Bunn JDF-4 Installation And Operating Manual

Bunn JDF-4 Installation And Operating Manual

Bunn grind and brew coffeemaker operating manual jdf-4

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JDF-4
S/N 0005473 & UP
!
W A
R N
IN
G
DISCONTINUED VERSION
The information in this manual
is no longer current.
INSTALLATION & OPERATING MANUAL
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 manual or to obtain the illustrated parts catalog, 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. Contact Bunn-O-
Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.
www.bunn.com
38218.0001D 02/08 ©2006 Bunn-O-Matic Corporation

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Summary of Contents for Bunn JDF-4

  • Page 1 FAX: (217) 529-6644 To ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, 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. Contact Bunn-O- Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S.
  • Page 2: Warranty

    SOLE OPTION 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

    Use Bunn-O-Matic tubing, part number 32759.10XX for all connections. (See Illustrated Parts Catalog for complete part number) • Clamp all hose connections with Bunn-O-Matic part number 21275.0003 (hose clamp) 34054.0000A 10/01 ©2001 BUNN-O-MATIC CORPORATION 34054.0000 (Early Models prior to the Water Inlet Valve)
  • Page 4: Initial Set-Up & Electrical Requirements

    JDF-4 is designed for indoor use only. Set the dispenser on the counter where it will be used. The JDF-4 requires a minimum of 4 inches (102 mm) of air clearance at the rear and 8 inches (203 mm) of air clearance above the dispenser. Minimal clearance is required between the dispenser sides and the wall or another appliance.
  • Page 5: Plumbing Requirements

    NOTE- At least 18 inches (457 mm) of an FDA approved flexible beverage tubing, such as reinforced braided polyethylene, before the dispenser will facilitate movement to clean the countertop. It can be purchased direct from 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.
  • Page 6: Operating Controls

    OPERATING CONTROLS FIG 2 Refrigeration Switch FIG 3 Sanitize Switch & Water Valves A. Sanitize Switch B. Water Bath Valve C. Main Water Valve (Early Models) Refrigeration Switch The refrigeration switch is located on the top of the dispenser near the left rear corner.
  • Page 7 OPERATING CONTROLS (cont.) FIG 4 Press and Hold Models A. Product Dispense Switch Pressing and holding switch will initiate product flow from the respective nozzle; releasing the switch will stop the flow. B. Chilled Water Dispense Switch Pressing and holding switch will initiate chilled water flow from the nozzle; releasing the switch will stop the flow.
  • Page 8: Initial 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. Set the drip tray back into place. 2. Ensure that the Main Water Valve (Early models) and the Water Bath Valve Fig 3, are turned off (handles po- sitioned at 3 o’clock and 9 o’clock, respectively,) and that the Refrigeration Switch Fig 2, is in the OFF (rear) position.
  • Page 9: Dispenser Use

    INITIAL FILL (cont) Ambient Concentrates (Optional) 1. Install an Ambient Concentrate Conversion Kit (BUNN-O-MATIC part number 33699.0000) per the instruc- tions provided in the kit. 2. Attach the concentrate product hose to the appropriate concentrate line located behind the dispenser’s splash panel.
  • Page 10: Cleaning

    3. Close the refrigerated compartment’s door. 4. Place the empty container under the dispense nozzle to catch the rinse water. (CAUTION: THE BUNN JUICE DISPENSER CAN BE PLUMBED FOR A HOT WATER RINSE. RINSE WATER CAUGHT IN THIS STEP SHOULD BE HANDLED WITH EXTREME CARE.) 5.
  • Page 11 CLEANING (cont) 6. Select the dispense stations by pressing the “Dispense Switch” for that station. Use the “+/Stop Switch” for portion contol dispensers. The “REFILL” indicator will light and the beeper will sound for the dispense head selected. 7. Once the dispense heads have been selected, press and hold the “Sanitize Switch” for 5 seconds again to initiate the automatic cycle.
  • Page 12 CLEANING (cont) Monthly: Clean Condenser Air Filter 1. Remove the condenser air filter located on the rear of the dispenser. 2. Using a water spray, clean the air filter. Annually: Replace Pump Tubing 39689.0000 Tube Kit JDF-2S & JDF-4S 39687.0000 Tube Assembly NOTE: High volume applications may require tubing changes every 6 months.
  • Page 13: Adjustments & 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.
  • Page 14 “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 4 (“+/Stop Switch”...
  • Page 15 1. Enter the “Pump Speed Programming” mode by simultaneously pressing both “Hidden Switches”. 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 appropriate dispense nozzle.
  • Page 16 ADJUSTMENT & OPTIONAL SETTINGS (cont) 1. Enter the “Pump Speed Programming” mode by simultaneously pressing both “Hidden Switches”. Note that the beeper sounds twice and that the “PROGRAM” indicator begins flashing. 2. Enter a “Lockout” password as follows: a) Press and hold the left hand “Hidden Switch” (half filled circle) for mode #1, the right hand “Hidden Switch”...
  • Page 17 ADJUSTMENT & OPTIONAL SETTINGS (cont) Password Protection The programming modes and service lockout function may be password protected to prevent accidental or unauthorized access to these features. The dispenser is shipped from the factory with a password of “0” (no password.) 1.
  • Page 18 Dispense Fault List “REFILL” indicator Beeper 2 flashes 2 beeps 3 flashes 3 beeps 4 flashes 4 beeps 5 flashes 5 beeps All “REFILL” 3 beeps indicators flash 3 times Cooling Fault List Fault Code “COOLING” indicator 8 flashes every 5 seconds 7 flashes every 5 seconds...
  • Page 19 Dip Switch Function List Dip Switch Controls “REFILL” indicator when “concentrate out” is detected. Lockout dispense components when “concentrate out” is detected. Number of positions that can dispense/rinse simultaneously. Rinse timer Audio feedback during dispenses. Future use. Note: When dip switch 2 is in the “on” position, the “REFILL” indicator is active, regardless of dip switch 1 position.
  • Page 20: Function Lists

