Bunn JDF-4S User's Manual
Contents
1. Ee 7 WHIVIO EFLE Be Models with Lited Doors L 0 0 al m cci BED GRY 4 ____ J7 1 LE WHVORN sae WHIORN _ J7 2 4 LET L wuuvIO L BLK w 99 1 J9 2 J c LEFT DISPENSE RIGHT DISPENSE em J6 1 J6 3 WHI BLU 12 1 5 THERMISTOR THERMISTOR J12 3 D gt 4 Models with Mechanical Switches RIGHT DISPENSE SWITCH 9 m J11 1 sf CD D D DO Di f D D D D D x BLK RED 1 1 1 1 1 hy CONTROL BOARD 1 GRN or YEL EC 1 1 1 1 1 1 n AUXILLARY a um J11 5 J5 1 LEFT 49 DISPENSE SWITC Regulator Board J8 1 J8 2 3 1 J5 4 a 1 J2 1 J2 5 J3 1 J3 5 J4 1 J4 5 J1 1 J1 3 J5 1 5 5 4 9 6 9 9 STATIC SHIELD STATIC SHIELD STOPIPLUS DISPENSE DISPENSE STATION STATION BLK 1 PROGRAM SWITCH YEL momen DISPENSE LOCKOUT SWITCH DISPENSE gt LOCKOUT SWITCH Door Ground Chassis Chassis Ground Ground DISPENSE DISPENSE STATION STATION 120 VOLTS AC 220 230 VOLTS AC 2 WIRE SINGLE PHASE 27 44744 2 062912 COMPRESSQR ASSY nanana COMPRESSORa WHI BLU BLK gg RED BLK K1 LEFT RIGHT DISPENSE DISPENSE2. le panneau est l appareil avant de faire 00986 7000 enlev l entretien 27442 7000 2 33461 0000 33461 0001 JDF 4S 25 A WARNING Carefully read and follow all notices on the equipment and in this manual They were written for your protec Type R134A Amount 9 oz 255 gm Design Pressures High 255 psi 15 5 bar Low 36 psi 2 5 bar 44744 2 082112 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 least 150 Ibs 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 208 mm of air clearance above the dispenser Minimal clearance is required between the dispenser sides and the wall or another appliance For optimum performance do not let warm air from surrounding machines blow on the dispenser Leave some space so the dispenser can be moved for cleaning CE REQUIREMENTS his appliance must be installed in locations where it can be overseen by trained personnel For proper operation this appliance must be installed where the temperature is between 5 C to 35 C Appliance shall not be tilted more than 10 for safe operation An electrician must provide electric
3. JDF 28 SUNN Jnr4s Silver Series m 3 me pL 5 4 lt ub 47 74 4 Pace p 2 a PS A fe J 4 US 7 2 d 4 1 T T ny y a MAN BUNN 4 ORANGE LEMONADE JUICE GRAPEFRUIT ORANGE PASSION JUICE INSTALLATION 8 OPERATING GUIDE BUNN O MATIC CORPORATION m POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 ELLO PHONE 217 529 6601 FAX 217 529 6644 To ensure you have the latest revision of the Operating Manual or to view the Illustrated Parts Catalog Programming Manual or Service Manual 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 For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 44744 0002E 12 13 2012 0 Corporation BUNN O MATIC COMMERCIAL PRODUCT WARRANTY Bunn O Matic Corp BUNN warrants equipment manufactured by it as follows 1 Airpots thermal carafes decanters GPR servers iced tea coffee dispensers MCP MCA pod brewers thermal servers and Thermofresh servers mechanical and digital 1 year parts and 1 year labor 2 All other equipment 2 years parts and 1 year labor plus added warranties as specified below a Electronic circuit and or control boards parts and labor for 3 years b Compressors on refrigeration equipm
4. eterna c 2 TET 3 Initial Set Up amp Electrical Requirements 0 ccc ccccesccsseescssseeesssseeusessseeeessseeeeesseens 4 Plumbing Requirements RERO 4 PRC ETM IS sect ruote tete usted rei IM LL LL E P 4 Door Cover Installation eeeeenseeenesesnresenrrsesrrrsesrnsnrnnsrnrnnnnrnnsnnrnnnnrnnnrnnnnnrnnnnrnnnnsennnn 5 sce es E 6 6 19 15 Operating 5 8 Dispenser USO 10 Portion Control Option nennen 10 A 12 Adjustments amp Optional Settings 14 TNS ES 18 20 Coolant Diagram 26 Schematic Wiring Diagram 21 Quick Setup UNG RE 29 USER NOTICES tion All notices are to be kept in good condition Replace any unreadable or damaged labels As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must be installed with adequate backflow prevention to comply with federal state and local codes For models installed outside the U S A you must comply with the applicable Plumb ing Sanitation Code for your area HAZARDOUS VOLTAGE DISCONNECT F
5. Pump Speed Adjustment 1 Disconnect the dispenser from the power source 2 Remove the drip tray 3 Remove the two screws securing the splash panel and remove the splash panel 4 Locate the adjustment knobs on the circuit board NOTE Start with the adjustment dial in the nine o clock position 5 Turn the adjustment knobs clockwise to increase speed and counterclockwise to decrease speed NOTE If splashing occurs while dispensing reduce water flow rate Then re adjust pump speed to achieve proper ratio brix target 6 The knob positions directly correspond to dispense station locations NOTE Some 25 models have 4 adjustment knobs on the circuit board For these models use the two left most knobs to make pump speed adjustments Left most being station 71 left side dispense and left center being station 72 right side dispense 7 Reinstall the splash panel and drip tray and reconnect the dispenser to the power source 1 4 44744 2 110813 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 NOTE Loading frozen concentrate in the product cabinet may cause damage to the machine This damage is not covered by warranty 2 Thoroughly mix the thawed concentrate by vigorously shaking the product container 3 Open the dispenser door 4 Priorto placing the product container in the dispenser make sure that the o ring on the container adap
6. you must comply with the applicable Plu n to comply d state ing Sanitation Code for your pa es For models installed outside the 8 you must comply with the applicable Plumb 1 ni nitation Code for your area 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 drip tray 2 Connect the water source to the back of the dispenser 3 Pull the fill tube from the dispenser remove the plug and connect it to the dispense nozzle Fig 5 amp 6 4 Setthe Program Switch Fig 7 to the ON position On older models without program switch set the Dis pense Lockout Switch Fig 13 to the OFF position 5 Connect dispenser to the power source Press and hold the dispense button for the dispense station that the tube is connected to for 10 seconds until you hear the water valve turn on For Portion Control machines press and hold the PLUS STOP switch 6 Monitor the water bath fill level until water starts to trickle from the overflow tube Then press the dispense button again to stop the fill process NOTE The fill timer may time out before filling is complete Press and hold the dispense button for 10 seconds to start again if needed FIG 3 Initial Fill Hose JDF 25 4 Initial Fill H
