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Service – Bunn CWTF TWIN-APS User Manual

Page 14

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Page 14

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, front inspection panel and warmer
plate(s).

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

The front inspection panel is attached with five #8-

32 screws.

The warmer assembly is attached with three #4-40
screws.

Contents

Control Thermostat ............................................. 15
Limit Thermostat ................................................ 16
ON/OFF Switch.................................................... 16
Recovery Booster ............................................... 18
Solenoid Valve (Inlet) ......................................... 19
Start Switch (Brew) ............................................ 20
Tank Heater ........................................................ 21
Tank Heater Switch ............................................. 22
Timer (Early Models) .......................................... 24
Digital Timer (Late Models) ................................ 25
Warmer Element ................................................. 27
Wiring Diagrams ................................................ 28

FIG. 1 COMPONENT ACCESS

P1232

10737 062900