Bunn DUAL SH DBC Operating Manual
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Bunn DUAL SH DBC Operating Manual

Bunn DUAL SH DBC Operating Manual

With smart funnel
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®
DUAL
SH DBC
®
WITH SMART FUNNEL
(Seattle's Best)
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
www.bunnomatic.com
29877.0002A 12/04 ©2004 Bunn-O-Matic Corporation

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  • Page 1 ® DUAL SH DBC ® WITH SMART FUNNEL (Seattle's Best) INSTALLATION & OPERATING MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www.bunnomatic.com 29877.0002A 12/04 ©2004 Bunn-O-Matic Corporation...
  • Page 2 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 profi ts, 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 any other special, incidental or consequential damages.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS User Notices ..........................4 Electrical and Plumbing Requirements ..................5 Operating Controls ........................6 Initial Setup ..........................7 Coffee Brewing ..........................7 Cleaning ............................7 Glossary ............................8 PROGRAMMING ........................9 Programming Switches .......................9 Programming the Brewer & Lockout Switch ................10 PROGRAM FUNCTIONS (LEVEL 1) Brew Lockout .........................11 Recipe Programming Methods .....................11 Flow Diagram ..........................12...

  • Page 4: User Notices

    FAILURE TO COMPLY RISKS EQUIPMENT DAMAGE, FIRE, OR SHOCK HAZARD READ THE ENTIRE OPERATING MANUAL BEFORE BUYING OR USING THIS PRODUCT THIS APPLIANCE IS HEATED WHENEVER CONNECTED TO A POWER SOURCE 00658.0000 00831.0000F 3/98 ©1998 BUNN-O-MATIC CORPORATION 00831.0000 00656.0000 10044.0000 03408.0005 03409.0005 29877.2 121504...

  • Page 5: Electrical And Plumbing Requirements

    " water supply line. A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the counter top. Bunn-O-Matic does not recommend the use of a saddle valve to install the brewer. The size and shape of the hole made in the supply line by this type of device may restrict water fl ow.

  • Page 6: Operating Controls

    OPERATING CONTROLS P3339.25 OPERATING CONTROLS (a) BATCH SELECTOR PADS Pressing the pad corresponding to the Small, Medium, or Large batch selects the amount of coffee to be brewed. Pressing a different pad after a brew cycle has been initiated does not change the brew batch in prog- ress.

  • Page 7: Initial Setup

    1. Select the desired batch size on the grinder. It is not necessary to select a size on the brewer. 2. Insert a BUNN fi lter into the funnel. 3. Pour the proper amount of fresh ground coffee into the fi lter and level the grounds by gently shaking.

  • Page 8: Glossary

    GLOSSARY AD CARD: An assembly consisting of a computer chip and an instruction label. Used for loading advertising messages into the brewer. BREW LOCKOUT: The inability to initiate a brew if the water temperature is less than the ready temperature programmed into the brewer.

  • Page 9: Programming

    PROGRAMMING Using the menu-driven display on the front of the brewer, the operator has the ability to alter or modify various brewing parameters such as brew temperatures, brew volumes, bypass percentages, etc. This allows for the precise brewing of various fl avors of coffee. Programming of the brewer is achieved by entering a certain function.

  • Page 10: Programming The Brewer & Lockout Switch

    PROGRAMMING THE BREWER The programming of the brewer is divided into two levels. There is one function in Level 1. All other functions are accessed in Level 2. The following function screens are in order of appearance. Each screen will have instructions on how to access, and the procedures to program the various functions of the brewer.

  • Page 11: Recipe Programming Methods

    AND NO NAME RIGHT BREW REFER TO NAME LIST SETTINGS GO TO REVIEW RECIPES IN GRINDER MANUAL AND FOLLOW INSTRUCTIONS CONTACT BUNN-O-MATIC TO VIEW A LIST OF EXISTING RECIPES, FOR ASSISTANCE GO TO REVIEW RECIPES AND FOLLOW THE INSTRUCTIONS P2369 29877.2 121504...

