Bunn TNTF-3, TNT-3 manual Brew Timer Iced TEA Late MODELScont

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SERVICE (cont.)

BREW TIMER (ICED TEA - LATE MODELS)(cont.)

1.Modifying brew volumes. To modify a brew vol- ume, first check that the SET/LOCK switch is in the “SET” position on the circuit board.

To increase a brew volume, place the ON/OFF switch in the “ON” position, press and hold the START switch until three clicks are heard. Release the switch and press it again one or more times. (Failure to re- lease the switch within two seconds after the third click causes the volume setting to be aborted and pre- vious volume setting will remain in memory.) Each time the switch is pressed, two seconds are added to the brew time period. Allow the brew cycle to finish in order to verify that the desired volume has been achieved.

To decrease a brew volume, place the ON/OFF switch in the “ON” position, press and release the START switch once for every two-second interval to be removed from the total brew time period; then im- mediately press and hold down the START switch until three clicks are heard. Release the switch. (Failure to release the switch within two seconds after the third click causes the volume setting to be aborted and pre- vious volume setting will remain in memory). Allow the brew cycle to finish in order to verify that the de- sired volume has been achieved.

2.Setting brew volumes. To set a brew volume, first check that the SET/LOCK switch is in the “SET” position on the circuit board. Place the ON/OFF switch in the “ON” position, press and hold the START switch until three distinct clicks are heard and then release the switch. (Failure to release the switch within two seconds after the third click causes the volume set- ting to be aborted and previous volume setting will remain in memory.)

View the level of the liquid being dispensed. When the desired level is reached, turn the ON/OFF switch to “OFF”.

NOTE: Several ounces of water will continue to sy- phon from the tank after turning the switch “OFF”. The brewer remembers this volume and will continue to brew batches of this size until the volume setting procedure is repeated.

NOTE: When brewing coffee, volume will decrease due to absorption by the coffee grounds.

3.Setting programming disable feature. If it be- comes necessary to prevent anyone from changing brew time once programmed, you can set the SET/ LOCK switch to the “LOCK” position. This will pre- vent any further programming until switch is once again put into the “SET” position.

TL1 - WHI/VIO to Iced Tea Brew Solennoid and

WHI/VIO to ICED/OFF/HOT Switch

TL2 - WHI to Power Cord (120V Models) or

WHI to Terminal Block (120/208V Models) TL3 - ORN to Start Switch

TL4 - WHI/BLU to Iced Tea Brew Solenoid TL5 - YEL to Start Switch

P2037

FIG. 13 DIGITAL TIMER WIRING

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28201 081500

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Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Warranty ContentsIntroduction User Notices #00831.0000 #00656.0000 #03408.0000 #03409.0000Plumbing Requirements Electrical RequirementsElectrical Hook-Up Plumbing Requirements Initial SET-UPAdjusting Brew Volumes Initial SET-UPStart Switch CleaningICED/OFF/HOT Switch Operating ControlsProblem Probable Cause TroubleshootingRemedy 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 SolenoidsComponent Access ServiceContents Brew Solenoid Valve HOT TEA ServiceSolenoid valve 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 SwitchIndication must be Tank HeaterEls 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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