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WITH SMART FUNNEL

SERVICE & REPAIR MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

BrewWISE

DBC

BREWERS

Содержание BrewWise DBC

Страница 1: ...FUNNEL SERVICE REPAIR MANUAL BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 41746 0000D 04 10 2008 Bunn O Matic Corporation BrewWISE...

Страница 2: ...ts 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 l...

Страница 3: ...vice Tools 15 Component Access 19 Control Board 19 Membrane Switch 20 Dispense and Bypass Valves 21 Refill Valves 22 Tank Heaters 24 Temperature Probe 25 Limit Thermostats 25 Warmer Elements 26 Master...

Страница 4: ...upply of water The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help avoid twists and kinks in the tubing Make certain that all plumbing connection...

Страница 5: ...was started Positionthefunnelsothatthesensor isdirectlybeneaththesensorcoilon the brewer Disable the FUNNEL DETECT func tion a Wait for the brewer to heat to the proper temperature b Disable the BREW...

Страница 6: ...oard Thermistor failure To resume brewing correctly position the Soft Heat Server and press BREW again The brew cycle resumes from the point it was inter rupted OR Press ON OFFtoterminatethebrew cycle...

Страница 7: ...ng connection 1 Temperature Sensor Probe wire s shorted to housing or to each other Check water supply shut off Service required See REFILL VALVE Service required See CONTROL BOARD Check wire and conn...

Страница 8: ...0 Check plumbing and shut off valves Test the ON OFF switch Refer to the switch test procedures in SERVICE TOOLS section Test the BREW switch Refer to the switch test procedures in SERVICE TOOLS secti...

Страница 9: ...for extremewaterconditions verypure low conductance water requires a higher setting while high mineral content high conductance water requires a lower setting Note that the left number changes from a...

Страница 10: ...ouching the refill probe to a low value when waterIStouchingtheprobe Forbest operation the right number should be set to a value midway between these low and high numbers Before changingthesetting con...

Страница 11: ...er Connect a voltmeter across one of the tank heaters Reapply power to the brewer and refer to Testing Individual Components If the full supply voltage is measured when the tank heater is turned on an...

Страница 12: ...Individual Components Turn the valve on for 30 seconds and collect thewaterdispensedfromthespray head Repeat the test several times to confirm a consistent volume of dispensed water If not consistent...

Страница 13: ...f ground coffee in the funnel The BUNN paper filter should be centered in the funnel and the bed of ground coffee leveled by gentle shaking Empty the server remove its cover and place the server benea...

Страница 14: ...ion or pulse brew Contact Bunn O Matic for sugges tions The nut on back of the solenoid must be tight or it will vibrate during operation Plumbinglinesshouldnotberesting on the counter top A The brewe...

Страница 15: ...press ON If the brew valve is functional water should run from the brewer left side on DUAL brewers 8 Press OFF to end flow of water 9 Press NEXT to advance to the next component to be tested NOTE To...

Страница 16: ...EXT OFF FUNNEL LOCK ON NEXT OFF SINGLE BREWERS DUAL BREWERS LEFT SERVER ON NEXT OFF SERVER ON NEXT OFF RIGHT SERVER ON NEXT OFF EXIT TO NEXT FUNCTION SCREEN TEST SWITCHES NO YES NOTHING PRESSED PRESS...

Страница 17: ...this manner 9 After all switches have been tested press and re lease the right hidden switch This will return to TEST SWITCHES Press and release switch again to advance to TEST SERVERS Another altern...

Страница 18: ...til the display reads TEST FREQUENCY 7 Press and release YES The display will show the frequency of the sensor coil circuits This is for diagnostic service use when troubleshooting this circuit 8 Afte...

Страница 19: ...d 1 Insert one meter lead in J11 pin 12 and the other lead in J11 pin 14 2 With the power connected to brewer the voltage reading to the board should be the line voltage rated for that model If no vol...

Страница 20: ...commons in this circuit pins 2 11 12 Disconnect brewer from power source before discon necting ribbon cable from control board Removal and Replacement 1 Disconnecttheribboncablefrom20 pinconnector on...

Страница 21: ...20VAC all the time Set the meter to DC volts The indication should be 170VDC when activated If the polarity of meter leads are reversed reading will indicate 170VDC Double these readings for 240 volt...

Страница 22: ...G 6 REFILL VALVE DUAL TF DBC Early Models COMPONENT ACCESS cont REFILL VALVE FIG 7 REFILL VALVE DUAL TF DBC Late Models FIG 4 REFILL VALVE DUAL SH DBC Models FIG 5 REFILL VALVE SINGLE SH DBC Models 41...

