Bunn DUAL SH DBC Installation And Operating Manual
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Bunn DUAL SH DBC Installation And Operating Manual

With smart funnel s/n dual068000 & up
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See also: Programming Manual , Operating Manual
INSTALLATION & OPERATING MANUAL
29877.0003A 06/05 ©2005 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
S/N DUAL068000 & UP
E R
E R
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IO
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C A
C A
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D IS
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IF :
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AC
HE
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PT
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. CR
. CR
TC
TC
DR
DR
N
N
EM
EM
AM
AM
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W HE
W HE
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IC
IC
. SC
. SC
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. BO
. BO
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EN
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T S
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IN
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JU
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K S
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N T
N T
RP
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OR
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R IS
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19
19
85
85
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R E
IL U
IL U
FA
FA
8
8
: 65
: 65
PN
PN
®
SH DBC
www.bunnomatic.com
®

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  • Page 1 . US . US R IS R IS IL U IL U : 65 : 65 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 29877.0003A 06/05 ©2005 Bunn-O-Matic Corporation...
  • Page 2 BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specifi ed below: 2 years parts and 1 year labor. 2) Electronic circuit and/or control boards: parts and labor for 3 years.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS User Notices ..........................4 Electrical Requirements ......................5 Plumbing Requirements ......................6 Operating Controls ........................7 Initial Setup and Coffee Brewing ....................8 Cleaning ............................9 Glossary ............................10 PROGRAMMING ........................11 Programming Switches ......................11 Programming the Brewer ......................12 PROGRAM FUNCTIONS (LEVEL 1) Brew Lockout .........................12 Recipe Programing Methods ....................13 Flow Diagram ..........................14 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 03408.0004 03409.0004 29877-3 062005 Page 4...

  • Page 5: Electrical Requirements

    ELECTRICAL REQUIREMENTS WARNING - The brewer must be disconnected from the power source until specifi ed 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...

  • 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 fl ow.

  • Page 7: Operating Controls

    OPERATING CONTROLS OPERATING CONTROLS (a) BATCH SELECTOR SWITCHES Pressing the switch corresponding to the Small, Medium, or Large batch selects the amount of coffee to be brewed. Pressing a different switch after a brew cycle has been initiated does not change the brew batch in progress.

  • 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. 2. Check and clean the sprayhead. Use the pointed end of sprayhead cleaning tool (#38227.0000) to remove any mineral deposits from the sprayhead holes.

  • 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

    PROGRAMMING Using the menu-driven display on the front of the brewer, the operator has the ability to alter or modify various brewing parameters such as brew temperatures, brew volumes, bypass percentages, etc. This allows for the precise brewing of various fl avors of coffee. Programming of the brewer is achieved by entering a certain function.

  • 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: Recipe Programing Methods

    METHOD 2: There are three methods of programming the Using a RECIPE CARD to enter all of the brew set- various brewing parameters of the DUAL SH DBC with tings at one time: Smart Funnel Brewer. If using a coffee name not in the grinder's memory,...

  • Page 13: Flow Diagram

    PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM LEVEL 1 Press upper right hidden switch for approximately 2 seconds, until the following screen appears. BREW LOCKOUT? DONE Returns to normal operating mode LEVEL 2 Press upper right hidden switch for approximately 4 seconds, until “UNITS” appears on screen. Sets unit of Sets unit of UNITS...
  • Page 14 PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM (Cont.) LEFT, RIGHT, FULL FULL BYPASS EASY PULSE SETUP TRANSFER SET ALL 3 SET ALL 3 COMPLETE DONE BATCHES BATCHES ENABLE ADS? BREW TIME: X:XX 3 BATCHES DONE? DONE DONE 3 BATCHES DONE? SET TEMP: 200°F LEFT, RIGHT,...
  • Page 15 PROGRAMMING THE BREWER (cont.) PROGRAM FLOW DIAGRAM (Cont.) LEFT BREW VALVE NEXT L BYPS OZ/M XX.X SPRAY HEAD CAL? DONE LEFT BYPASS NEXT BYPASS CAL? R BYPS OZ/M XX.X DONE LEFT FUNNEL LOCK NEXT CALIBRATE FLOW? CONTAINER RDY? CONTAINER RDY? QUIT QUIT LEFT SERVER...
  • Page 16 PROGRAMMING THE BREWER (cont.) UNITS (SETTING UNITS OF MEASURE) 2. Press DONE to proceed. The display should now This function allows the units of measure to be read CHANGING UNITS!! WILL ERASE!! ... ALL set in English or Metric readings for all screens. The PREVIOUSLY STORED RECIPES AND ALL SETUP program is defaulted to English.

