Bunn Troubleshooting Coffee Maker Overflows and Solutions for Model TU3
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TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Dilution cycle will not start (cont.)

4. Dilution Solenoid Valve

Refer to Service - Dilution Solenoid

 

 

Valve for testing procedures. See

 

 

page 21

Inconsistent beverage level in dis- penser

1. Internal Flow Control (.195 GPM)

2.Syphon System

3.Lime Build-up

CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water condi- tions. Excessive mineral build-up on stainless steel surfaces can ini- tiate corrosive reactions resulting in serious leaks.

(A)Direction of flow arrow must be pointing towards the brewer.

(B)Remove the flow control and check for obstruction. Clear or re- place.

The brewer must be level or slightly lower in front to syphon properly.

Inspect the tank assembly for ex- cessive lime deposits. Delime as required.

 

4.

Water Pressure

The water pressure to the brewer

 

 

 

must be at least 20 psi (138 kPa).

Consistently high or low beverage

1.

Brew Timer/Delay Timer

With the ON/OFF switch "ON" adjust

level in the dispenser

 

 

the brew timer to achieve the rec-

 

 

 

ommended 76 oz. of concentrate

 

 

 

then the dilution timer to achieve a

 

 

 

total of 396 oz. for each three-gal-

 

 

 

lon brew cycle.

 

2.

External Strainer/Flow Control

(A) Direction of flow arrow must be

 

(.750GPM)

pointing towards brewer.

(B) Remove the strainer/flow con- trol and check for obstructions. Clear or replace.

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10225

031804

 

 

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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 RemedyTicles clogging the drip-out tip Spitting or excessive steamingDrip-out time too long Control Thermostat Funnel TipDilution Solenoid Valve See Dilution TimerIng Water Temperature Beverage overflows dispenser DispenserDry 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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