Bunn TWF service manual Dilution Iced Tea cycle will not Start Switch, Brew Timer Iced Tea

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TROUBLESHOOTING (cont.)

 

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Dilution (Iced Tea) cycle will not

2. Start Switch

Refer to Service - Start Switch for

start (cont.)

 

 

testing procedures. See page 27

 

3.

Brew Timer (Iced Tea)

Refer to Service- Brew Timer (Iced

 

 

 

Tea) for testing procedures. See

 

 

 

page 20 or 21

 

4.

Brew Solenoid Valve (Iced Tea)

Refer to Service - Brew Solenoid

 

 

 

Valve (Iced Tea) for testing proce-

 

 

 

dures. See page 16

 

5.

Dilution Solenoid Valve

Refer to Service - Dilution Solenoid

 

 

 

Valve for testing procedures. See

 

 

 

page 24

Inconsistent beverage level in dis- penser (Hot Coffee)

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 (128 kPa).

Consistently high or low beverage

1.

Brew Timer

With the TEA/OFF/COFFEE switch in

level in the dispenser

 

 

the "TEA" position adjust the needle

 

 

 

valve to achieve the recommended

 

 

 

76 oz of concentrate then the timer

to achieve a total of 396 oz for each three-gallon brew cycle.

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10510

071000

 

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Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Warranty ContentsIntroduction User Notices #00656.0000 #03408.0000 #00831.0000 #02822.0000 #03409.0000Plumbing Requirements Electrical RequirementsElectrical Hook-Up Initial SET-UP Adjusting Brew Volumes CleaningOperating Controls TEA/OFF/COFFEE SwitchStart Switch BrewingTroubleshooting Problem Probable Cause RemedyTroubleshooting Problem Probable Cause RemedyBrew Solenoid Valve Iced Tea Dilution Iced Tea cycle will not Start SwitchBrew Timer Iced Tea Dilution Solenoid ValveSerious leaks Level in the dispenser. 750 GPM Pointing towards brewerSpitting or excessive steaming Lime Build-up Drip-out time too long Funnel TipProblem RemedyFilter Type Tea or Coffee Water TemperatureWeak beverage Used for proper extractionComponent Access ServiceContents Brew Solenoid Valve HOT Coffee ServiceSolenoid valve Brew Solenoid Valve Iced TEA Brew Timer HOT COFFEE- Early Models Digital Brew Timer If voltage is as described, proceed to #7Service Digital Brew Timer HOT Coffee Late Modelscont Digital Timer WiringService Brew Timer Iced TEA Early Models Iced TEA Brew Timer TerminalsService Digital Brew Timer Iced TEA Late Models Service Digital Brew Timer Iced TEA Late Modelscont Test Procedures Disconnect the brewer from the power source Control ThermostatDilution Solenoid Valve Remove the blue wire from the limit thermostat Limit ThermostatTEA/OFF/COFFEE Switch TEA/OFF/COFFEE SwitchStart Switch Start SwitchTank Heater Tank HeaterService Thermal Fuse Models W/Faucet Only Thermal FuseService Half Batch Switch Optional GRY to Iced Tea Brew Timer PNK to Iced Tea10510 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.
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