Bunn T6A, T3A service manual Electrical Requirements, Plumbing Requirements, Electrical Hook-Up

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ELECTRICAL REQUIREMENTS

CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.

120V model brewers require 2-wire, grounded service rated 120 volts ac, 15 amp, single phase, 60 Hz. "A" model brewers require 2-wire, grounded service rated 240 volts ac, 10 amp, single phase, 50 Hz. "B" model brewers require 2-wire, grounded service rated 100 volts ac, 15 amp, single phase, 60 Hz. Proceed as follows:

Electrical Hook-Up

CAUTION – Improper electrical installation will damage electronic components.

1.An electrician must provide electrical service as specified.

2.Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.

3.Remove top cover from the brewer.

4.Rotate the control thermostat knob fully counterclockwise to the "OFF" position and replace the top cover.

5.Connect the brewer to the power source.

6.If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If plumbing has been hooked up, the brewer is ready for Initial Set-Up.

PLUMBING REQUIREMENTS

These brewers must be connected to a cold water system with operating pressure between 20 (138) and 90 psi (620 kPa) from a 1⁄2" or larger supply line. A shut-off valve should be installed in the line before the brewer. Install a regulator in the line when pressure is greater than 90 psi (620 kPa) to reduce it to 50 psi(345 kPa). The water inlet fitting is 1⁄4" flare.

NOTE - Bunn-O-Matic recommends 1⁄4" copper tubing for installations of less than 25 feet and 3⁄8" for more than 25 feet from the 1⁄2" water supply line. A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the countertop. Bunn-O-Matic does not recommend the use of a saddle valve to install the brewer. The size and shape of the hole made in the supply line by this type of device may restrict water flow.

This equipment must be installed to comply with the Basic Plumbing Code of the

Building Officials and Code Administrators International, Inc. (BOCA)

and the Food Service Sanitation Manual of the Food and Drug Administration (FDA).

1.Remove the shipping cap from the bulkhead fitting on the bottom of the brewer.

2.Attach the flare fitting from the short piece of tubing on the strainer/flow control (supplied) to the water inlet fitting at the rear of the brewer.

3.Flush the water line and securely attach it to the flare fitting on the strainer/flow control.

4.Turn on the water supply.

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Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Warranty IntroductionUser Notices #00831.0000 #00656.0000 #03408.0000 #03409.0000Plumbing Requirements Electrical RequirementsElectrical Hook-Up Initial Timer Adjustment Initial SET-UP Fill & HeatON/OFF Switch T3 only Adjusting Brew VolumesOperating Controls Cleaning Selector Switch T6 onlyStart Switch TEA BrewingProblem Probable Cause Brew cycle will not start TroubleshootingRemedy Problem TroubleshootingProbable Cause Remedy Problem Probable Cause Remedy Dilution cycle will not start Dilution Solenoid ValveControl Thermostat Drip-out time too long Spitting or excessive steamingDripping from sprayhead Beverage overflows dispenser Weak beverage Brewer is making unusal noises Dry tea leaves remain in the funnelPlumbing Lines Water Supply Tank Heater Component Access ServiceContents Service Brew Solenoid ValveService Brew Solenoid Valve Solenoid Valve TerminalsBrew Timer Indication must beIf voltage is present as described, proceed to #4 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 ValvesClockwise Dilution TimerSource. The indication must be 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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