7. 1 1 1 1 1 1 1 1 1 1 1 Chassis Ground Ground Tm LLTI ITNT STATION 2 1 Models with Membrane Switches ___________________ DISPENSE 1 1 SWITCH BALLAST ELT 1 i AUXILLARY BALLAST BALLAST CONTROL BOARD J11 5 STATION 1 DISPENSE SWITC STATIC SHIELD STATIC SHIELD STATIC SHIELD STATIC STATIC SHIELD POPUP eee 1 1 1 1 1 1 1 Chassis 1 Ground M 2 M mI 1 DISPENSE DISPENSE DISPENSE COLD DISPENSE 1 STATION STATION STATION WATER STATION 1 n 2 SWITCH l DISPENSE LOCKOUT Ly i 120 VOLTS AC SWITCH tle BERR RRR RRR RRR 3 10 220 230 VOLTS AC 1 1 2 WIRE m DISPENSE DISPENSE DISPENSE DISPENSE T mE mE STATION ME STATION 1 SINGLE PHASE 1 30 44744 2 030813 QUICK SETUP GUIDE 90 25 and 45 40 25 shown i i ANGE ORANG P3577 1 Install door cover by fir
8. Continue holding dispense switch s until all 4 temperature LED s Figs 15 and 16 on the circuit board start flashing slowly this takes about 5 seconds Release dispense switch s 5 Press and release any dispense switch 6 times to enter the portion control set up mode This will cause the 4 temperature LED s to flash rapidly 6 Place a container under the desired dispense nozzle to measure the portion size 7 Press and hold the desired dispense switch to dispense product until the desired amount of product is achieved Maximum dispense time is 150 seconds Repeat this on all dispense heads as desired 9 Set the Program Switch near main control board to the OFF position On older models without program switch set the Dispense Lockout Switch to the ON position 9 Place a container under the dispense nozzle s and press the dispense button to confirm that the portion size is set correctly Repeat steps 1 8 if any changes are needed 10 Replace splash panel Note The portion control dispense can be cancelled during a dispense by pressing the dispense button again Note If a portion size is not set for a dispense head while in the portion control set up mode that dispense head will remain a push and hold dispense head Push and Hold Membrane Switch Machines 1 To set single portion sizes on a push and hold membrane type dispense switch follow steps 1 10 above Portion Control Option Membrane Switch Machines Portion sizes ar
9. LEFT DISPENSE PLE CONDENSOR FAN BLU BLK SCHEMATIC WIRING DIAGRAM 40 25 Models with Flourescent Lited Doors tion TRANSFORMER TRANSFORMER auauuzad WHI WHUBLK 120V 220 230V MODELS MODELS TM pL I I i I 1 I o SENSE i Pe EMI 5 5 41 I E eel tee GRN A B A B EE lt WHI ww WHI 6 RED BLK SWITCH STATIC SHIELD STATIC SHIELD DISPENSE DISPENSE STATION 2 DISPENSE DISPENSE STATION STATION n 2 i 1 M 1 1 sane SHIELD 1 1 mtm dm a 1 1 STATION 120 VOLTS AC or 220 230 VOLTS AC 2 WIRE SINGLE PHASE 1 AUXILLARY i CONTROL BOARD 1 m lo 3 3 3 23 1 mm WHVBLU io 4 J6 3 J12 1 C200 0oU 12 3 11 1 J11 5 J5 1 Chassis Ground pispense 09 LOCKOUT switch WATER INLET 2 WATER BATH THERMISTOR THERMISTOR Models with Mechanical Switches RIGHT DISPENSE SWITCH LEFT SS 5 DISPENSE 29 SWITC 28 Chassis Ground Chassis Ground BALLAST DISPENSE LOCKOUT SWITCH al 25 ne TRANSFOR
10. Kay 5 sanitizer and clean empty concentrate container 1 Remove all concentrate from the dispenser and store in a separate refrigerated compartment 2 Fill clean empty concentrate container s with approximately 32 oz 946 ml of hot tap water approximately 140 Deg F 60 Deg C Load the containers of hot water into the dispenser just like concentrate 3 Place an empty container under the dispense nozzles 4 Press and hold the dispense button at each station until the stream out of the nozzles runs clear about 30 seconds Note the dispenser will not allow all stations to run at the same time 9 Once this is completed remove the container s and empty 6 Remove each dispense nozzle and mixing element and run under hot tap water to remove excess pulp 7 Prepare 2 5 gal 9 46 L of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2 5 gal 9 46 of 120 Deg F 48 9 Deg C water to ensure 100 ppm of available chlorine 8 Place nozzle s and mixing element s in a Separate 1 quart container of sanitizing solutions and mix thoroughly Allow the parts to soak for 2 minutes 9 Clean the dispense nozzle receptacle s dispense valves with the sanitizing solution and a soft bristle brush 10 Clean the concentrate bottle s inlet adapter s using the sanitizing solution and a soft bristle brush 11 Replace the mixing element s and nozzle s 12 Fill approximately 128 ounces 3 8 L of clean sanitizing solution
11. Then replace circuit board if needed 44744 2 062912 TROUBLESHOOTING cont PROBLEM Dispense station concentrate only Dispense station water only PROBABLE CAUSE Water solenoid Concentrate out Product pump not pumping Pump not turning 23 REMEDY Replace solenoid 24vdc or check wire connection between water valve and main control board Replace refill concentrate container or BIB 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 A Check speed setting on circuit board and increase speed turn clockwise B Check for d c power to pump motor If yes replace motor assy If no check harness for proper con tinuity Then replace circuit board If needed 44744 2 062912 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 PROBABLE CAUSE 1 Initial fill setup 2 Dispense deck 3 Water pressure greater than 100 81 1 Bath tank overflow 2 Condensation from cabinet cool ing coil Dispense nozzle mixer missing or broken Dispense solenoid 24 REMEDY some expansion normal May fill drip tray during initial ice block formation Inspect or replace fittings clamps o rings solenoids and quick dis
