Bunn S/N DUAL068000 manuale d’uso

WITH SMAR T FUNNEL ® INST ALLA TION & OPERA TING MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o 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. Cont[...]

Page 2 29877-3 110107 INTRODUCTION The brewer incorporates a wireless inter face system that allows the DBC Grinder to load certain information into the "programming tag" located inside the handle of the funnel. This information includes what flavor of coffee is being ground and what batch size will be brewed (small, medium, or large). O[...]

Page 3 T ABLE OF CONTENTS User Notices ...............................................................................................................................4 Electrical Requirements ..............................................................................................................5 Plumbing Requirements ........................[...]

Page 4 00656.0000 00831.0000 00658.0000 20201.5600 USER NOTICES The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 37881.0000 This equipment must be installed to comply with the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Adminis- tration[...]

Page 5 ELECTRICAL HOOK-UP (Models without power cord) CAUTION – Improper electrical installation will damage electronic components. Damage caused by incorrect electrical connections is not covered by warranty . 1. An electrician must provide electrical ser vice as specified in conformance with all local, state and federal electrical codes. 2. Us[...]

Page 6 CE REQUIREMENTS • This appliance must be installed in locations where it can be overseen by trained personnel. • For proper operation, this appliance must be installed where the temperature is between 0°C to 35°C. • Appliance shall not be tilted more than 10° for safe operation. • An electrician must provide electrical service as [...]

Page 7 b b c c d d e f g OPERA TING CONTROLS OPERA TING CONTROLS (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) BA TCH SELECTOR SWITCHES Pressing the switch corresponding to the Small, Medium, or Large batch selects the amount of coffee to be brew[...]

Page 8 29877-3 062005 INITIAL SETUP CAUTION: The brewer must be disconnected from the power sour ce throughout the initial setup, except when specified in the instructions. 1. Insert an empty funnel into the funnel rails of one of the brew stations. 2. Place an empty server under the funnel. 3. Connect the brewer to the power source. W ater will b[...]

Page 9 GLOSSAR Y 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 . BYP ASS: The process of diverting a portion of the brew water t[...]

Page 10 PROGRAMMING Using the men u-driven displ ay on the front of the brewer , the ope rator has the abil ity to alter or mod ify various brewing parameters such as brew temperatures, brew volumes, bypass percentages, etc. This allows for the precise brewing of various flavors of coffee. Prog rammi ng of t he bre wer is achi eved b y ente ring a[...]

Page 11 MAIN SCREEN This scree n will be shown when the brewer is ready for use. The screen displays the water temperature in the tank. When the water in the tank reaches the correct set temperature, the display will change from HEA TING to READY TO BREW . PROGRAMMING LOCKOUT SWITCH (mounted on main control board) This switch can be set to prevent [...]

Page 12 PROGRAMMING THE BREWER (cont.) RECIPE PROGRAMING METHODS There are three methods of programming the various brewing parameters of the DUAL SH DBC with Smart Funnel Brewer . METHOD 1: Using a Smart Funnel and a G9-2T DBC or MHG Grinder: Certain coffee NAMES are stored in the G9-2T DBC or MHG's memory . When a particular name of coffee i[...]

Page 13 LEVEL 1 Press upper right hidden switch for approximately 2 seconds, until the following screen appears. LEVEL 2 Press upper right hidden switch for approximately 4 seconds, until “UNITS” appears on screen. Returns to normal operating mode BREW LOCK OUT? NO DONE YES PROGRAM FLOW DIAGRAM LEFT<-<-<-<-<-<-RIGHT NO YES Ret[...]

Page 14 % BYP ASS XX (-) DONE (+) 3 BA TCHES DONE? NO YES SET PULSE BREW FULL 1/2 1/4 LEFT , SET ALL 3 BA TCHES FULL 1/2 1/4 RIGHT , SET ALL 3 BA TCHES 3 BA TCHES DONE? NO YES DRIP TIME X.XX (-) DONE (+) NO-NAME LEFT SETUP COMPLETE Continue to (B) (C) EASY PULSE SETUP NO YES ENTER TIMES NO YES BREW TIME: X:XX NO YES 3 BA TCHES DONE? NO YES NO-NAME [...]

