Instruction/ maintenance manual of the product S/N 0005473 & UP Bunn
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JDF-4 S/N 0005473 & UP ! W A RN I N G DO NOT OV E RLOAD CIRCUI T. ALWAYS ELECTR ICALLY GRO U ND THE CHA SSIS OR ADAPTO R PLUG. DO NOT DE FORM PLU G O R CORD. FOLLOW NA TIONAL AND L OCAL ELECTR ICAL CO DES. KEEP C OMB USTIBLES A WAY. FAILUR E TO CO M PLY RISK S E QU IPME NT DAM AG E, F IR E O R SH OC K HAZAR D.
2 38218.1 020608 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years.
3 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. 27442.0000 00986.0002 33461.0000 CHARGE T ype R134A, Amount 10 oz (283 gm) Design Pressures: High 335 psi (23 bar) (2.
4 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 the dispenser on a sturdy counter or shelf able to support at least 230 lbs. (104.3 kg). The JDF-4 is designed for indoor use only .
5 PLUMBING REQUIREMENTS This dispenser must be connected to a COLD WA TER system with operating pressure between 20 and 100 psi (138 and 690 kPa). This water source must be capable of producing a minimum flow rate of 3 fluid ounces (88.7 milliliters) per second.
6 OPERA TING CONTROLS FIG 2 Refrigeration Switch FIG 3 Sanitize Switch & Water V alves A. Sanitize Switch B. Water Bath V alve C. Main Water V alve (Early Models) C P2262.60 P2479 A B Refrigeration Switch The refrigeration switch is located on the top of the dispenser near the left rear corner .
7 OPERA TING 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 .
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.
9 INITIAL FILL (cont) Ambient Concentrates (Optional) 1. Install an Ambient Concentrate Conversion Kit (BUNN-O-MA TIC 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.
10 CLEANING & PREVENTIVE MAINTENANCE General Cleaning and Sanitizing Procedures Note: The Bunn Juice Dispenser incorporates a rinse reminder feature which lights the rinse led on the front panel when it is time to rinse. See dip switch function list to activate this feature.
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.
12 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 T ubing CLEANING (cont) 38218.1 012207 NOTE: High volume applications may require tubing changes every 6 months.
13 ADJUSTMENT & OPTIONAL SETTINGS T otal Dispense Ratio Set Up Procedure 1. Adjust water flow as described in W ater Flow T esting and Adjustment . Record water output setting for later reference on each dispense head. 2. Enter program mode by simultaneously pressing both hidden switches.
14 4. At the end of the 5 second period, the selected position will dispense water (no concentrate) for only 3 sec- onds. 5. Measure the water dispensed. 6. Adjust the water flow rate Fig 7, (clockwise to increase flow rate; counterclockwise to decrease flow rate) to the corresponding product mix ratio as follows: 7.
15 3. T o decrease the pump speed, press and hold the left-hand “Hidden Switch” (half-filled cir cle) and then mo- mentarily press the “Product Dispense Switch (“+/STOP Switch” for portion control dispensers). Each time the “Product Dispense” (“+/STOP”) Switch is pressed, the motor speed is decreased by one step (5 RPM.
16 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.
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.
18 Dispense Fault List “REFILL” indicator Beeper Fault 2 flashes 2 beeps Dispense station locked out. 3 flashes 3 beeps DISPENSE/RINSE sensing fault. 4 flashes 4 beeps DISPENSE/RINSE knob mis-positioned. 5 flashes 5 beeps Pump motor stalled/speed sensor inoperative.
19 Dip Switch Function List Dip Switch Controls Off On 1 “REFILL” indicator when “concentrate out” is detected. Inactive Active 2 Lockout dispense components when “concentrate out” is detected. Inactive Active ( Note ) 3 Number of positions that can dispense/rinse simultaneously .
