Page 20
BUNN
MANUFACTURED BY BUNN-O-MATIC CORPORATION
SPRINGFIELD, ILLINOIS, U.S.A.
MODELS/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
DISCONNECT FROM POWER SOURCE
BEFORE REMOVAL OF ANY PANEL OR
REPLACEMENT OF ANY COMPONENT!
WARNING
!
CAUTION :
WARMERS AND SURFACES ARE HOT
BUNN
MANUFACTURED BY BUNN-O-MATIC CORPORATION
SPRINGFIELD, ILLINOIS, U.S.A.
MODELS/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
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 and front access
panel.
The top cover is attached with one #4-40 screw.
The front access panel is attached with four #6-32
screws.
P1913
Contents
Control Board - CDBC-APS/TS/TSR................... 21
Control Board - CEZ-APS/TS/TSR...................... 22
Switch Panel - CDBC-APS/TS/TSR ...................23
ON/OFF Switch - CEZ-APS/TS/TSR.................... 24
BREW Switch (Start) - CEZ-APS/TS/TSR........... 25
Dispense Valve ..................................................26
Limit Thermostat ...............................................27
Tank Heater ....................................................... 28
Refill Valve......................................................... 30
Wiring Diagrams............................................... 31
FIG. 1 COMPONENT ACCESS
29253 030101