Dual sh dbc with smart funnel dual068000 & up (54 pages)
Summary of Contents for Bunn Dual SH BrewWISE DBC
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PHONE: (217) 529-6601 FAX: (217) 529-6644 To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the catalog. 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.
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This warranty is conditioned on the Buyer 1) giving BUNN prompt notice of any claim to be made under this warranty by telephone at (217) 529-6601 or by writing to Post Office Box 3227, Springfield, Illinois 62708-3227; 2) if requested by BUNN, shipping the defective equipment prepaid to an authorized BUNN service location;...
USER NOTICES The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 00658.0000 00831.0000 00656.0000 37881.0000 20201.5600 03408.0004 03409.0004 Page 4 29877-3 051007...
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 L1 BLACK GREEN 200 and 230 volt ac models Note: This electrical service consists of 2 current carrying conductors (L1 and L2) and a separate conductor for earth ground.
" 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.
OPERATING CONTROLS I T C (a) MAIN ON/OFF SWITCH This switch, located under the brewer behind the right front leg, turns power on and off to all components in the brewer. (b) BATCH SELECTOR SWITCHES Pressing the switch corresponding to the Small, Medium, or Large batch selects the amount of coffee to be brewed.
7. The brewer is now ready for use in accordance with the coffee brewing instructions. 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.
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.
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.
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.
DON'T KNOW YOU WILL ENTER THE NO NAME LEFT AND NO NAME RIGHT BREW SETTINGS Page 12 GO TO SET NEW RECIPE, AND FOLLOW THE INSTRUCTIONS REFER TO NAME LIST IN GRINDER MANUAL CONTACT BUNN-O-MATIC FOR ASSISTANCE P2369 29877-3 062005...
PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM Press upper right hidden switch for approximately 2 seconds, until the following screen appears. Press upper right hidden switch for approximately 4 seconds, until “UNITS” appears on screen. Sets unit of Sets unit of UNITS measure to measure to...
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PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM (Cont.) LEFT, FULL BYPASS SET ALL 3 DONE BATCHES 3 BATCHES DONE? LEFT, FULL SET PULSE BREW SET ALL 3 SET ALL 3 BATCHES X:XX LEFT, DRIP TIME X.XX FULL SET ALL 3 BATCHES DONE 3 BATCHES DONE?
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PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM (Cont.) L BYPS OZ/M XX.X DONE R BYPS OZ/M XX.X DONE CALIBRATE FLOW? BREW COUNTERS? FUNNEL DETECT DONE SERVER DETECT DONE SERVICE TOOLS SEL BREWER TYPE? ThermoF SoftHeat DONE FACTORY DEFAULTS FINISHED, returns to main screen SPRAY HEAD CAL? BYPASS CAL?
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PROGRAMMING THE BREWER (cont.) 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.
PROGRAMMING THE BREWER (cont.) SET NEW RECIPE Using a Smart Funnel and a G9-2T DBC or MHG Grinder: This function allows the operator to set BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW 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.
PROGRAMMING THE BREWER (cont.) SET NEW RECIPE (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. Continue setting all batch sizes.
BYPASS PERCENTAGES, PULSE BREW 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.
If not using a Smart Funnel (with a computer chip) and/or a G9-2T DBC or MHG Grinder, the brewer will function as a standard Bunn Dual Brewer: It is possible to operate the brewer without using a Smart Funnel and/or a G9-2T DBC or MHG Grinder.
PROGRAMMING THE BREWER (cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO NAME COFFEE: This function has three parts. It allows the operator 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, and DRIP-OUT TIMES for a particular coffee name programmed into the brewer.
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PROGRAMMING THE BREWER (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.
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PROGRAMMING THE BREWER (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 in this...
PROGRAMMING THE BREWER (cont.) SET PULSE BREW: This function allows the operator to program the brewer to "pulse” the sprayhead flow on and off con- tinually during a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune”...
PROGRAMMING THE BREWER (cont.) SET PULSE BREW (cont.) EXIT TO NEXT FUNCTION SCREEN SCREEN DISPLAYED BREW OZ: XX.XX 3 BATCHES DONE? % BYPASS XX.X 3 BATCHES DONE? SET PULSE BREW? EASY PULSE SETUP ENTER TIMES? See SET PULSE BREW- ENTER TIMES REVIEW RECIPES? NO-NAME LEFT MODIFYSHOWNEXT...
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PROGRAMMING THE BREWER (cont.) SET PULSE BREW - EASY PULSE SETUP NOTE: The procedure to enter the PULSE BREW function must be performed prior to following the steps listed below. 1. The display should read BREW TIME: X.XX and a batch size indicator will be flashing. 2.
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PROGRAMMING THE BREWER (cont.) SET PULSE BREW - ENTER TIMES NOTE: The procedure to enter the PULSE BREW function must be performed prior to following the steps listed below. 1. Press and release YES. The display should now read EASY PULSE SETUP. 2.
PROGRAMMING THE BREWER (cont.) SET PREINFUSION: This function sets the brewer to turn the sprayhead flow on for a preset time (1st ON TIME) followed by a preset spray pause (OFF TIMES) and then turn the spray on continuously until the brew volume is completed. This is a special case of pulse brew.
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PROGRAMMING THE BREWER (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.
