Service - Bunn T3 Operating & Service Manual

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 disconnected
from the power source when servicing, except when
electrical tests are required and the test procedure spe-
cifically 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 and rear inspection panel.
The top cover is attached with four #6-32 screws.
Removal of the top cover will allow access to ON/OFF
or SELECTOR switch, start switch, brew timer, dilu-
tion 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(s)
and .195 GPM flow control and check valve.
Contents
Brew Solenoid Valve ........................................... 15
Brew Timer (Early Models) ................................. 17
Digital Brew Timer (Late Models) ....................... 18
Control Thermostat ............................................. 20
Dilution Solenoid Valve ....................................... 21
Dilution Timer ..................................................... 22
Limit Thermostat ................................................ 23
ON/OFF Switch & Selector Switch ...................... 24
Start Switch ........................................................ 26
Tank Heater ......................................................... 27
Wiring Diagrams .................................... 28 thru 30
FIG. 1 COMPONENT ACCESS
Page 14
T6
T3
P1832.35
10145 072600