Bunn JDF-2N Installation And Operating Manual Download

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38310 010406

J3-1

J3-2

J1-1

J1-5

J1-10

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/BLK

WHI/BLK

BLU/WHI
BLK/WHI

RED/BLK

RED/WHI

ORN

GRN

BLU

BLU/BLK

BLK

RED

WHI

GRN/WH

GRN/BLK

ORN/BLK

WHI/BLK

BLU/WHI

BLK/WHI

RED/BLK

RED/WHI

ORN

GRN

BLU

BLU/BLK

BLK

REFILL

ATER

1 SMAL

1 MEDIUM

1 LARGE

1 STOP/+

LOCKSWITCH

ATER

REFILL

2 SMAL

2 MEDIUM

2 STOP/+

2 LARGE

PROGRA

COOLING

SANITIZE

RINS

SWITCH UNIT ASSEMBLY

(Portion Control Models)

SWITCH UNIT ASSEMBLY

(Push Button Control models)

SHEILD

REFILL

ATER

DISPENSE

LOCKSWITCH

PROGRA

REFILL

ATER

COOLING

RINSE

SANITIZE

DISPENSE

SHIELD

To Switch Unit Assembly

SCHEMATIC WIRING DIAGRAM

JDF-2 CONTROL PANEL CIRCUIT

Summary of Contents for JDF-2N

Page 1: ...rated 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 38310 0000F 03 08 2005 Bunn O Matic Corporation www bunn com DISCONTINUED VERSION The i...

Page 2: ...cordingly 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 p...

Page 3: ...ion 3 User Notices 3 Initial Set Up Electrical Requirements 4 Plumbing Requirements 4 CE Requirements 4 Operating Controls 7 Initial Fill 5 Dispenser Use 9 Cleaning 10 Adjustments Optional Settings 13 Function Lists 18 Troubleshooting 21 Coolant Diagram 28 Schematic Wiring Diagram 29 12559 0003 This equipment must be installed to comply with the International Plumbing Code of the International Cod...

Page 4: ...rom surrounding machines blow on the JDF 2 Leave some space so the dispenser can be moved 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 connect...

Page 5: ... source throughout the initial fill except when specified in the instructions 1 Remove drip tray assembly and splash panel from the dispenser 2 Pull the overflow tube from its retaining clip and connect it to the main water source black gasket is supplied in install kit 3 Connect dispenser to the power source 4 Slowly open the water shut off valve and fill the water bath until water trickles from ...

Page 6: ...ruc tions provided in the kit 2 Attach the concentrate product hose to the appropriate concentrate line located at the rear of the dispens er 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 NOTE The dispenser will not operate ...

Page 7: ...r to the compressor and the condenser fan motor Sanitize Switch The sanitize switch is located behind the drip tray in the lower left corner of the chassis The drip tray can be removed 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 instr...

Page 8: ...e dispenser program mode C Lock Switch This switch is used to lockout the dispensing capabilities 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 preset volumes and adjustment procedures E Plus Stop Switch This switch ca...

Page 9: ...size switch to dispense the beverage The dispenser is factory preset to produce the approximate beverage sizes as follows Small 4 0 seconds approximately 7 fl oz 207 ml Medium 6 9 seconds approximately 12 fl oz 355 ml Large 9 1 seconds approximately 16 fl oz 473 ml The dispense times can be individually programmed by following the procedures described in ADJUST MENT Cup Size Programming To stop a ...

Page 10: ...e dispense nozzle s mixing element s drip tray and drip tray cover 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 gallon 1...

Page 11: ...itizer 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 san...

Page 12: ...tacle 10 Pull the dispense platform completely out of the cabinet and place it on a flat work surface 11 Close the dispenser door 12 Remove the 4 screws securing the pump body to the pump mount 13 Gently pull the pump tube from around the pump s rotor 14 Release the clamp securing the old pump tubing to the plastic elbow 15 Pull the plastic elbow from the old pump tubing and discard the old pump t...

Page 13: ...pensers with Press and Hold Feature Press and hold the Product Dispense Switch until the cup is filled Dispensers with Portion Control Feature Press and hold the Stop Switch until the cup is filled 6 Stir the contents of the cup and use the refractometer according to the manufacturer s instructions to check the brix 7 Adjust the pump speed down to decrease the brix up to increase the brix to achie...

