Bunn FMDA DBC-3 Mode D'Emploi

33

FIG. 24 LIMIT THERMOSTAT TERMINALS

P1682.40

FIG. 25 OVERFLOW PROTECTION SWITCH

Location:

The overflow protection switch is located in-

side the copper overflow cup on the left side of the
tank.

Test Procedures:
1. Disconnect the dispenser from the power source.
2. Remove the wire nuts connecting the red wires

from the overflow protection switch to the violet
wire  and blue wire from the main harness.

3. Check for continuity across the safety overflow

switch red wires only until the plastic float is raised
and check that continuity returns when the plastic
float is again lowered.

FIG. 23 LIMIT THERMOSTAT

P1682.40

Location:

The limit thermostat is located in the center of

the tank lid.

Test Procedures:
1. Disconnect the dispenser from the power source.
2. Disconnect both black wires from the limit ther-

mostat.

3. Check for continuity across the limit thermostat

terminals.

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 the limit thermostat termi-

nals.

2. Carefully slide the limit thermostat out from un-

der the retaining clip and remove the limit ther-
mostat.

3. Carefully slide the new limit thermostat into the

retaining clip.

4. Refer to Fig. 24 when reconnecting the wires.

P1984.80

BLK to Tank Heater

BLK to Control

Thermostat

29215 101599