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  5. Installation And Operaing Instructions

Bunn DUAL SH DBC Installation And Operaing Instructions

Manual is about: WITH SMART FUNNEL S/N DUAL068000 & UP

Summary of DUAL SH DBC

  • Page 1

    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 to ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, please visit the bunn-o-matic ...

  • Page 2

    Page 2 29877 012609 introduction the brewer incorporates a wireless interface 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...

  • Page 3

    Page 3 table of contents user notices ...............................................................................................................................4 electrical requirements ................................................................................................................

  • Page 4: Main On/off

    Page 4 user notices the notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 29877 022509 00656.0000 00986.0000 00658.0000 20201.5600 37881.0000 this equipment must be installed to comply with the international plumbing code of the international code council...

  • Page 5

    Page 5 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. 200 and 230 volt ac models note: this electrical service consist...

  • Page 6

    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 5°c to 35°c. • appliance shall not be tilted more than 10° for safe operation. • an electric...

  • Page 7

    Page 7 b b c c d d e f g operating controls operating 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) batch selector switches pressing the switch corresponding to the small, medium, or large...

  • Page 8

    Page 8 initial setup caution: the brewer must be disconnected from the power source 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 t...

  • Page 9

    Page 9 29877 120203 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. Bypa...

  • Page 10

    Page 10 29877 080301 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 flavors of coffee. Pr...

  • Page 11

    Page 11 29877 080301 main screen this screen 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 heating to ready to brew. Programming lockout switch (mount...

  • Page 12

    Page 12 29877 121302 programming the brewer (cont.) program functions - level 2 there are three methods of programming the vari- ous brewing parameters of the dual sh with 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'...

  • Page 13

    Page 13 must grind into funnel first (coffee name) setup complete begin setup of (coffee name) quit setup? Yes use left side only insert funnel with new name review recipes? No yes (coffee name) no yes 3 batches done? No yes set new recipe? No yes 2 sec. Cycles through three screens 2 sec. Funnel co...

  • Page 14

    Page 14 programming functions - level 2 (cont.) set new recipes (cont.) 29877 022509 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 repeat step #8 for that size. Continue setting all batch ...

  • Page 15

    Page 15 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 repeat until all three batch sizes are set. 24. When finished setting all batch sizes, press done. The display ...

  • Page 16

    Page 16 programming functions - level 2 (cont.) 29877 022509 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's memory contains certain coffee names. If the operator uses a coffee name that is not already stored in the gr...

  • Page 17

    Page 17 programming functions - level 2 (cont.) 29877 022509 set new recipe: if not using a smart funnel (with a sensor coil) and/ or a g9-2t dbc grinder, the brewer will function as a standard bunn dual brewer: it is possible to operate the brewer without us- ing a smart funnel and/or a g9-2t dbc g...

  • Page 18

    Page 18 29877 022509 review recipes/modify recipes/set up no name coffee flavors: 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 pe...

  • Page 19

    Page 19 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 the ® pa...

  • Page 20

    Page 20 29877 022509 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:...

  • Page 21

    Page 21 29877 022509 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 during a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune” th...

  • Page 22

    Page 22 exit to next function screen press done yes done yes screen displayed brew oz: xx.Xx 3 batches done? % bypass xx.X 3 batches done? Advances to all other coffee names programmed in the brewer's memory when the last coffee name in the brewer's memory is displayed, pressing next will exit and t...

  • Page 23

    Page 23 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 coffee bed can be viewed. (...

  • Page 24

    Page 24 29877 022509 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 l...

  • Page 25

    Page 25 programming functions - level 2 (cont.) 29877 022509 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...

  • Page 26

    Page 26 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 m...

  • Page 27

    Page 27 copy settings (no name coffee settings only) 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...

  • Page 28

    Page 28 29877 022509 enable ads? This function allows the operator to choose whether or not to display the advertising message that was en- tered into the brewer with an ad card. This message will be displayed when the brewer is not in use. Enable ads? No done yes procedure to enable/disable ads: 1....

  • Page 29

    Page 29 bypass oz/m: xx.X (-) done (+) procedure to adjust the flow rate setting: 1. Press and hold the ® pad until the display reads set new recipes. Release the ®. Press and release the ® pad until the display reads bypass oz/m. The number represents what the brewer thinks is the flow rate of the ...

  • Page 30

    Page 30 29877 022509 p2608 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 minut...

  • Page 31

    Page 31 left oz xx.X (-) done (+) new l byps flow 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 calibrate flow? No yes container rdy? No yes calibrate bypass press brew start calibrate bypass 60 sec to finish bypass cal? No yes sprayh...

  • Page 32

    Page 32 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. Exit to next function screen resets left counter re...

  • Page 33

    Page 33 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 troubleshoo...

  • Page 34

    Page 34 12. Press next to advance to the next component to be tested. 13. To test left funnel lock, press on. If the fun- nel lock is functional, the lock will come down to hold the funnel in place. 14. Press off to retract the funnel lock. 15. Press next to advance to the next component to be teste...

  • Page 35

    Page 35 service tools (cont.) 29877 121302 programming functions - level 2 (cont.) 2. Place a soft heat server beneath each brew fun- nel. 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. 4....

  • Page 36

    Page 36 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. Exit exit replace will replace all brew settings are you sure? No yes factory defaults no yes procedure to set fa...

  • Page 37

    Page 37 29877 022509 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, ...

  • Page 38

    Page 38 29877 022509 troubleshooting (cont.) screen displayed possible cause troubleshooting procedures no funnel present temperature too low 1. Smart funnel not fully inserted into the funnel rails. 2. Not using a smart funnel, and the funnel detect function is activated (on). 1. Water temperature ...

  • Page 39

    Page 39 29877 022509 troubleshooting (cont.) troubleshooting 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 br...

  • Page 40

    Page 40 29877 022509 troubleshooting (cont.) troubleshooting procedures possible cause screen displayed check water supply fill time too long 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. T...

  • Page 41

    Page 41 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 (.75...

  • Page 42

    Page 42 troubleshooting procedure 29877 022509 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. O...

  • Page 43

    Page 43 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 022509 check the sensitivity setting. Refer to the refill function on page 29. If the left three digit number is less than the right number, the machine “thinks” it is full and the refill valve should be off. If ...

  • Page 44

    Page 44 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 022509 remove power from the brewer. Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to testing individual components on page 34. If the full supply voltage is measured w...

  • Page 45

    Page 45 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 022509 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 me...

  • Page 46

    Page 46 troubleshooting (cont.) problem possible cause 29877 091201 troubleshooting procedures 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 cy...

  • Page 47

    Page 47 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 091201 weak beverage (cont.) brewer is making unusual noises. 6. Incorrect recipe 1. Solenoid (inlet) 2. Plumbing lines 3. Water supply 4. Tank heaters. Consider adjusting bypass percent- age, preinfusion, or pul...

  • Page 48

    Page 48 white strip-tac plus black ink finished size: 8.5" x 11.0" ~77% reduction 29876.0000d 01/07 © 2001 bunn-o-matic corporation 120/208 or 120/240 volt 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 only whi whi l2 red blk ...

  • Page 49

    Page 49 red red red red 29876.0001a 08/02 © 2002 bunn-o-matic corporation 230 volts ac 2 wire single phase 50hz thermal safety fuse thermal safety fuse thermal safety fuse thermal safety fuse red red resettable fuse schematic wiring diagram dual sh dbc (w/smart funnel) right tank heater left tank he...