Bunn Single SH BrewWISE DBC Installation And Operating Manual

Manual is about: Bunn Dual SH BrewWISE DBC: Operating Manual

Summary of Single SH BrewWISE 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 obtain the illustrated parts catalog, visit the bunn-o-matic website, at www.Bunn.Com. This is absolutely free, and the quic...

  • Page 2

    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 specified below: 2 years parts and 1 year labor. 2) electronic circuit and/or control boards: parts and labor for 3 years. 3) compressors on re...

  • Page 3

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

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    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 03408.0004 03409.0004 29877-3 051007.

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    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 service as specified in conformance with all loc...

  • Page 6

    Page 6 plumbing requirements this brewer must be connected to a cold water system with operating pressure between 20 and 90 psi (138 and 620 kpa) from a 1 ⁄ 2 " or larger supply line. A shut-off valve should be installed in the line before the brewer. Install a regulator in the line when pressure is...

  • 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 29877-3 062005 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. Conne...

  • Page 9

    Page 9 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 proce...

  • Page 10

    Page 10 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. Programming of ...

  • Page 11

    Page 11 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 (mounted on main co...

  • Page 12

    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...

  • Page 13

    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 lockout? No done yes program flow diagram left ...

  • Page 14

    Page 14 % bypass xx (-) done (+) 3 batches done? No yes set pulse brew full 1/2 1/4 left, set all 3 batches full 1/2 1/4 right, set all 3 batches 3 batches 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...

  • Page 15

    Page 15 l byps oz/m xx.X (-) done (+) r byps oz/m xx.X (-) done (+) calibrate 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? ...

  • Page 16

    Page 16 units metric done eng changing units will!! Erase!! All previously stored recipes and all setup info wil be lost! Are you 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 ...

  • Page 17

    Page 17 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 18

    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 finish...

  • Page 19

    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 memory contains certain coffee names. If the operator uses a coffee name that is not already stored...

  • Page 20

    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-...

  • Page 21

    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, bypass percentages, pulse brew...

  • Page 22

    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 ri...

  • Page 23

    Page 23 % 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 bre...

  • Page 24

    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. ...

  • Page 25

    Page 25 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 26

    Page 26 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. Using (-) and (+), set the desired brew time for the ...

  • Page 27

    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 p...

  • Page 28

    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 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. It is not pos- sible to ...

  • Page 29

    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 m...

  • Page 30

    Page 30 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 ® ...

  • Page 31

    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...

  • Page 32

    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 wil...

  • Page 33

    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 ou...

  • Page 34

    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 calibrate flow function and return to the main screen. 9. Repeat steps 1 - 8 when calibrating the other side. New l spry flow xx.X oz/m left oz xx.X (-) done ...

  • Page 35

    Page 35 p2609 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 ...

  • Page 36

    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 b...

  • Page 37

    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 troubleshoo...

  • Page 38

    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. To test tank heaters, connect a voltmeter across each of the tank heaters to check for voltage....

  • Page 39

    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 appear, or if it remains after the switch has been released, the switch is defective. Each switch can be tested in this...

  • Page 40

    Page 40 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 thermof softheat do...

  • Page 41

    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 technical service department. • inspection, testing, and repair of...

  • Page 42

    Page 42 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 in the tank d...

  • Page 43

    Page 43 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 brew cycle was ...

  • Page 44

    Page 44 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. Temperature se...

  • Page 45

    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 (.75...

  • Page 46

    Page 46 troubleshooting 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 prote...

  • Page 47

    Page 47 troubleshooting (cont.) possible cause troubleshooting procedures check the sensitivity setting. Refer to refill function. 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 the left number is larger than the r...

  • Page 48

    Page 48 troubleshooting (cont.) problem possible cause troubleshooting procedures 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. If the full supply voltage is measured when the tank heater is t...

  • Page 49

    Page 49 troubleshooting (cont.) problem possible cause troubleshooting 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...

  • Page 50

    Page 50 troubleshooting (cont.) problem possible cause 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 cycle should be...

  • Page 51

    Page 51 troubleshooting (cont.) problem possible cause troubleshooting procedures 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 pulse brew. Cont...

  • Page 52

    Page 52 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 53

    Page 53 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...

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    Page 54 red red red red 29876.0003a 06/04 © 2004 bunn-o-matic corporation 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 heater triac triac temp probe blk blk bl...