  • Page 17: Set New Recipe (Using A Smart Funnel And G9-2T Dbc Or Mhg Grinder)

    PROGRAMMING THE BREWER (cont.) SET NEW RECIPE Procedure for Setting the Recipe: Using a Smart Funnel and a G9-2T DBC or MHG NOTE: Before beginning setup, place a server beneath Grinder: the left brew funnel. This function allows the operator to set BREW 1.

  • Page 18: Set Drip Times

    PROGRAMMING THE BREWER (cont.) SET NEW RECIPE (cont.) 8. Using (-) and (+), set the amount of brew water, in with the setup instructions for SETTING PULSE ounces, to be dispensed for that particular batch BREW - ENTER TIMES. SET DRIP TIME. (Refer size.

  • Page 19: Set New Recipe (Using A Recipe Card)

    Using a RECIPE CARD to load coffee names and brew desired to exit the setup before the settings are settings into the Dual SH DBC with Smart Funnel: loaded into the brewer's memory, press QUIT. The The G9-2T DBC or MHG's memory contains certain display will read (COFFEE NAME) NOT SAVED.

  • Page 20: Set New Recipe (No Smart Funnel Nor G9-2T Dbc Or Mhg Grinder)

    PROGRAMMING THE BREWER (cont.) SET NEW RECIPES (cont.) SET NEW RECIPE: REVIEW RECIPES? If not using a Smart Funnel (with a computer chip) and/or a G9-2T DBC or MHG Grinder, the brewer will EXIT TO function as a standard Bunn Dual Brewer: NEXT FUNCTION SCREEN It is possible to operate the brewer without using...

  • Page 21: Review Recipes/Modify Recipes/Set Up No Name Coffee

    PROGRAMMING THE BREWER (cont.) REVIEW RECIPES/MODIFY RECIPES/SET UP NO 2. Press YES to proceed. The display should now NAME COFFEE: read NO-NAME LEFT, along with MODIFY, SHOW This function has three parts. It allows the operator and NEXT. to view the brew settings for the various coffee names 3.
  • Page 22 PROGRAMMING THE BREWER (cont.) Press and release the batch size to be modifi ed. BREW OZ (SETTING OR ADJUSTING BREW VOL- UMES) 5. Using (-) and (+), set the amount of brew water, This function allows adjustment of the brew vol- in ounces, to be dispensed over the grounds for umes for each batch.
  • Page 23 PROGRAMMING THE BREWER (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 24: Set Pulse Brew Times

    PROGRAMMING THE BREWER (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 fl ow on and off con- Off time - off to 4 minutes tinually during a brew cycle (start and stop the fl...

  • Page 25: Easy Pulse

    PROGRAMMING THE BREWER (cont.) SET PULSE BREW (cont.) REVIEW RECIPES? EXIT TO NEXT FUNCTION SCREEN NO-NAME LEFT 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? <RECIPE NAME>...
  • Page 26 PROGRAMMING THE BREWER (cont.) SET PULSE BREW - EASY PULSE SETUP 3. When fi nished, select another batch size to be set by pressing the switch next to the indicator light. NOTE: The procedure to enter the PULSE BREW Repeat step 2 for each batch size to be set. function must be performed prior to following the 4.
  • Page 27 PROGRAMMING THE BREWER (cont.) SET PULSE BREW - ENTER TIMES NOTE: The procedure to enter the PULSE BREW SET 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.

