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Bunn Silver Series Refrigerated Dispenser Cleaning

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Bunn’s line of beverage equipment not only makes brewing, mixing and dispensing easy, but perfect for commercial foodservice spaces like restaurants, cafes, cafeterias and more. Case in point: the Bunn Silver Series beverage dispensers. Since they’re able to hold multiple flavors or types of beverages, they’re the perfect unit to add some variety. TO ensure your drinks come out tasty, it’s vital that your Silver Series be regularly cleaned. Take a look through our Bunn Silver Series cleaning guide to learn how to properly do so.

This guide is applicable for the JDF-2S and JDF-4S models.

Daily Cleaning

  • Step 1—Open the dispenser door to lift up and remove product containers from unit.
  • Step 2—Place an empty container under dispensing nozzle.
  • Step 3—Dispense from each station to flush until clear water comes out.
  • Step 4—Reconnect all product containers once flushed.
  • Step 5—Remove the dispense nozzle(s), drip tray and its cover and wash all parts in a mild detergent solution. Use a Bunn cleaning brush to clean the inside of the nozzle and the nozzle’s o-ring area. Rinse thoroughly.
  • Step 6—Wipe down the splash panel, the area around each nozzle and the refrigerated compartment with a clean, damp cloth.
  • Step 7—Use a brush with a mild detergent solution to clean the inside of the dispense area while nozzles are removed. Rinse thoroughly. 

Weekly Cleaning

  • Step 1—Clean the removable filter with warm, soapy water.
  • Step 2—Clean any buildup in the condenser with a soft bristle cleaning brush.

Annual Cleaning

  • Step 1—Check the water level in ice bath and top off if needed.
  • Step 2—Have pump tubing replaced.

Sanitizing for the Fresh Mix Dispenser

  • Step 1—Remove all concentrate from the dispenser and store separately in the refrigerator.
  • Step 2—Fill a clean, empty concentrate container (or containers) with 32 oz. of hot water (140 F/60 C). Then load the containers of hot water into the dispenser. 
  • Step 3—Put an empty container under the dispense nozzle(s).
  • Step 4—Press and hold each dispense button for about 30 seconds until the water runs clear. 
  • Step 5—After flushing is done, remove container(s) and empty.
  • Step 6—Remove all dispense nozzles and mixing element and clean by running under hot tap water to remove excess debris.
  • Step 7—Mix up 2.5 gallons (9.46 liters) of sanitizing solution by dissolving 1 packet of the Kay 5 sanitizer in 2.5 gal. of hot water (around 120 F/49 C).
  • Step 8—Place nozzle(s) and mixing element(s) into a 1-qt container with the sanitizing solution and mix thoroughly. Let soak for 2 minutes.
  • Step 9—Take a soft bristle brush and clean nozzle(s) and mixing element(s) in the sanitizing solution. 
  • Step 10—Take a soft bristle brush and clean the concentrate bottle’s inlet adapter(s) in the sanitizing solution. 
  • Step 11—Reinstall mixing element(s) and nozzle(s).
  • Step 12—Take 128 oz. (3.8 L) of clean, unused sanitizing solution and fill into clean, empty concentrate container(s). Load container(s) into dispenser.
  • Step 13—Place an empty 5 gallon bucket under the dispense nozzle(s).
  • Step 14—Begin sanitizing by following your model’s specific instructions:
    • Semi-Automatic Models prior to S/N JDF0016500
      • Step 14a—For JDF-2S models, press and hold both dispense buttons for 10 seconds to start the sanitizing cycle.
      • Step 14b—For JDF-4S models, press and hold the three leftmost buttons on Station 1, 2 and 3 for 10 seconds to start the sanitizing cycle. When the cycle starts, only one of the dispensing stations will dispense. 
      • Step 14c—The sanitizing cycle will alternate between each station for a 1-minute dispense time, then a 5-minute soak dime, then a 2-minute dispense time that alternates again between each station. 
    • Semi-Automatic Models effective to S/N JDF0016500 and up
      • Step 14a—Turn on the program switch located in the bottom of the unit.
      • Step 14b—For JDF-2S models, press the left dispense button twice, then press the right dispense button twice. 
      • Step 14c—For JDF-4S models, press the left Station 1 dispense button twice, then the left-center Station 2 button twice.
      • Step 14d—The sanitizing cycle will alternate between each station for a 1-minute dispense time, then a 5-minute soak dime, then a 2-minute dispense time that alternates again between each station. 
    • Manual Models
      • Step 14a—Dispense at each station for 1 minute.
      • Step 14a—Let soak for 5 minutes.
      • Step 14a—Dispense each station again for 2 minutes.
  • Step 15—Once the sanitizing cycle is done, remove the sanitizing solution and replace with concentrate.
  • Step 16—Press and hold the dispense button at each station until product comes out, then dispense 12 oz (355 ml) of finished product and discard.
  • Step 17—Wipe down the interior and exterior surface of unit with a clean, damp cloth. 

For more cleaning tips, operation help and troubleshooting, check out our large library of Bunn manuals and diagrams.

Please contact a local authorized service agent who can help with this specific unit and all your commercial kitchen equipment needs.

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