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JDF-2S
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 Buun-O-Matic Corporation at 1-800-286-6070 to obtain a paper
copy of the required Illustrated Parts Catalog mailed via U.S. Postal Ser vice.
38945.00
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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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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). The JDF-2S is designed for indoor use only. Set the dispenser on the counter where it will be used. The JDF-2S 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
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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 2. Install door cover. P3578 3. Secure the door cover using 5 screws provided. P3579 38945 031406 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. P3580-1 FIG 1 Plumbing Connections INITIAL FILL CAUTION: The dispenser must be disconnected from the power source throughout the initial fill except when speci- fied in the instructions. 1. Remove drip tray assembly and splash panel from the dispenser. Replace the drip tray. 2. Connect the water source to the bac
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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. P3580-1 FIG 4 Refrigeration Switch P3583 P3612 FIG 6 FIG 5 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 This switch is loc
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OPERATING CONTROLS (Continued) Portion Control Option The JDF-2S 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 either dispense switch w
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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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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. 38945 050106 14
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FUNCTION LIST Circuit Board LED Indicators 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 time every
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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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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dispense station not working 1. Dispense Lockout switch set to Place switch in ON position. OFF position. 2. Dispense switch failed Check switch and harness for proper continuity. All stations dispense concentrate Main water supply Check for ON position. only Frozen bath A) Compressor relay/contacts shorted - replace relay. B) Recirculating pump - replace or check for kinked flex line. Inlet water valve failed A) Check for 120V or 230V po
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dispense station Water solenoid Replace solenoid (24vdc) or check concentrate only wire connection between water valve and main control board. Dispense station Concentrate out Replace refill concentrate container water only or BIB Product pump not pumping Check for proper counterclockwise rotation of pump rollers. If coun- terclockwise, replace pump tubing. If clockwise, wire connection to pump is reversed. Switch wires on terminals. P
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TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Water leak filling drip tray or around 1. Initial fill/setup Some expansion normal. May fill dispense deck area drip tray during initial ice block formation 2. Dispense deck Inspect or replace fittings clamps, o-rings, solenoids and quick discon- nect fittings. NOTE: Dispense deck area slopes to drain tube that leads to the drip tray. 3. Water pressure greater than Install water pressure regulator and 100psi reduce to 50 psi. Water leak
