Bunn Dual TF DBC Installation & Operating Manual
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Bunn Dual TF DBC Installation & Operating Manual

With smart funnel
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DUAL
TF DBC
™
™
®
WITH SMART FUNNEL
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
35058.0000E 04/05 ©2002 Bunn-O-Matic Corporation

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  • Page 1 DUAL TF DBC ™ ™ ® WITH SMART FUNNEL 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 35058.0000E 04/05 ©2002 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 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 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 ............................. 8 Glossary ............................ 9 PROGRAMMING ..................10 Programming Switches ......................10 Programming the Brewer ......................11 PROGRAM FUNCTIONS (LEVEL 1) Brew Lockout ..........

  • Page 4: User Notices

    USER NOTICES The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 00658.0000 00831.0000 CAUTION Do not connect to a circuit operating at more than 150 volts to ground. 27508.0000 00656.0000 10044.0000 03408.0000 20201.5600 03409.0000 Page 4 35058 121102...

  • 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 flow.

  • Page 6: Operating Controls

    These are used to "receive" information from the Smart Funnel ® handle (coffee name and batch size), and also from RECIPE CARDS. (h) SCROLL BACKWARDS The upper left corner of the B in BUNN ® can be used to scroll backwards through the function list. Page 6 35058 121102...

  • Page 7: Initial Setup

    7. The brewer is now ready for use in accordance with the coffee brewing instructions. COFFEE BREWING 1. Select the desired batch size on the grinder. It is not necessary to select a size on the brewer. 2. Insert a BUNN ® filter into the funnel.

  • Page 8: Cleaning

    1. The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment. Do NOT clean this equipment with a water jet device. 2. Check and clean each sprayhead. The sprayhead holes must always remain open.

  • Page 9: Glossary

    GLOSSARY AD CARD: An assembly consisting of computer chips 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. BYPASS: The process of diverting a portion of the brew water to the outside of the paper filter so that it does not pass through the coffee grounds.

  • Page 10: Programming

    This is used to access the programming mode and is also used to scroll forward through the function list. 2. Upper left corner of the "B" in the BUNN logo This is used to scroll backwards through the function list.

  • Page 11: Programming The Brewer

    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 12: Program Functions (Level 2)

    PROGRAMMING THE BREWER (cont.) PROGRAM FUNCTIONS - LEVEL 2 METHOD 2: There are three methods of programming the Using a RECIPE CARD to enter all of the brew various brewing parameters of the Dual™ TF with settings at one time: Smart Funnel ®...

  • Page 13: Set New Recipe (Using A Smart Funnel ® And G9-2T Dbc Grinder)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE Procedure for Setting the Recipe: ® Using a Smart Funnel and a G9-2T DBC Grinder: NOTE: Before beginning setup, place a server beneath This function allows the operator to set BREW the left brew funnel.

  • Page 14: Set By-Pass Percentages

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPES (cont.) 17. If setting pulse brew by ENTER TIMES (entering 8. Using (-) and (+), set the amount of brew water, in known times) press NO. The display should read ounces, to be dispensed for that particular batch ENTER TIMES.

  • Page 15: Set Drip Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPES (cont.) 27. The display should now read DRIP TIME, along with either the word OFF, or a time will be showing. 22. Using (-) and (+), set the amount of time the brew A batch light should also be blinking.

  • Page 16: Set New Recipe (Using A Recipe Card)

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

  • Page 17: Set New Recipe (No Smart Funnel ® Nor G9-2T Dbc Grinder)

    This includes BREW VOLUMES, BYPASS PERCENT- AGES, PULSE BREW TIMES, PREINFUSION TIMES and DRIP-OUT TIMES. The brewer will perform in the same capacity as a standard Bunn Dual TF Brewer. The instructions for programming the NO NAME P2419 settings are on the following pages. The same steps are followed for setting the recipe as those that are used to MODIFY A RECIPE, beginning on page 18.

  • Page 18: Review Recipes/Modify Recipes/Set Up No Name Coffee

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO 2. Press YES to proceed. The display should now NAME COFFEE FLAVORS: read NO-NAME LEFT, along with MODIFY, SHOW This function has three parts. It allows the opera- and NEXT. tor to view the brew settings for the various coffee 3.

