Bunn JDF-2 manual Mix Ratio, Product Brix %, Per 3-second test

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FIG 7 Adjusting Water Flow
Using 1/4” allen wrench

ADJUSTMENT & OPTIONAL SETTINGS (cont)

Water Flow Testing and Adjustment

1. Enter the “Pump Speed Programming” mode by simultaneously press- ing both “Hidden Switches” Fig 5 or Fig 6. Note that the beeper sounds twice and that the “PROGRAM” indicator begins flashing.

2. Place a graduated measuring cup or the large chamber of the empty brixing cup (BUNN-O-MATIC part number 33095.0000) under the ap- propriate dispense nozzle.

3. Press and hold the desired “Product Dispense Switch” Fig 5 (“+/Stop Switch” Fig 6, for portion control dispensers) for 5 seconds. Note that the beeper sounds once per second (6 times, total) during this period.

4. At the end of the 5 second period, the selected position will dispense water (no concentrate) for only 3 seconds.

5.Measure the water dispensed.

6.Adjust the water flow rate Fig 8, (clockwise to increase flow rate; counterclockwise to decrease flow rate) to the corresponding product mix ratio as follows:

Mix Ratio

Adjust water flow rate to:

Product

Brix %

 

(water + concentrate)

 

 

 

 

2+1

*3.75 fluid ounces (111 ml)

Prune Juice

16.0%

 

 

per 3-second test

Other

*

 

4+1

 

Orange Juice

11.8%

 

 

Pineapple Juice

12.8%

 

 

*4.0 fluid ounces (118 ml)

Cranberry Fruit Cocktail

14.0%

 

 

Grapefruit Juice

10.6%

 

 

 

5+1

per 3-second test

Lemonade

 

 

 

Apple Juice

12.0%

 

 

 

Fruit Punch

 

 

 

 

Grape Juice

13.0%

 

3+1 through 7+1

 

Other

*

 

Above 7+1

*4.0 fluid ounces (118 ml)

Other

*

 

 

per 3-second test

 

 

 

High Viscosity Juice

2.25-3.0 fl.oz. (66.5-89ml)

As Required

-

 

 

per 3-second test

 

 

 

 

 

 

 

 

*Maximum flow rate may be less depending on the water pressure supply at each location.

Note: Information for specific products listed in this table is to be used for reference only. Consult the product label for exact mix ratio and/or brix %. See product label for target brix %.

7.Repeat steps 3 through 6 as necessary until the correct water flow rate is achieved.

8.Repeat steps 3 through 7 for the remaining dispense positions.

9.Exit the “Pump Speed Programming” mode by simultaneously pressing both “Hidden Switches”. Note that the beeper sounds twice and the “PROGRAM” indicator extinguishes.

14

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Contents JDF-2 Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents User NoticesPlumbing Requirements Initial SET-UPElectrical Requirements CE RequirementsPlumbing Requirements Initial FillPlumbing Hookup LoadingPriming Frozen ConcentratesSanitize Switch Refrigeration SwitchRefrigeration Switch Operating ControlsOperating Controls Portion Control Models Refer to Fig Dispenser USEPress and Hold Models Refer to Fig Weekly Sanitizing Cleaning & Preventive MaintenanceDaily Parts Washing Cleaning Cleaning Monthly Clean Condenser Air Filter Annually Replace Pump TubingAdjustment & Optional Settings Temperature Compensated Refractometer MethodPer 3-second test Mix RatioProduct Brix % Adjustment & Optional Settings Pump Speed Programming Cup Size Programming Portion Control Dispensers OnlyAdjustment & Optional Settings Dispenser Lockout Service LockoutAdjustment & Optional Settings Password ProtectionCooling Fault List Dispense Fault ListBeeper Fault DBC display FaultControls Off Dip Switch Function ListRefill indicator when concentrate out is detected Audio feedback during dispensesFunction List Access bath fill valve and top off bath tank TroubleshootingProblem Probable Cause All water LEDs flashCooling system failure or DBC fault TroubleshootingProblem RemedyRefill LED not extinguishing Bottle adapter switch mem- braneDispense touchpad All stations dispense concentrate Main water supply OnlyWater only Problem Probable Cause RemedyConcentrate only Password Initial fill/setupCant access programming Programming password feature Nect fittingsOnce water is set, adjust motor Fault codesIs powered from the step-down Step-down transformerUse of portable water pump Difficulty brixing and/or weak bev Pump tubing ErageStation Difficulty brixing bag-in-boxCoolant Schematic Diagram Schematic Wiring Diagram Schematic Wiring Diagram Schematic Wiring Diagram JDF-2 Control Panel Circuit Schematic Wiring Diagram JDF-2 Remaining Circuits

JDF-2 specifications

The Bunn JDF-2 is a cutting-edge coffee brewing system designed for high-performance environments such as coffee shops, restaurants, and offices. This versatile machine combines advanced brewing technologies with user-friendly features, making it a popular choice among coffee aficionados and professionals alike.

One of the standout features of the Bunn JDF-2 is its ability to brew coffee quickly and efficiently. The machine boasts an innovative brewing system that utilizes an advanced heat exchange technology, ensuring that water is heated to the optimal brewing temperature in no time. This results in a rapid brew time, allowing operators to serve freshly brewed coffee continuously, even during peak hours.

The Bunn JDF-2 is equipped with a digital control interface that allows users to customize their brewing settings with ease. This interface features adjustable brew times, water temperatures, and batch sizes, allowing baristas to fine-tune each brew to achieve the perfect flavor profile. Additionally, the machine can store multiple recipe presets, enabling quick access to different brewing styles.

Durability and reliability are also key characteristics of the Bunn JDF-2. Constructed from high-quality materials, it is designed to withstand the rigors of everyday use. This commercial-grade machine is built to last, ensuring that businesses can rely on it for consistent performance over time. The JDF-2 also incorporates a variety of safety features, including automatic shut-off mechanisms and easy-access components for maintenance, making it a safe choice for busy environments.

The Bunn JDF-2 employs a dual brewing system, which can brew both regular and decaffeinated coffee simultaneously. This feature is particularly beneficial for establishments that cater to diverse customer preferences. The machine's capabilities also extend to brewing specialty beverages, further enhancing its versatility.

In terms of design, the Bunn JDF-2 presents a sleek and modern aesthetic that complements any coffee shop or commercial kitchen. Its compact size allows for easy integration into existing workflows, maximizing space efficiency without compromising performance.

Overall, the Bunn JDF-2 stands out as a premier choice for those seeking a powerful, efficient, and user-friendly coffee brewing system. With its advanced technologies, customizable settings, and robust construction, it meets the demands of both high-volume coffee operations and discerning coffee lovers.