Bunn VPR VPS Mode D’Emploi

Page 14

WHI to WHI Lead on Power Cord 
(120V Brewers)
RED to Power Connector 
(220V Brewers)

WHI /RED, VIO or BRN/BLK
 to ON/OFF Switch

P1255

FIG. 14 WARMER ELEMENT TERMINALS

P3447

FIG. 13 WARMER ELEMENT

Location:

The  warmer elements are located under the

warmer plates.

Test Procedures:
1.

Disconnect the brewer from the power source.

2.

Use the white to the power cord or red wire to the
power connector and the white/red, violet or
brown/black wire on the "ON/OFF" switch.

3.

Check voltage across the white or red and white/
red, violet or brown/black with a voltmeter with
the "ON/OFF" switch in the "ON" position. Plug-in
the brewer to the power source. The indication
must be:
a) 120 volts ac for two wire 120 volt models.
b) 220  volts ac for two wire 220 volt models.

4.

Disconnect the brewer from the power source.

If voltage is present as described, proceed to #5.
If voltage is not present as described, refer to wiring
diagrams and check brewer wiring harness.

5. Remove both wires from the warmer element and

check the continuity across the two terminals on
the warmer element.

If continuity is present as described, reconnect the
wires on the warmer element.
If continuity is not present as described, replace the
warmer element.

Removal and Replacement:
1. Remove the three #4-40 screws securing the

warmer assembly to the brewer.

2. Lift the warmer assembly from the brewer.
3. Disconnect the two wires from the warmer ele-

ment terminals.

4. Remove the two #8-32 nuts securing the warmer

element to the warmer plate.

5. Securely install new warmer element.
6. Reconnect the two wires to warmer element termi-

nals.

7. Securely install warmer assembly on the brewer.
8. Refer to Fig. 14 when reconnecting the wires.

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