Limit Thermostat - Bunn Single SH Operating And Service Manual

SERVICE (cont.)

LIMIT THERMOSTAT

22978.0000
FIG. 8 LIMIT THERMOSTAT
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.
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P2230
Page 19
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.
BLK to Terminal
Block (Black Insert)
FIG. 9 LIMIT THERMOSTAT TERMINALS
BLK to Tank
Heater (Left Terminal)
BLK to Contactor
Terminal
P833
28230 092200