Bunn JDF-4, Installation And Operating Manual

Page 1: ...revision of the manual or to obtain the illustrated parts catalog 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 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 38218 0001D 02 08 2006 Bunn O Matic Corpo...

Page 2: ...ccordingly 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 option 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 ...

Page 3: ...or hot water connection Use Bunn O Matic tubing part number 32759 10XX for all connections See Illustrated Parts Catalog for complete part number Clamp all hose connections with Bunn O Matic part number 21275 0003 hose clamp 34054 0000A 10 01 2001 BUNN O MATIC CORPORATION NOTES Alternate Connection When Hot Water source is not available Hot Water Rinse Connection RINSE WATER CONNECTION RINSE WATER...

Page 4: ...pplicable national local electrical codes ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components 1 An electrician must provide electrical service as specified 2 Using a voltmeter check the voltage and color coding of each conductor at the electrical source 3 Connect the dispenser to the power source 4 If plumbing is to be hooked up later be sure the dispenser...

Page 5: ...saddle valves may restrict water flow NOTE On early models dispensers without water inlet valve a water strainer Bunn O Matic part number 23720 1000 should be installed in line prior to the flexible water line This strainer is supplied loose with the dispenser NOTE Water pipe connections and fixtures directly connected to a potable water supply shall be sized installed and maintained in accordance...

Page 6: ...n the lowerleftcornerofthechassis Thedriptraycanberemoved to provide easy access to the switch The sanitize switch is used to enter and exit the sanitize mode and to initiate the sanitize automatic cycle Refer to Weekly Sanitizing in the Cleaning section for detailed instructions on the use of this switch Water Bath Valve This valve is manually operated and located above the drip tray behind the s...

Page 7: ...hilled water flow from the nozzle releasing the switch will stop the flow C Hidden Switch These switches are used to access change and exit the dispenser program mode D 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 prese...

Page 8: ...y rotating the handle of the Water Bath Valve coun terclockwise to the 8 o clock position 10 Again when the water in the water bath sight gauge begins to trickle down into the drip tray turn the Water Bath Valve off by rotating the handle clockwise to the 9 o clock position 11 Place the Refrigeration Switch ON forward 12 It will take approximately 4 hours at 70 degrees F 21 degrees C ambient to cr...

Page 9: ...pending on the installation and programmed pump speed 38218 1 030306 DISPENSER USE Press and Hold Models Refer to Fig 4 1 Place a cup on the drip tray beneath the desired dispensing nozzle 2 Press and hold the Product Dispense or Chilled Water switch until the beverage water reaches the desired level then release Portion Control Models Refer to Fig 5 1 Place a cup on the drip tray beneath the desi...

Page 10: ...ense nozzle s mixing element s drip tray drip tray cover and cup stop in a mild detergent solution Rinse thoroughly 2 Wipe splash panel areas around dispense nozzle s and drip trough in refrigerated compartment with a clean damp cloth Weekly Sanitizing Tools required Nozzle tubing BUNN O MATIC part number 03289 1002 recommended when sanitizing multiple dispense heads simultaneously 1 empty 5 gallo...

Page 11: ...tizer into 2 5 gal 9 46 L of 120 F 48 9 C water to ensure 100 ppm of available chlorine 11 Placenozzle s andmixingelement s inaseparate1quartcontainerofsanitizingsolutionandmixthoroughly Allow the part to soak for 2 minutes 12 Clean the dispense nozzle receptacle s dispense valves with the sanitizing solution and a soft bristle brush 13 Clean the concentrate bottle s inlet adapter s using the sani...

Page 12: ...ear wiring harness connector 12 Disconnect the rear wiring harness connector from its receptacle 13 Pull the dispense platform completely out of the cabinet and place it on a flat work surface 14 Close the dispenser door 15 Remove the 4 screws securing the pump body to the pump mount 16 Gently pull the pump tube from around the pump s rotor 17 Release the clamp securing the old pump tubing to the ...

Page 13: ... 3 79 3 71 3 66 3 61 3 58 3 55 3 52 3 50 3 48 3 47 3 5 5 25 4 67 4 38 4 20 4 08 4 00 3 94 3 89 3 85 3 82 3 79 3 77 3 75 3 73 3 75 5 63 5 00 4 69 4 50 4 38 4 29 4 22 4 17 4 13 4 09 4 06 4 04 4 02 4 00 4 0 6 00 5 33 5 00 4 80 4 67 4 57 4 50 4 44 4 40 4 36 4 33 4 31 4 29 4 27 4 25 6 38 5 67 5 31 5 10 4 96 4 86 4 78 4 72 4 68 4 64 4 60 4 58 4 55 4 53 4 5 6 75 6 00 5 63 5 40 5 25 5 14 5 06 5 00 4 95 4 ...

