Replacement Of The Thermistor (Evaporation, Thme); Replacement Of The Thermistor (Cooler Water Inlet, Thmwi) - Hitachi SAMURAI Series Service Manual

Condenserless water chillers
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3. Servicing
Cycle components

3.3.19 Replacement of the thermistor (Evaporation, THMe)

1 Cut  and  remove  the  plastic  bands  that  fixes 
the  insulation  of  the  discharge  pipe  thermistor 
(THMe).
2 Loosen the screw fixing the thermistor.
3 At  the  E-box,  disconnect  the  CN26TD  contact 
(or  the  Faston  terminals  9  and  10  of  multiple 
contact QCN3)
4 Remove the thermistor.
5 When reassembling after replacing the thermis-
tor (THMe, perform the procedure in the reverse 
order than removing.

3.3.20 Replacement of the thermistor (Cooler water inlet, THMwi)

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 re-
moving.
N O T E
Use sealant silicone inside the sensor sheath to
protect and avoid any leakage.
76
SMGB0097 rev.0 - 07/2015
Thermistor THMe
Evaporation pipe
Plastic bands
Cable gland
Sensor wiring
Sensor sheath
Fitting adaptor
Thermistor THMe
Screw
Thermistor (THMwi
Sensor

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