    FUNCTION LIST Function # Description Enter Password Set Pump 1 RPM (Concentrate A) Set Pump 2 RPM (Concentrate A) Set Pump 3 RPM (Concentrate A) Set Pump 4 RPM (Concentrate A) Set Pump 1 RPM (Concentrate B) Set Pump 2 RPM (Concentrate B) Set Pump 3 RPM (Concentrate B) Set Pump 4 RPM (Concentrate B) Station 1 Large Cup Dispense Time (seconds)
  • Page 21: Troubleshooting

    A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by qualified service person- nel.
  • Page 22 TROUBLESHOOTING (cont.) PROBLEM Refrigeration All dispense stations not working or all water & refill LED's flash and beep 3 times. Note: Cooling failure or excessive bath and cabinet temperatures for m ore than 4 hours will result in touchpad lockout or no dispense. Dispenser Locked Out All dispense stations not working or all water &...
  • Page 23 TROUBLESHOOTING (cont.) PROBLEM Dispense station not working "refill" LED and beep code. A) 3-Beep - Dispense/Rinse sens- ing fault. B) 4-Beep - Dispense/Rinse knob mis-positioned. Refill LED not extinguishing All stations dispense concentrate only PROBABLE CAUSE 1. Bottle adapter switch mem- brane A) Dispense/Rinse switch mem- brane shorted out simultaneously.
  • Page 24 TROUBLESHOOTING (cont.) PROBLEM Dispense station concentrate only Dispense station water only Dispense starts then stops or "refill" flashes and beeps 5 times. PROBABLE CAUSE Water solenoid In rinse position NOTE: Water will dispense for 4 seconds. Main control board Dispense motor not running RPM sensor REMEDY Replace solenoid (24vdc) or check...
  • Page 25 TROUBLESHOOTING (cont.) PROBLEM Water leak filling drip tray or around dispense deck area Water leaking beneath machine Erratic spray during dispense Dispense nozzle dripping water Can't access programming PROBABLE CAUSE 1. Initial fill/setup 2. Dispense deck 3. Water pressure greater than 100psi 1.
  • Page 26 TROUBLESHOOTING (cont.) PROBLEM Unit is not working and no beep/light fault codes Difficulty brixing and/or weak bev- erage PROBABLE CAUSE 1. Step-down transformer. 2. Main control board. 1. Product viscosity or too cold. 2. Low water pressure. 3. High water pressure. 4.
  • Page 27 TROUBLESHOOTING (cont.) PROBLEM Difficulty brixing and/or weak bev- erage Difficulty brixing bag-in-box PROBABLE CAUSE 1. Pump tubing. 2. Bottle adapter assembly leaking NOTE: Leaking water into con- centrate bottle during rinse of any station. 3. Use of portable water pump. Vacuum leak REMEDY Inspect, clean, or replace tubing...
  • Page 28: Coolant Diagram

    COOLANT SCHEMATIC DIAGRAM 38218.1 030306...
  • Page 29: Schematic Wiring Diagram

    RED/BLK WHI/YEL ICE WATER DISPENSE RED/BLK 120 VOLTS AC 230 VOLTS AC 2 WIRE SINGLE PHASE REFER TO THE FOLLOWING PAGES FOR DETAILED VIEWS OF INDIVIDUAL CIRCUITS SCHEMATIC WIRING DIAGRAM FCD-4 & JDF-4 OPTIONAL FLUORESCENT LAMP BALLAST ON/OFF TRANSFORMER WHI/BLU WHI/GRY...
  • Page 30 30-120 VDC PUMP PUMP PUMP PUMP 24 VDC INPUT, 0/5 VDC SWITCHING OUTPUT SCHEMATIC WIRING DIAGRAM JDF-4 DISPENSE DECK CIRCUIT #1 REFILL #2 REFILL #3 REFILL #4 REFILL SENSOR SENSOR SENSOR SENSOR #1 RINSE & #2 RINSE & #3 RINSE &...
  • Page 31 J6-1 J6-6 J6-12 J3-1 J3-2 J1-1 J1-5 J1-10 J1-18 SCHEMATIC WIRING DIAGRAM JDF-4 CONTROL PANEL CIRCUIT SWITCH UNIT ASSEMBLY (Push Button Control models) SWITCH UNIT ASSEMBLY (Portion Control Models) J9-1 J9-6 J8-1 J8-8 RED/BLK J7-1 GRN/WHI BLU/WHI BLK/WHI J7-5 RED/WHI...
  • Page 32 ELECTROMECHANICAL ICE BANK CONFIGURATION ICE BANK CONTROL BLU/BLK BRN/BLK CONDENSOR FAN BLU/BLK MOTOR COMPRESSOR ASSEMBLY LIMIT THERMOSTAT BLU/BLK COMP. SCHEMATIC WIRING DIAGRAM JDF-4 REMAINING CIRCUITS SANITIZE SWITCH 24 VDC 5 VDC DOOR SWITCH 5 VDC BEEPER 24 VDC GRN/YEL WHI/RED RECIR. PUMP...

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