Bunn Dual SH Installation And Operating Manual
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Bunn Dual SH Installation And Operating Manual

Bunn Dual SH Installation And Operating Manual

With smart funnel
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See also: Service Manual , Operation & Service Manual
INSTALLATION & OPERATING MANUAL
29877.0000 12/03 ©2001 Bunn-O-Matic Corporation
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
®
DUAL
WITH SMART FUNNEL
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www.bunnomatic.com
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  • Page 1 INSTALLATION & OPERATING MANUAL BUNN-O-MATIC CORPORATION 29877.0000 12/03 ©2001 Bunn-O-Matic Corporation DUAL WITH SMART FUNNEL D IS D IS IF : IF : . CR . CR W HE W HE . SC . SC IL ED IL ED . BO .
  • 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

    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) ...

  • 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 29877 040201 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

    (g) FUNNEL SENSING COILS These are used to "receive" information from the Smart Funnel from RECIPE CARDS. (h) SCROLL BACKWARDS The upper left corner of the B in BUNN OPERATING CONTROLS ® ® can be used to scroll backwards through the function list.

  • Page 7: Initial Setup

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

  • Page 8: 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. 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 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

    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 There are three methods of programming the various brewing parameters of the Dual Smart Funnel ® Brewer. METHOD 1: ® Using a Smart Funnel and a G9-2T DBC Grinder: Certain coffee NAMES are stored in the G9-2T DBC's memory.

  • Page 12: Set New Recipe (Using A Smart Funnel And G9-2T Dbc Grinder)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE Using a Smart Funnel ® and a G9-2T DBC Grinder: This function allows the operator to set BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW TIMES, PREINFUSION TIMES and DRIP-OUT TIMES for each coffee name preset in the grinder's memory. Certain coffee NAMES are stored in the G9-2T DBC's memory.

  • Page 13: Set By-Pass Percentages

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPES (cont.) 8. Using (-) and (+), set the amount of brew water, in ounces, to be dispensed for that particular batch size. 9. When finished, press another batch size and re- peat step #8 for that size.

  • Page 14: Set Drip Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPES (cont.) 22. Using (-) and (+), set the amount of time the brew cycle will delay (after the presoak cycle shuts off) before resuming brewing. 23. When finished, press another batch size and re- peat until all three batch sizes are set.

  • Page 15: 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 16: 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 The instructions for programming the NO NAME 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 17: Review Recipes/Modify Recipes/Set Up No Name Coffee

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO NAME COFFEE FLAVORS: This function has three parts. It allows the opera- tor to view the brew settings for the various coffee names programmed into the brewer. It also allows the operator to modify (change) any of the BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW TIMES, PRE-INFUSION TIMES and DRIP-OUT TIMES for a particular coffee name pro-...

  • Page 18: Set Brew Volumes

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW OZ (SETTING OR ADJUSTING BREW VOL- UMES) This function allows adjustment of the brew vol- umes for each batch. The indicator signifies volume in ounces per batch. Procedure for modifying recipes - brew ounces: Range: 10.0 oz to 400 oz for all three batch sizes 1.

  • Page 19: Set Bypass Percentages

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) % BYPASS This function allows adjustment of the amount of water that bypasses the grounds. The number signi- fies the percentage of the brew volume which does not flow over the coffee grounds. Modifying recipes - bypass percentages: Range: 0% to 90% for all three batch sizes NOTE: If the brewer is already in the % BYPASS screen, it is not necessary to follow steps 1 through 6...

  • Page 20: Set Pulse Brew Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW: This function allows the operator to program the brewer to "pulse” the sprayhead flow on and off dur- ing a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune”...
  • Page 21 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PULSE BREW (cont.) 29877 080301 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 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 23: Enter Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew - ENTER TIMES: NOTE: No water should flow from the brewer during this set-up process. 1. This display should read 1ST ON TIME X:XX. Choose the batch size to be set by pressing the pad next to the indicator light on the left brew side.

  • Page 24: Set Preinfusion Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET PREINFUSION This function allows the operator to set an initial soaking of the grounds and a delay time, before the complete brew cycle starts. Procedure for Modifying preinfusion times: Range: On time - off to 4 minutes Off time - off to 4 minutes for all three batch sizes NOTE: If the brewer is already in the SET PREINFUSION...

  • Page 25: Set Drip Times

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) DRIP TIME (now displayed on "non" funnel lock units as well) This function allows the setting or modification of the funnel locks to stay engaged after the end of a brew cycle. This ensures that the funnel cannot be removed until after the liquid has emptied out of the funnel.

  • Page 26: Copy Settings

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) COPY SETTINGS (NO NAME COFFEE SETTINGS ONLY) This function is used to transfer all the brew settings from a NO NAME coffee flavor programmed on one side of the brewer to the other side. A NO NAME coffee is a flavor that is not in the grinder's memory or is what appears if a Smart Funnel For example, once the left side's 3 batch sizes are...

  • Page 27: Enable Ads

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ADS? This function allows the operator to choose whether or not to display the advertising message that was entered into the brewer with an AD CARD. This mes- sage will be displayed when the brewer is not in use. Procedure to Enable/Disable Ads: 1.

