Bunn T3A, T6A service manual Start Switch

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SERVICE (cont.)

START SWITCH

If continuity is present as described, reconnect the wires, the switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Remove the wires from the switch terminals.

2.Compress the clips inside the hood and gently push the switch through the opening.

3.Push the new switch into the opening and spread the clips to hold the switch captive in the hood.

4.Refer to Fig. 18 when reconnecting the wires.

P1833.40

FIG. 17 START SWITCH

Location:

GRN to Dilution Timer TL5

RED/BLK to Dilution Timer TL3

WHI/YEL to Brew Timer TL5

WHI/ORN to Brew Timer TL3

The start switch is located in the right front of the hood.

Test Procedure:

1.Disconnect the brewer from the power source.

2.Remove the wires from all four terminals.

3.Check for continuity across the two terminals on the right side of the switch when it is held in the lower position. Continuity must not be present across these terminals in the upper position.

If continuity is present as described, proceed to #4. If continuity is not present as described, replace the switch.

4.Check for continuity across the two terminals on the left side of the switch when it is held in the lower position. Continuity must not be present across these terminals in the upper position.

FIG. 18 START SWITCH TERMINALS

P1283

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10145

072600

 

 

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Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Warranty IntroductionUser Notices #00831.0000 #00656.0000 #03408.0000 #03409.0000Electrical Hook-Up Electrical RequirementsPlumbing Requirements Initial Timer Adjustment Initial SET-UP Fill & HeatOperating Controls Adjusting Brew VolumesON/OFF Switch T3 only Start Switch CleaningSelector Switch T6 only TEA BrewingRemedy TroubleshootingProblem Probable Cause Brew cycle will not start Probable Cause Remedy TroubleshootingProblem Problem Probable Cause Remedy Dilution cycle will not start Dilution Solenoid ValveDripping from sprayhead Spitting or excessive steamingControl Thermostat Drip-out time too long Beverage overflows dispenser Weak beverage Plumbing Lines Water Supply Tank Heater Dry tea leaves remain in the funnelBrewer is making unusal noises Contents ServiceComponent Access Service Brew Solenoid ValveService Brew Solenoid Valve Solenoid Valve TerminalsIf voltage is present as described, proceed to #4 Brew TimerIndication must be If continuity is not present as described, refer toService Digital Brew Timer Late Models If voltage is as described, proceed to #7Service Digital Brew Timer Late Modelscont Digital Timer WiringControl Thermostat Test Procedure Disconnect the brewer from the power source Dilution Solenoid ValvesSource. The indication must be Dilution TimerClockwise Limit Thermostat With a voltmeter, check the voltage acrossON/OFF or Selector Switch On left or right position WHI/VIOStart Switch Tank Heater 10145 072600 10145 072600 10145 072600
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T6, T6A, T3A specifications

The Bunn T6A, T3A, T6, and T3 are part of a distinguished line of commercial coffee brewers engineered for consistency, efficiency, and top-notch brew quality. These machines are well-suited for cafes, restaurants, and specialty coffee shops where reliability and performance are paramount.

The Bunn T6A is designed to brew large quantities, accommodating high-demand environments. With a capacity of six gallons per hour, this machine can quickly fulfill orders, ensuring that customers receive fresh, hot coffee without delay. It features a programmable touchpad that allows users to customize brew settings, enabling them to fine-tune extraction times and temperatures for various coffee blends. The T6A’s dual-float system provides precise water control, preventing overflow and enhancing safety.

The Bunn T3A is another exceptional model in this lineup, designed for both versatility and speed. It boasts a three-gallon capacity, making it ideal for medium-sized establishments. The T3A is equipped with Bunn's patented SplashGard funnel, which helps protect users from hot water splashes, providing an additional layer of safety. Its advanced brewing technology allows for an optimal brew temperature range, ensuring that coffee is extracted to perfection every time.

The Bunn T6 is similar to the T6A in its heavy-duty construction but focuses on a slightly different brewing capacity. Capable of producing back-to-back brews, the T6 can keep up with high-volume demands. This model features a digital brewer interface, making it user-friendly while providing detailed feedback on the brewing process. Its robust design allows for easy maintenance, ensuring it remains in peak operating condition.

Lastly, the Bunn T3 serves as a compact alternative in the series, suited for locations with limited space but requiring high-quality coffee. The T3 can brew up to three gallons per hour, seamlessly fitting into smaller setups without compromising on performance. Like its counterparts, it features programmable settings and quick brew times, providing flexibility and efficiency.

Together, the Bunn T6A, T3A, T6, and T3 represent a versatile range of commercial coffee brewing solutions. Each model is designed to deliver exceptional coffee, maintain consistent quality, and provide ease of use, making them integral tools for any serious coffee business. Whether high volume or limited space, Bunn caters to diverse needs while upholding the highest standards in coffee brewing technology.
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