  • Page 12: Flow Diagram

    PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM LEVEL 1 Press upper right hidden switch for approximately 2 seconds, until the following screen appears. BREW LOCKOUT? DONE Returns to normal oper- ating mode LEVEL 2 Press upper right hidden switch for approximately 4 seconds, until “SET NEW RECIPE” appears on screen. Sets unit of Sets unit of SET NEW RECIPE?
  • Page 13 PROGRAMMING FUNCTIONS (cont.) PROGRAM FLOW DIAGRAM (Cont.) TRANSFER 1st ON TIME: X:XX PRESS BREW TO COMPLETE SET 1st ON-TIME DONE OFF TIMES: X:XX PRESS BREW TO END 1st ON-TIME ENABLE ADS? DONE DONE LAST ON: Prel PRESS BREW TO END OFF-TIME DONE SET TEMP: 200°F DONE...
  • Page 14 PROGRAMMING FUNCTIONS (cont.) PROGRAM FLOW DIAGRAM (cont.) 3 BATCHES DONE? LEFT, RIGHT, FULL FULL SET BY EXAMPLE BYPASS SET ALL SET ALL 3 BATCHES DONE 3 BATCHES CONTAINER RDY? QUIT ENTER TIMES 3 BATCHES DONE? Continue Continue to (K) LEFT, to (I) RIGHT, FULL...
  • Page 15 PROGRAMMING FUNCTIONS (cont.) LEFT BREW VALVE PROGRAM FLOW DIAGRAM (Cont.) NEXT LEFT BYPASS L BYPS OZ/M 24.1 SPRAY HEAD CAL? NEXT DONE LEFT FUNNEL LOCK R BYPS OZ/M 24.1 BYPASS CAL? NEXT DONE LEFT SERVER CALIBRATE FLOW? CONTAINER RDY? CONTAINER RDY? NEXT QUIT QUIT...

  • Page 16: Program Functions (Level 2)

    PROGRAMMING FUNCTIONS - (cont.) PROGRAM FUNCTIONS - LEVEL 2 UNITS (SETTING UNITS OF MEASURE) This function allows the units of measure to be set in English or Metric readings for all screens. The program is defaulted to English. WARNING: Changing the unit of measure will erase all coffee recipes stored in memory.

  • Page 17: Set New Recipe (Using A Smart Funnel And G9-2T Dbc Or Mhg Grinder)

    PROGRAMMING FUNCTIONS (cont.) 6. If, for some reason, the name of the coffee from SET NEW RECIPE the grinder did not load properly into the funnel, Using a Smart Funnel ® and a G9-2T DBC or MHG or if a grind has not yet been done, the display will Grinder: read MUST GRIND INTO FUNNEL FIRST.

  • Page 18: Set By-Pass Percentages

    PROGRAMMING FUNCTIONS (cont.) SET NEW RECIPES (cont.) 8. Using (-) and (+), set the amount of brew water, in Procedure for Setting the Recipe: ounces, to be dispensed for that particular batch NOTE: Before beginning setup, place a server beneath size.

  • Page 19: Set Drip Times

    PROGRAMMING FUNCTIONS (cont.) SET NEW RECIPES (cont.) ing. 15. If the three batch sizes are not correct, press and 22. Using (-) and (+), set the amount of time the brew release NO to return to the % BYPASS setup screen cycle will delay (after the presoak cycle shuts off) and repeat steps 12 through 15.

  • Page 20: Set New Recipe (Using A Recipe Card)

    TIMES for that particular coffee NAME. These can all CARD CONTAINS be loaded in seconds. RECIPE FOR Contact Bunn-O-Matic Corporation for the avail- ability of RECIPE CARDS. NOTE: Instructions to program the brewer and grinder (COFFEE NAME) are printed on the RECIPE CARD, along with the coffee SHOW QUIT SAVE name that is being programmed.

  • Page 21: Set New Recipe (No Smart Funnel , G9-2T Dbc Or Mhg Grinder)

    MODIFYSHOWNEXT DONE This includes BREW VOLUMES, BYPASS PERCENT- AGES, PULSE BREW TIMES, PREINFUSION TIMES and DRIP-OUT TIMES. The brewer will perform in the BREW OZ. XX.X same capacity as a standard Bunn ® Dual ® Brewer. DONE The instructions for programming the NO NAME settings are on the following pages.

  • Page 22: Review Recipes/Modify Recipes/Set Up No Name Coffee

    PROGRAMMING FUNCTIONS -(cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO display reads REVIEW RECIPES. NAME COFFEE FLAVORS 2. Press YES to proceed. The display should now This function has three parts. It allows the operator read NO-NAME LEFT, along with MODIFY, SHOW to view the brew settings for the various coffee names and NEXT.