  • Page 28: Refill (Adjust Sensitivity)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REFILL - Range: 20 to 230 This function allows the operator to adjust the sensitivity of the refill circuit. This is mainly a trouble- shooting feature. Water in different geographical loca- tions can have different conductivities. By adjusting the sensitivity of the refill circuit, this will allow the brewer to operate under various water conditions.

  • 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 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 30: 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 31: Brew Counters (View/Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW COUNTERS This function allows the operator to track the number of brew cycles completed on the left side, the right side, and the total of both combined. There are three resettable counters, and one life counter that is not resettable.

  • Page 32: Server Detect

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVER DETECT This function allows the operator to prevent the start of a brew cycle if a Soft Heat positioned correctly on the brewer. SERVER DETECT ? Procedures to set server detect: 1. Press and hold the ® pad until the display reads SET NEW RECIPES.

  • Page 33: Test Outputs (Components)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) Testing individual components (outputs): This will allow the operator to test the operation of individual components and outputs of the brewer. The components that can be individually tested are as follows: Left Brew Valve Left Bypass Valve Left Funnel Lock...

  • Page 34: Test Servers

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS (cont.) ® 2. Place a Soft Heat server beneath each brew funnel. 3. Press and hold the ® pad until the display reads SET NEW RECIPES. Release the ® pad. Continue pressing and releasing the ® pad until SERVICE TOOLS appears.

  • Page 35: Factory Defaults (Reset)

    PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) FACTORY DEFAULTS This function allows the operator to erase all of the previously entered recipes and ad messages. Factory- set default values will replace all previous settings. Procedure to set factory defaults: 1. Press and hold the ® pad until SET NEW RECIPES appears.

  • 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 1. SMART FUNNEL not fully inserted into the funnel rails. 2. Not using a SMART FUNNEL, and the FUNNEL DETECT function is ac- tivated (on). 1. Water temperature in the tank does not meet the SET READY TEM- PERATURE.
  • Page 38 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause ® 1. Soft Heat Server was moved out of position after the brew cycle was started. 1. ON/OFF switch was pressed after the brew cycle was started. 1. Tank Heater failure 2. Triac Failure 3.
  • Page 39 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause 1. Water shut off to brewer 2. Inlet Solenoid Valve failure 3. Control Board Failure 1. Temperature Sensor Probe wire(s) broken or not making connection. 1. Temperature Sensor Probe wire(s) shorted to housing, or to each other. Page 39 Troubleshooting Procedures Check water supply shut-off...
  • Page 40 TROUBLESHOOTING (cont.) Problem Equipment will not operate. Brew cycle will not start. Automatic refill will not operate or display shows FILL TIME TOO LONG Possible Cause 1. No power or incorrect voltage. 1. No water 2. ON/OFF switch 3. Brew switch 4.
  • Page 41 TROUBLESHOOTING (cont.) Problem Automatic refill will not operate or display shows FILL TIME TOO LONG (cont.) Water flows into tank continuously with power removed from brewer. Possible Cause 3. Refill Probe or Sensitivity Setting 4. Refill Valve 5. Overflow Protection Switch 6.
  • Page 42 TROUBLESHOOTING (cont.) Problem Water flows into tank continuously with power applied to brewer. Water will not heat or display shows HEATING TIME TOO LONG Possible Cause 1. Refill Probe or Sensitivity Setting 2. Electronic Control Board 1. Limit Thermostat CAUTION - Do not eliminate or by- pass limit thermostat.
  • Page 43 TROUBLESHOOTING (cont.) Problem Water will not heat or display shows HEATING TIME TOO LONG (cont.) Spitting or unusual steaming from sprayhead or air vents. (Water too hot) Possible Cause 3. Triac 4. Electronic Control Board 1. Triac 2. Lime Buildup CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water conditions.
  • Page 44 TROUBLESHOOTING (cont.) Problem Spitting or unusual steaming from sprayhead or air vents. (Water too hot) (cont.) Inconsistent beverage level in server. Possible Cause 3. Electronic control board 1. Strainer/flow control (.750 GPM) 2. Improper water pressure 3. Brew Valve 4. Bypass Valve 5.
  • Page 45 B.O.M. sprayhead #01082.0002 should be used to properly wet the bed of ground coffee in the funnel. ® The BUNN paper filter should be centered in the funnel and the bed of ground coffee leveled by gentle shak- ing.
  • Page 46 4. Tank Heaters. Page 46 Troubleshooting Procedures Consider adjusting bypass percent- age, preinfusion, 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 Plumbing lines should not be rest- ing on the counter top.
  • Page 47 29877 080301 Page 47...

  • Page 48: Schematic Wiring Diagram

    DUAL SH DBC (W/SMART FUNNEL) LIMIT THERMOSTAT BLK-14 BLK-14 BLK-14 BLK-14 SHEILD LEFT FUNNEL SENSOR J9-1 WHI/VIO RIGHT FUNNEL SENSOR WHI/YEL J9-5 J2-1 J2-5 TEMP WHI/RED WATER LEVEL PROBE RED/BLK PROBE J2-10 BLU/BLK RESETTABLE FUSE 24VDC BLU/BLK RECTIFIER 230 VOLTS AC...

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