Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 52)

H. Removal and Replacement of Thermistors and Thermostat

CAUTION

1. The thermistors are fragile; handle very carefully.

2. Do not shorten or cut the thermistor leads.

1. Cabinet Thermistor

1)Removetherefrigerationsystemcartridge.Performsteps1through16in"IV.B.2.

Pump‑DownProcedure."Oncetherefrigerationsystemcartridgeisout,proceedto

step 2.

2) Cut the cable tie holding the cabinet thermistor to the cabinet thermistor bracket.

Remove the thermistor. See Fig. 5.

3) Disconnect the thermistor wire connector (below the control box).

4) Install the new thermistor and secure it to the cabinet thermistor bracket. Connect the

thermistor connector.

5)Oncetherepairiscomplete,returntostep17in"IV.B.2.Pump‑DownProcedure"for

refrigeration system cartridge replacement.

2. Defrost Thermistor

1)Removetherefrigerationsystemcartridge.Performsteps1through16in"IV.B.2.

Pump‑DownProcedure."Oncetherefrigerationsystemcartridgeisout,proceedtostep

2) Remove the tape securing the defrost thermistor to the evaporator shroud. Cut the

cable tie holding the defrost thermistor to the shroud. Remove the defrost thermistor.

See Fig. 5.

3) Disconnect the defrost thermistor wire connector (below the control box).

4) Install the new defrost thermistor and secure to the evaporator shroud. Connect the

defrost thermistor connector.

5)Oncetherepairiscomplete,returntostep17in"IV.B.2.Pump‑DownProcedure"for

refrigeration system cartridge replacement.

Fig. 5

Defrost Thermostat

Cabinet Fan

Motors

Cabinet Thermistor

Defrost Thermistor

Defrost Heater

Evaporator Shroud

Cabinet Thermistor Bracket

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 65 66

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 52