Page 15 L BYPS OZ/M XX.X (-) DONE (+) R BYPS OZ/M XX.X (-) DONE (+) CALIBRA TE FLOW? NO YES BREW COUNTERS? NO YES FUNNEL DETECT NO DONE YES SERVICE TOOLS NO YES SEL BREWER TYPE? NO YES (F) FINISHED, returns to main screen LEFT 0 NEXT RESET RIGHT 0 NEXT RESET L+R 0 NEXT RESET L+R 0 NEXT TEST OUTPUTS? NO YES TEST SWITCHES? NO YES TEST SERVERS? NO YES[...]

Page 16 UNITS METRIC DONE ENG CHANGING UNITS WILL!! ERASE!! ALL PREVIOUSL Y ST ORED RECIPES AND ALL SETUP INFO WIL BE LOST! ARE Y OU SURE? YES NO SELECTS METRIC AS THE UNIT OF MEASURE REPLACE EXIT SELECTS ENGLISH AS THE UNIT OF MEASURE UNITS (SETTING UNITS OF MEASURE) This function allows the units of measure to be set in English or Metric readings[...]

Page 17 MUST GRIND INT O FUNNEL FIRST (COFFEE NAME) SETUP COMPLETE BEGIN SETUP OF (COFFEE NAME) QUIT SETUP? YES USE LEFT SIDE ONL Y INSERT FUNNEL WITH NEW NAME REVIEW RECIPES? NO YES (COFFEE NAME) NO YES 3 BA TCHES DONE? NO YES SET NEW RECIPE? NO YES 2 SEC. CYCLES THROUGH THREE SCREENS 2 SEC. FUNNEL CONT AINS NAME FUNNEL CONT AINS NO NAME SETUP BRE[...]

Page 18 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. 10. When finished setting all batch sizes, press and release [...]

Page 19 SET NEW RECIPES (cont.) PROGRAMMING THE BREWER (cont.) SET NEW RECIPE: Using a RECIPE CARD to load coffee names and brew settings into the Dual SH DBC with Smart Funnel: The G9-2T DBC or MHG 's me mory cont ains certain coffee names. If the operator uses a coffee name that is not already stored in the grinder's memor y , a RECIPE [...]

Page 20 PROGRAMMING THE BREWER (cont.) SET NEW RECIPES (cont.) SET NEW RECIPE: 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 . If a standard funnel, or [...]

Page 21 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, BYP ASS PERCENT AGES, PULSE BREW TIMES, and DRIP-OUT TIMES for a particular cof[...]

Page 22 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. Press and hold upper right hidden switch (®) until the display reads UN[...]

Page 23 % BYP ASS 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 % BYP ASS screen, it is n[...]

Page 24 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” the brewer for specific flavor profiles. Pulse brewing can be set up for [...]

Page 25 EXIT TO NEXT FUNCTION SCREEN PRESS DONE YES DONE YES SCREEN DISPLA YED BREW OZ: XX.XX 3 BA TCHES DONE? % BYP ASS XX.X 3 BA TCHES DONE? ADV ANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER'S MEMORY WHEN THE LAST COFFEE NAME IN THE BREWER'S MEMORY IS DISPLA YED, PRESSING NEXT WILL EXIT AND THE DISPLA Y WILL THEN READ: See SE[...]

Page 26 SET PULSE BREW - EASY PULSE SETUP NOTE: The procedure to enter the PULSE BREW function must be per formed 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. Using (-) and (+), set the desired brew time for the selected batch size. 5 SEC. DELA Y SET PULSE BR[...]

Page 27 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. Press and release NO . The display will read ENTER TIMES? 3. Press YES to proceed. The display should now read 1st ON TIM[...]

Page 28 SET PREINFUSION: This function sets the brewer to turn the sprayhead flow on for a preset time (1st ON TIME) followed by a pre set spray pa use (OFF TIM ES) and then turn the spray on continuously until the brew volume is completed. This is a special case of pulse brew . It is not pos- sible to set a batch size to have both pulse brew and [...]

Page 29 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. Procedure to modify drip times: Range: OFF to 10 minu[...]

