Bunn TWIN service manual Initial SET-UP, Coffee Brewing, Cleaning

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29319 041599

BREW SWITCH

Momentarily pressing and releasing the switch starts a brew cycle when the "ON/OFF" indicator is glowing. NOTE Ð The "ON/OFF" indicator must be glowing to initiate and complete a brew cycle.

ADDITIONAL WARMER SWITCHES

Pressing any additional warmer switch so the indicator is glowing, supplies power to the associated warmer.

READY INDICATOR

This indicator glows when the preset temperature has been achieved. The word "NOT" above "READY" will glow in all other instances.

TEMPERATURE INDICATORS (Feature disabled from the factory Ð refer to page 8.)

The indicator glows to communicate the brew water temperature. Two indicators will glow when the temperature is between them.

INITIAL SET-UP

1.Insert an empty funnel into the funnel rails of one of the brew stations.

2.Place an empty decanter under the funnel.

3.Connect the brewer to the power source.

4.Model CDBC Ð Press the "ON/OFF" switch (indicator glowing). Model CEZ Ð Place the "ON/OFF" switch in the "ON" upper position.

5.Water will flow into the tank and stop when the tank is filled to its capacity.

6.Wait approximately twenty minutes for the water in the tank to heat to the proper temperature.

7.Place a small vessel beneath the faucet and open the faucet handle. Release it when you hear water once again flowing into the tank.

8.Model CDBC Ð With the "ON/OFF" switch still in the "ON" position (indicator glowing), momentarily press and release the "BREW" switch.

Model CEZ Ð With the "ON/OFF" switch still in the "ON" (upper position), momentarily press and release the "BREW" switch.

9.Allow the cycle to finish and measure the amount of water in the decanter. It should be 64 ounces ± 2. Refer to the adjustments section of this manual should the volume need to be increased or decreased.

NOTE: Repeat steps 1 through 9 for the other brew station.

The brewer is now ready for use in accordance with the coffee brewing instructions below.

COFFEE BREWING

1.Insert a BUNN¨ filter into the funnel.

2.Pour the fresh coffee into the filter and level the bed of grounds by gently shaking.

3.Slide the funnel into the funnel rails.

4.Place an empty decanter beneath the funnel.

5.Model CDBC Ð Press the "ON/OFF" switch (indicator glowing), then momentarily press and release the "BREW" switch. Model CEZ Ð Place the "ON/OFF" switch in the "ON" (upper position), then momentarily press and release the "BREW" switch.

6.When brewing is completed, simply discard the grounds and filter.

CLEANING

1.The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment.

2.Check and clean the sprayhead. The sprayhead holes must always remain open.

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Contents CEZ Cdbc Twin Contents IntroductionUser Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up Additional Warmer Switches ON/OFF SwitchBrew Switch Ready IndicatorCleaning Initial SET-UPCoffee Brewing CEZ Adjustments & Optional Settings Displaying Brew Temperature Cdbc Adjustments & Optional SettingsSetting Brew Temperature Setting Brew LockoutAdjusting Brew Volumes Pulse Brew Setup Procedure Cdbc Twin & Cdbcf Twin Troubleshooting Before troubleshooting this brewer, check for the followingProbable Cause TroubleshootingRefill Circuit Problem RemedyProblem Probable Cause Remedy Heating Circuit Problem Probable Cause Remedy Ings are taken 4b. Temperature Probe CEZ Remove the probe from3 of the J5 connector. At Control boardSet the temperature to 200F 4 of the J3 connector. At2b. Temperature Probe CEZ Remove the probe from Bilize. If temperature in tank isBrewing Circuit Problem Brew cycle will not startTroubleshooting Brewing Circuit Probable Cause Remedy Switch Move the two wires. Check forSupply and check wiring Holes are clear and unobDiagnostics Cause Things to CheckService Component AccessContents Service PC Control Board Model Cdbc Disconnect the 11-pin connector from the control panelService PC Control Board Model CEZ Control Boards CEZService Switch Panel Model Cdbc Switch Panels CdbcService ON/OFF Switches Model CEZ Service Brew Switch Start Model CEZ Bottom switch terminalMinals when the switch is released Service Dispense ValveLimit Thermostat Limit ThermostatsTank Heaters Tank HeaterService Tank Heaters Tank Heater WiringRefill Valve Check for continuity across the refill valve coil terminalsWarmer Elements Warmer ElementsSchematic Wiring Diagram CEZ Twin 0/6 Left Schematic Diagramwiring Twincdbc Schematic Wiring Diagram Cdbc Twin 2/2 Right
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TWIN specifications

The Bunn TWIN,ITB is a remarkable coffee brewing system designed for commercial use, aimed at establishments that require a high volume of coffee while maintaining superior quality. This innovative brewer stands out through its dual brewing capability, allowing users to brew two different types of coffee simultaneously. This feature is particularly beneficial for cafes, restaurants, and other food service locations where diverse customer preferences must be met efficiently.

One of the main features of the Bunn TWIN,ITB is its advanced brewing technology. The system utilizes Bunn's patented brewing process, ensuring optimal coffee extraction and flavor profile every time. It employs a digitally controlled brew timer and state-of-the-art heating elements, providing precise temperature control essential for achieving the ideal brew. This technology allows for consistent results, ensuring that each cup meets the high standards expected in a commercial setting.

The design of the TWIN,ITB is user-friendly and intuitive. It includes an easy-to-read LED display that simplifies programming and monitoring of the brewing process. This streamlined interface enables baristas to adjust settings quickly and efficiently, significantly reducing wait times for customers. Additionally, the unit's low-profile design enables it to fit seamlessly into various kitchen layouts and countertops, optimizing valuable space.

Durability and reliability are at the forefront of the Bunn TWIN,ITB's construction. Built with high-quality materials, the brewer is designed to withstand the rigors of intense daily use. Its stainless-steel finish not only provides a sleek and professional appearance but also makes it easy to clean and maintain, ensuring longevity and excellent performance throughout its lifespan.

Furthermore, the TWIN,ITB features an impressive water capacity with a built-in hot water tank. This allows users to brew large batches of coffee without interruption and offers instant hot water for tea, soups, or other hot beverages. The efficient brewing system utilizes pre-infusion technology, which saturates the coffee grounds before extraction, enhancing the overall flavor and aroma of the brewed coffee.

In summary, the Bunn TWIN,ITB is an exceptional choice for any commercial establishment looking to provide high-quality coffee efficiently. Its dual brewing capabilities, advanced technologies, user-friendly design, durability, and additional features make it a valuable addition to any coffee service operation. Whether busy mornings or afternoon rushes, this brewer ensures that every cup of coffee meets the high standards of taste and quality that customers expect.
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