  • Page 28: Set Preinfusion

    PROGRAMMING THE BREWER (cont.) NOTE: Pressing the upper right hidden button before SET PREINFUSION: reaching the fi nal setting screen exits the setup and This function sets the brewer to turn the sprayhead retains the old values. fl ow 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.
  • Page 29 PROGRAMMING THE BREWER (cont.) 11. When fi nished, press another batch size and repeat DRIP TIME (now displayed on "non" funnel lock step 10 until all three sizes are set. units as well) 12. When fi nished, press DONE. The display should This function allows the setting or modifi...

  • Page 30: Assign Recipes

    PROGRAMMING THE BREWER (cont.) COPY SETTINGS (NO NAME COFFEE SETTINGS ASSIGN RECIPES ONLY) This function is used to transfer all the brew set- This function allows for assigning a coffee name tings from a NO NAME coffee fl avor programmed other than NO-NAME to the BREW switch.

  • Page 31: Enable Ads

    PROGRAMMING THE BREWER (cont.) 4. When fi nished, press and release DONE to save COPY SETTINGS (NO NAME COFFEE SETTINGS ONLY) the new setting, exit the ENABLE ADS function and (cont.) advance to the next function screen, SET TEMP. Another alternative is to press and release either 2.

  • Page 32: Set Ready (Ready Temperature)

    PROGRAMMING THE BREWER (cont.) SET TEMP (cont.) REFILL - Range: 20 to 230 This function allows the operator to adjust the 2. To adjust the brew temperature, press (-) to de- sensitivity of the refi ll circuit. This is mainly a trouble- crease or (+) to increase the brew temperature.

  • Page 33: Bypass Oz/M (Read Bypass Fl Ow Rate)

    PROGRAMMING THE BREWER (cont.) SPRAY OZ/M (cont.) release DONE to advance to next function screen, Procedure to adjust the fl ow rate setting: CALIBRATE FLOW. Another alternative is to press 1. Press and hold upper right hidden switch until the and release either ON/OFF switch located on the display reads UNITS.

  • Page 34: Calibrate Bypass Flow

    PROGRAMMING THE BREWER (cont.) CALIBRATE FLOW (cont.) Procedures to calibrate the bypass fl ow rate: to advance to the next function screen, or press 1. Place a container, accurately graduated in ounces, and release either ON/OFF switch located on the and with a minimum capacity of 60 ounces, below front switch panel to exit the CALIBRATE FLOW the funnel on the brewer to be calibrated.

  • Page 35: Brew Counters (View/Reset)

    PROGRAMMING THE BREWER (cont.) BREW COUNTERS CALIBRATE FLOW (cont.) This function allows the operator to track the number of brew cycles completed on the left side, the CALIBRATE FLOW? right side, and the total of both combined. There are three resettable counters, and one life counter that is not resettable.
  • Page 36 PROGRAMMING THE BREWER (cont.) BREW COUNTERS (cont.) SERVER DETECT This function allows the operator to prevent the start 5. When fi nished, press NEXT to advance counter of a brew cycle if a Soft Heat server is not positioned screens until the display reads BREW COUN- correctly on the brewer.

  • Page 37: Service Tools

    PROGRAMMING THE BREWER (cont.) SERVICE TOOLS The components that can be individually tested are as follows: This function allows the testing of individual com- Left Brew Valve ponents and the ability to check switches for proper Left Bypass Valve function. This function also tests the Soft Heat server's Left Funnel Lock status on the brewer (in place or removed), and the Left Server...
  • Page 38 PROGRAMMING THE BREWER (cont.) SERVICE TOOLS (cont.) is functional, the sound of the valve operating will be heard. Procedure to test components (outputs): 21. Press OFF to end testing of refi ll valve. 1. Place brew funnels into rails on both sides of 22.
  • Page 39 PROGRAMMING THE BREWER (cont.) SERVICE TOOLS (cont.) Procedures to test coil frequency: 1. Place brew funnels into rails on both sides of front of the brewer except the upper right hidden brewer. switch. While the switch is pressed, the display 2.