Page 30 COPY SETTINGS (NO NAME COFFEE SETTINGS ONL Y) This function is used to transfer all the brew set- tings 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 ® is not used. For example, once the left s[...]

Page 31 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. If you are sure that the data should be transferred from left to right, press YES . The display will then read TRANSFER COMPLETE , and wi[...]

Page 32 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 wate[...]

Page 33 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. 2. If the actual flow rate o[...]

Page 34 P2608 to advance to the next function screen, or press and release either ON/OFF switch located on the front switch panel to exit the CALIBRA TE FLOW function and return to the MAIN SCREEN. 9. Repeat steps 1 - 8 when calibrating the other side. NEW L SPR Y FLOW XX.X OZ/M LEFT OZ XX.X (-) DONE (+) CALIBRA TE FLO W? NO YES SPRA YHEAD CAL? NO [...]

Page 35 P2609 LEFT OZ XX.X (-) DONE (+) NEW L BYPS FLO W XX.X OZ/M L or R Left or Right EXIT TO THE NEXT FUNCTION SCREEN COUNTS DOWN TO ZERO BREW PRESSED AFTER 1 MINUTE CALIBRA TE FLO W? NO YES CONT AINER RD Y? NO YES CALIBRA TE BYP ASS PRESS BREW ST AR T CALIBRA TE BYP ASS 60 SEC TO FINISH BYP ASS CAL? NO YES SPRA YHEAD CAL? NO YES CALIBRA TE FLOW[...]

Page 36 Procedure to set funnel detect: 1. Press and hold the upper right hidden switch until display reads UNITS . Release the switch. Continue to press and release switch until display reads FUNNEL DETECT . 2. NO or YES should be flashing to indicate the cur - rent setting. 4. Select YES to prevent brewing if a Smart Funnel is not correctly situ[...]

Page 37 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). T esting individual[...]

Page 38 SERVICE TOOLS (cont.) is functional, the sound of the valve operating will be heard. 21. Press OFF to end testing of refill valve. 22. Press NEXT to advance to the next component to be tested. 23. T o test T ANK HEA TERS , connect a voltmeter across each of the tank heaters to check for voltage. 24. Press ON . The correct voltage should be[...]

Page 39 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 a ppear , or if it remains after the swit ch has been released, the switch is defective. Each switch can be tested in this manner . 9. After all switches have been teste[...]

Page 40 F ACTORY DEF AUL TS This function allows the operator to erase all of the previously entered recipes and ad messages. Factor y- set default values will replace all previous settings. EXIT EXIT REPLACE WILL REPLA CE ALL BREW SETTINGS ARE Y OU SURE? NO YES F A CT OR Y DEF A U L T S NO YES ThermoF SoftHeat DONE SEL BREWER TYPE? NO YES P2312 Pr[...]

Page 41 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 T echnical Service Department. • Inspection, testing, and repair of electrical equipment should be per formed only[...]

Page 42 TROUBLESHOOTING (cont.) Screen Displayed Possible Cause T roubleshooting Procedures NO FUNNEL PRESENT TEMPERA TURE TOO LOW 1. SMAR T FUNNEL not fully inserted into the funnel rails. 2. Not using a SMAR T FUNNEL , and the FUNNEL DETECT function is activated (on). 1. Water temperature in the tank does not meet the SET READY TEMPERA TURE. 1. B[...]

Page 43 TROUBLESHOOTING (cont.) T roubleshooting Procedures Possible Cause Screen Displayed TO CANCEL PRESS ON/OFF TO FINISH: PRESS BREW BREW STOPPED! SERVER REMOVED? 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. T ank Heater failure 2. T riac Failur[...]

Page 44 TROUBLESHOOTING (cont.) T roubleshooting Procedures Possible Cause Screen Displayed CHECK WA TER SUPPL Y FILL TIME TO O LONG 1. Water shut off to brewer 2. Inlet Solenoid Valve failure 3. Control Board Failure 1. T e mper atur e Senso r Prob e w ire( s) broken or not making connection. 1. T emperature Sensor Probe wire(s) shorted to housing[...]