12. any other special incidental or consequential damages 392 A Partner You Can Count On Air Infusion AutoPOD AXIOM BrewLOGIC BrewMETER Brew Better Not Bitter Brew WISE BrewWIZARD BUNN Espress BUNN Family Gourmet BUNN Gourmet BUNN Pour O Matic BUNN BUNN with the stylized red line BUNNlink Bunn OMatic Bunn O Matic BUNNserve BUNNSERVE with the stylized wrench design Cool Froth DBC Dr Brew stylized Dr design Dual Easy Pour EasyClear EasyGard FlavorGard Gourmet Ice Gourmet Juice High Intensity iMIX Infusion Series Intellisteam My Caf Phase Brew PowerLogic Quality Beverage Equipment Worldwide Respect Earth Respect Earth with the stylized leaf and coffee cherry design Safety Fresh savemycoffee com scale Pro Silver Series Single Smart Funnel Smart Hopper SmartWAVE Soft Heat SplashGard The Mark of Quality in Beverage Equipment Worldwide ThermoFresh Titan trifecta Velocity Brew Air Brew Beverage Bar Creator Beverage Profit Calculator Brew better not bitter BUNNSource Coffee At Its Best Cyclonic Heating System Daypart Digital Brew er Control Element Milk Texturing Fusion Nothing Brews Like a BUNN Pouring Profits Signature Series Sure Tamp Tea At Best The Horizontal Red Line Ultra are either trademarks or registered trademarks of Bunn O Matic Corporation The commercial trifecta brewer housing configuration is a trademark of Bunn O Matic Corporation 2 44744 2 070913 CONTENTS
13. degrees F When the compressor should be ON 4 Cabinet Em 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 is attempted in lockout condition 000 Flashes Flashes rapidly if dispense is attempted in lookout 000 if dispense is attempted in lockout condition Open cabinet thermistor circuit will flash 4 and 5 LED s 1 time every 3 seconds Shorted cabinet thermistor will turn 4 and 5 LED s on steady This mode disables the cabinet low temperature lockout fault 5 m When cabinet temperature is below 50 degrees F Open bath thermistor circuit will flash 1 and 2 LED s 1 time every 3 seconds The compressor will not run under this condition FIG 19JDF4S 5 19 44744 2 110813 TROUBLESHOOTING Atroubleshooting 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 e Inspection testing and repair of electrical equipment should be performed only by qualified service personnel e All electronic components have 120 240 volt ac and low voltage dc potential on their terminals Shorting of terminals or the application of external voltages may
14. result in board failure e intermittent operation of electronic circuit boards is unlikely Board failure will normally be permanent If an intermittent condition is encountered the cause will likely be a switch contact or a loose connection at a terminal or crimp Solenoid removal requires interrupting the water supply to the valve Damage may result if solenoids are energized for more than ten minutes without a supply of water e The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help to avoid twists and kinks in the tubing e certain that all plumbing connections are sealed and electrical connections tight and isolated WARNING PROBLEM Cold Water Circulation Dispense stations not working Note Cooling failure or excessive cabinet temperatures for more than 4 hours will result in dispense lockout or no dispense Note Reset fault timer by unplug ging unit Dispense nozzle dripping won t stop dispensing Exercise extreme caution when servicing electrical equipment Unplug the dispenser when servicing except when electrical tests are specified Follow recommended service procedures Replace all protective shields or safety notices PROBABLE CAUSE 1 Cabinet cooling fan 2 Bath recirculation pump 3 Restricted water flow to cabinet water coil and bath 1 Juice residue causing oring on dispense nozzle to lose vacuum 2 Mechanical Switch Mod
15. under the dispense nozzle Press and hold the Product Dispense Switch until the cup is filled the contents of the cup and use the refractometer according to the manufacturer s instructions to check the brix Adjust the pump speed down to decrease the brix 9o up to increase the brix 9o to achieve the correct brix 9o as described in Pump Speed Adjustment Optional Cold Water Flow Adjustment some dispensers are equipped with an optional cold water dispense valve It is recommended to adjust the flow rate upon initial set up of the dispenser The adjustment for the cold water can be located inside the dispenser behind the right service panel The cold water dispense valve is mounted to the frame just above the ice bath Attached to this valve is a needle type adjustment valve Turn the adjustment clockwise to decrease the water flow and counter clockwise to increase the water flow 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 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 NOTE This switch will also operate the door lights on models equipped with this feature 17 44744 2 082112 FUNCTION LIST Circuit Board LED Indicators JDF 2S Early Mod
16. 3095 0000 under the appropriate dispense nozzle Place the Program switch in the ON position 2 Pressand release the desired Product Dispense Switch three times On Portion Control models use the plus stop switches 3 The selected position will dispense water no concentrate only for 3 seconds 4 Measure the water dispensed Suggested target is 3 ounces 1 ounce per second flow rate CR 9 Adjust the water flow rate Fig 17 clockwise to increase flow rate counterclockwise mE 5 to decrease flow rate to the corresponding product mix ratio Chart below provides general brix instructions water concentrate 2 1 3 0 fl oz 89 ml om 3 01 oz 89 ml Grapefruit Juice 10 6 3 second test ______ a 4 1 5 1 12 0 Fruit Punch BENE 13 0 341 through 744 3 second test High Viscosity Juice 3 0 fl oz 89 ml As Required 3 second test Maximum flow rate may be less depending on the water pressure supply at each location Note Information for specific products listed in this table is to be used for reference only Consult the product label for exact mix ratio and or brix See product label for target brix 6 Repeat steps 1 through 5 as necessary until the correct water flow rate is achieved 7 Repeatsteps 1 through 5 for the remaining dispense positions 8 Place the Program switch back into the OFF position
