Bunn JDF-2N manual Adjustment & Optional Settings, Temperature Compensated Refractometer Method

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ADJUSTMENT & OPTIONAL SETTINGS

Total Dispense Ratio Set Up Procedure

1.Adjust water flow as described in Water Flow Testing and Adjustment. Record water output setting for later reference on each dispense head.

2.Enter program mode by simultaneously pressing both hidden switches.

3.Press and hold the dispense button, you will hear 5 beeps then two short beeps, continue holding until you hear three short beeps. At this time the dispenser will run product and water for 3 seconds.

4.Record the total ounces dispensed.

5.Refer to the Brix/Ratio chart below to confirm proper total dispensed amount for ratio desired and water output previously recorded.

6.To increase or decrease the product output, refer to Pump Speed Programming section. *

*Always dispense 12 ounces of finished product after making a pump speed adjustment before taking an ad- ditional sample for the brix/ratio check.

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Temperature Compensated Refractometer Method

1.Adjust the water flow as described in Water Flow Testing and Adjustment.

2.Place an empty container under the appropriate dispense nozzle.

3.Dispensers with Press and Hold Feature:

Press and hold the “Product Dispense Switch” Fig 5, until water and concentrate begin flowing freely from the dispense nozzle.

Dispensers with Portion Control Feature:

Press and hold the “+/Stop Switch” Fig 6, until water and concentrate begin flowing freely from the dis- pense nozzle.

4.Discard the product caught previously and place the empty container back under the dispense nozzle.

5.Dispensers with Press and Hold Feature:

Press and hold the “Product Dispense Switch” until the cup is filled.

Dispensers with Portion Control Feature:

Press and hold the “+/Stop Switch” until the cup is filled.

6.Stir the contents of the cup, and use the refractometer (according to the manufacturer’s instructions) to check the brix %.

7.Adjust the pump speed (down to decrease the brix %; up to increase the brix %) to achieve the correct brix % as described in Pump Speed Programming.

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisContents User Notices Electrical Requirements Initial SET-UPPlumbing Requirements Electrical HOOK-UPInitial Fill Connection Initial FillPriming LoadingPlumbing Hookup Frozen ConcentratesRefrigeration Switch Refrigeration SwitchSanitize Switch Operating ControlsOperating Controls Press and Hold Models Refer to Fig Dispenser USEPortion Control Models Refer to Fig Daily Parts Washing Cleaning & Preventive MaintenanceWeekly Sanitizing Cleaning Annually Replace Pump Tubing Cleaning Monthly Clean Condenser Air FilterTemperature Compensated Refractometer Method Adjustment & Optional SettingsProduct Brix % Mix RatioPer 3-second test Cup Size Programming Portion Control Dispensers Only Adjustment & Optional Settings Pump Speed ProgrammingService Lockout Adjustment & Optional Settings Dispenser LockoutPassword Protection Adjustment & Optional SettingsBeeper Fault Dispense Fault ListCooling Fault List DBC display FaultRefill indicator when concentrate out is detected Dip Switch Function ListControls Off Audio feedback during dispensesFunction List Problem Probable Cause TroubleshootingAccess bath fill valve and top off bath tank All water LEDs flashProblem TroubleshootingCooling system failure or DBC fault RemedyDispense touchpad Bottle adapter switch mem- braneRefill LED not extinguishing All stations dispense concentrate Main water supply OnlyConcentrate only Problem Probable Cause RemedyWater only Cant access programming Programming password feature Initial fill/setupPassword Nect fittingsIs powered from the step-down Fault codesOnce water is set, adjust motor Step-down transformerStation Difficulty brixing and/or weak bev Pump tubing ErageUse of portable water pump 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-2N specifications

The Bunn JDF-2N is a high-performance coffee brewing system that has gained popularity among coffee enthusiasts and professionals for its innovative features and exceptional brewing capabilities. Designed with user convenience and operational efficiency in mind, this machine is ideal for cafes, restaurants, and various other commercial settings.

One of the standout features of the Bunn JDF-2N is its dual brewing capability. It allows for simultaneous brewing of two distinct coffee batches, accommodating high demand and ensuring that customers receive fresh coffee promptly. This feature is particularly advantageous in busy environments, where quick service is essential to maintain customer satisfaction.

The brewing technology employed in the JDF-2N is designed to optimize extraction and flavor. The machine utilizes a precisely controlled spray head that saturates coffee grounds evenly, allowing for a consistent extraction process. This results in a rich, flavorful coffee that highlights the unique characteristics of each coffee blend. Additionally, the machine is equipped with a large-capacity water reservoir, which guarantees a steady flow of hot water, further enhancing brewing efficiency.

Another notable characteristic of the Bunn JDF-2N is its intuitive digital control panel. This user-friendly interface allows baristas and operators to easily adjust brewing parameters, such as brew temperature and time, tailoring the process to specific coffee types or personal preferences. The programmable features enable users to save their favorite settings, ensuring a consistent coffee experience with every brew.

The build quality of the Bunn JDF-2N is robust, featuring durable stainless steel construction that not only maintains aesthetic appeal but also ensures longevity. The machine is designed with serviceability in mind, allowing for easy access to components for maintenance and repairs.

Moreover, the Bunn JDF-2N is equipped with an innovative hot water faucet, offering immediate access to hot water for tea, soup, or other hot beverages, further enhancing its versatility in a commercial setting.

In summary, the Bunn JDF-2N stands out with its dual brewing functionality, advanced extraction technology, user-friendly interface, and durable construction. It represents an ideal solution for businesses that prioritize quality, efficiency, and customer satisfaction in their coffee offerings. With its array of features and reliable performance, the Bunn JDF-2N is a noteworthy choice for any establishment looking to elevate its coffee service.
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