Bunn STA 用户手册

Page 16

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.

P1800

P1586

FIG. 4 LIMIT THERMOSTAT

FIG. 5 LIMIT THERMOSTAT TERMINALS

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.

29251 052500

BLK to Tank
Heater Switch

BLK to BLU Lead from
Control Thermostat