Page 14: ... tone from the beeper ADJUSTMENT OPTIONAL SETTINGS cont FIG 7 Adjusting Water Flow Using 1 4 allen wrench Mix Ratio Adjust water flow rate to Product Brix water concentrate 2 1 3 75 fl oz 111 ml Prune Juice 16 0 per 3 second test Other Orange Juice 11 8 4 1 Pineapple Juice 12 8 Cranberry Fruit Cocktail 14 0 4 0 fl oz 118 ml Grapefruit Juice 10 6 per 3 second test Lemonade 5 1 Apple Juice 12 0 Frui...

Page 15: ...sconnect any optional ambient concentrate hoses Remove product shelf from dispenser 7 AdjusttheChilledWaterFlowValveFig8 clockwisetodecrease flow rate counterclockwise to increase flow rate 8 Repeat steps 3 through 6 as necessary until the desired water flow rate is achieved 9 Exit the Pump Speed Programming mode by simultaneously pressing both Hidden Switches Note that the beeper sounds twice and...

Page 16: ...word number of times For example If the password is set to 3 press and release the Chilled Water Switch 3 times in the 5 second period c Release the Hidden Switch d At the end of the 5 second period the dispenser will light the merchandising lamp and dispense func tions will be enabled 6 If the password is forgotten it can be reset to 0 dispenser lockout disabled as follows Note The following proc...

Page 17: ...int forward the password must be entered before access is allowed to programming modes or the service lockout function 3 To enter the password proceed as follows a Press and hold either Hidden Switch b In a 5 second period press and release the Sanitize Switch the password number of times For example If the password is set to 3 press and release the Sanitize Switch 3 times in the 5 second period c...

Page 18: ...e short circuit 2 5 seconds 6 6 flashes every fault 6 Bath temperature probe open circuit 3 5 seconds 5 5 flashes every fault 5 Cabinet temperature probe short circuit 4 5 seconds 4 4 flashes every fault 4 Cabinet temperature probe open circuit 5 5 seconds 3 3 flashes every fault 3 Cooling system failure 6 5 seconds disables all dispense functions 0 On steady Bath cabinet Bath and cabinet temperat...

Page 19: ... components when concentrate out is detected Inactive Active Note 3 Number of positions that can dispense rinse simultaneously 3 2 4 Rinse timer Off On 5 Audio feedback during dispenses On Off 6 Future use None None Note When dip switch 2 is in the on position the REFILL indicator is active regardless of dip switch 1 position 38218 1 030306 ...

Page 20: ...l Cup Dispense Time seconds Station 4 Large Cup Dispense Time seconds Station 4 Medium Cup Dispense Time seconds Station 4 Small Cup Dispense Time seconds Display Station 1 Refill ADC Set Station 1 Refill Threshold Display Station 2 Refill ADC Set Station 2 Refill Threshold Display Station 3 Refill ADC Set Station 3 Refill Threshold Display Station 4 Refill ADC Set Station 4 Refill Threshold Displ...

Page 21: ...re tightened or loosened This will help to avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and electrical connections tight and isolated This brewer is heated at all times Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Unplug the brewer when servicing except when electrical tests are specified Follow recom...

Page 22: ...o refrigeration or cold water recirculation 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 Dispenser lockout password set 1 Refrigeration or cold water recir culation system Refrigeration All dispense stations not working or all water refill LED s flash and be...

Page 23: ...insulating compound or replace defective switch membrane Check knob for mis position or re place defective switch membrane Check for proper orientation of the Dispense Rinse membrane switch Hint Good bottle adapter switch membrane will sound the beeper when you rotate the knob between dispenseandrinsetoindicateclosed position Refill product or turn OFF concen trate lockout feature Dipswitch 2 See ...

Page 24: ...dc voltage when corresponding dispense switch is depressed No dc power replace control board Check for variable dc voltage at motor terminals Voltage present replace motor A Verify magnet hub is secured with screw and star washer to mo tor shaft B Verify RPM sensor operation RPM input 24vdc signal 0 5 vdc intervals Water solenoid In rinse position NOTE Water will dispense for 4 seconds Main contro...