Страница 23: ...r the refill valve for a clicking sound as the magnetic coil pulls the plunger in Ifthesoundisheardasdescribedandwaterwillnot pass through the refill valve there may be a blockage in the water line be...

Страница 24: ...the tank heater termi nals 4 Checkresistancevalueacrosstankheaterterminals and compare to chart If resistance is present as described reconnect the wires the tank heater is ok If resistance is not pr...

Страница 25: ...tank lid assembly Test Procedures 1 Disconnect the brewer from the power source 2 With a DC voltmeter check voltage across the blackandwhitewiresatJ2oncontrolboard Black voltmeter probe to black wire...

Страница 26: ...wer to the power source The indication must be 120 volts ac 3 Disconnect the brewer from the power source If voltage is present as described proceed to 4 If voltage is not present as described refer t...

Страница 27: ...ews Fig 14 securing bottom cover to server remove bottom cover from server Refer to the Timer Setting Tag Fig 15 to deter mine the desired timer setting number Using a small flat blade screwdriver set...

Страница 28: ...EL TAN WHI WHI VIO GRY WHI GRN VIO White Strip Tac Plus Black Ink Finished Size 7 0 x 8 5 78 Reduction SWITCH UNIT ASSY SHIELD FUNNEL SENSOR CONTROL PC BOARD WATER LEVEL PROBE TEMP PROBE VIO WHI VIO W...

Страница 29: ...THERMAL SAFETY FUSE THERMAL SAFETY FUSE RED RED RED RED RED RESETTABLE FUSE BLK SCHEMATIC WIRING DIAGRAM SINGLE SH DBC W SMART FUNNEL L2 L1 RED RED EMI FILTER GRN YEL BLK BLK Touch Switch Assembly Cod...

Страница 30: ...THERMAL SAFETY FUSE THERMAL SAFETY FUSE RED RED RED RED RED RESETTABLE FUSE BLK SCHEMATIC WIRING DIAGRAM SINGLE SH DBC W SMART FUNNEL L2 L1 RED RED EMI FILTER GRN YEL BLK BLK Touch Switch Assembly Co...

Страница 31: ...FUNNEL DBC MT2 SERVER TRANSFORMER B L K BRN BLK BRN WHI BLK YEL TAN WHI WHI VIO GRY WHI GRN VIO SWITCH UNIT ASSY SHIELD FUNNEL SENSOR CONTROL PC BOARD WATER LEVEL PROBE TEMP PROBE VIO WHI VIO WHI PNK...

Страница 32: ...ack Ink Finished Size 7 x 9 75 Reduction SWITCH UNIT ASSY SHIELD FUNNEL SENSOR CONTROL PC BOARD WATER LEVEL PROBE TEMP PROBE VIO WHI VIO WHI PNK BLK BLK GRN WHI RED Touch Switch Assembly Codes A1 Brew...

Страница 33: ...RED RED RED BLK SCHEMATIC WIRING DIAGRAM SINGLE SH DBC W SMART FUNNEL Touch Switch Assembly Codes A1 Brew A2 On Off B1 Hidden Left B2 Hidden Right C1 Large Batch C2 Medium Batch C3 Small Batch D1 Digi...

Страница 34: ...876 0000D 01 07 2001 BUNN O MATIC CORPORATION 120 208 OR 120 240 VOLT A C GND SINGLE PHASE GRN N L1 BLK 14 RED 14 RED 14 RED 14 RED 14 RED 14 BLK 14 BLK 14 MODELS WITH MAIN ON OFF SWITCH ONLY WHI WHI...

Страница 35: ...TTABLE FUSE 24VDC LEFT SERVER TRANSFORMER RIGHT SERVER TRANSFORMER RECTIFIER AC AC 4 AMP RECTIFIER 24VDC CONTROL PC BOARD RIGHT FUNNEL SENSOR LEFT FUNNEL SENSOR VIO WHI VIO WHI YEL YEL J9 1 J9 5 J2 1...

Страница 36: ...USE 24VDC LEFT SERVER TRANSFORMER RIGHT SERVER TRANSFORMER RECTIFIER AC AC 4 AMP RECTIFIER 24VDC CONTROL PC BOARD RIGHT FUNNEL SENSOR LEFT FUNNEL SENSOR VIO WHI VIO WHI YEL YEL J9 1 J9 5 J2 1 J2 5 J2...

Страница 37: ...SHIELD FUNNEL SENSOR TANK LID ASSEMBLY CONTROL PC BOARD WATER LEVEL PROBE TEMP PROBE VIO WHI VIO WHI PNK BLK GRN WHI VIO WARMER WHI WHI BLK WHI VIO RED 14 TANK HEATER 2 VOLTAGE SELECTOR SWITCH 120V On...