  • Page 23: Set Brew Volumes

    PROGRAMMING FUNCTIONS - (cont.) Press and release the batch size to be modifi ed. BREW OZ (SETTING OR ADJUSTING BREW VOL- UMES) 5. Using (-) and (+), set the amount of brew water, This function allows adjustment of the brew vol- in ounces, to be dispensed over the grounds for umes for each batch.

  • Page 24: Set Bypass Percentages

    PROGRAMMING FUNCTIONS -(cont.) coffee name to be modifi ed. % BYPASS 4. Press and release MODIFY. The display should This function allows adjustment of the amount of read BREW OZ. water that bypasses the grounds. The number signi- 5. Press and release DONE. The display should read fi...

  • Page 25: Set Pulse Brew Times

    PROGRAMMING FUNCTIONS (cont.) Modifying pulse brew: SET PULSE BREW Range: 1st on time - off to 4 minutes This function allows the operator to program Off time - off to 4 minutes the brewer to "pulse” the sprayhead fl ow on and off Last on time - Preinfusion to 4 minutes during a brew cycle (start and stop the fl...

  • Page 26: By Example

    PROGRAMMING FUNCTIONS (cont.) SET PULSE BREW (cont.) REVIEW RECIPES? EXIT TO NEXT FUNCTION SCREEN NO-NAME LEFT MODIFYSHOWNEXT ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER'S MEMORY SCREEN DISPLAYED PRESS BREW OZ: XX.XX DONE 3 BATCHES DONE? % BYPASS XX.X DONE 3 BATCHES DONE? <RECIPE NAME>...
  • Page 27 PROGRAMMING FUNCTIONS - (cont.) SET PULSE BREW - BY EXAMPLE This function allows adjustment of the pulse brew by fi rst observing the fl ow of water for on and off times. Procedure to set pulse brew by example: NOTE: The procedure to enter the Pulse Brew Function (Page 24) must be performed prior to following the steps listed below.

  • Page 28: Enter Times

    PROGRAMMING FUNCTIONS - (cont.) SET PULSE BREW - ENTER TIMES This function allows adjustment of the pulse brew by entering actual times for each of the settings. SET PULSE BREW? Procedure to enter actual times for pulse brew: NOTE: The procedure to enter the Pulse Brew Times (Page 25) area of the program must be performed prior following the steps listed below.

  • Page 29: Set Preinfusion Times

    PROGRAMMING FUNCTIONS (cont.) SET PREINFUSION 16. When fi nished, press DONE. The display will show This function allows the operator to set an initial the ON and OFF TIMES that were entered for each soaking of the grounds and a delay time, before the particular batch size.

  • Page 30: Set Drip Times

    PROGRAMMING FUNCTIONS - (cont.) DRIP TIME (now displayed on "non" funnel lock 12. When fi nished, press another batch size and repeat units as well) step 11 until all three sizes are set. This function allows the setting or modifi cation 13.

  • Page 31: Copy Settings

    PROGRAMMING FUNCTIONS - (cont.) switch until the display reads COPY SETTINGS. COPY SETTINGS (NO NAME COFFEE SETTINGS 2. Press YES in this screen. The display should read ONLY) LEFT >>> RIGHT. This function is used to transfer all the brew set- 3.

  • Page 32: Enable Ads

    PROGRAMMING FUNCTIONS - (cont.) 2. To adjust the brew temperature, press (-) to de- crease or (+) to increase the brew temperature. ENABLE ADS? 3. When fi nished, press and release DONE to save This function allows the operator to choose whether the new setting, exit the SET TEMP function and or not to display the advertising message that was en- advance to the next function screen, SET READY.

  • Page 33: Refi Ll (Adjust Sensitivity)

    PROGRAMMING FUNCTIONS -(cont.) screen, SPRAY OZ/M. Another alternative is to press and release either of the pads located Procedure to set ready temperature: on the front switch panel to exit REFILL and return 1. Press and hold upper right hidden switch until the to the MAIN SCREEN.

  • Page 34: Calibrate Flow

    PROGRAMMING FUNCTIONS - (cont.) 6. Measure the amount of water in the container and using the (-) or (+) pads, adjust the amount on Procedure to adjust the fl ow rate setting: the display to match the amount in the container. 1.

  • Page 35: Calibrate Bypass Flow

    PROGRAMMING FUNCTIONS -(cont.) CALIBRATE FLOW (cont.) Procedures to calibrate the bypass fl ow rate: CALIBRATE FLOW? 1. Place a container, accurately graduated in ounces, and with a minimum capacity of 60 ounces, below the funnel on the brewer to be calibrated. EXIT TO THE 2.

