Bunn CDBC-MV, CDBCF-DV, CDBC APS-DV, CDBC-DV, CDBCF APS-MV, CDBCF APS-DV, CDBCF-MV Refill Valve

Page 30

SERVICE (cont.)

 

REFILL VALVE

If continuity is not present as described, replace the

 

refill valve.

 

6. Check the refill valve for coil action. Connect the brewer to the power source. With "ON/OFF" switch in the "ON' upper position press start switch and listen carefully in the vicinity of the refill valve for a" clicking" sound as the coil magnet attracts.

7. Disconnect the brewer from the power source.

If the sound is heard as described and water will not pass through the refill valve, there may be a blockage in the water line before the refill valve or, the solenoid valve may require inspection for wear, and removal of waterborne particles.

If the sound is not heard as described, replace the refill valve.

 

P1857

Removal and Replacement:

 

 

 

FIG. 12 REFILL VALVE

1.

Remove both wires from the refill valve.

 

 

2.

Turn off the water supply to the brewer and drain

Location:

 

the tank.

3.

Disconnect the water lines to and from the refill

 

The refill valve is located inside the trunk on the

 

valve.

lower center part of the component bracket.

4.

Remove the two 1/4"-20 screws securing the refill

Test Procedures:

 

valve mounting bracket to the component bracket.

 

Remove bracket and valve as an assembly.

1. Disconnect the brewer from the power source.

5.

Using two 1/4"-20 screws install the new refill

2. Disconnect the white and white/blue wires from

 

valve and bracket to the component bracket.

 

the refill valve. Set the "ON/OFF" switch in the "ON"

6.

Securely fasten the water lines to and from the

 

upper position.

 

valve.

3. With a voltmeter, check the voltage across the coil

7.

Refer to FIG. 13 when reconnecting the wires.

 

wires. Connect the brewer to the power source.

8.

Install access panels and covers and refer to Initial

 

The indication must be 120 volts ac for two wire

 

Set-upfor refill and operation.

 

120 volt models and three wire 120/208 and 120/

 

 

 

240 volt models.

 

 

4. Disconnect the brewer from the power source.

 

 

If voltage is present as described, proceed to #5.

 

 

If voltage is not present as described, refer to Wiring

 

 

Diagrams and check brewer wiring harness.

 

 

5.

Check for continuity across the refill valve coil

WHI from Terminal

 

terminals.

Block

If continuity is present as described, reconnect the

WHI/BLU from

Control Board

white and white/blue wires from the circuit board.

 

P1858

 

 

 

Page 30

FIG. 13 REFILL VALVE WIRING

 

29707 112801

 

 

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Image 30
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Contents DIS Version Introduction TWO Warmer Brewers Three Warmer BrewersAPS Brewers No Warmer Brewers CDBCF-DV BrewersCdbc LPTC-DV Brewers ONE Warmer BrewersElectrical Requirements 1425W VersionElectrical HOOK-UP Models CDBC-MV & CDBC-APS MV Initial SET-UP CleaningPlumbing Requirements Coffee BrewingAdditional Warmer Switches ON/OFF SwitchBrew Switch Ready IndicatorDisplaying Brew Temperature Adjustments & Optional SettingsSetting Brew Temperature Setting Brew LockoutWater Sensing Threshold Adjustment Procedure Troubleshooting Before troubleshooting this brewer, check for the followingTroubleshooting Refill Circuit Problem Probable CauseRemedy Troubleshooting Refill Circuit Heating Circuit Problem Water does not heat to proper tem- peratureTank Heater Troubleshooting Heating CircuitProblem Probable Cause Ings are takenProblem Probable Cause Remedy Brewing Circuit Problem Probable Cause Dispenser Be made with sprayhead installed Troubleshooting Brewing CircuitConsistently low beverage level Brew volume Brew cycle will not start Control board or dispense valveDripping from sprayhead Lime build up Water temperatureSet-upinstructions RequiredProblem Probable Cause Diagnostics Cause Things to CheckService When servicing, except when electrical tests are reComponent Access Service Disconnect the 11-pin connector from the control panelControl Board Switch Panel Dispense Valve Limit Thermostat Wiring Limit ThermostatTank Heaters Tank Heater Terminal Block Wiring Diagram Voltage Selector Switch Terminals Refill Valve Warmer Elements Warmer ElementsFuse HOLDER/FUSE Assembly MV models only Service Thermal Fuses MV models only Thermal FusesSchematic Wiring Diagram Cdbc DV Schematic Wiring Diagram Cdbc APS-DV Cdbcf APS/TC/LPTC-DV Schematic Wiring Diagram Cdbc MV Schematic Wiring Diagram Cdbc APS MV
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CDBCF-MV, CDBCF APS-DV, CDBCF APS-MV, CDBC-DV, CDBC-MV specifications

The Bunn CDBCF-DV is a distinguished coffee brewer designed for commercial use, ideal for establishments that demand high-quality coffee at a fast pace. This brewer is notable for its innovative design and advanced brewing technology, making it an essential asset for cafes, restaurants, and coffee shops.

One of the standout features of the Bunn CDBCF-DV is its dual-voltage capability. This versatility allows the brewer to operate efficiently on both 120V and 240V power sources, ensuring that it meets the needs of various establishments regardless of electrical setup. This adaptability makes it a favorite among coffee vendors looking to optimize performance without the inconvenience of electrical constraints.

The BDCBF-DV also boasts a large capacity, allowing it to brew up to 14 cups of coffee in a single cycle. This is facilitated by its large water tank and high brewing rate, which can produce coffee in just a matter of minutes. The ability to brew rapidly while maintaining quality is crucial in busy environments where time is of the essence.

Key to the Bunn CDBCF-DV's performance is its patented brewing system that utilizes a pre-infusion feature. This technology ensures that the coffee grounds are saturated before the brewing process begins, promoting optimal extraction of flavors and aromas. The result is a rich, well-balanced cup of coffee that delights patrons and encourages repeat business.

Another notable characteristic is the brewer's easy-to-use control interface. With simple dial settings, baristas can effortlessly adjust brew strength and temperature, ensuring consistency with every batch. The intuitive design minimizes training time for new staff and enhances overall workflow in commercial settings.

Durability and maintenance are critical in commercial coffee brewing equipment, and the Bunn CDBCF-DV excels in this area as well. Constructed with high-quality materials, it is built to withstand the rigors of daily use. Additionally, it features easily accessible parts for straightforward cleaning and servicing, reducing downtime and ensuring that the coffee remains fresh and delicious.

In summary, the Bunn CDBCF-DV is a versatile, efficient, and user-friendly coffee brewer loaded with innovative features aimed at delivering exceptional coffee quality. Its dual-voltage operation, large capacity, pre-infusion technology, and durable design make it an indispensable choice for businesses looking to enhance their coffee offerings and improve customer satisfaction. Whether you're a small cafe or a larger restaurant chain, the Bunn CDBCF-DV is engineered to meet your coffee brewing demands with excellence.
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