Bunn JDF-4D Installation & Operating Manual
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Bunn JDF-4D Installation & Operating Manual

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JDF-4D
REFRESH SERVER +
INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601
FAX: (217) 529-6644
To ensure you have the latest revision of the Operating Manual, Illustrated Parts Catalog, Program-
ming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This
is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. For
Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.
52959.0000G 12/17 ©2016 Bunn-O-Matic Corporation

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  • Page 1 To ensure you have the latest revision of the Operating Manual, Illustrated Parts Catalog, Program- ming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.

  • Page 2: Warranty

    AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.

  • Page 3: Table Of Contents

    CONTENTS Warranty ........................2 User Notices ........................3 Initial Set-Up & Electrical Requirements ................ 5 Plumbing Requirements ....................5 CE Requirements ......................4 Door Cover Installation ....................6 Plumbing Hookup ......................8 Loading .......................... 9 Operating Controls ......................7 Dispenser Use ......................10 Cleaning ........................

  • Page 4: Ce Requirements

    CE REQUIREMENTS • This appliance must be installed in locations where it can be overseen by trained personnel. • For proper operation, this appliance must be installed where the temperature is between 5°C to 35°C. • Appliance shall not be tilted more than 10° for safe operation. •...

  • Page 5: Initial Set-Up & Electrical Requirements

    BUNN-O-MATIC (part number 34325.10_ _ [see Illustrated Parts Catalog for complete part number.]) BUNN-O-MATIC does not recommend the use of saddle valves to install the dispenser. The size and shape of the hole(s) made in the supply line(s) by saddle valves may restrict water flow.

  • Page 6: Door Cover Installation

    DOOR COVER INSTALLATION 1. Install door cover by first plugging the door switches to the door circuit board located at the bottom of the machine door. 2. Install door cover and secure using 5 screws provided. (Two on top, two on bottom, and one on side) NOTE: Push door in before tightening screws.

  • Page 7: Operating Controls

    OPERATING CONTROLS Refrigeration Switch The refrigeration switch is located behind the splash panel of the dispenser near the center. This switch con- trols power to the water bath pump and relay contacts for the compressor and condenser fan motor. Refrigeration Switch Product Dispense Switch Pressing and holding switch will initiate product flow from the respective nozzle;...

  • Page 8: Plumbing Hookup

    PLUMBING HOOKUP The plumbing connection is located on the rear of the dispenser. A 3/8" (9.52 mm) male flare adapter fitting is supplied, installed on the rear of the dispenser. NOTE - Water pipe connections and fixtures directly connected to a potable water supply shall be sized, installed and maintained in accordance with federal, state and local codes.

  • Page 9: Loading

    LOADING THE PRODUCT ACCESS MENU LOADING PRODUCT • To access the MENU • Product should be screen, open the refrigerated 24 hours dispenser door and turn before loading in on the switch at the top dispenser. inside of the door. •...

  • Page 10: Dispenser Use

    DISPENSER USE Priming the Dispenser 1. Open the dispenser door 2. Load concentrate per instructions in section titled Loading. 3. Close the dispenser door. 4. Place a container under the appropriate dispense nozzle. 5. Press and hold the “Dispense Switch” until concentrate dispenses from the dispense nozzle. Press and Hold Dispensing: 1.
  • Page 11 Instructions for cleaning inside of the JDF-4D cabinet and pumps. The following instructions are to be followed if a spill has occurred inside the cabinet and the pumps need to be cleaned. 1. Unload product from the cabinet. a) Lift pump lever to the right and leave in a vertical position.

