Bunn Single SH DBC Installation & Operating Manual
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Bunn Single SH DBC Installation & Operating Manual

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See also: Programming Manual , Operating Manual
SINGLE
SH DBC
®
®
WITH SMART FUNNEL
®
Software Version 1.15
and all ending __.15
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
To ensure you have the latest 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.
34025.0000D 02/09 ©2001 Bunn-O-Matic Corporation

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  • Page 1 To ensure you have the latest 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.
  • 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 ............................7 Glossary ............................8 PROGRAMMING ........................9 Programming Switches .......................9 Programming the Brewer ......................10 PROGRAM FUNCTIONS (LEVEL 1) Brew Lockout ..............10 PROGRAM FUNCTIONS (LEVEL 2) ...................11 Set New Recipe (using a Smart Funnel and G92T DBC Grinder) ........12...

  • Page 4: User Notices

    • FOLLOW NATIONAL AND LOCAL ELECTRICAL CODES. • KEEP COMBUSTIBLES AWAY. FAILURE TO COMPLY RISKS EQUIPMENT DAMAGE, FIRE OR SHOCK HAZARD. READ THE ENTIRE OPERATING MANUAL BEFORE USING THIS PRODUCT 00986.0000F 10/07 ©1994 Bunn-O-Matic Corporation 00986.0000 00658.0000 03408.0004 37881.0000 03409.0004 MAIN ON/OFF SWITCH 00824.0000...
  • Page 5 ELECTRICAL REQUIREMENTS WARNING - The brewer must be disconnected from the power source until specified in Initial Set-Up. Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements. L2 RED L2 RED L2 RED L2 RED WHITE WHITE WHITE...

  • Page 6: 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 7: Operating Controls

    This is used to "receive" information from the Smart Funnel handle (coffee name and batch size), and also from RECIPE CARDS. (j) SCROLL BACKWARDS (Upper Left Hidden Switch) The upper left corner of the B in BUNN can be used to scroll backwards through the function list. 34025 022509 Page 7...

  • Page 8: Initial Setup

    7. The brewer is now ready for use in accordance with the coffee brewing instructions. COFFEE BREWING 1. Insert a BUNN filter into the Smart Funnel. 2. If a grinder is not used to obtain the coffee grounds, pour the proper amount of fresh coffee grounds into the funnel and level by gently shaking.

  • Page 9: 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 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)

    THE NO NAME INSTRUCTIONS BREW SETTINGS REFER TO NAME LIST 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 P2438 34025 012004...

  • Page 13: Set New Recipe (Using A Smart Funnel ® And G92T Dbc Grinder)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE Procedure for Setting the Recipe: Using a Smart Funnel and a G92T DBC Grinder: NOTE: Before beginning setup, place a server beneath This function allows the operator to set BREW VOL- the sprayhead.

  • Page 14: Set Pulse Brew Times

    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, known times) press NO. The display should read in ounces, to be dispensed over the grounds for ENTER TIMES.
  • Page 15 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)

    PLETE. All brew settings for that name are now Using a RECIPE CARD to load coffee names and stored in the brewer's memory. brew settings into the SINGLE SH DBC with Smart 6. If the brewing information is not correct, or it is Funnel ®...

  • Page 17: Set New Recipe (No Smart Funnel ® Or G92T Dbc Grinder)

    BREW OZ. XX.X BYPASS PERCENTAGES, PULSE BREW TIMES, PRE- MODIFYSHOWNEXT DONE INFUSION TIMES and DRIP-OUT TIMES. The brewer will perform in the same capacity as a standard BUNN Single Brewer. The instructions for programming the NO NAME BREW OZ. XX.X settings are on the following pages.

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

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO until the 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, along with MODIFY, SHOW and to view the brew settings for the various coffee names NEXT.
  • Page 19 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW OZ (SETTING OR ADJUSTING BREW VOL- Press and release the batch size to be modified. 5. Using (-) and (+), set the amount of brew water, UMES) This function allows adjustment of the brew vol- in ounces, to be dispensed over the grounds for umes for each batch.
  • Page 20 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 Range: 1st on time - off to 4 minutes the brewer to "pulse” the sprayhead flow on and off Off time - off to 4 minutes during a brew cycle (start and stop the flow of water Last on time - off to 4 minutes out of the sprayhead).

  • Page 22: By Example

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW (cont.) REVIEW RECIPES? EXIT TO NEXT FUNCTION SCREEN NO-NAME 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?

  • Page 23: Set Preinfusion Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew - BY EXAMPLE: 1. This display should read CONTAINER READY? Place a container under the sprayhead. Place a brew funnel containing a filter and grounds on top of the container so that the spray and coffee 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 NO. NOTE: No water should flow from the brewer during The display will then read SET BY EXAMPLE. this set-up process.
  • Page 25 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 16. When finished, press DONE. The display will show SET PREINFUSION the ON and OFF TIMES that were entered for a This function allows the operator to set an initial soaking of the grounds and a delay time, before the particular batch size.
  • Page 26 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) DRIP TIME (now displayed on "non" funnel lock 12. When finished, press another batch size and repeat units as well) step 11 until all three batches are set. This function allows the setting or modification 13.

  • Page 27: Enable Ads

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 2. To adjust the brew temperature, press (-) to de- ENABLE ADS? crease or (+) to increase the brew temperature. This function allows the operator to choose whether 3. When finished, press and release DONE to save or not to display the advertising message that was en- the new setting, exit the SET TEMP function and tered into the brewer with an AD CARD.

