Service, Troubleshooting, Page 12 – Bunn Dual TF User Manual
Page 12
Page 12
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 - Unplug the brewer before the removal of
any panel or the replacement of any component.
All components are accessible by the removal
of the top cover, front inspection panel and server
platform.
The top cover is attached with four #4-40 slot-
ted head screws.
The front inspection panel is attached with
seven #6-32 slotted head screws.
The sever platform is attached with four #6-32
slotted head screws.
Contents
Brew Selector Switch ............................................ 14
Bypass Valve ........................................................ 13
Contactor Assembly.............................................. 16
Control Thermostat ............................................... 18
Dispense Valve ..................................................... 19
Electronic Control .................................... 20 thru 25
Grinder Selector Switch ........................................ 25
Level Control Board and Level Probe .................... 26
Limit Thermostat .................................................. 27
ON/OFF Switch...................................................... 28
Overflow Protection Switch .................................. 30
Relay .................................................................... 31
Server Sensor ....................................................... 29
Solenoid ............................................................... 33
Start Switch (Brew) .............................................. 34
Tank Heaters ......................................................... 35
Timers ............................................................. 36,38
Wiring Diagrams ...................................... 40 thru 47
P970
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Chec
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Bre
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2.
McDonald's Bre
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200
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(3-18-96)
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!
CAUTION
!
H O T
L I Q U I D
CAUTION
!
H O T
L I Q U I D
!
CAUTION
HOT WATER
DISCONNECT FROM POWER SOURCE
BEFORE REMOVAL OF ANY PANEL OR
REPLACEMENT OF ANY COMPONENT!
W
AR
NIN
G
!
27124 062100