  • Page 40: Factory Defaults (Reset)

    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?

  • Page 41: 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 qualifi ed service personnel.
  • Page 42 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 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. Disable the FUNNEL DETECT func- 2.
  • Page 43 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures 1. Soft Heat Server was moved out To resume brewing, correctly BREW STOPPED! of position after the brew cycle was position the Soft Heat Server and SERVER REMOVED? started. press BREW again. The brew cycle resumes from the point it was inter- rupted.
  • Page 44 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause Troubleshooting Procedures Check water supply shut-off 1. Water shut off to brewer FILL TIME TOO LONG Service required 2. Inlet Solenoid Valve failure Service required 3. Control Board Failure CHECK WATER SUPPLY Check wire and connection of both 1.
  • Page 45 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure 1. No power or incorrect voltage. Measure the voltage at the terminal Equipment will not operate. block and confi rm that it matches the voltage specifi ed on the brewer data plate within +/- 10%. 1.
  • Page 46 TROUBLESHOOTING (cont.) Problem Possible Cause Troubleshooting Procedure 3. Refi ll Probe or Sensitivity Set- Check the sensitivity setting. Refer to Automatic refi ll will not operate or ting Refi ll function. If the left three digit display shows FILL TIME TOO LONG number is less than the right number, (cont.) the machine “thinks”...
  • Page 47 TROUBLESHOOTING (cont.) Power Possible Cause Troubleshooting Procedures Water fl ows into tank continuously 1. Refi ll Probe or Sensitivity Set- Check the sensitivity setting. Refer to with power applied to brewer. ting Refi ll function. If the left three digit number is less than the right number, the machine “thinks”...
  • Page 48 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 Individual Components.
  • Page 49 TROUBLESHOOTING (cont.) Possible Cause Troubleshooting Procedures Problem Perform the previous procedure 3. Electronic control board Spitting or unusual steaming from for testing triacs. If the voltage sprayhead or air vents. (Water too measured is very low or zero, then hot) (cont.) substitute a control board known to be in good working order.
  • Page 50 TROUBLESHOOTING (cont.) Troubleshooting Procedures Problem Possible Cause Consistently high or low beverage 1. Brew Volume adjustment Adjust the brew volume as required level in server. to achieve the recommended volume for each brew cycle. Dripping from sprayhead. 1. Brew Valve Repair or replace leaky valve.
  • Page 51 Troubleshooting Procedures Consider adjusting bypass percent- 6. Incorrect Recipe Weak beverage (cont.) age, preinfusion, or pulse brew. Contact Bunn-O-Matic for sugges- tions. The nut on back of the solenoid 1. Solenoid (Inlet) Brewer is making unusual noises. must be tight or it will vibrate during...
  • Page 52 29877-3 062005 Page 52...

  • Page 53: Schematic Wiring Diagram

    SCHEMATIC WIRING DIAGRAM DUAL SH DBC (W/SMART FUNNEL) GRN/YEL FILTER THERMAL THERMAL TRIAC SAFETY FUSE SAFETY FUSE LIMIT THERMOSTAT RIGHT BLK-14 BLK-14 BLU-14 TANK HEATER THERMAL THERMAL TRIAC SAFETY FUSE SAFETY FUSE LEFT BLK-14 BLK-14 BLU-14 TANK HEATER TOUCH SWITCH ASSEMBLY...
  • Page 54 SCHEMATIC WIRING DIAGRAM DUAL SH DBC (W/SMART FUNNEL) GRN/YEL FILTER THERMAL THERMAL TRIAC SAFETY FUSE SAFETY FUSE LIMIT THERMOSTAT RIGHT BLK-14 BLK-14 BLU-14 TANK HEATER THERMAL THERMAL TRIAC SAFETY FUSE SAFETY FUSE LEFT BLU-14 BLK-14 BLK-14 TANK HEATER TOUCH SWITCH ASSEMBLY...

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