Thermistor (Cooler Water Outlet, Thmwo2); Thermistor (Cooler Water Outlet, Thmwo); Replacement Of The Solenoid Valves (Sva, Svb, Svc) - Hitachi SAMURAI Series Service Manual

Water cooled water chillers -modular-r134a-screw type
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3 Servicing
Cycle components

3.3.22 Thermistor (Cooler water outlet, THMwo2)

1 Unscrew the nut of the cable gland
2 Gently pull the sensor wiring upwards.
!
C A U T I O N
Sensor sheath is full of sealing silicone. Use gloves
and eye goggles for protection in order to avoid
possible injuries to eyes and skin.
3 Disconnect the 3 and 1 Faston terminals or
the CN5 connector at the E-box
4 Replace the thermistor in reverse order than
removing.
?
N O T E
Use sealant silicone inside the sensor sheath to
protect and avoid any leakage.

3.3.23 Thermistor (Cooler water outlet, THMwo)

To remove the thermistor THMwo, proceed as follows:
1 Unscrew the nut of the cable gland
2 Gently pull the sensor wiring upwards.
?
C A U T I O N
Sensor sheath is full of sealing silicone. Use gloves
and eye goggles for protection in order to avoid
possible injuries to eyes and skin.
3 Disconnect the 3 and 1 Faston terminals or
the CN5 connector at the E-box
4 Replace the thermistor in reverse order than
removing.
?
N O T E
Use sealant silicone inside the sensor sheath to
protect and avoid any leakage.

3.3.24 Replacement of the solenoid valves (SVa, SVb, SVc)

1 Remove the screw with a Phillips screwdriver.
2 Gently pull the coil and remove it from the
valve.
3 Remove 2 M6 screws that fixes the valve in
the compressor.
4 Replace the valve in reverse order than
removing.
?
N O T E
Table of connections at compressor E-box
SVa
SVb
15/16
13/14
77
SMGB0120 rev.0 - 11/2017
Sensor wiring
Solenoid valves
(SVa, SVb, SVc)
SVc
11/12
Cable gland
Sensor sheath
Fitting adaptor
Sensor wiring
Cable gland
Fitting adaptor
Sensor sheath
Sensor
Screw
Thermistor
(THMwo2)
3
Sensor

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