Bunn CDBC Dripping from sprayhead Lime build up, Required, Weak beverage Sprayhead, Filter type

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TROUBLESHOOTING (cont.)

 

 

 

 

 

BREWING CIRCUIT (cont.)

 

 

 

 

 

PROBLEM

 

PROBABLE CAUSE

 

REMEDY

 

Dripping from sprayhead

 

1. Lime build up

Inspect the tank assembly for ex-

 

 

 

cessive lime deposits. Delime as

 

 

 

required.

 

 

2. Dispense valve

Remove the dispense valve and

 

 

 

clear any obstructions. Rebuild or

 

 

 

replace the valve if necessary.(See

 

 

 

page 26)

Weak beverage

 

1. Sprayhead

A clean stainless steel spray-head

 

 

 

must be used for proper extraction.

 

 

2. Water temperature

Place an empty brew funnel on an

 

 

 

empty server beneath the spray-

 

 

 

head. Initiate brew cycle and check

 

 

 

the water temperature immediately

 

 

 

below the sprayhead with a ther-

 

 

 

mometer. The reading must not be

 

 

 

less than 195°F(91°C). Adjust the

 

 

 

temperature setting to increase the

 

 

 

water temperature. Refer to Initial

 

 

 

Set-upinstructions.

 

 

3. Filter type

BUNN¨ paper filters must be used

 

 

 

for proper extraction.

 

 

4. Coffee grind

A fine drip or grind must be used for

 

 

 

proper extraction.

 

 

5. Funnel loading

The BUNN¨ paper filter must be

 

 

 

centered in the funnel and the bed

 

 

 

of grounds leveled by shaking gen-

 

 

 

tly.

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 FAX 217Contents IntroductionUser Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up Ready Indicator ON/OFF SwitchBrew Switch Operating ControlsCleaning Initial SET-UPCoffee Brewing CEZ-APS/TS/TSR Adjustments & Optional Settings Adjusting Brew VolumesDisplaying Brew Temperature CDBC-APS/TC/TS/TSR Adjustments & Optional SettingsSetting Brew Temperature Setting Brew LockoutWater Sensing Threshold Adjustment Procedure CDBC-APS/TC/TS/TSR Adjustments & Optional SettingsTroubleshooting Before troubleshooting this brewer, check for the followingProbable Cause TroubleshootingRefill Circuit Problem RemedyTroubleshooting Refill Circuit 2a. Water Level Probe Sensing System CDBC-APS/TS/TSRHeating Circuit Problem Probable Cause Remedy Water does not heat to proper temperatureWater not touching temperature probe Troubleshooting Heating Circuit Problem Probable Cause RemedyReplace the control board.See ContControl Board Cdbc & CEZ Pages 21Brewing Circuit Problem Probable Cause Troubleshooting Brewing Circuit Dripping from sprayhead Lime build up Water temperatureSet-upinstructions RequiredProblem Probable Cause Dry coffee grounds remain Sprayhead FunnelFunnel loading Diagnostics Cause Things to CheckService Component AccessContents Service Control BoardService Control Board Model CEZ-APS/TS/TSR Control BoardService Switch Panel Model CDBC-APS/TC/TS/TSR Switch PanelON/OFF Switch Wiring Service Brew Switch Start Model CEZ-APS/TS/TSR Brew Switch WiringDispense Valve Dispense ValveLimit Thermostat Limit ThermostatTank Heater Tank HeaterService Tank Heater Tank Heater WiringRefill Valve Check for continuity across the refill valve coil terminals120V AC 2 Wire 120/208V AC 3 Wire 120/240V AC 3 Wire Levelsingle PhaseSchematic Wiring Diagram CEZ-APS/TS/TSR 120V AC 2 Wire Cdbc 15, 20 & 35 APS/TC/TS

CEZF, CDBC specifications

The Bunn CEZF and CDBC are two popular commercial coffee brewers offered by Bunn, a leader in the coffee equipment industry. Both models are designed to meet the demands of high-traffic settings such as cafes, restaurants, and other foodservice establishments. They combine advanced technology with user-friendly features to ensure consistent, high-quality coffee with minimal effort.

The Bunn CEZF model is known for its easy-to-use design and efficiency. One of its standout features is the "Digital Brewer" control, which allows operators to adjust brewing parameters such as brew time and water temperature. This level of customization enables baristas to consistently create the perfect cup of coffee tailored to their specific blends. Furthermore, the CEZF has a unique "intelligent" warming plate that maintains the optimal serving temperature without over-extraction, ensuring that each cup of coffee remains flavorful.

On the other hand, the Bunn CDBC incorporates a dual brewing capacity that allows for larger batches of coffee to be made simultaneously. This feature is particularly beneficial in high-demand environments where quick service is essential. The CDBC also utilizes a patented brew control technology, enabling users to select their brew strength with just a few button presses. This flexibility is complemented by its high-performance heating element, which heats water rapidly, ensuring that coffee is brewed at the ideal temperature for optimal extraction.

Both models are equipped with a large water reservoir, ensuring a continuous supply of hot water for brewing. They also feature high-quality stainless steel constructions that enhance durability and make cleaning easier. The intuitive interface on both models simplifies operation, with clear instructions that allow even novice users to brew exceptional coffee right away.

In terms of safety, both the CEZF and CDBC are designed with auto shut-off features and integrated safety protocols, minimizing the risk of overheating and ensuring a secure brewing environment.

Overall, the Bunn CEZF and CDBC are excellent choices for any commercial kitchen or café looking to serve high-quality coffee efficiently. Their advanced features, durability, and ease of use make them top contenders in the commercial brewing category.
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