Removal And Replacement Of Thermistor - Hoshizaki KMS-1230MLH Service Manual

6) Disconnect the terminals from the water valve.
7) Remove the bracket and water valve from the unit.
8) Install the new water valve and replace the removed parts in the reverse order of which
they were removed.
9) Close the water supply line drain valve.
10) Open the water supply line shut-off valve.
11) Turn on the power supply and check for leaks.
1) Replace the panels in their correct positions.

6. Removal and Replacement of Thermistor

1. Fragile, handle very carefully.
. Always use a recommended sealant (High Thermal Conductive Type),
Model KE4560RTV manufactured by SHINETSU SILICONE, Part Code
60Y000-11, or Part Code 4A0683-01 equivalent.
3. Always use a recommended foam insulation (Non-absorbent Type) or
equivalent.
4. Do not shorten or cut the thermistor leads when installing.
1) Turn off the power supply.
) Remove the panels.
3) Remove the control box cover.
4) Disconnect the thermistor leads from the
K3 connector on the control board.
5) Remove the plastic cable ties, foam
insulation, thermistor holder and thermistor.
6) Scrape away the old sealant on the
thermistor holder and the suction pipe.
7) Wipe off moisture or condensation on the
suction pipe.
8) Smoothly apply recommended sealant (KE4560RTV, Part Code 60Y000-11 or
4A0683-01) to the thermistor holder concave.
9) Attach the new thermistor to the suction pipe in the same position as the previous
thermistor. Be very careful to prevent damage to the leads. Secure it using the
thermistor holder and recommended foam insulation.
10) Secure the insulation using plastic cable ties.
11) Connect the thermistor leads through the bushing of the control box to the K3 connector
on the control board.
Note: Do not cut the leads of the thermistor while installing it.
1) Replace the control box cover and the panels in their correct positions.
CAUTION
Thermistor Lead
Foam Insulation
48
Cable Tie
Thermistor Holder
Fig. 4