Bunn JDF-4S manual Operating Controls, Dispenser USE, Refrigeration Switch

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OPERATING CONTROLS

Refrigeration Switch

The refrigeration switch is located on the rear of the dispenser near the center. This switch controls power to the water bath pump and relay contacts for the compressor and condenser fan motor.

P3580-1

P3841

FIG 7 Refrigeration Switch - JDF-2S

FIG 8 Refrigeration Switch - JDF-4S

 

P3583

P3844

 

 

FIG 9 Product Dispense Switches - JDF-2S

 

FIG 10 Product Dispense Switches - JDF-4S

A.Product Dispense Switch

Pressing and holding switch will initiate product flow from the respective nozzle; releasing the switch will stop the flow.

B.Dispense Lockout Switch (JDF-2S shown)

This switch is located at the bottom front of the dispenser just behind the drip tray. It is used to turn ON and OFF the Dispensing function. It is also used for some programming and fill procedures.

P3612

FIG 11 Dispense Lockout Switch

DISPENSER USE

Press and Hold Dispensing:

1.Place a cup on the drip tray beneath the desired dispensing nozzle.

2.Press and hold the “Product Dispense” switch until the beverage reaches the desired level, then release.

39992 042007

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Contents Phone 217 529-6601 FAX 217 JDF-2S JDF-4SContents 27442.0000 User Notices00656.0000 12559.0003 33461.0001Electrical Requirements Initial SET-UPPlumbing Requirements Electrical HOOK-UPDoor Cover Installation Install door coverSecure the door cover using 5 screws provided Plumbing Connections JDF-2S Plumbing Connections JDF-4S Plumbing HookupInitial Fill Initial Fill Hose JDF-2S Initial Fill Hose JDF-4SInitial Fill Priming LoadingFrozen Concentrates Ambient Concentrates OptionalRefrigeration Switch Operating ControlsDispenser USE Portion Control Option Operating ControlsTemperature LEDs JDF-4S Daily Rinse Procedure Cleaning & Preventive MaintenanceDaily Parts Washing Weekly Semi-Automatic Sanitize ProcessCleaning Monthly Clean Condenser Coils Annually Replace Pump TubingOpen dispenser door Water Flow Testing and Adjustment Adjustment & Optional SettingsPump Speed Adjustment Mix RatioTemperature Compensated Refractometer Method Adjustment & Optional SettingsAdjustment & Optional Settings Dispenser Lockout Function List Circuit Board LED Indicators JDF-2SLED # LED Color IlluminatesJDF-4S Function List Circuit Board LED Indicators JDF-4SProblem TroubleshootingProbable Cause RemedyCompressor ON/OFF switch Dirty condenser filter or fins TroubleshootingRefrigeration Space around machineProblem Probable Cause Remedy Water only Concentrate onlyNect fittings Initial fill/setupTray Water pressure greater thanProblem Probable Cause Coolant Schematic Diagram Schematic Wiring Diagram JDF-2S Schematic Wiring Diagram JDF-4S Machine door Quick Setup Guide JDF-2S and JDF-4S JDF-2S shown
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JDF-4S specifications

The Bunn JDF-4S is a high-performance commercial coffee brewer designed to meet the needs of busy coffee shops, restaurants, and other establishments requiring a reliable and efficient coffee brewing solution. This versatile machine boasts an array of advanced features and technologies, making it a prominent choice among professionals in the coffee industry.

One of the most notable features of the Bunn JDF-4S is its ability to brew up to 4 gallons of coffee per hour, ensuring that establishments can keep pace with high-demand environments. This capacity makes it an ideal choice for venues that experience peak periods of coffee consumption, minimizing wait times for customers. The machine is designed with a multiple-brew option, allowing users to select various brew methods, which can cater to diverse customer preferences.

The JDF-4S incorporates Bunn’s patented brewing technology, which utilizes a precision-controlled process to ensure optimal flavor extraction. The brewed coffee is delivered at an ideal temperature, typically between 195°F and 205°F, promoting maximum taste and aroma. The machine also features a programmable digital controller that enables users to set specific brew times and adjust water temperature settings to achieve consistent results.

Another significant characteristic of the Bunn JDF-4S is its durability and ease of use. Constructed with high-quality materials, the machine is built to withstand the rigors of daily operation. The user-friendly interface features a simple touchpad design for easy navigation and programming. Additionally, the machine includes a built-in diagnostics program, helping users quickly identify and troubleshoot potential issues, thereby minimizing downtime.

The JDF-4S also offers flexible brewing options, including iced coffee brewing, enhancing its versatility. It is compatible with Bunn’s extensive range of coffee and tea dispensers, allowing businesses to expand their beverage offerings effortlessly. Furthermore, the unit features an easy-access water reservoir for quick refilling and reduced wait times during busy service periods.

In terms of maintenance, the Bunn JDF-4S is designed with user convenience in mind. The machine includes a rinse and clean cycle to ensure optimal hygiene and coffee quality. Integrated clean alerts guide users through the cleaning process, promoting regular upkeep and ensuring the longevity of the brewer.

In summary, the Bunn JDF-4S represents a cutting-edge solution for coffee brewing that prioritizes performance, versatility, and ease of use. With its advanced brewing technology, user-friendly features, and robust construction, it offers an exceptional choice for businesses seeking to serve high-quality coffee efficiently.
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