  • Page 19: Set Brew Volumes

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 5. Using (-) and (+), set the amount of brew water, in BREW OZ (SETTING OR ADJUSTING BREW VOL- UMES) ounces, to be dispensed over the grounds for that This function allows adjustment of the brew vol- particular batch size.

  • Page 20: Set Bypass Percentages

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 4. Press and release MODIFY. The display should % BYPASS read BREW OZ. This function allows adjustment of the amount of 5. Press and release DONE. The display should read water that bypasses the grounds. The number signi- 3 BATCHES DONE?.

  • Page 21: Set Pulse Brew Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW: Modifying pulse brew: This function allows the operator to program the Range: 1st on time - off to 4 minutes brewer to "pulse” the sprayhead flow on and off dur- Off time - off to 4 minutes ing a brew cycle (start and stop the flow of water out Last on time - Preinfusion to 4 minutes of the sprayhead).
  • Page 22 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW (cont.) Page 22 35058 121102...
  • Page 23 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew - BY EXAMPLE: 1. This display should read CONTAINER READY? Place a container under the left side sprayhead. Place a brew funnel containing a filter and grounds on top of the container so that the spray and cof- fee bed can be viewed.

  • Page 24: Enter Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew - ENTER TIMES: 6. If other batch sizes need to be modified, press NOTE: No water should flow from the brewer during NO. The display will then read SET BY EXAMPLE. this set-up process.

  • Page 25: Set Preinfusion Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PREINFUSION 16. When finished, 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 26: Set Drip Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 12. When finished, press another batch size and re- DRIP TIME (now displayed on "non" funnel lock units peat step 11 until all three sizes are set. as well) 13. When finished, press DONE. The display should This function allows the setting or modification of read 3 BATCHES DONE? the funnel locks to stay engaged after the end of a...

  • Page 27: Copy Settings

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 2. Press YES in this screen. The display should read COPY SETTINGS (NO NAME COFFEE SETTINGS ONLY) LEFT >>> RIGHT. This function is used to transfer all the brew 3. If the initial programming was done on the left side settings from a NO NAME coffee flavor programmed of the brewer, press YES.

  • Page 28: Enable Ads

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET TEMP - Range: 185˚F (85˚C) to 205˚F (96˚C) ENABLE ADS? This function allows the operator to set the brew This function allows the operator to choose whether water temperature in the tank. It also sets the hot water or not to display the advertising message that was faucet dispense temperature.

  • Page 29: Refill (Adjust Sensitivity)

    Procedure to adjust the flow rate setting: PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 1. Press and hold the ® pad until the display reads Another alternative is to press and release either of SET NEW RECIPES. Release the ®. Press and pads located on the front switch panel to release the ®...

  • Page 30: Calibrate Flow

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRATE FLOW This function allows the operator to enter the actual flow rate of the sprayhead and the bypass for each side of the brewer by dispensing both separately for one minute. The volumes are then entered in ounces per minute (OZ/M).

  • Page 31: Calibrate Bypass Flow

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRATE FLOW (cont.) Procedures to calibrate the bypass flow rate: 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. 2.

  • Page 32: Brew Counters (View/Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW COUNTERS 5. When finished, press NEXT to advance counter This function allows the operator to track the screens until the display reads BREW COUNTERS. number of brew cycles completed on the left side, the Press and release NO to advance to the next right side, and the total of both combined.

  • Page 33: Service Tools

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS This function allows the testing of individual com- ponents and the ability to check switches for proper function. This function also tests the funnel sensor coil's frequency (diagnostic tool for troubleshooting purposes only). Pressing NO will forward to the next function FACTORY DEFAULTS.

  • Page 34: Test Outputs (Components)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 13. To test LEFT FUNNEL LOCK, press ON. If the SERVICE TOOLS (cont.) funnel lock is functional, the lock will come down Testing individual components (outputs): to hold the funnel in place. This will allow the operator to test the operation of 14.

  • Page 35: Test Frequency

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) SET NEW RECIPES. Release the ® pad. Continue 4. Press YES to run tests on various components and pressing and releasing the ® pad until SERVICE outputs within the brewer. (Pressing NO will exit TOOLS appears.