  • Page 36: Brew Counters (View/Reset)

    PROGRAMMING FUNCTIONS - (cont.) BREW COUNTERS when viewing that particular counter's screen. 5. When fi nished, press NEXT to advance counter This function allows the operator to track the number of brew cycles completed on the left side, the screens until the display reads BREW COUN- right side, and the total of both combined.

  • Page 37: Server Detect

    PROGRAMMING FUNCTIONS - (cont.) SERVER DETECT SERVICE TOOLS This function allows the operator to prevent the start This function allows the testing of individual com- of a brew cycle if a Soft Heat ® server is not positioned ponents and the ability to check switches for proper correctly on the brewer.

  • Page 38: Test Outputs (Components)

    PROGRAMMING FUNCTIONS - (cont.) SERVICE TOOLS (cont.) 11. Press OFF to end fl ow of water. Testing individual components (outputs) 12. Press NEXT to advance to the next component to This will allow the operator to test the operation be tested. of individual components and outputs of the brewer.

  • Page 39: Test Servers

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) 6. In TEST OUTPUTS screen, press NO. This advances 2. Place a Soft Heat server beneath each brew fun- to TEST SWITCHES. Press and release NO once nel. more. The display should now read TEST SERV- 3.

  • Page 40: Factory Defaults (Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) FACTORY DEFAULTS FACTORY DEFAULT VALUES This function allows the operator to erase all of the previously entered recipes and ad messages. Factory- BREW LOCKOUT set default values will replace all previous settings. ENABLE ADS BREW TEMPERATURE 200˚F (93˚C) FACTORY DEFAULTS...

  • Page 41: Troubleshooting

    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 Technical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by qualifi ed service personnel.
  • Page 42 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 1. SMART FUNNEL not fully inserted Position the funnel so that the sensor NO FUNNEL into the funnel rails. is directly beneath the sensor coil on PRESENT the brewer. Disable the FUNNEL DETECT func- 2.
  • Page 43 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 1. Soft Heat Server was moved out To resume brewing, correctly BREW STOPPED! of position after the brew cycle was position the Soft Heat Server and SERVER REMOVED? started. press BREW again. The brew cycle resumes from the point it was inter- rupted.
  • Page 44 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures Check water supply shut-off 1. Water shut off to brewer FILL TIME TOO Service required 2. Inlet Solenoid Valve failure LONG Service required 3. Control Board Failure CHECK WATER SUPPLY TEMP SENSOR Check wire and connection of both 1.
  • Page 45 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure Equipment will not operate. 1. No power or incorrect voltage. Measure the voltage at the terminal block and confi rm that it matches the voltage specifi ed on the brewer data plate within +/- 10%. Brew cycle will not start.
  • Page 46 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure LONG Check the sensitivity setting. Refer 3. Refi ll Probe or Sensitivity Set- Automatic refi ll will not operate or to the Refi ll function on page 33. If ting display shows FILL TIME TOO LONG the left three digit number is less (cont.) than the right number, the machine...
  • Page 47 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedures 1. Refi ll Probe or Sensitivity Set- Water fl ows into tank continuously Check the sensitivity setting. Refer ting with power applied to brewer. to the Refi ll function on page 33. If the left three digit number is less than the right number, the machine “thinks”...
  • Page 48 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause Water will not heat or display shows Remove power from the brewer. 3. Triac HEATING TIME TOO LONG (cont.) Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to Testing Indi- vidual Components on pages 37-39.
  • Page 49 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause 3. Electronic control board Perform the previous procedure Spitting or unusual steaming from for testing triacs. If the voltage sprayhead or air vents. (Water too measured is very low or zero, then hot) (cont.) substitute a control board known to be in good working order.
  • Page 50 B.O.M. sprayhead #01082.0002 should be used to properly wet the bed of ground coffee in the funnel. 4. Funnel Loading The BUNN ® paper fi lter should be centered in the funnel and the bed of ground coffee leveled by gentle shaking.
  • Page 51 Possible Cause Troubleshooting Procedures Weak beverage (cont.) 6. Incorrect Recipe Consider reloading default values. See pages 17-30. Contact Bunn-O- Matic for suggestions. Brewer is making unusual noises. 1. Solenoid (Inlet) The nut on back of the solenoid must be tight or it will vibrate during operation 2.

  • Page 52: Schematic (Wiring Diagram)

    29877.2 121504 Page 52...

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