Bunn TNTF-3 service manual Service, Component Access, Contents

Models: TNTF-3

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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 ICED/ OFF/HOT switch, start switch, brew timers, control thermostat, limit thermostat, 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 brew solenoid valves and the dilution solenoid valve .222 GPM flow control and check valve.

FIG. 1 COMPONENT ACCESS

P1370.40

 

Contents

 

 

 

Brew Solenoid Valve (Hot Tea)

15

 

 

Brew Solenoid Valve (Iced Tea)

16

 

 

Brew Timer (Hot Tea) (Early Models)

17

 

 

Digital Brew Timer (Hot Tea )(Late Models)

18

 

 

Brew Timer (Iced Tea) (Early Models)

20

 

 

Digital Brew Timer (Iced Tea)(Late Models

21

 

 

Control Thermostat

23

 

 

Dilution Solenoid Valve

24

 

 

Limit Thermostat

25

 

 

ICED/OFF/HOT Switch

26

 

 

Start Switch

27

 

 

Tank Heater

28

 

 

Thermal Fuse

29

 

 

Wiring Diagrams

30

28201

081500

 

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Bunn TNTF-3 service manual Service, Component Access, Contents