Bunn single sh dbc Operating Manual
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Bunn single sh dbc Operating Manual

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Download this manual See also: Programming Manual, Operating Manual
®
BUNN
®
SINGLE
SH 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
34025.0000B 02/03 ©2001 Bunn-O-Matic Corporation

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  • Page 1 ® BUNN ® SINGLE SH 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 34025.0000B 02/03 ©2001 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 ............................. 7 Glossary ............................ 8 PROGRAMMING ..................9 Programming Switches ......................9 Programming the Brewer ......................10 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 00656.0000 10044.0000 20201.5600 03408.0000 03409.0000 34025 100501 Page 4...

  • 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

    This is used to "receive" information from the Smart Funnel ® handle (coffee name and batch size), and also from TAG CARDS. (h) SCROLL BACKWARDS The upper left corner of the B in BUNN ® can be used to scroll backwards through the function list. 34025 022403 Page 6...

  • 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: Glossary

    GLOSSARY AD CARD: An assembly consisting of a computer chip (TAG) and an instruction label. Used for loading advertis- ing 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

    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 10: 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 11: 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 SINGLE SH with settings at one time: Smart Funnel ®...

  • Page 12: 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 the sprayhead.

  • Page 13: 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 over the grounds for that ENTER TIMES.

  • Page 14: 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 15: Set New Recipe (Using A Recipe Card)

    PERCENTAGES, PULSE BREW TIMES, PREINFUSION 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 16: Set New Recipe (No Smart Funnel Nor G92T Dbc Grinder)

    If not using a Smart Funnel ® (with a sensor coil) and/ or a G92T DBC Grinder, the brewer will function as ® ® a standard BUNN Single Brewer: It is possible to operate the brewer without using a Smart Funnel ®...

  • Page 17: 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 opera- read NO NAME, along with MODIFY, SHOW and tor to view the brew settings for the various coffee NEXT.

  • Page 18: Set Brew Volumes

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

  • Page 19: 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 20: 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 21 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW (cont.) P2445 34025 100501 Page 21...
  • Page 22 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 23: 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 24: Set Preinfusion Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 16. When finished, press DONE. The display will show SET PREINFUSION This function allows the operator to set an initial the ON and OFF TIMES that were entered for a soaking of the grounds and a delay time, before the particular batch size.

  • Page 25: Set Drip Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) DRIP TIME (now displayed on "non" funnel lock units 12. When finished, press another batch size and re- as well) peat step 11 until all three batches are set. This function allows the setting or modification of 13.

  • Page 26: 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 the or not to display the advertising message that was new setting, exit the SET TEMP function and entered into the brewer with an AD CARD.

  • Page 27: 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 28: 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 dispensing both separately for one minute. The vol- umes are then entered in ounces per minute. (Oz/M) Procedures to calibrate the sprayhead flow rate: 1.

  • Page 29: 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. 2. Press and hold the ® pad until the display reads SET NEW RECIPES.

  • Page 30: Brew Counters (View/Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW COUNTERS FUNNEL DETECT (optional) This function allows the operator to track the This function allows the operator to prevent the number of brew cycles completed. There is one start of a brew cycle if a Smart Funnel ®...

  • Page 31: 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 ponents and the ability to check switches for proper start of a brew cycle if a Soft Heat ®...

  • Page 32: Test Outputs (Components)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) funnel in place. 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 of be tested.

  • Page 33: Test Servers

    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 34: 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 35: 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 36 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure ® Position the funnel so that the sen- 1. SMART FUNNEL not fully in- serted into the funnel rails. sor is directly beneath the sensor coil on the brewer. ® Disable the FUNNEL DETECT func- 2.
  • Page 37 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure ® 1. Soft Heat Server was moved out To resume brewing, correctly posi- of position after the brew cycle was tion the Soft Heat ® Server and press started. BREW again. The brew cycle re- sumes from the point it was inter- rupted.
  • Page 38 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedure Check water supply shut-off 1. Water shut off to brewer Service required 2. Inlet Solenoid Valve failure Service required 3. Control Board Failure Check wire and connection of both 1. Temperature Sensor Probe wire(s) black and white wires of tempera- broken or not making connection.
  • Page 39 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%. Check plumbing and shut-off valves Brew cycle will not start.
  • Page 40 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure Automatic refill will not operate or 3. Refill Probe or Sensitivity Check the sensitivity setting. Refer display shows FILL TIME TOO LONG Setting to the Refill function on page 27. If (cont.) the left three digit number is less than the right number, the machine “thinks”...
  • Page 41 TROUBLESHOOTING (cont.) Possible Cause Troubleshooting Procedures Problem 1. Refill Probe or Sensitivity Setting Check the sensitivity setting. Refer Water flows into tank continuously to the Refill function on page 27. If with power applied to brewer. the left three digit number is less than the right number, the machine “thinks”...
  • Page 42 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 page 32.
  • Page 43 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 sub- stitute a control board known to be in good working order.
  • Page 44 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 filter should be centered in the funnel and the bed of ground coffee leveled by gentle shak- ing.
  • Page 45 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 46: Schematic Wiring Diagram

    TANK HEATER REFILL WHI/GRN BYPASS BREW WHI/VIO N.C. OVERFLOW PROTECTION SWITCH BRN/WHI BRN/BLK FUNNEL LOCK (OPTIONAL) SERVER TRANSFORMER BLU/BLK 24VDC BLU/BLK – 120/240 OR 120/208 VOLT A.C. – SINGLE PHASE RECTIFIER 32043.0000B 09/01 © 2000 BUNN-O-MATIC CORPORATION 34025 022403 Page 46...

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