Bunn TU3 service manual Initial SET-UP, Stopped

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INITIAL SET-UP

CAUTION - The brewer must be disconnected from the power source throughout the initial set-up, except when specified in the instructions.

1.Remove the top lid from the brewer.

2.Rotate the control thermostat knob fully counterclockwise to the "OFF" position and replace the top lid.

3.Set the delay knob of the timer on the right side of the hood at eight minutes and the dilution knob of the timer on the right side of the hood at three minutes and forty-five seconds.

4.Remove the metal discharge tip from the funnel to speed up the set-up procedure. Insert the empty funnel into the funnel rails.

5.Place an empty dispenser on the brewer base. Be sure the funnel discharge is directly above the hole in the dispenser top lid.

6.Plug in the brewer and place the ON/OFF switch in the "ON" position. Momentarily press the start switch. Water will flow into the tank and will shut off after three minutes. Press the start switch again. During the second period, the tank will fill to its capacity and the excess will flow from the funnel into the dispenser.

7.Place the ON/OFF switch in the "OFF" position.

8.Disconnect the brewer from the power source and remove the top lid.

9.Rotate the control thermostat knob fully clockwise to the "ON" position and replace the top lid.

10.Plug in the brewer and wait for the water in the tank to heat to the proper temperature (approximately 20 minutes). Some water will drip from the funnel during this time; this is due to expansion and should not occur thereafter.

11.Place an empty dispenser under the funnel.

12.Place the ON/OFF switch in the "ON" position and press the start switch. Empty the dispenser after water has stopped flowing from the funnel.

13.Allow the water in the tank to reheat to the proper temperature.

14.Place the ON/OFF switch in the "ON" position and press the start switch.

15.Place the ON/OFF switch in the "OFF" position immediately after water stops flowing from the funnel. Check the water volume in the dispenser. It should be seventy-six ounces.

16.If not, unplug the brewer, remove the top lid, and adjust the timer on the left side of the hood as required. See Adjusting Brew Volumes. Replace the top lid, plug in the brewer, start, and measure another concentrate cycle.

17.Repeat steps 13-16 until the proper water volume is achieved.

18.Unplug the brewer and remove the top lid.

19.Set the delay knob of the timer on the right side of the hood at three minutes and empty the dispenser.

20.Place the ON/OFF switch in the "ON" position, momentarily press the start switch, and allow both the concen- trate and dilution cycles to occur.

21.When all water stops flowing, check the water volume in the dispenser. It should be 396 ounces.

22.If not, unplug the brewer and remove the top lid.

23.Adjust the dilution knob of the timer on the right side of the hood as required. Replace the top lid, plug in the brewer, start, and measure another brew cycle.

24.Repeat steps 20-23 until the proper water volume is achieved.

25.Return the delay knob of the timer on the right side of the hood to eight minutes. Replace the top lid and plug in the brewer.

26.Reinstall the metal discharge tip into the funnel.

27.Load the funnel with a BUNN¨ paper filter and approximately four ounces of loose tea leaves.

28.Place the ON/OFF switch in the "ON" position, momentarily press the start switch, and allow both the concen- trate and dilution cycles to occur. Observe the funnel discharge and the dilution streams near the end of the brew cycle. The dilution stream should stop approximately thirty seconds after the funnel discharge has

stopped.

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Contents Phone 217 529-6601 FAX 217 TU3Introduction ContentsBUNN-O-MATIC Commercial Product Warranty #03408.0002 #03409.0002 #03408.0000 #03409.0000 User Notices#00831.0000 #00656.0000 Electrical Hook-Up Electrical RequirementsPlumbing Requirements Stopped Initial SET-UPInitial SET-UP Adjusting Brew VolumesAuto Sweetener SET-UP Operating Controls CleaningTEA Brewing Auto Sweetener CleaningCleaning Remedy TroubleshootingProblem Probable Cause Remedy TroubleshootingProblem Dilution cycle will not start Dilution Solenoid Valve Problem Probable Cause RemedyDrip-out time too long Control Thermostat Spitting or excessive steamingFunnel Tip Ticles clogging the drip-out tipIng Water Temperature See Dilution TimerBeverage overflows dispenser Dispenser Dilution Solenoid ValveDry tea leaves remain in the funnel Remove and clean lime off the tank heater. SeeContents ServiceComponent Access Solenoid valve ServiceBrew Solenoid Valve Brew Timer Service Brew Timer Early ModelsIf voltage is as described, proceed to #7 Service Digital Brew Timer Late ModelsDigital Timer Wiring Control Thermostat Dilution Solenoid Valve Dilution Solenoid ValveDilution Timer Indication must be Limit ThermostatON/OFF Switch Ing Diagrams and check the wiring harnessON/OFF Switch Selector Switch Optionalcont Start Switch Start SwitchSweetener Solenoid Valve Optional Tank Heater 10225 071500 10225 071500 Volts AC Single Phase10225 071500
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TU3 specifications

The Bunn TU3 is a renowned commercial coffee brewer known for its reliability and performance in bustling coffee shops, restaurants, and diners. Designed to cater to high-demand environments, the TU3 stands out with a variety of features that ensure an optimal brewing experience.

One of the primary characteristics of the Bunn TU3 is its capability to brew large volumes of coffee efficiently. It has a 3-gallon capacity, making it ideal for establishments that serve numerous customers throughout the day. This model can produce up to 19 gallons of coffee per hour, allowing establishments to keep pace with customer demand without sacrificing quality or flavor.

At the heart of the Bunn TU3's performance are its advanced brewing technologies. The brewer features a patented "multi-stream" spray head that evenly distributes hot water over coffee grounds, ensuring optimal extraction for a richer taste. This technology contributes to the consistent flavor profile that customers expect in a quality cup of coffee.

The TU3 is also equipped with a built-in hot water faucet, providing added convenience for brewing tea or instant beverages. Operators can easily access boiling water without interfering with the brewing process, streamlining service during peak hours. The adjustable temperature settings further enhance control over the brewing process, allowing for customization based on the coffee type or personal preference.

In terms of construction, the Bunn TU3 is built to withstand the rigors of commercial use. The brewer boasts a durable stainless steel body that is not only stylish but also easy to clean, helping maintain a professional appearance in any setting. Additionally, the brewer's design incorporates features such as a splash guard and easy-to-use controls, making it user-friendly for staff members.

Energy efficiency is another highlight of the Bunn TU3. Its innovative design helps in reducing energy consumption while still providing rapid brewing capabilities. This feature is particularly appealing to environmentally conscious operators looking to minimize their operational impact.

Overall, the Bunn TU3 coffee brewer combines speed, reliability, and exceptional brewing technology, making it a top choice for businesses that prioritize quality coffee service. Its combination of durability, efficiency, and user-friendly features ensures that it can handle the demands of any high-volume coffee operation, delivering excellent results cup after cup.
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