Bunn TU3 service manual Troubleshooting, Problem, Remedy

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TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

Brew cycle will not start (cont.)

4.

ON/OFF Switch

 

5.

Start Switch

 

6.

Brew Timer

REMEDY

Refer to Service - ON/OFF Switch for testing. See page 24

Refer to Service - Start Switch for testing procedures. See page 26

Refer to Service - Brew Timer for testing procedures. See page 17 or 18

7. Brew Solenoid Valve

Refer to Service - Brew Solenoid

 

Valve for testing procedures. See

 

page 16

8. Internal Flow control (.195 GPM)

Water is not hot

1. Limit Thermostat

 

CAUTION - Do not eliminate or by-

 

pass limit thermostat or thermal

 

cut-off. Use only BOM replacement

 

part 29329.1000

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

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

Refer to Service - Limit Thermostat for testing procedures. See page 23

 

2.

Control Thermostat

 

3.

Tank Heater

Dilution cycle will not start

1. ON/OFF Switch

 

2.

Start Switch

 

3.

Dilution Timer

Refer to Service - Control Thermo- stat for testing procedures. See page 20

Refer to Service - Tank Heater for testing procedures. See page 28

Refer to Service - ON/OFF Switch for testing procedures. See page 24

Refer to Service - Start Switch for testing procedures. See page 26

Refer to Service - Dilution Timer for testing procedures. See page 22

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10225

031804

 

 

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Contents TU3 Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty ContentsIntroduction #00831.0000 #00656.0000 User Notices#03408.0002 #03409.0002 #03408.0000 #03409.0000 Plumbing Requirements Electrical RequirementsElectrical Hook-Up Initial SET-UP StoppedAuto Sweetener SET-UP Adjusting Brew VolumesInitial SET-UP Cleaning Operating ControlsCleaning Auto Sweetener CleaningTEA Brewing Problem Probable Cause TroubleshootingRemedy Problem TroubleshootingRemedy Problem Probable Cause Remedy Dilution cycle will not start Dilution Solenoid ValveFunnel Tip Spitting or excessive steamingDrip-out time too long Control Thermostat Ticles clogging the drip-out tipBeverage overflows dispenser Dispenser See Dilution TimerIng Water Temperature Dilution Solenoid ValveRemove and clean lime off the tank heater. See Dry tea leaves remain in the funnelComponent Access ServiceContents Brew Solenoid Valve ServiceSolenoid valve Service Brew Timer Early Models Brew TimerService Digital Brew Timer Late Models If voltage is as described, proceed to #7Digital Timer Wiring Control Thermostat Dilution Solenoid Valve Dilution Solenoid ValveDilution Timer Limit Thermostat Indication must beIng Diagrams and check the wiring harness ON/OFF SwitchON/OFF Switch Selector Switch Optionalcont Start Switch Start SwitchSweetener Solenoid Valve Optional Tank Heater 10225 071500 10225 071500 Single Phase Volts AC10225 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.