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ADJUSTMENT & OPTIONAL SETTINGS Water Flow Testing and Adjustment 1. 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. Place the Dispense Lockout switch in the OFF position. 2. Press and release the desired “Product Dispense Switch” three times. 3. The selected position will dispense water (no concentrate) only for 3 seconds. 4. Measure the water dispensed. P3586 5. Adjust the water flow
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ADJUSTMENT & OPTIONAL SETTINGS (cont) 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. Place the Dispense Lockout switch in the OFF position. 3. Place a measuring container under the dispense nozzle, press and release the DISPENSE button 6 times. 4. Record the total ounces dispensed. 5. Refer to the Brix/Ratio chart below to confirm proper total dispensed amou
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ADJUSTMENT & OPTIONAL SETTINGS (cont) Dispenser Lockout Dispense functions of the dispenser can be turned-off to prevent unauthorized use of the dispenser, while keeping the refrigeration system running. 1. Locate the Dispense Lockout switch at the bottom front of the dispenser behind the drip tray. 2. Place the switch in the OFF position to prevent dispensing. 3. Place the switch in the ON position to allow dispensing. 39992 042007 16
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FUNCTION LIST Circuit Board LED Indicators - JDF-2S LED # LED Color Illuminates: 1 Green When the compressor should be ON. 2 Cabinet Red When the cabinet temperature is above 50 degrees F. Flashes slowly when cabinet temperature exceeds 50 degrees F for 4 hours. Dispense functions are locked out under this condition. Power down the dispenser to reset. Flashes rapidly if dispense is attempted in lockout condition. Open cabinet thermistor circuit will flash #2 and #3 LED’s 1 t
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FUNCTION LIST (Continued) Circuit Board LED Indicators - JDF-4S LED # LED Color Illuminates: 1 Bath Red When bath temperature is above 34 degrees F. Flashes slowly when compressor is in a 6 minute delay period. Open bath thermistor circuit will flash #4 and #5 LED’s 1 time every 3 seconds. The compressor will not run under this condition. Shorted bath thermistor circuit will flash #4 and #5 LED’s 2 times every 3 seconds. The compressor will not run under this condition. 2
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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. • All electronic components have 120-240 volt ac and low voltage dc potential on their terminals. Shorting of terminals or t
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Refrigeration 1. Compressor ON/OFF switch. Check for "ON" position or no con- Dispense stations not working. tinuity - replace switch. Note: Cooling failure or excessive bath and cabinet temperatures for 2. Dirty condenser filter or fins. Clean filter and fins or replace con- more than 4 hours will result in denser filter. (Filter not supplied on dispense lockout or no dispense. some machines). 3. Condenser fan not running. A) Check for 120
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JDF-2S
JDF-4S
Silver Series
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE,
and the quickest way to obtain the catalog. 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.
39992.0
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CONTENTS Introduction & Warranty ................................................................................................ 2 User Notices .................................................................................................................. 3 Initial Set-Up & Electrical Requirements ........................................................................ 4 Plumbing Requirements ................................................................................................ 4 D
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USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 00986.0002 27442.0000 This equipment must be installed to comply with the Basic Plumbing Code of the Building Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the Food and Drug Administration (FDA). For models installed outs
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INITIAL SET-UP CAUTION: The dispenser is very heavy! Use care when lifting or moving it. Use at least two people to lift or move the dispenser. Place dispenser on a sturdy counter or shelf able to support at least 150 lbs. (68 kg). This dispenser is designed for indoor use only. Set the dispenser on the counter where it will be used. This dispenser 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 cle
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DOOR COVER INSTALLATION 1. Install door cover by first plugging the door harness connector into the machine harness connector located at the bottom of the machine door. P3577 P3577 JDF-4S JDF-2S 2. Install door cover. P3578 P3578 JDF-4S JDF-2S 3. Secure the door cover using 5 screws provided. P3840 P3579 JDF-4S JDF-2S 39992 042007 5
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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. P3841 P3580-1 FIG 1 Plumbing Connections - JDF-2S FIG 2 Plumbing Connections - JDF-4S 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. Replace the
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INITIAL FILL (Continued) 7. Turn ON the refrigeration switch at the back of the dispenser. This will start the water bath pump circula- tion. 8. Check water level in the overflow tube and top off the tank if necessary (Step 5). 9. Disconnect the fill tube and allow excess water to drain into the drip tray. Replace the plug in the end of the fill tube and store back into the dispenser. 10. Place the Dispense Lockout switch back to the ON position. 11. Replace the splash panel and drip tray. 12.
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LOADING Frozen Concentrates 1. Thaw the frozen concentrate in a refrigerated 35-40 degrees F (1.6-4.4 degrees C) environment for 36 to 48 hours before use. 2. Thoroughly mix the thawed concentrate by vigorously shaking the product container. 3. Open the dispenser door. 4. Prior to placing the product container in the dispenser, make sure that the o-ring on the container adapter is lubricated. This will ease removal of the container when it becomes necessary. 5. Place the product container in t
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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. P3841 P3580-1 FIG 8 Refrigeration Switch - JDF-4S FIG 7 Refrigeration Switch - JDF-2S P3844 P3583 FIG 9 Product Dispense Switches - JDF-2S FIG 10 Product Dispense Switches - JDF-4S A. Product Dispense Switch Pressing and holding switch will initiate produ
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OPERATING CONTROLS (Continued) Portion Control Option The dispenser is also equipped with a portion control option. The following steps will guide you through the set up process for this option. Portion control can be set on one or all dispense heads as needed. 1. Unplug dispenser from power source. 2. Place Dispense Lockout switch in the OFF position. 3. Remove drip tray and splash panel from the front of the machine then replace the drip tray. 4. Press and hold the left most (Station 1) dispe
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OPERATING CONTROLS (Continued) Procedure to return all dispense heads back to Push and Hold mode: 1. Unplug dispenser from power source. 2. Place Dispense Lockout switch in the OFF position. 3. Remove drip tray and splash panel from the front of the machine then replace the drip tray. 4. For the JDF-2S, press and hold either dispense switch while plugging the dispenser into the power source. For the JDF-4S, press and hold two left dispense switches while plugging the dispenser into the power
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CLEANING & PREVENTIVE MAINTENANCE Daily: Rinse Procedure Tools required: 32 oz. (946 ml) minimum empty container 1. Open refrigerated compartment door and remove product containers. 2. Fill a clean container with warm water and place the container into the cabinet and press it firmly into the bottle adapter opening. 3. Close the door, place an empty container under the dispensing nozzle and press the dispense switch until clear water flows from the dispense nozzle. 4. Repeat steps 1 - 3 for al
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CLEANING (cont) Monthly: Clean Condenser Coils 1. Use a soft bristle brush to clean the build up of dirt in the condenser. NOTE: Some models include a removable filter that can be cleaned in warm soapy water. Annually: Replace Pump Tubing 39690.0000 Tube Kit JDF-2S & JDF-4S 39688.0000 Tube Assembly 1. Open dispenser door. 2. Remove all product containers and place them in a refrigerated (35-40 degrees F [1.6-4.4 degrees C]) envi- ronment. Disconnect all connections to ambient products from t