17. 40 6400 5 33 5 00 4 80 4 67 4 57 4 50 4 44 4 40 4 36 4 33 3 second water dispense Ratio in milliliters 4 9 1 555 552 518 807 499 493 488 484 481 518 77 6 69 0 64 7 62 1 60 4 59 1 58 2 57 5 96 5 56 1 59 88 7 78 9 73 9 71 0 69 0 67 6 66 5 65 7 65 1 64 5 641 66 5 398 88 7 82 78 6 77 6 76 0 74 9 73 9 73 2 72 6 721 73 9 110 9 98 6 92 4 88 7 86 3 84 5 83 2 82 1 81 3 80 7 80 1 422 0 108 41 101 7 976 942 429 15 904 895 87 881 88 133 1 118 3 110 9 106 5 103 5 101 4 99 8 98 6 97 6 96 8 96 1 96 1 144 2 128 1 120 1 115 3 112 1 109 8 108 1 106 8 105 7 104 8 1041 155 3 138 0 129 4 124 2 120 8 118 3 116 4 115 0 113 9 112 9 112 1 110 9 166 4 147 9 138 6 133 1 129 4 126 7 124 8 123 2 122 0 121 0 120 1 1183 177 4 157 7 147 9 141 9 138 0 135 2 133 1 131 4 130 1 129 0 128 1 16 44744 2 110813 ADJUSTMENT amp OPTIONAL SETTINGS cont Temperature Compensated Refractometer Method 1 2 3 Adjust the water flow as described in Water Flow Testing and Adjustment Place an empty container under the appropriate dispense nozzle Press and hold the Product Dispense Switch Figs 9 amp 10 until water and concentrate begin flowing freely from the dispense nozzle Discard the product caught previously and place the empty container back
18. F ANY OTHER WARRANTY WRITTEN OR ORAL EX PRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The agents dealers or employees of BUNN are not authorized to make modifications to this warranty or to make additional warranties that are binding on BUNN Accordingly statements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the warranty BUNN at its exclusive op tion while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and labor warranty periods specified above to repair the defective components provided that this repair is done by a BUNN Authorized Service Representative or 2 shall replace the equipment or refund the purchase price for the equipment THE BUYER S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS EQUIPMENT WHETHER DERIVED FROM WARRANTY OR OTHERWISE SHALL BE LIMITED AT BUNN S 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
19. MER C BALLAST 44744 2 030813 SCHEMATIC WIRING DIAGRAM 45 Models with LED Lited Doors SHIELD SHIELD SHIELD SHIELD SHIELD 120V 220 230V MODELS MODELS 1 I 1 LN GRN LIN I m I 1 1 12 2 1 1 12 aay 1 I 15 I 1 1 1 FILTER 1 I veel I A B TRANSFORMER BEEBE BEES uamuumud TRANSFORMER ES COMPRESSOR BLU BLK_ HERM COLD WATER WHI BLK o S WI E b e WHI REFRIGERATION CONDENSOR FAN SWITCH BLU BLK RED BLK RED BLK BLK mu m RED BLKI z STATION 1 STATION 2 DISPENSE DISPENSE GRN BED ORN E h 1 1 s 3 1 BED RED 1 1 5 ZBK 1 E A 1 2 1 P4 E STATION 1 STATION 2 AMI DISPENSE DISPENSE WHI OR C 262 0 12 1 T 1 WATER BATH R THERMISTOR STATION 3 STATION 4 0 DISPENSE DISPENSE i 1 1 1 C een eres 1 11 Models with Mechanical Switches COLD WATER 0 DISPENSE I A SWITCH 1 1 1 44 ii BLUE BLK T STATION 4 T DISPE
20. Mechanical Switch Machines Pressing and holding switch will initiate product flow from the respective nozzle releasing the switch will stop the flow ORANGE JUICE GRAPE JUICE FRUIT PUNCH ORANGE LEMONADE JUICE FIG 9 Product Dispense Switches 25 FIG 10 Product Dispense Switches JDF 4S 8 44744 2 110813 OPERATING CONTROLS Continued Product Dispense Switch Membrane Switch Machines A Product Dispense Switch Momentarily pressing and releasing one of the switches will initiate a timed dispense Each station has three different timed dispenses which are preset at the factory Refer to DISPENSER USE section for preset volumes and adjustment procedures B Plus Stop Switch This switch can be used to top off a beverage Pressing and holding switch will initiate product flow from the respective nozzle releasing the switch will stop the flow Momentarily pressing this switch during a timed dispense will stop the flow C Chilled Water Dispense Switch Optional 45 only Pressing and holding switch will initiate chilled water flow from the nozzle releasing the switch will stop flow P Me PT 3 tre Ag 2 _ i i FRENCH M t NM NO i VANILLA LATTE E GRAPEFRUIT ORANGE JUICE JUICE APPLE JUICE LEMONADE j ETE 11 Product Dispense
21. NSE i STATION 3 STATION 4 T ii i DISPENSE DISPENSE P xi ORN i da a hae 1 J6 1 3 STATION 3 J15 4 DISPENSE 16 3 i 5 NE BLK J12 3 t pou Models with Membrane Switches 0 0 7 55555550 1 26 1 HEN 11 1 SWITCH AUXILLARY 1 REDI Set n CONTROL BOARD Lu 1 RED COVELL ibl m li 5 5 52 i Regulator no ET S 5 2 22 oI i STATION 1 Board I 5 bo x 5 5 1 DISPENSE 1 T 5 2 a 4 JE i SWITCH J E 1 Bun 1 STATIC STATIC STATIC STATIC STATIC 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 34 1 1 DISPENSE DISPENSE 7 eRe TU STATION STATION STATION WATER STATION 1 1 n SWITCH n 1 1 PUSH BUTTON OPTION 1 l 5 T PUSHBUTTONOPTION _________________ _______ ___ ___ ___ ___ _ _ _ _ ___ DI EO UI 1 pu te PROGRAM 1 1 BRN BRN i SWITCH ne EE T GRN GRN 1 STATIC 1 PE 1 i DISPENSE DISPENSE Chassis Door LOCKOUT LOCKOUT Chassis Ground Ground 1 STATION STATION STATION WATER DON i SWITCH mere SWITCH Ground ea a yee 2 SWITCH n ee
22. ROM POWER SOURCE 00656 0001 BEFORE REMOVING DO NOT OVERLOAD CIRCUIT NE PAS SURCHARGER LE CIRCUIT ALWAYS ELECTRICALLY GROUND THE CHASSIS TOUJOURS METTRE LE BOITIER LA MASSE DO NOT DEFORM PLUG OR CORD NE PAS D FORMER LA FICHE OU LE CORDON FOLLOW NATIONAL AND LOCAL SE CONFORMER AUX CODES NATIONAL OU LOCAL Moving Parts Risk Of Electrical Shock D LECTRICIT KEEP COMBUSTIBLES AWAY GARDER LES PRODUITS COMBUSTIBLES DISTANCE Do not operate Disconnect power before nit with thi ici it FAILURE TO COMPLY RISKS EQUIPMENT TOUT MANQUEMENT SE CONFORMER CES DIRECTIVES PEUT u 5 servicing unit ENTRAINER DES DOMMAGES L QUIPMENT OU PRODUIRE DES panel removed DAMAGE FIRE OR SHOCK HAZARD DANGERS D INCENDIE OU D LECTROCUTION READ THE ENTIRE OPERATING MANUAL INCLUDING VEUILLEZ LIRE LE MANUEL DE FONCTIONEMENT THE LIMIT OF WARRANTY AND LIABILITY BEFORE EN zilici bret zi BUYING OR USING THIS PRODUCT OU D UTILISER LE PR SENT PRODUIT THIS EQUIPMENT IS ENERGIZED AT ALL TIMES UNLESS L QUIPEMENT EST TOUJOURS SOUS TENSION Pi ces amovibles Risk de choc lectrique ELECTRICALLY DISCONNECTED LORSQU IL N EST PAS DEBRANCHE Ne pas utiliser Debrancher le cordon 00986 7000A 10 07 2007 Bunn O Matic Corporation l appareil lorsque d alimentation de 12559 0003 Type R134A Amount 10 oz 283 gm Design Pressures High 335 psi 23 bar 2 31 MPa Low 88 psi 6 bar 0 61 MPa