Page 45 Equipment will not operate. Brew cycle will not start. Automatic refill will not operate or display shows FILL TIME TOO LONG 1. No power or incorrect voltage. 1. No water 2. ON/OFF switch 3. Brew switch 4. Brew Valve 5. Electronic Control Board 1. No water 2. Water strainer/flow control (.750 GPM) Measure the voltage at the terminal block[...]

Page 46 T roubleshooting Procedure TROUBLESHOOTING (cont.) Problem Possible Cause Automatic refill will not operate or display shows FILL TIME TOO LONG (cont.) Water flows into tank continuously with power removed from brewer . 3. Refill Probe or Sensitivity Set- ting 4. Refill Valve 5. Overflow Protection Switch 6. Electronic Control Board 1.[...]

Page 47 TROUBLESHOOTING (cont.) Possible Cause T roubleshooting Procedures Chec k t he sensiti vity settin g. Refer to Refill function. If the left three digit num ber is less t han the rig ht numbe r , the machine “thinks” it is full and the refill valve should be off. If the left number is larger than the right, then the refill valve will [...]

Page 48 TROUBLESHOOTING (cont.) Problem Possible Cause T roubleshooting Procedures Remove power from the brewer . Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to T esting Individual Components . If the full supply voltage is measured when the tank heater is turned on, and zero voltage is measured with th[...]

Page 49 TROUBLESHOOTING (cont.) Problem Possible Cause T roubleshooting Procedures 3. Electronic control board 1. Strainer/flow control (.750 GPM) 2. Improper water pressure 3. Brew Valve 4. Bypass Valve 5. Lime buildup Perform the previous procedure for testing triacs. If the voltage measured is ver y low or zero, then substitute a control board k[...]

Page 50 TROUBLESHOOTING (cont.) Problem Possible Cause T roubleshooting Procedures Adjust the brew volume as required to ach ieve the r ecomm ende d v olum e 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 t[...]

Page 51 TROUBLESHOOTING (cont.) Problem Possible Cause T roubleshooting Procedures Weak beverage (cont.) Brewer is making unusual noises. 6. Incorrect Recipe 1. Solenoid (Inlet) 2. Plumbing lines 3. Water Supply 4. T ank Heaters. Consider adjusting bypass per cent- age, preinfusion, or pulse brew . Contact Bunn-O-Matic for sugges- tions. The nut on[...]

Page 52 White Strip-T ac Plus Black Ink Finished Size: 8.5" x 11.0" ~77% Reduction 29876.0000D 01/07 © 2001 BUNN-O-MA TIC CORPORATION 120/208 OR 120/240 VO L T A.C. + GND SINGLE PHASE GRN N L1 BLK-14 RED-14 RED-14 RED-14 RED-14 RED-14 BLK-14 BLK-14 MODELS WITH MAIN ON/OFF SWITCH ONL Y WHI WHI L2 RED BLK SCHEMA TIC WIRING DIAGRAM DUAL SH [...]

Page 53 RED RED RED RED 29876.0001A 08/02 © 2002 BUNN-O-MA TIC CORPORATION 230 VOL TS AC 2 WIRE SINGLE PHASE 50HZ THERMAL SAFETY FUSE THERMAL SAFETY FUSE THERMAL SAFETY FUSE THERMAL SAFETY FUSE RED RED RESETTABLE FUSE SCHEMA TIC WIRING DIA GRAM DU AL SH DBC (W/SMAR T FUNNEL) RIGHT TA NK HEATER LEFT TA NK HEATER TRIAC TRIAC TEMP PROBE BLK BLK BLU/B[...]

Page 54 RED RED RED RED 29876.0003A 06/04 © 2004 BUNN-O-MA TIC CORPORATION THERMAL SAFETY FUSE THERMAL SAFETY FUSE THERMAL SAFETY FUSE THERMAL SAFETY FUSE RED RED RESETT ABLE FUSE SCHEMA TIC WIRING DIA GRAM DU AL SH DBC (W/SMAR T FUNNEL) RIGHT TA NK HEATER LEFT TA NK HEATER TRIAC TRIAC TEMP PROBE BLK BLK BLU/BLK BLU/BLK BLK BLU/BLK BLK BLU/BLK BRN[...]