (63H
(For fan motor control)
Gas line
Service valve
(Flare connecting)
(ø19.05)
High pressure
switch (63H )
1
Thermistor
(Th -A)
I Check joint
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
Mark Equipped unit
Th -R Indoor unit
I
Th -D Outdoor unit
O
Th -R Outdoor unit
O
63H Outdoor unit
2
63H Outdoor unit
1
)
2 Cooling cycle
Heating cycle
4 way valve
Check joint
Capillary tube
Oil separator
Capillary
tube
Accumulators
Solenoid
valve (SV1)
Solenoid
valve (SV2)
Strainer
tube
Check valve
FDEN208, 258 type
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF 2.5MPa (25.5kgf/cm
ON 2.06MPa (21kgf/cm
FDEN-H
Outdoor unit
Thermistor
(Th -A)
O
Heat exchanger
Sub-
cooling
coil
Thermistor
(Th -R)
O
Capillary tube
FDENP208~258 type
68 °C
61 °C
2.5 °C
10 °C
135 °C
90 °C
70 °C
60 °C
2 )
2 )
OFF 3.24MPa (33kgf/cm
ON 2.65MPa (27kgf/cm
425
2 )
)
2