23. Switches 25 12 Product Dispense Switches JDF 4S Dispense Lockout Switch par mA ERO This switch is located at the bottom front of the dis penser just behind the drip tray It is used to turn ON OFF the Dispensing function It is also used for some programming and fill procedures 13 Dispense Lockout Switch COMPRESSOR WATER BATH PUMP Program Switch This switch is located near the main control board next to the refrigeration switch 14 Program Switch 9 44744 2 110813 OPERATING CONTROLS Continued DISPENSER USE Press and Hold Dispensing 1 Place a on the drip tray beneath the desired dispensing nozzle 2 Press and hold the Product Dispense switch until the beverage reaches the desired level then release Portion Control Option Mechanical Switch Machines 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 Set the Program Switch near main control board to the ON position On older models without program switch set the Dispense Lockout Switch to 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 dispense switch while plugging the dispenser into the power source
24. a a 2 120 VOLTS AC 220 230 VOLTS AC 2 WIRE SINGLE PHASE 20 44744 2 062912 SCHEMATIC WIRING DIAGRAM 45 Models with Flourescent Lited Doors 120V 220 230V MODELS MODELS m o Lc m i 1 1 GEN 1 N TIGNINI i pia TE S FILTER 1 1 ill TRANSFORME A B A B br mz v COMPRESSOR ASS n BLU BLK MT THER COLD WATER WHI g WHI BLK VALVE i WH H WHI REFRIGERATION CONDENSOR FAN SWITCH BLU BLK gg RED BLK RED BLK WATER INLET RED BLH mE WH RED RED PP opum Em STATION 1 STATION 2 DISPENSE DISPENSE RN BLK WHI DISPENSE LOCKOUT SWITCH RECTIFIER CABINET STATION 1 STATION 2 THERMISTOR DISPENSE DISPENSE WATER BATH Chassis round STATION 3 STATION 4 THERMISTOR DISPENSE DISPENSE TRANSFORMER Models with Mechanical Switches COLD WATER DISPENSE gt 1 ual Ballast 0008 Single Ballast STATION 4 DISPENSE gua STATION 3 STATION 4 DISPENSE DISPENSE STATION 3 DISPENSE SWITC 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Chassis m m m 1 1 1 1 1 1
25. al service as specified in conformance with all local and national codes his appliance must not be cleaned by water jet his appliance is not intended for use by persons including children with reduced physical sensory or mental capabili ties or lack of experience and knowledge unless they have been given instructions concerning use of this appliance by a person responsible for its safety Children should be supervised to ensure they do not play with the appliance the power cord is ever damaged it must be replaced by the manufacturer or authorized service personnel with a special cord available from the manufacturer or its authorized service personnel in order to avoid a hazard Machine must not be immersed for cleaning ELECTRICAL REQUIREMENTS CAUTION The dispenser must be disconnected from the power source until specified in Electrical Hook Up The 120V rated dispensers have an attached cord set and require a 2 wire grounded individual branch circuit rated 120 volts ac 15 amp single phase 60Hz The mating connector must be a NEMA 5 15R The 220 230V rated dispenser has an attached cord set and requires an attachment plug cap rated at least 230 volts ac 15 amp The attachment plug cap must meet with applicable national local electrical codes Refer to the data plate for exact electrical requirements ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components 1 electr
26. cabinet Pull the dispense platform s completely out of the cabinet and place it on a flat work surface Close the dispenser door Remove the 4 screws securing the pump head Gently pull the pump head apart Gently pull the pump tube from around the pump s rotor Release the clamps securing the old pump tubing to the plastic elbows Pull the plastic elbows from the old pump tubing and discard the old pump tubing Insert the plastic elbows into the new pump tubing and secure it with the clamps Gently wrap the new pump tubing around the pump s rotor Reassemble the pump housing onto the platform assembly Repeat steps 10 through 17 for the remaining pump s Replace the dispense platform s into the refrigerated cabinet making sure to reconnect all electrical and water connections Replace the dispense platform cover Turn power on to dispenser Install containers of rinse water run each station and check for leaks Repair leaks as necessary Replace product shelf and product containers Reconnect any connections to ambient product containers Prime the pumps as described in PRIMING in the Initial Fill Section 1 3 44744 2 110813 ADJUSTMENT OPTIONAL SETTINGS Water Flow Testing and Adjustment NOTE Purge all dispense stations to remove air from water line before making initial adjustments 1 Place a graduated measuring cup or the large chamber of the empty brixing cup BUNN O MATIC part number 3
27. con nect fittings NOTE Dispense deck area slopes to drain tube that leads to the drip tray Install water pressure regulator and reduce to 50 psi A Check all internal water connec tions B Check internal plumbing con nections Check for routing of condensation tube to water bath Replace mixer Replace dispense deck solenoid 44744 2 062912 TROUBLESHOOTING PROBLEM Unit is not working Difficulty brixing and or weak bev erage Difficulty brixing and or weak bev erage Difficulty brixing bag in box 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 Dispense valve adjustment set ting 5 Brix ratio 1 Pump tubing 2 Use of portable water pump Vacuum leak 25 REMEDY Checkfor 120 24 or 230 24 vac If no 24vac reading replace step down transformer If 24 vac present and no lit replace control board Thorough thaw of product before use 35 407 Maintain 20 psi or higher and a minimum flow rate of 3 fl oz sec Over 100 psi install a pressure regulator and set to 50 psi A Perform 3 second water dispense test Factory setting is 1 0 oz sec Acceptable water flow rate is 0 8 to 1 5 oz sec depending on the mix ratio 4 1 B Adjust water to proper mix ratio Once water is set adjust motor speed to achieve brix 9 Checkfor proper b
