Bunn twf-ez service manual Service, Component Access

Models: twf-ez

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SERVICE

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 TEA/OFF/ COFFEE switch, START switch, Control Board, limit thermostat, temperature probe, thermal fuse and tank heater,

The rear inspection panel is attached with six #8- 32 screws. Removal of the rear panel will allow access to the solenoid valves and the .195 GPM flow control.

FIG. 1 COMPONENT ACCESS

P1808.40

 

Contents

 

Brew Solenoid Valve (Hot Coffee)

16

Brew Solenoid Valve (Iced Tea)

17

Dilution Solenoid Valve

18

Limit Thermostat

19

TEA/OFF/COFFEE Switch

20

START Switch

21

Tank Heater

22

Temperature Probe

23

Thermal Fuse

24

Control Board

25

Wiring Diagram

26

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29466

082200

 

 

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Bunn twf-ez service manual Service, Component Access