  • Page 12: Programming

    PROGRAMMING LEVEL 1 ACCESS MENU SWITCH DISPENSE SCREEN Menu Access Menu Switch allows Day Part Product Change, Cleaning, and Training menus. Other screens are marked with padlock and require an access code to continue. ACCESS MENU • To access the MENU screen, open the dispenser door and turn on the switch at the top inside of the door.
  • Page 13 LEVEL 1 ACCESS (Continued) DAY PART PRODUCT CHANGE Open door. Rotate pump lever 90° clockwise. Disconnect nozzle from water port tube. Unwrap tubing from pump and remove caddy from dispenser. LOADING PRODUCT • Product should be refrigerated 24 hours before load- ing in dispenser.
  • Page 14 LOADING PRODUCT (Continued) 7. When changing flavors for day parting, press YES. 6. Close pump lever. NOTE: Screen will prompt this question at every door closure only if this feature is activated in the "SET- TINGS" icon of the menu. 8.
  • Page 15 LEVEL 1 ACCESS (Continued) RINSING Rinsing of the nozzles can be activated with the START ALL button, or individually by activating the START but- ton below each flavor icon. Note two different methods to access rinsing. METHOD 1 MENU SCREEN RINSE SCREEN METHOD 2 1.
  • Page 16 LEVEL 1 ACCESS (Continued) TRAINING MENU SCREEN TRAINING Manuals The Training menu may contain a number of items Press Manuals icon in top center of screen to to select including Manuals or Instruction Videos. from available manuals. Videos Return to Menu Screen Press Videos icon in top right of screen to to select Press screen icon in top left corner of screen to return from available videos.
  • Page 17 LEVEL 2 ACCESS (requires operator pass code 4521) Operator Access Store owners have access to Day Part Product Change, Cleaning, and Training menus always. Other screens are marked with padlock and require a pass code to continue. Those screens include Sleep/Lock- out, Product Setup, Information, Events, Settings, and Statistics.
  • Page 18 PRODUCT SETUP The Product Setup menu first offers the operator the option of changing the flavors for each dispense station. Scrolling up or down to the desired flavor and selecting SAVE or CANCEL. The available flavor op- tions can be viewed by touching the headings at the top of the display screen labelled: FLAVOR SELECTION, JUICE FLAVORS, WATER FLA- VORS, or TEA FLAVORS.
  • Page 19 INFORMATION The Information menu displays Display Board and Control Board data. This info may need to be refer- enced for service. EVENTS The Events menu displays possible fault descrip- tions. WARNINGS - Indicates potential dispenser issues that should be further diagnosed. ALARMS - Indicate some dispenser functions may not be operating properly.
  • Page 20 LEVEL 2 ACCESS (Continued) SETTINGS The Settings menu displays options for: Crew serve – Checking this box activates the portion size dispensing option. Portion sizes can be adjusted using the technician icon in the menu screen. Screen Capture – This may be used by service to cap- ture screen shots to review later.
  • Page 21 LEVEL 2 ACCESS (Continued) CREW SERVE SET UP Go to Settings. Check Crew Serve. Go to Product Setup. Select drink catagory. (Juice Flavors shown) 52959 100716...
  • Page 22 LEVEL 2 ACCESS (Continued) CREW SERVE SET UP (Continued) Choices can be made by selecting ICE or NO ICE. If you have designated cup sizes, dispense volumes may be set by placing an empty cup on the drip tray. Select Learn and press the dispense button to fill the cup to the desired size.
  • Page 23 LEVEL 2 ACCESS (Continued) CREW SERVE SET UP (Continued) If we want to copy the new dispense volume to other flavors, we select Copy. Screen will now display: Copy From: "flavor selected" We select a new flavor and select Paste To. Screen will now display: Copy From: "flavor selected"...
