Bunn TB3 User Guide
Page 15
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.
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 qualifi ed
service personnel. The brewer should be disconnected
from the power source when servicing, except when
electrical tests are required and the test procedure
specifi cally states to plug in the brewer.
cal equipment should be performed only by qualifi ed
service personnel. The brewer should be disconnected
from the power source when servicing, except when
electrical tests are required and the test procedure
specifi cally 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.
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 and rear inspection panel.
The top cover is attached with one #6-32 screw.
Removal of the top cover will allow access to ON/OFF
switch, start switch, brew timer, dilution timer, control
thermostat, limit thermostat and tank heater,
switch, start switch, brew timer, dilution timer, control
thermostat, limit thermostat and tank heater,
The rear inspection panel is attached with six #8-32
screws. Removal of the rear panel will allow access to
the brew solenoid valve, dilution solenoid valve and
the sweetener solenoid valve (optional), .195 GPM &
.750 GPM fl ow control and check valves.
the brew solenoid valve, dilution solenoid valve and
the sweetener solenoid valve (optional), .195 GPM &
.750 GPM fl ow control and check valves.
Contents
Brew Solenoid Valve ............................................16
Control Thermostat ..............................................17
Digital Brew Timer................................................18
Dilution Timer ......................................................20
Dilution Solenoid Valve ........................................21
Limit Thermostat ..................................................22
Start Switch ....................................................... 23
ON/OFF Switch .....................................................24
UNSWEET/OFF/SWEET Switch .............................25
Sweetner Solenoid ...............................................26
Tank Heater ......................................................... 27
Wiring Diagrams ................................................. 28
FIG. 1 COMPONENT ACCESS
P3034
37235 050205