Bunn Single SH Guía Del Usuario

Page 19

Location:

The limit thermostat  is located inside the hood on

the tank lid just to the left of the  tank heater.

Test Procedure:
1. Disconnect the brewer from the power supply.
2. Disconnect both black wires from the limit ther-

mostat.

3. Check for continuity across the limit thermostat

terminals with a ohmmeter.

If  continuity  is  present  as  described,  reconnect  the
black wires to the limit thermostat , the limit thermo-
stat is operating properly.
If  continuity  is  not  present  as  described,  press  the
reset button on the limit thermostat and repeat step
#3.
After repeating step #3 and no continuity is shown,
replace the limit thermostat.

FIG. 8 LIMIT THERMOSTAT

22978.0000

P2230

P833

FIG. 9 LIMIT THERMOSTAT TERMINALS

BLK to Terminal 
Block (Black Insert)

BLK to Tank
Heater (Left Terminal)
BLK to Contactor
Terminal

Removal and Replacement:
1. Remove all wires from the limit thermostat termi-

nals.

2. Carefully remove the two #8-32 nuts securing the

limit thermostat to tank lid and remove limit ther-
mostat.

3. Carefully secure new limit thermostat  to tank lid.
4. Refer to Fig. 9 when reconnecting the wires.

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