Page 25: ...during initial ice block formation Inspect or replace fittings clamps o rings solenoidsandquickdiscon nect fittings NOTE Dispense deck area slopes to drain tube that leads to the drip tray Installwaterpressureregulatorand reduce to 50 psi A Bath fill valve check for closed position or replace leaking valve B Check all internal water connec tions Check for routing of condensation tube to drip tray ...

Page 26: ...oard is powered from the step down transformer 24 vac and rectified to 24 vdc by the rectifier Thorough thaw of product before use 35 40 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 Perform3secondwaterdispense test Factory setting is 1 0 oz sec Acceptable water flow rate is 0 8 to 1 5 oz sec depending on the mix rati...

Page 27: ...ce tubing and pump rotor rollers for ease of rotation Replace bottle adapter assembly 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 Vacuum leak test bottle adapter assembly Repairvacuumleakorreplacebottle adapter assembly TROUBLE...

Page 28: ...28 COOLANT SCHEMATIC DIAGRAM CONDENSER SUCTION ACCUMULATOR COMPRESSOR EVAPORATOR PROCESS TUBE FILTER DRYER 38218 1 030306 ...

Page 29: ... RED BLU GRY YEL WHI VIO WHI ORN WHI BLU WHI YEL PUMP 1 PUMP 2 PUMP 3 PUMP 4 BLK FAN P R O B E t t WHI BLK GRY GRY WHI PNK CABINET THERMISTOR WATER BATH THERMISTOR WHI YEL GRY GRY GRY GRY ORN WHI BLU VIO YEL WHI VIO WHI ORN 1 REFILL SENSOR 2 REFILL SENSOR 3 REFILL SENSOR 4 REFILL SENSOR VIO RED BLK WHI WHI WHI GRN 1 4 FLUORESCENT LAMP BALLAST BLK BLK RED RED WHI RED WHI GRN WHI GRN BLK ORN BLK WHI...

Page 30: ...BLU WHI YEL VIO ORN BLU YEL WHI VIO WHI ORN WHI BLU WHI YEL TAN RED BLK VIO ORN BLU YEL BLU WHI VIO WHI ORN WHI BLU WHI YEL TAN RED BLK VIO YEL ORN BLU VIO ORN BLU YEL VIO ORN WHI BLU RED BLU GRY YEL WHI VIO WHI ORN WHI ORN WHI BLU WHI YEL WHI YEL WHI VIO WHI BLU WHI ORN WHI YEL WHI VIO VIO ORN RED BLU GRY YEL WHI VIO WHI ORN WHI BLU WHI YEL PUMP 1 PUMP 2 PUMP 3 PUMP 4 WHI YEL GRY GRY GRY GRY ORN ...

Page 31: ...TER 1 1 SMALL 1 MEDIUM 1 LARGE 1 STOP ICE WATER WATER 2 REFILL 2 2 SMALL 2 MEDIUM 2 STOP 2 LARGE PROGRAM COOLING SANITIZE RINSE 3 SMALL REFILL 3 WATER 3 3 MEDIUM 3 LARGE 3 STOP 4 SMALL REFILL 4 WATER 4 4 MEDIUM 4 LARGE 4 STOP SWITCH UNIT ASSEMBLY Portion Control Models SWITCH UNIT ASSEMBLY Push Button Control models SHEILD REFILL 1 WATER 1 DISPENSE 1 ICE WATER PROGRAM REFILL 2 WATER 2 COOLING RINS...

Page 32: ...N BRN BLK BLK BLU BLK BRN BLK BLU BLK ICE BANK CONTROL BLU BLK BLK GRY DOOR SWITCH GRY PNK WHI BLK WHI PNK GRY GRY GRN FAN P R O B E t t WHI BLK GRY GRY WHI PNK CABINET THERMISTOR WATER BATH THERMISTOR VIO RED BLK WHI WHI WHI GRN 1 4 FLUORESCENT LAMP BALLAST BLK BLK RED RED WHI ON OFF WHI WHI WHI GRY BLK BLU BLK GRN 1 1 1 BLK BLK BLK WHI GRN GRN YEL 1 GRN 10 1 1 6 GRY WHI PNK OPTIONAL K1 K1 ELECTR...