28. e preset but can be adjusted by following these steps below 1 Set the Program Switch near main control board to the ON position On older models without program switch set the Dispense Lockout Switch to the OFF position 2 Press and hold the large and medium buttons on the left most Station 71 dispense station until you hear the machine beep three times 3 Place a measuring container under the station to be adjusted then press and hold the apprpriate dispense switch until the desired amount is dispensed The machine will record the amount of time that the button is pressed continously If the button is released too soon simply empty the container and start over 4 Repeat step 3 for all stations as desired 5 Turn the program switch to the OFF position 10 44744 2 110813 OPERATING CONTROLS Continued Procedure to return all dispense heads back to Push and Hold mode Mechanical Switch Machines 1 2 3 4 Se Unplug dispenser from power source Place Program switch in the ON position Remove drip tray and splash panel from the front of the machine then replace the drip tray For the JDF 25 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 source Continue holding dispense switch s until all 4 temperature LED s on the circuit board start flashing Slowly this tak
29. eference on each dispense head Suggested target is 3 ounces 2 Placethe Program switch in the ON position 3 Place a measuring container under the dispense nozzle press and release the DISPENSE button 6 times NOTE For best results discard the first sample and measure a second sample Repeat the same practice after every adjustment 4 Record the total ounces dispensed 5 Refer to the Brix Ratio chart below to confirm proper total dispensed amount for ratio desired and water output previously recorded 6 Toincrease or decrease the product output refer to Pump Speed Adjustment section Placethe Program switch back into the OFF position 3 second water dispense 11 2 1 4 1 in ounces 9 1 5 Mis 206 200 108 120 175 4 71 199 167 165 1 63 1 75 2 63 2 33 2 19 2 10 2 04 2 00 1 97 1 94 1 93 1 91 1 90 20 3 00 2 67 2 50 2 40 2 33 2 29 2 25 2 22 2 20 2 17 2 25 3 38 3 00 2 81 2 70 2 63 2 57 2 53 2 50 2 48 2 45 2 44 25 9 5 3 33 3 13 3 00 2 92 2 86 2 81 2 78 2 75 215 443 3 7 3 4 3 30 3 21 314 3 09 3 06 3 03 3 00 2 98 9 0 4 50 4 00 3 75 3 60 3 50 3 43 3 38 3 33 3 30 3 27 3 25 305 4 88 4 33 4 06 3 90 3 79 3 71 3 66 3 61 3 58 3 55 3 52 9 5 5 5 4 67 4 38 4 20 4 08 4 00 3 94 3 89 3 85 3 82 3 79 9 76 5 63 5 00 4 69 4 50 4 38 4 29 4 22 4 17 4 13 4 09 4 06
30. els When the compressor should be ON 2 Cabinet 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 3 seconds shorted cabinet thermistor will turn 2 and 3 LED s on steady This mode disables the cabinet low temperature lockout fault 3 Cabinet When cabinet temperature is below 50 degrees 4 Bath When bath temperature is above 34 degrees 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 18 25 P3585 Early Models 1 8 44744 2 110813 FUNCTION LIST Continued Circuit Board LED Indicators JDF AS and Late Model 25 When bath temperature is above 34 degrees Flashes slowly when compressor is in a 6 minute delay period 1 Bath shorted bath thermistor circuit will flash 1 and 2 LED s 2 times every 3 seconds The compressor will not run under this condition 2 Bath When bath temperature is below 34
31. els This may be caused by juice residue splashed or wiped onto switches 3 Membrane Switch Models 20 REMEDY Replace fan 24vdc Note Fan receives power when the dispenser is powered A If not running check refrigera tion switch and wiring for proper continuity B Check for 120V or 230V AC at pump Replace pump Check for kinked hose A Remove dispense nozzle Clean nozzles and oring in mild detergent solution B Use soft bristle brush and mild detergent solutionto clean dispense valve area that dispense nozzles are seated Clean or replace switches Check continuity of dispense switches Replace as needed 44744 2 121913 TROUBLESHOOTING cont PROBLEM Refrigeration Dispense stations not working Note Cooling failure or excessive bath and cabinet temperatures for more than 4 hours will result in dispense lockout or no dispense Dispenser Locked Out Dispense stations not working Cooling system failure PROBABLE CAUSE 1 Compressor ON OFF switch 2 Dirty condenser filter or fins 3 Condenser fan not running 4 Compressor relay not activat ing 5 Compressor not running 6 Compressor running and not cooling 1 Check Dispense Lockout switch 1 Refrigeration or cold water recir culation system 21 REMEDY Check for ON position or no con tinuity replace switch Clean filter and fins or replace con denser filter Filter not supplied on s
32. ent 5 years parts and 1 year labor c Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis parts and labor for 4 years or 40 000 pounds of coffee whichever comes first These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the applicable warranty period This warranty does not apply to any equipment component or part that was not manufactured by BUNN or that in BUNN s judgment has been affected by misuse neglect alteration improper installation or operation improper maintenance or repair non periodic cleaning and descaling equipment failures related to poor water quality damage or casualty In addition the warranty does not apply to replacement of items subject to normal use including but not limited to user replaceable parts such as seals and gaskets This warranty is conditioned on the Buyer 1 giving BUNN prompt notice of any claim to be made under this warranty by telephone at 217 529 6601 or by writing to Post Office Box 3227 Springfield Illinois 62708 3227 2 if requested by BUNN shipping the defective equipment prepaid to an authorized BUNN service location and 3 receiving prior authorization from BUNN that the defective equipment is under warranty THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU O