Страница 38: ...19 29876 0004B 01 07 2004 BUNN O MATIC CORPORATION 120 208 OR 120 240 VOLT A C GND SINGLE PHASE WHI VIO WHI RED RT WARMER LT WARMER WHI WHI WHI WHI WHI WHI WHI WHI R FUNNEL LOCK L FUNNEL LOCK OPTIONA...

Страница 39: ...ROBE RED RED N C OVERFLOW PROTECTION SWITCH CONTROL PC BOARD SWITCH UNIT ASSEMBLY Switch Unit Assembly Codes A1 Brew A2 On Off B1 Hidden Left B2 Hidden Right C1 Large Batch C2 Medium Batch C3 Small Ba...

Страница 40: ...RMOSTAT FUNNEL SENSOR WHI VIO VIO WHI PNK BLK GRN TEMP PROBE WATER LEVEL PROBE RED RED N C OVERFLOW PROTECTION SWITCH CONTROL PC BOARD SWITCH UNIT ASSEMBLY Switch Unit Assembly Codes A1 Brew A2 On Off...

Страница 41: ...NNEL SENSOR WHI VIO VIO WHI PNK BLK GRN TEMP PROBE WATER LEVEL PROBE RED RED N C OVERFLOW PROTECTION SWITCH CONTROL PC BOARD SWITCH UNIT ASSEMBLY Switch Unit Assembly Codes A1 Brew A2 On Off B1 Hidden...

Страница 42: ...ER LEVEL PROBE RED RED N C OVERFLOW PROTECTION SWITCH CONTROL PC BOARD SWITCH UNIT ASSEMBLY Switch Unit Assembly Codes A1 Brew A2 On Off B1 Hidden Left B2 Hidden Right C1 Large Batch C2 Medium Batch C...

Страница 43: ...Button LED s L1 Large Batch LED L2 Medium Batch LED L3 Small Batch LED L4 On Off LED RED RED SCHEMATIC WIRING DIAGRAM SINGLE TF DBC CE 3 PHASE W NEUTRAL TANK HEATER 2 TANK HEATER 1 BLK BLK 14 RED RED...

Страница 44: ...U 14 SHIELD 1 J4 1 J4 5 J4 10 J4 15 J4 19 J11 1 J11 5 CONTROL PC BOARD J11 10 J11 18 J9 1 J9 1 J9 5 J2 1 J2 5 J2 10 WHI PNK BLK GRN TEMP PROBE A1 Left Brew C3 Left Small Batch A2 Left On Off C4 Right...

Страница 45: ...VEL PROBE TEMP PROBE WHI VIO WHI YEL WHI WHI BRN WHI BRN BLK BLU BLK BLU PNK BLK BLK RED BLK GRN GRY ORN CONTROL PC BOARD WHI ORN WHI GRN T AN YEL REFILL SOL SOL SOL SOL SOL SOL SOL R BYPASS L BYPASS...

Страница 46: ...f A3 Right On Off A4 Right Brew B1 Hidden Left B2 Hidden Right C1 Left Large Batch C2 Left Medium Batch L1 Left Large Batch LED L2 Left Medium Batch LED L3 Left Small Batch LED L4 Left On Off LED L5 R...

Страница 47: ...LED L2 Left Medium Batch LED L3 Left Small Batch LED L4 Left On Off LED L5 Right On Off LED L6 Right Large Batch LED L7 Right Medium Batch LED L8 Right Small Batch LED C3 Left Small Batch C4 Right Lar...

Страница 48: ...VIO WHI YEL J9 5 CONTROL PC BOARD J2 1 J2 5 J2 10 Switch Unit Assembly Codes LED s 20 VIO WHI ORA WHI GRN ORA GRY YEL BLK RED BLK BRN WHI BRN BLK BLU BLU BLK SOL SOL SOL SOL SOL BREWER ON OFF SWITCH...

Страница 49: ...GRN GRY ORN CONTROL PC BOARD WHI ORN WHI GRN T AN YEL REFILL SOL SOL SOL SOL SOL SOL SOL R BYPASS L BYPASS R BREW L BREW RED RED N C OVERFLOW PROTECTION SWITCH L FUNNEL LOCK R FUNNEL LOCK J11 1 J11 5...

Страница 50: ...BOARD WHI ORN WHI GRN T AN YEL REFILL SOL SOL SOL SOL SOL SOL SOL R BYPASS L BYPASS R BREW L BREW RED RED N C OVERFLOW PROTECTION SWITCH L FUNNEL LOCK R FUNNEL LOCK J11 1 J11 5 J11 10 J11 18 J9 1 J2...

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