20 Function # 0 1 2 3 4 101 102 103 104 7 8 9 10 11 12 13 14 15 16 17 18 27 28 29 30 31 32 33 34 50 51 52 53 54 55 75 76 77 78 99 100 Description Enter Password Set Pump 1 RPM (Concentrate A) Set Pump.
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 T echnical Ser vice Department.
22 TROUBLESHOOTING (cont.) Check for "ON" position or no con- tinuity - replace switch. Clean or replace condenser filter . Replace fan motor or check fan blades for obstructions. Check compressor relay coil for 120vac. NOTE: Always check power with coil attached.
23 TROUBLESHOOTING (cont.) 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 1.
24 TROUBLESHOOTING (cont.) Dispense station concentrate only Dispense station water only Dispense starts then stops or "refill" flashes and beeps 5 times. Replace solenoid (24vdc) or check wire connection between water valve and main control board.
25 TROUBLESHOOTING (cont.) 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 1. Initial fill/setup 2. Dispense deck 3. Water pressure greater than 100psi 1.
26 TROUBLESHOOTING (cont.) Unit is not working and no beep/light fault codes Difficulty brixing and/or weak bev- erage 1. Step-down transformer . 2. Main control board. 1. Product viscosity or too cold. 2. Low water pressure. 3. High water pressure. 4.
27 Difficulty brixing and/or weak bev- erage Difficulty brixing bag-in-box 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 Inspect, clean, or replace tubing and pump rotor/rollers for ease of rotation.
28 COOLANT SCHEMA TIC DIAGRAM CONDENSER SUCTION ACCUMULA TO R COMPRESSOR EV APORA TO R PROCESS TUBE FIL TER DRYER 38218.1 030306.
29 J3-1 J3-2 J1-1 J1-5 J1-10 C O N T R O L P C B O A R D J1-18 J7-1 J7-5 J7-10 J7-16 J8-1 J8-8 J6-1 J6-6 J6-12 RIGHT LAMP ASSY . LEFT LAMP ASSY . GRN GRN GRN BLU BRN/BLK RED/BLK RED/BLK GRY WHI BLK LIMIT THERMOST AT K2 K2 COM P.
30 J3-1 J3-2 J1-1 J1-5 J1-10 C O N T R O L P C B O A R D J1-18 J7-1 J7-5 J7-10 J7-16 J8-1 J8-8 J6-1 J6-6 J6-12 SOL SOL #4 DISPENSE SOL ICE WA TER DISPENSE TA N RED/BLK RED/BLK RED/BLK WHI/YEL WHI/BLU .
31 J3-1 J3-2 J1-1 J1-5 J1-10 C O N T R O L P C B O A R D J1-18 J7-1 J7-5 J7-10 J7-16 J8-1 J8-8 J6-1 J6-6 J6-12 J5-1 J5-5 J5-10 J5-15 J5-19 J4-1 J4-5 J4-10 J4-14 J9-1 J9-6 RED WHI GRN/WHI GRN/BLK ORN/B.
32 J3-1 J3-2 J1-1 J1-5 J1-10 C O N T R O L P C B O A R D J1-18 J7-1 J7-5 J7-10 J7-16 J8-1 J8-8 J6-1 J6-6 J6-12 RIGHT LAMP ASSY . LEFT LAMP ASSY . GRN 120V MODELS GRN GRN N AB AB AB L1 BLU BRN/BLK RED/BLK RED/BLK RED/BLK GRY WHI BLK LIMIT THERMOST AT K2 K2 COMP .
An important point after buying a device Bunn S/N 0005473 & UP (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bunn S/N 0005473 & UP yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bunn S/N 0005473 & UP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn S/N 0005473 & UP you will learn all the available features of the product, as well as information on its operation. The information that you get Bunn S/N 0005473 & UP will certainly help you make a decision on the purchase.
If you already are a holder of Bunn S/N 0005473 & UP, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bunn S/N 0005473 & UP.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn S/N 0005473 & UP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn S/N 0005473 & UP along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center