  • Page 28: Refill (Adjust Sensitivity)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPES. Release the ®. Press and REFILL - Range: 20 to 230 release the ® pad until the display reads SPRAY This function allows the operator to adjust the OZ/M. The number represents what the brewer sensitivity of the refill circuit.

  • Page 29: 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 by dispens- ing both separately for one minute. The volumes are then entered in ounces per minute. (Oz/M) CALIBRATE FLOW? Procedures to calibrate the sprayhead flow rate: 1.

  • Page 30: Calibrate Sprayhead Flow

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRATE FLOW (cont.) Procedures to calibrate the bypass flow 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. EXIT TO THE 2.

  • Page 31: Brew Counters (View/Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW COUNTERS FUNNEL DETECT (optional) This function allows the operator to track the num- This function allows the operator to prevent the ber of brew cycles completed. There is one resettable start of a brew cycle if a Smart Funnel is not positioned counter, and one life counter that is not resettable.

  • Page 32: Server Detect

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS SERVER DETECT This function allows the testing of individual com- This function allows the operator to prevent the start ponents and the ability to check switches for proper of a brew cycle if a Soft Heat server is not positioned function.
  • Page 33 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) funnel in place. SERVICE TOOLS (cont.) 14. Press OFF to retract the funnel lock. Testing individual components (outputs): 15. Press NEXT to advance to the next component to This will allow the operator to test the operation be tested.
  • Page 34 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) 8. Lift and pull the Soft Heat server forward about 2 inches so that the two contacts on the server do 5. The display should read TEST OUTPUTS. not touch the two contacts on the brewer. 6.

  • Page 35: 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 36: 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 37 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure 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. 2. Not using a SMART FUNNEL, Disable the FUNNEL DETECT func- and the FUNNEL DETECT function tion.
  • Page 38 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure 1. Soft Heat Server was moved out To resume brewing, correctly of position after the brew cycle was position the Soft Heat Server and BREW STOPPED! started. press BREW again. The brew cycle SERVER REMOVED? resumes from the point it was inter- rupted.
  • Page 39 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure Check water supply shut-off 1. Water shut off to brewer FILL TIME TOO Service required LONG 2. Inlet Solenoid Valve failure Service required 3. Control Board Failure CHECK WATER SUPPLY Check wire and connection of both 1.
  • Page 40 TROUBLESHOOTING (cont.) Problem Troubleshooting Procedure Possible Cause 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%. Check plumbing and shut-off valves Brew cycle will not start.
  • Page 41 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure Automatic refill will not operate or 3. Refill Probe or Sensitivity Set- Check the sensitivity setting. Refer display shows FILL TIME TOO LONG ting to the Refill function on page 28. (cont.) If the left three digit number is less than the right number, the machine “thinks”...
  • Page 42 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedures 1. Refill Probe or Sensitivity Set- Water flows into tank continuously Check the sensitivity setting. Refer ting to the Refill function on page 28. If with power applied to brewer. the left three digit number is less than the right number, the machine “thinks”...
  • Page 43 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 Individual Components on page 33.
  • Page 44 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause Spitting or unusual steaming from 3. Electronic control board Perform the above procedure for sprayhead or air vents. (Water too testing triacs. If the voltage mea- hot) (cont.) sured is very low or zero, then substitute a control board known to be in good working order.
  • Page 45 Dripping from sprayhead. 1. Brew Valve Repair or replace leaky valve. Water overflows filter. BUNN paper filters should be used 1. Type of paper filters for proper extraction. 2. No sprayhead Check sprayhead Beverage overflows server.
  • Page 46 Troubleshooting Procedures 6. Incorrect Recipe Weak beverage (cont.) 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 47: Schematic Wiring Diagram

    "Brewer" Center Hidden Button BLU/BLK – "Control" Right Hidden Button – RECTIFIER 120/208 OR 120/240 VOLT A.C. + GND SINGLE PHASE 32043.0000D 01/07 © 2000 BUNN-O-MATIC CORPORATION White Strip-Tac Plus Black Ink Finished Size: 7.0" x 8.5" ~78% Reduction 34025 022509 Page 47...
  • Page 48 SCHEMATIC WIRING DIAGRAM SINGLE SH DBC with SMART FUNNEL TRIAC LIMIT THERMOSTAT MT 1 BLU -14 BLK-14 BLK-14 WHI-14 TANK HEATER SWITCH UNIT ASSY SHIELD FUNNEL SENSOR WHI/VIO REFILL WHI/GRN BYPASS CONTROL PC BOARD BREW WHI/VIO N.C. OVERFLOW PROTECTION SWITCH...
  • Page 49 SCHEMATIC WIRING DIAGRAM SINGLE SH DBC (W/SMART FUNNEL) GRN/YEL FILTER THERMAL THERMAL TRIAC LIMIT THERMOSTAT SAFETY FUSE SAFETY FUSE BLK-14 MT 1 BLU -14 BLK-14 TANK HEATER TOUCH SWITCH ASSMBLE REFILL WHI/GRN BYPASS BREW WHI/VIO N.C. OVERFLOW PROTECTION SWITCH BRN/WHI...
  • Page 50 SCHEMATIC WIRING DIAGRAM SINGLE SH DBC (W/SMART FUNNEL) GRN/YEL FILTER THERMAL THERMAL TRIAC LIMIT THERMOSTAT SAFETY FUSE SAFETY FUSE MT 1 BLU -14 BLK-14 BLK-14 TANK HEATER TOUCH SWITCH ASSMBLE REFILL WHI/GRN BYPASS BREW WHI/VIO N.C. OVERFLOW PROTECTION SWITCH BRN/WHI...

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