PROGRAMMING THE BREWER (cont.) ASSIGN RECIPES This function allows for assigning a coffee name other than NO-NAME to the BREW switch. Procedure to assign recipes: 1. Press and hold the upper right hidden switch until the display reads UNITS. Release the switch. Press and release switch until the display reads ASSIGN RECIPE ?.
PROGRAMMING THE BREWER (cont.) COPY SETTINGS (NO NAME COFFEE SETTINGS ONLY) (cont.) 2. Press YES in this screen. The display should read LEFT ->->-> RIGHT. 3. If the initial programming was done on the left side of the brewer, press YES. The display will read ARE YOU SURE? 4.
PROGRAMMING THE BREWER (cont.) SET TEMP (cont.) 2. To adjust the brew temperature, press (-) to de- crease or (+) to increase the brew temperature. 3. When finished, press and release DONE to save the new setting, exit the SET TEMP function and advance to the next function screen, SET READY.
PROGRAMMING THE BREWER (cont.) SPRAY OZ/M (cont.) Procedure to adjust the flow rate setting: 1. Press and hold upper right hidden switch until the display reads UNITS. Release switch. Continue to press and release switch until the display reads L SPRY OZ/M. The number represents what the brewer thinks is the flow rate of the sprayhead in ounces per minute.
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PROGRAMMING THE BREWER (cont.) CALIBRATE FLOW (cont.) to advance to the next function screen, or press and release either ON/OFF switch located on the front switch panel to exit the CALIBRATE FLOW function and return to the MAIN SCREEN. 9. Repeat steps 1 - 8 when calibrating the other side.
PROGRAMMING THE BREWER (cont.) CALIBRATE FLOW (cont.) CALIBRATE FLOW? EXIT TO THE NEXT FUNCTION SCREEN SPRAYHEAD CAL? BYPASS CAL? CONTAINER RDY? CALIBRATE BYPASS PRESS BREW START BREW PRESSED COUNTS DOWN CALIBRATE BYPASS TO ZERO 60 SEC TO FINISH AFTER 1 MINUTE LEFT OZ XX.X Left or Right DONE...
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PROGRAMMING THE BREWER (cont.) BREW COUNTERS (cont.) 5. When finished, press NEXT to advance counter screens until the display reads BREW COUN- TERS. Press and release NO to advance to the next function screen, or press and release either ON/OFF switch on the front switch panel to exit the BREW COUNTERS function and return to the MAIN SCREEN.
PROGRAMMING THE BREWER (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 Soft Heat server's status on the brewer (in place or removed), and the funnel sensor coil's frequency (diagnostic tool for troubleshooting purposes only).
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PROGRAMMING THE BREWER (cont.) SERVICE TOOLS (cont.) Procedure to test components (outputs): 1. Place brew funnels into rails on both sides of brewer. 2. Place a Soft Heat server beneath each brew fun- nel. 3. Press and hold the upper right hidden switch until display reads UNITS.
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PROGRAMMING THE BREWER (cont.) SERVICE TOOLS (cont.) front of the brewer except the upper right hidden switch. While the switch is pressed, the display shows the name of that switch. If the name does not appear, or if it remains after the switch has been released, the switch is defective.
PROGRAMMING THE BREWER (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. SEL BREWER TYPE? ThermoF SoftHeat DONE FACTORY DEFAULTS EXIT WILL REPLACE ALL BREW SETTINGS ARE YOU SURE?
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.
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TROUBLESHOOTING (cont.) Screen Displayed NO FUNNEL PRESENT TEMPERATURE TOO LOW CHECK FUNNEL FOR FRESH COFFEE PRESS BREW TO BREW ANYWAY BREW STOPPED! FUNNEL REMOVED? TO FINISH: PRESS BREW TO CANCEL PRESS ON/OFF Possible Cause 1. SMART FUNNEL not fully inserted into the funnel rails.
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TROUBLESHOOTING (cont.) Screen Displayed BREW STOPPED! SERVER REMOVED? TO FINISH: PRESS BREW TO CANCEL PRESS ON/OFF BREW STOPPED! IS SWITCH OFF? TO FINISH: PRESS BREW TO CANCEL PRESS ON/OFF HEATING TIME TOO LONG CHECK HEATING CIRCUIT Possible Cause 1. Soft Heat Server was moved out of position after the brew cycle was started.
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TROUBLESHOOTING (cont.) Screen Displayed FILL TIME TOO LONG CHECK WATER SUPPLY TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS TEMP SENSOR OUT OF RANGE CHECK WIRE FOR SHORTS Possible Cause 1. Water shut off to brewer 2. Inlet Solenoid Valve failure 3.
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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.
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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 Set- ting 4. Refill Valve 5. Overflow Protection Switch 6.
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TROUBLESHOOTING (cont.) Power 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 Set- ting 2. Electronic Control Board 1. Limit Thermostat CAUTION - Do not eliminate or bypass limit thermostat.
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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 condi-...
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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.
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Adjust the brew volume as required to achieve the recommended volume for each brew cycle. Repair or replace leaky valve. BUNN paper filters should be used for proper extraction. Check sprayhead The brew cycle should be started only with an empty server under the funnel.
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4. Tank Heaters. Page 51 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 resting on the counter top.