KMD-901MRH - Hoshizaki America, Inc.

I. Removal and Replacement of ThermistorIMPORTANT1. Fragile, handle very carefully.2. Always use the recommended sealant (high thermal conductive type), ModelKE4560RTV manufactured by SHINETSU SILICONE, Part Code 60Y000‐11,or Part Code 4A0683-01 or equivalent.3. Always use the recommended foam insulation (non-absorbent type) orequivalent.4. Do not shorten or cut the thermistor leads.1) Turn off the power supply.2) Remove the panels.Thermistor Lead Cable Tie3) Remove the control box cover.4) Disconnect the thermistor leads from theK3 connector on the control board.5) Remove the plastic cable ties, foaminsulation, thermistor holder and thermistor.See Fig. 2.6) Scrape away the old sealant on thethermistor holder and the suction pipe.Foam Insulation Thermistor Holder7) Wipe off moisture or condensation on theFig. 2suction pipe.8) Smoothly apply recommended sealant (KE4560RTV, Part Code 60Y000-11 or4A0683‐01) to the thermistor holder concave.9) Attach the new thermistor to the suction pipe in the same position as the previousthermistor. Be very careful to prevent damage to the leads. Secure it using thethermistor holder and recommended foam insulation.10) Secure the insulation using the plastic cable ties.11) Connect the thermistor leads through the bushing of the control box to the K3 connectoron the control board.Note: Do not shorten or cut the thermistor leads.12) Replace the control box cover and the panels in their correct positions.13) Turn on the power supply.49