Bunn TU3 service manual Service, Component Access, Contents

Page 15

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 ON/OFF switch, start switch, brew timer, dilution timer, control thermostat, limit thermostat 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 valve, dilution solenoid valve and the sweetener solenoid valve (optional), .195 GPM flow control and check valve.

Contents

 

Brew Solenoid Valve

16

Brew Timer (Early Models)

17

Digital Brew Timer (Late Models)

18

Control Thermostat

20

Dilution Solenoid Valve

21

Dilution Timer

22

Limit Thermostat

23

ON/OFF Switch

24

Start Switch

26

Sweetener Solenoid Valve (Optional)

27

Tank Heater

28

Wiring Diagrams

29

T

 

FIG. 1 COMPONENT ACCESS

P1187

 

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10225

031804

 

 

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Contents Phone 217 529-6601 FAX 217 TU3Contents BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices #00831.0000 #00656.0000#03408.0002 #03409.0002 #03408.0000 #03409.0000 Electrical Requirements Plumbing RequirementsElectrical Hook-Up Stopped Initial SET-UPAdjusting Brew Volumes Auto Sweetener SET-UPInitial SET-UP Operating Controls CleaningAuto Sweetener Cleaning CleaningTEA Brewing Troubleshooting Problem Probable CauseRemedy Troubleshooting ProblemRemedy 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. SeeService Component AccessContents Service Brew Solenoid ValveSolenoid 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.