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Service, Page 21 – Bunn Dual Voltage Models Starting at Serial #024477 CDBC User Manual

Page 21

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Page 21

CA

UTION :

WARMERS AND SURFACES ARE HOT

CAUTION

DIS

CA

RD D

EC

AN

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R

IF:

!

BUNN

MANUFACTURED BY BUNN-O-MATIC CORPORATION

SPRINGFIELD, ILLINOIS, U.S.A.

MODEL

S/N

VOLTS A.C. AMP WATTS

PHASE WIRE HERTZ

COVERED UNDER ONE OR MOREOF THE FOLLOWING PATENTS :

ONE OR MORE OTHER PATENTS MAY BE PENDING

!

CAUTION

DIS

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RD

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IF:

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SERVICE

This section provides procedures for testing and

replacing various major components used in this
brewer should service become necessary. Refer to
Troubleshooting for assistance in determining the
cause of any problem.

WARNING - Inspection, testing, and repair of electri-
cal equipment should be performed only by qualified
service personnel. The brewer should be unplugged
when servicing, except when electrical tests are re-
quired and the test procedure specifically states to
plug in the brewer.

COMPONENT ACCESS

WARNING - Disconnect the brewer from the power
source before the removal of any panel or the replace-
ment of any component.

All components are accessible by the removal of

the top cover or warmer housing, front access panel
and warmer plate(s).

The top cover is attached with one #4-40 screw.

The front access panel is attached with four #6-32

screws.

Each warmer assembly is attached with three #4-

40 screws.

P1889

Contents

Control Board .................................................... 22
Switch Panel ...................................................... 23
Dispense Valve .................................................. 24
Limit Thermostat ............................................... 25
Tank Heaters ...................................................... 26
Voltage Selector Switch ..................................... 28
Refill Valve ......................................................... 29
Warmer Elements .............................................. 30
Wiring Diagrams ............................................... 31

FIG. 1 COMPONENT ACCESS

29707.1 082803