  • Page 36: 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. BREW VOLUMES: Small Batch 64 oz.

  • Page 37: 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 qualified service personnel.
  • Page 38 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 1. Water temperature in the tank (a) Wait for the brewer to heat to the does not meet the SET READY TEM- proper temperature. PERATURE. (b) Disable the BREW LOCKOUT function. See page 10 for proce- dure.
  • Page 39 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 1. ON/OFF switch was pressed after To resume brewing, press BREW the brew cycle was started. again. The brew cycle resumes form the point it was interrupted. Press ON/OFF to terminate the brew cycle.
  • Page 40 TROUBLESHOOTING (cont.) Possible Cause Troubleshooting Procedures Screen Displayed 1. Water shut off to brewer Check water supply shut-off 2. Inlet Solenoid Valve failure Service required 3. Control Board Failure Service required 1. Temperature Sensor Probe wire(s) Check wire and connection of both broken or not making connection.
  • Page 41 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure Measure the voltage at the terminal Equipment will not operate. 1. No power or incorrect voltage. block and confirm that it matches the voltage specified on the brewer data plate within +/- 10%. Brew cycle will not start.
  • Page 42 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure Automatic refill will not operate or 3. Refill Probe or Sensitivity Check the sensitivity setting. Refer to the Refill function on page 28. If display shows FILL TIME TOO LONG Setting (cont.) the left three digit number is less than the right number, the machine “thinks”...
  • Page 43 TROUBLESHOOTING (cont.) Possible Cause Troubleshooting Procedures Problem Water flows into tank continuously 1. Refill Probe or Sensitivity Setting Check the sensitivity setting. Refer with power applied to brewer. to the Refill function on page 28. If the left three digit number is less than the right number, the machine “thinks”...
  • Page 44 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause Water will not heat or display shows 3. Triac Remove power from the brewer. 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 page 33.
  • Page 45 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause Spitting or unusual steaming from 3. Electronic control board Perform the previous procedure for sprayhead or air vents. (Water too testing triacs. If the voltage mea- hot) (cont.) sured is very low or zero, then sub- stitute a control board known to be in good working order.
  • Page 46 B.O.M. sprayhead should be used to properly wet the bed of ground cof- fee in the funnel. 4. Funnel Loading The BUNN ® paper filter should be centered in the funnel and the bed of ground coffee leveled by gentle shak- ing.
  • Page 47 Troubleshooting Procedures Weak beverage (cont.) 6. Incorrect Recipe Consider adjusting bypass percent- age, preinfusion, or pulse brew. Contact Bunn-O-Matic for sugges- tions. 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 48: Schematic Wiring Diagram

    Left Medium Batch LED Left Small Batch LED 120/240 OR 120/208 Left On/Off LED Right On/Off LED VOLT A.C. Right Large Batch LED SINGLE PHASE Right Medium Batch LED 34916.0000A 10/02 © 2002 Bunn-O-Matic Corporation Right Small Batch LED Page 48 35058 063003...
  • Page 49 Left Small Batch LED 120/240 OR 120/208 Left On/Off LED Right On/Off LED VOLT A.C. Right Large Batch LED 4 WIRE 3-PHASE Right Medium Batch LED 34916.0001B 03/03 © 2002 Bunn-O-Matic Corporation Right Small Batch LED Page 49 35058 063003...
  • Page 50 Left Medium Batch LED Left Small Batch LED 200/230 VOLT A.C. Left On/Off LED Right On/Off LED 2 WIRE Right Large Batch LED SINGLE PHASE Right Medium Batch LED 34839.0000A 06/03 © 2003 Bunn-O-Matic Corporation Right Small Batch LED Page 50 35058 063003...

  • Page 51: Schematic Wiring Diagram

    Left Small Batch LED 200,208 or 240 VOLT A.C. Left On/Off LED Right On/Off LED 2 WIRE SINGLE PHASE Right Large Batch LED 50/60 HZ Right Medium Batch LED 34839.0002B 11/04 © 2004 Bunn-O-Matic Corporation Right Small Batch LED Page 51 35058 112304...

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