  • Page 24 LEVEL 2 ACCESS (Continued) STATISTICS The Statistics menu displays options for: Date Range Export Select the beginning and ending date for data Download Drink Dispense summary to auxillary viewing. drive. Drink Totals Drink Metrics Product data. Product data. 52959 100716...
  • Page 25 LEVEL 3 ACCESS (requires technician pass code) Technician Access A technician can access the Technicians screen using a pass code known only to the technician. Technician Site Map Technician Screen Bath Fill Dispense Service Troubleshooting Wiring Diagram Pump Motors Switch Test Display Connections Display Touch MENU SCREEN...
  • Page 26 LEVEL 3 ACCESS (Continued) INITIAL FILL OPENS TO TEMPERATURE TEST - BATH FILL BATH FILL CAUTION: The dispenser must be disconnected from the power source throughout the initial fill except when specified in the instructions. 1. Remove drip tray assembly and splash panel from the dispenser. Replace the drip tray. 2.
  • Page 27 LEVEL 3 ACCESS (Continued) RATIO CHECK PROCEDURE OPENS TO TEMPERATURE TEST - SELECT DISPENSE PUMP DISPENSE TESTING - WATER Only Selected Water Flow Testing 1. Place a graduated measuring vessel under the ap- propriate dispense nozzle. 2. For each station to be checked, select Water Only at the top of the screen.
  • Page 28 LEVEL 3 ACCESS (Continued) Pump Speed Adjustment OPENS TO TEMPERATURE TEST - SELECT DISPENSE PUMP DISPENSE 1. Access Technician/dispense screen. 2. Locate pump speed setting in the middle of the screen. Pump speed is measured and displayed in hertz. 3. Touch the speed for the dispense station you need to adjust to bring up a number pad. 4.
  • Page 29 LEVEL 3 ACCESS (Continued) TROUBLESHOOTING SERVICE (TROUBLESHOOTING) Wiring diagram – This screen is active and can be used to aide in diagnosing components. Touching the highlighted circles will activate the noted component. When running, the pump speed will be displayed in Hz in the lower left corner next to each pump sensor.
  • Page 30 LEVEL 3 ACCESS (Continued) Troubleshooting (Continued) Switch test – Use this screen to verify operation of the dispense switches and the nozzle detect switch- es. With nozzles loaded in each station, and the door closed, the view of the door on the screen should have 4 green dots at the lower portion indicating the nozzle detect switches are pressed.
  • Page 31 LEVEL 3 ACCESS (Continued) Troubleshooting (Continued) Temperature screen – This screen actively displays the temperature reading of the cabinet and bath. Not indications are included that indicate if the tempera- ture is currently above or below the desired target. TEMPERATURE TEST SERVICE SUMMARY DRINKS LOG COMPRESSOR LOG...
  • Page 32 LEVEL 3 ACCESS (Continued) Troubleshooting (Continued) Data Import or Export (Requires USB Stick) Service export – This screen provides a method to export data to a removable storage drive. After con- necting a storage device, touch each of the icons to download the data to the drive.
  • Page 33 LEVEL 3 ACCESS (Continued) Troubleshooting (Continued) Data Import or Export (Requires USB Stick) Service export – This screen provides a method to export data to a removable storage drive. After con- necting a storage device, touch each of the icons to download the data to the drive.

  • Page 34: Coolant Diagram

    COOLANT SCHEMATIC DIAGRAM 52959 061716...

  • Page 35: Schematic Wiring Diagrams

    TYPE A ENCODER #4 LEFT J17-1 MIDDLE LEFT J2-1 SPARE INPUT/OUTPUT DISPENSE DISABLE SPARE INPUT/OUTPUT J17-4 GROUND EXTERNAL LED OUTPUT +5VDC 120 VOLTS AC J2-6 +24VDC 220-230 VOLTS AC 2 WIRE SINGLE PHASE xxxxx.0000B 09/16 © 2016 BUNN-O-MATIC CORPORATION 52959 100716...

  • Page 36: Schematic Wiring Diagrams

    SCHEMATIC WIRING DIAGRAM JDF-4D TOUCHSCREEN FUTURE USE FUTURE USE 1) OUT 1 1) OUT 2 1) OUT 3 1) OUT 4 2) +24Vdc 2) +24Vdc 2) +24Vdc 2) +24Vdc FUTURE USE FUTURE USE J3-RFID J1-POWER J5-INPUTS 5-9 J4-MEMBRANE KEYPAD J11-OUT5...

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