Bunn STFA, SA service manual SERVICE cont LIMIT THERMOSTAT

Models: SA STFA ST STA STF

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SERVICE (cont.)

SERVICE (cont.)

LIMIT THERMOSTAT

P1586

FIG. 4 LIMIT THERMOSTAT

Location:

The limit thermostat is located on the rear of tank assembly.

Test Procedures:

1.Disconnect the brewer from the power source.

2.Disconnect the blue and black wires from the limit thermostat.

3.Check for continuity across the limit thermostat terminals with a ohmmeter.

If continuity is present as described, the limit thermo- stat is operating properly. If continuity is not present as described, replace the limit thermostat.

Removal and Replacement:

1.Remove all wires from limit thermostat termi- nals.

2.Carefully slide the limit thermostat out from under the retaining clip and remove limit thermo- stat.

3.Carefully slide the new limit thermostat into the retaining clip.

4.Refer to FIG. 5 when reconnecting the wires.

BLK to Tank

 

 

 

 

BLK to BLU Lead from

Heater Switch

 

 

 

Control Thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1800

FIG. 5 LIMIT THERMOSTAT TERMINALS

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29251 052500

 

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Bunn STFA, SA service manual SERVICE cont LIMIT THERMOSTAT