33. es about 5 seconds Release dispense switch s Press and release any dispense switch three times Place Program switch back into the OFF position Replace splash panel and drip tray Place a container under each dispense nozzle and press dispense buttons to confirm machine is operating in push and hold mode 15 Temperature LEDs 25 16 Temperature LEDs JDF 4S Early Models P3845 FIG 15A Temperature LEDs JDF 2S Late Models 11 44744 2 062912 CLEANING 8 PREVENTIVE MAINTENANCE Daily Rinse Procedure Tools required 32 oz 946 ml minimum empty container 1 Open dispenser door Lift up on product containers and remove them from the machine 2 Close the door place an empty container under the dispensing nozzle 3 Dispense from each station until clear water flows from the dispense nozzle 4 Open dispenser door and reconnect all product containers Daily Parts Washing 1 Remove and wash the dispense nozzle s drip tray and drip tray cover in a mild detergent solution Rinse thoroughly Use brush 00674 0000 to clean inside and oring area on dispense nozzles 2 Wipe splash panel areas around dispense nozzle s and refrigerated compartment with a clean damp cloth 3 Use brush and a mild detergent solution to clean inside dispense area where dispense nozzles are removed Rinse Sanitize Process for Semi Automatic and Manual Tools required 1 empty 5 gallon 18 9 L bucket 2 packets of
34. ician must provide electrical service as specified Using a voltmeter check the voltage and color coding of each conductor at the electrical source Confirm that the refrigeration switch near the main control board is in the OFF position Connect the dispenser to the power source If plumbing is to be hooked up later be sure the dispenser is disconnected from the power source If plumbing has been hooked up the dispenser is ready for nitial Fill PLUMBING REQUIREMENTS This dispenser must be connected to a COLD WATER 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 A shut off valve should be installed in the line before the dispenser Install a regulator in the line when pressure 15 greater than 100 psi 690 kPa to reduce it to 50 psi 345 kPa The regulator is also necessary if the water source has pressure fluxuations The main water inlet is a 3 8 9 52 mm MFL connection 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 The size and shape of the hole s made
35. in the supply line s by saddle valves may restrict water flow a directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must be installed with adequate backflow prevention to comply with federal state and local codes For models installed outside the U S A you must comply with the applicable Plumbing Sanitation Code for your area 4 44744 2 062912 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 JDE2S JDF 4S 2 On Portion Control models connect membrane 3 Install door cover switches to Door Circuit Board VAJ 7 4 3578 90 46 Shown 4 Secure the door cover using 5 screws provided JDF 2S 45 5 44744 2 110813 PLUMBING HOOKUP The plumbing connection is located on the rear of the dispenser A 3 9 9 52 mm male flare adapter fitting is supplied installed on the rear of the dispenser NOTE Water pipe connections and fixtures directly connected to a potable water supply shall be sized installed and maintained in accordance with federal state and local codes re 4 am 2 v mw Bit cae um my 1 are 416 uy 2 avave NEY ou U SA
36. into clean empty concentrate container s Do not use the sanitizing solution used in step 10 Load the container s into the dispenser 13 Place the empty 5 gallon bucket under the dispense nozzles For Semi Automatic Sanitizing Prior to S N JDF0016500 14 For the JDF 25 press and hold both dispense buttons for about 10 seconds to initiate the sanitize cycle b For the JDF 4S press and hold three left most dispense buttons Stations 1 2 and 3 for about 10 seconds to initiate the sanitize cycle The cycle will start with only one of the dispense stations dispensing Note The cycle will consist ofa 1 minute dispense time alternating on each station then 5 minutes of soak time then a 2 minute dispense time alternating on each station For Semi Automatic Sanitizing Effective S N JDF0016500 and up 14 Turn the Program Switch in the bottom of the machine to the position For the JDF 25 press the left dispense button 2 times then press the right dispense button 2 times b For the 45 press the left most station 1 dispense button 2 times then the left center station 2 button 2 times The cycle will start with only one of the dispense stations dispensing Note The cycle will consist of a 1 minute dispense time alternating on each station then 5 minutes of soak time then a 2 minute dispense time alternating on each station For Manual Sanitizing 14 a Dispense each station for 1 minute b Allow to soak fo
37. ome machines A Check for 120V or 230V AC Re place fan motor or check fan blades for obstructions B Check compressor LED on circuit board If ON relay coil should have power 120 or 230 VAC Check compressor relay coil for 120 or 230vac NOTE Always check power with coil attached If compressor LED is ON and no 120 or 230vac re place board If yes 120 or 230vac replace relay Note Relay contacts are normally open Check compressor thermal overload N C If open check for dirty con denser filter or adequate ventilation and space around machine Check refrigeration system for leaks and proper charge A Set switch to ON position B Check switch and harness for proper continuity Check all previous items that pre tain to refrigeration or cold water recirculation 44744 2 062912 TROUBLESHOOTING cont PROBLEM Dispense station not working All stations dispense concentrate only PROBABLE CAUSE 1 Dispense Lockout switch set to OFF position 2 Dispense switch failed Main water supply Frozen bath Inlet water valve failed 22 REMEDY Place switch in ON position Check switch and harness for proper continuity Check for ON position A Compressor relay contacts shorted replace relay B Recirculating pump replace or check for kinked flex line A Check for 120V or 230V power when dispensing If yes replace valve If no check harness for proper continuity
