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

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 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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Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Introduction ContentsWarranty User Notices #00831.0000 #00656.0000 #03408.0000 #03409.0000Electrical Hook-Up Electrical RequirementsPlumbing Requirements Plumbing Requirements Initial SET-UPAdjusting Brew Volumes Initial SET-UPStart Switch CleaningICED/OFF/HOT Switch Operating ControlsRemedy TroubleshootingProblem Probable Cause Brew cycles will not start Brew Timer TroubleshootingProblem RemedyProblem Probable Cause Remedy Probable Cause Remedy Position Water flows into tank continuously Brew TimerOr HOT position Beverage overflows dispenser DispenserDry tea leaves remain Remove and clean lime off the tank heater. SeeWeak beverage Filter Type Tea Sprayhead Funnel Loading Funnel Brewer is making unusal noises SolenoidsContents ServiceComponent Access Solenoid valve ServiceBrew Solenoid Valve HOT TEA Brew Solenoid Valve Iced TEA Brew Timer HOT TEA Early Models HOT TEA Brew TimerBrew Timer HOT TEA Late Models If voltage is as described, proceed to #7Service Brew Timer HOT TEA Late MODELScont Digital Timer WiringBrew Timer Iced TEA Early Models Iced TEA Brew Timer Brew Timer Iced TEA Late MODELScont Test Procedures Disconnect the brewer from the power source Control ThermostatTest Procedure Disconnect the brewer from the power source Dilution Solenoid ValveLimit Thermostat Limit ThermostatICED/OFF/HOT Switch ICED/OFF/HOT SwitchStart Switch Start SwitchEls Tank HeaterIndication must be Service Thermal Fuse Models W/Faucet Only Thermal Fuse28201
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TNT-3, TNTF-3 specifications

The Bunn TNTF-3 is a high-performance coffee brewer designed for commercial use, specifically suited for busy environments such as restaurants and cafes. This machine seamlessly combines efficiency with quality, making it a popular choice for professionals who demand the best in their equipment.

One of the standout features of the Bunn TNTF-3 is its three warmer plates, which allow users to brew and store multiple batches of coffee simultaneously. This design ensures that there’s always fresh coffee ready for customers, minimizing downtime during peak service hours. Each warmer has its own independent control, providing versatility in temperature settings to accommodate different coffee types and customer preferences.

The Bunn TNTF-3 utilizes a patented SplashGard funnel that helps to keep the brewing process clean and efficient. This technology not only prevents splashes and messes but also improves user safety by protecting operators from hot water and coffee spills. The brewer’s stainless steel construction contributes to its durability, enhancing its longevity in a high-volume setting.

In terms of brewing capabilities, the TNTF-3 can prepare up to 3.8 gallons of coffee per hour, making it ideal for both small and large operations. The machine is equipped with a brew control feature that allows users to customize the strength and flavor of the coffee, ensuring that each cup meets the highest standards. Additionally, the digital timer and brew status light offer convenient monitoring at a glance.

For ease of maintenance, the Bunn TNTF-3 is designed with accessibility in mind. With removable components and straightforward cleaning procedures, operators can keep the machine in top condition without significant downtime. The brewer also features a low-water shut-off system, which helps to protect the unit from damage due to insufficient water levels.

Overall, the Bunn TNTF-3 embodies a blend of innovative technology, practical design, and optimal performance, making it a powerful tool for coffee professionals. Whether it be for daily service or special events, the Bunn TNTF-3 stands out as a reliable coffee brewing solution that consistently delivers rich, flavorful coffee with every batch. Its combination of speed, safety, and quality assurance solidifies its status as a preferred choice in commercial settings.
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