Page 14: ...is period 4 At the end of the 5 second period the selected position will dispense water no concentrate for only 3 seconds 5 Measure the water dispensed 6 Adjust the water flow rate Fig 8 clockwise to increase flow rate counterclockwise to decrease flow rate to the corresponding product mix ratio as follows Mix Ratio Adjust water flow rate to Product Brix water concentrate 2 1 3 75 fluid ounces 111...

Page 15: ...L indicator and a single tone from the beeper 4 Repeat as necessary at the remaining dispense stations 5 Exit the Pump Speed Programming mode by simultaneously pressing both Hidden Switches Note that the beeper sounds twice and that the PROGRAM indicator extinguishes NOTE Dispense at least 12 oz of finished product before dispensing a sample to check brix This will allow the pump time to adjust to...

Page 16: ...enable the dispenser proceed as follows a Press and hold either Hidden Switch b In a 5 second period press and release the Lock Switch the password number of times For example If the password is set to 3 press and release the Lock 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 t...

Page 17: ...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 Release the Hidden Switch d Wait for the password to be confirmed by the flashing of the Water indicators e Enter the desired program mode or ...

Page 18: ...be 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 tempera...

Page 19: ...e 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 38310 062205 ...

Page 20: ...Station 3 Small 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 T...

Page 21: ...ing fittings are 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 specifie...

Page 22: ...hat pre tain to 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 ...

Page 23: ...ly electrical 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 Di...

Page 24: ... for variable 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 secon...

Page 25: ...ill drip tray 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...

Page 26: ...onmaincontrolboard 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 o...

Page 27: ...clean or replace 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 as...

Page 28: ...28 COOLANT SCHEMATIC DIAGRAM CONDENSER SUCTION ACCUMULATOR COMPRESSOR EVAPORATOR PROCESS TUBE FILTER DRYER 38310 010406 ...

Page 29: ...N WHI VIO VIO ORN RED GRY WHI VIO WHI ORN PUMP 1 PUMP 2 BLK FAN P R O B E t t WHI BLK GRY GRY WHI PNK CABINET THERMISTOR WATER BATH THERMISTOR GRN RED BLK GRN RED BLK 1 REFILL SENSOR 2 REFILL SENSOR VIO RED BLK WHI WHI WHI GRN 1 4 FLUORESCENT LAMP BALLAST BLK BLK WHI RED WHI GRN WHI GRN BLK ORN BLK WHI BLK BLU WHI BLK WHI RED BLK RED WHI ORN GRN BLU BLU BLK BLK ON OFF WHI WHI WHI GRY BLK 120 VOLTS...

Page 30: ...HI VIO GRY WHI ORN RED RED ORN VIO ORN RED RED GRY WHI VIO WHI VIO VIO ORN GRY GRN BLK BLK WHI VIO WHI ORN WHI ORN WHI ORN RED BLK RED BLK VIO ORN VIO ORN VIO ORN RED GRY BLU YEL WHI ORN WHI VIO WHI ORN WHI VIO VIO ORN RED GRY WHI VIO WHI ORN PUMP 1 PUMP 2 GRN RED BLK GRN RED BLK 1 REFILL SENSOR 2 REFILL SENSOR DISPENSE RINSE DISPENSE RINSE 1 1 WHI ORN WHI VIO GRY GRY RED RED 1 1 WHI ORN SPEED SEN...

Page 31: ...K ORN BLK WHI BLK BLU WHI BLK WHI RED BLK RED WHI ORN GRN BLU BLU BLK BLK 1 16 REFILL 1 WATER 1 1 SMALL 1 MEDIUM 1 LARGE 1 STOP LOCKSWITCH WATER 2 REFILL 2 2 SMALL 2 MEDIUM 2 STOP 2 LARGE PROGRAM COOLING SANITIZE RINSE SWITCH UNIT ASSEMBLY Portion Control Models SWITCH UNIT ASSEMBLY Push Button Control models SHEILD REFILL 1 WATER 1 DISPENSE 1 LOCKSWITCH PROGRAM REFILL 2 WATER 2 COOLING RINSE SANI...

Page 32: ... WHI BLK RED RED VIO GRY BEEPER SANITIZE SWITCH MOTOR CONDENSOR FAN BLK BRN BLK BLU BLK BLU BLK BLK GRY PNK WHI BLK WHI PNK GRY 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 WHI ON OFF WHI WHI WHI GRY BLK BLU BLK GRN 1 1 1 BLK BLK BLK WHI GRN YEL 1 10 1 1 6 GRY WHI PNK OPTIONAL K1 K1 1...

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