38. ose 45 6 44744 2 110813 INITIAL FILL Continued a 8 10 17 Itwill take several hours to create the ice bank required for full dispenser performance During this time some Turn ON the refrigeration switch near the main control board Fig 7 This will start the water bath pump circulation Check water level in the overflow tube and top off the tank if necessary Step 5 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 set the Program Switch near main control board to the OFF position On older models without program switch set the Dispense Lockout Switch to the ON position Replace the splash panel and drip tray further trickling from the water bath is expected due to expansion caused by ice bank formation While the refrigeration system is creating the ice bank the dispenser may be readied for use as described in Loading Priming and Adjustment FIG 5 Initial Fill Connection JDF 28 FIG 6 Initial Fill Connection JDF 4S 7 44744 2 110813 OPERATING CONTROLS Refrigeration Switch The refrigeration switch is located on the Electrical Panel of the dispenser near the Circuit Board This switch controls power to the water bath pump and relay contacts for the compressor and condenser fan motor _ COMPRESSOR WATER BATH PUMP FIG 7 Refrigeration Switch Product Dispense Switch
39. r 5 minutes C Dispense each station for 2 minutes NOTE On Portion Control models use the plus stop switches 15 When the above cycle is complete Remove the sanitizing solution and replace with concentrate 16 At each station press and hold the dispense switch until product appears Then dispense one 12 ounce 354 9 ml glass of finished product and discard 17 Wipe internal and external surfaces with a clean damp cloth 1 2 44744 2 121913 CLEANING cont Monthly Clean Condenser Coils and Filter 1 2 Annually Check water level in ice bath Top off if needed Annually Replace Pump Tubing 20 21 22 23 24 Removable filter can be cleaned in warm soapy water Use a soft bristle brush to clean the build up of dirt in the condenser 39690 0000 Tube Kit 25 8 45 39688 0000 Tube Assembly Open dispenser door 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 the bottle adapter Rinse all dispense stations using steps outlined in DAILY RINSE PROCEDURE Disconnect dispenser from power source Remove the dispense platform cover Disconnect the dispense platform water line s from the supply line inside the refrigerated cabinet and dis connect the wiring connection s from the cabinet receptacle s Remove the mounting screw s securing the dispense platform s to the
40. rix ratio per prod uct using Total Dispense method and or refractometer method Inspect clean or replace tubing and pump rotor rollers for ease of rotation A Follow plumbing requirements for pressure and flow rate B Source another portable pump or water supply that meets require ments Inspect all lines and connections from bag in box connector to bottle adapter assembly 44744 2 062912 COOLANT SCHEMATIC DIAGRAM EVAPORATOR PROCESS TUBE Re COMPRESSOR SUCTION ACCUMULATOR TAN TN aN SYS ONT CONDENSER SCHEMATIC WIRING DIAGRAM 25 Models with LED Lited Doors 120V 220 230V MODELS MODELS cee eres 1 i GND LIN a l ao 1 I 4c I am 1 i ry L aa I Models with Dual Dispense QPO 1 E 4 TRANSFORMER 4 5 4 BLU GRN A B zl dz EE Tron SE BLU P T eee WHVBLU _____________ PU EM BLUBLKa COMPRESSORs E OTOR LIMIT WHI CONDENSOR FAN WHI _WHI BLK 7 BLU BLK CG WHI WHI BLU BLK yy RED BLK RED BLK Wes LI REFRIGERATION WATER INLET D RED BLK SWITCH LEFT RIGHT DISPENSE DISPENSE vio RED D ORN GRN
41. st plugging the door harness connector into the machine harness connector located at the bottom i P3579 3 Secure the door cover using 5 screws provided P3578 COMPRESSOR WATER BATH PUMP 4 Place refrigeration switch in the OFF po 5 Connect water supply to machine See 6 Connect power supply to machine See sition Plumbing Requirements Electrical Requirements T COMPRESSOR _ P3582 P3589 7 Install bath tank fill tube over a nozzleas 8 Place the program switch in the ON po 9 Hold the dispense switch until water be shown See Initial Fill sition gins to flow into the tank approx 10 sec onds When tank is full water will begin pour out of the overflow tube Press the dispense button to stop the flow of water COMPRESSOR WATER BATH PUMP 12 Proceed to page 7 in the Operating and P3591 Installation manual for calibration instruc tions and charts 10 Place the refrigeration switch in the 11 Insert juice containers as shown ON position and the program switch in the OFF position 31 44744 2 062912
42. ter is lubricated This will ease removal of the container when it becomes necessary 9 Place the product container in the desired position and press it firmly into the bottle adapter opening 6 Open the vent hole in the product container Note Concentrate in the container must be completely thawed and be within the temperature range of 35 40 degrees F 1 6 4 4 degrees C Product outside of this temperature range especially below will produce an out of brix drink Ambient Concentrates Optional 1 Install an Ambient Concentrate Conversion Kit BUNN O MATIC part number 33699 0002 per the instruc tions provided in the kit 2 Attach the concentrate product hose to the appropriate concentrate line located at the rear of the dispenser 3 Attach the other end of the product hose to the product container through an appropriate fitting PRIMING 1 Open the dispenser door 2 Load concentrate per instructions in section titled Loading 3 Close the dispenser door 4 Place a large container under the appropriate dispense nozzle Press and hold the Product Dispense Switch Fig 5 until concentrate dispenses from the dispense nozzle Note This may take several seconds depending on the installation and set pump speed 1 5 44744 2 110813 ADJUSTMENT amp 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 r
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