Bunn TWF service manual Service Thermal Fuse Models W/Faucet Only

Page 29

SERVICE (cont.)

THERMAL FUSE (Models W/Faucet Only)

P2198.50

FIG. 26 THERMAL FUSE

Location:

The thermal fuse is located inside the hood con- nected to the right tank heater terminal.

Test Procedures:

1.Disconnect the brewer from the power source.

2.Disconnect the thermal fuse from the right tank heater terminal and the black lead from the con- trol thermostat.

3.With an ohmmeter, check for continuity across the thermal fuse terminals.

If continuity is present as described, the thermal fuse is operating properly.

If continuity is not present as described, replace the thermal fuse.

Removal and Replacement:

1.Disconnect the thermal fuse from the right tank heater terminal and the black lead from the con- trol thermostat.

2.Remove thermal fuse and discard.

3.Connect new thermal fuse to the right tank heater terminal and the black lead from the control ther- mostat

4.Refer to Fig. 27 when reconnecting wires.

Thermal Fuse

BLK Lead from

 

 

Control Thermostat

 

I

OFF

 

HI

 

BUNNNN B

O

 

 

 

Tank Heater Terminals

 

 

 

P1393

FIG. 27 THERMAL FUSE THERMINALS

Page 29

10510

081599

 

 

Page 28 Page 30
Image 29
Page 28 Page 30
Contents Telephone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisIntroduction ContentsWarranty #00656.0000 #03408.0000 #00831.0000 #02822.0000 #03409.0000 User NoticesElectrical Hook-Up Electrical RequirementsPlumbing Requirements Initial SET-UP Cleaning Adjusting Brew VolumesStart Switch TEA/OFF/COFFEE SwitchOperating Controls BrewingProblem Probable Cause Remedy TroubleshootingProblem Probable Cause Remedy TroubleshootingBrew Timer Iced Tea Dilution Iced Tea cycle will not Start SwitchBrew Solenoid Valve Iced Tea Dilution Solenoid ValveSpitting or excessive steaming Lime Build-up Level in the dispenser. 750 GPM Pointing towards brewerSerious leaks Drip-out time too long Funnel TipRemedy ProblemWeak beverage Water TemperatureFilter Type Tea or Coffee Used for proper extractionContents ServiceComponent Access Solenoid valve ServiceBrew Solenoid Valve HOT Coffee Brew Solenoid Valve Iced TEA Brew Timer HOT COFFEE- Early Models If voltage is as described, proceed to #7 Digital Brew TimerDigital Timer Wiring Service Digital Brew Timer HOT Coffee Late ModelscontIced TEA Brew Timer Terminals Service Brew Timer Iced TEA Early ModelsService Digital Brew Timer Iced TEA Late Models Service Digital Brew Timer Iced TEA Late Modelscont Control Thermostat Test Procedures Disconnect the brewer from the power sourceDilution Solenoid Valve Limit Thermostat Remove the blue wire from the limit thermostatTEA/OFF/COFFEE Switch TEA/OFF/COFFEE SwitchStart Switch Start SwitchTank Heater Tank HeaterThermal Fuse Service Thermal Fuse Models W/Faucet OnlyGRY to Iced Tea Brew Timer PNK to Iced Tea Service Half Batch Switch Optional10510 081599 Ready Indicator BLU

TWF specifications

The Bunn TWF series is a versatile and high-performance coffee brewing system designed to meet the demanding needs of commercial coffee establishments. Renowned for its reliability and consistency, the Bunn TWF is engineered for high volume production while maintaining exceptional quality in every cup.

One of the main features of the Bunn TWF is its dual-voltage capability, which makes it adaptable to various electrical systems, ensuring that businesses can use it in different locations with ease. It is compatible with both 120V and 220V outlets, providing flexibility for commercial environments.

The TWF employs Bunn's innovative brewing technology, which includes a patented digital pulse brew feature. This system optimizes the extraction process by controlling the flow rate and brewing time, enhancing the flavor profile of the coffee and ensuring that each batch is rich and full-bodied. The ThermoFresh technology allows for excellent thermal retention, ensuring that the coffee remains hot and fresh for extended periods without a heated plate that can alter the taste.

Another significant characteristic of the Bunn TWF is its brewing capacity. The machine can brew up to 16.3 gallons of coffee per hour, making it an ideal choice for busy cafes, restaurants, and catering services. The large capacity also translates to less downtime, enabling staff to serve customers more efficiently.

The Bunn TWF is equipped with a user-friendly control interface, featuring intuitive buttons and an easy-to-read display. This allows for precise programming and brewing options, accommodating various coffee types and recipes. Users can easily set up their preferred brewing parameters, making it convenient to replicate the same great taste repeatedly.

Moreover, the design of the Bunn TWF emphasizes durability and ease of maintenance. Constructed from high-quality materials, it can withstand the rigors of daily use in a bustling coffee shop environment. The machine is also designed for easy cleaning, with removable components that simplify upkeep and prolong its lifespan.

In conclusion, the Bunn TWF is an exceptional choice for those in the coffee business looking to elevate their brewing game. With its outstanding features, advanced technologies, and user-focused design, it stands out as a leader in commercial coffee brewing solutions. Whether for a high-traffic café or a catering operation, the Bunn TWF is engineered to deliver quality and efficiency while satisfying the most discerning coffee connoisseurs.
Top Page Image Contents