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  5. Installation And Operating Manual

Bunn Single SH Installation And Operating Manual

Summary of Single SH

  • Page 1

    Dual ® sh 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 www.Bunnomatic.Com 29877.0000 12/03 ©2001 bunn-o-matic corporation caution ca ut io n di sc ar d d ec an te r di sc a...

  • 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 and plumbing requirements ...................................................................................... 5 operati...

  • Page 4

    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. 29877 040201 10044.0000 03408.0000 03409.0000

  • Page 5

    Page 5 29877 120203 electrical hook-up caution – improper electrical installation will damage electronic components. 1. An electrician must provide electrical service as specified. 2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source. 3. Remove the fron...

  • Page 6

    Page 6 29877 040802 a a b b c c d e f operating controls operating controls (a) batch selector pads pressing the pad corresponding to the small, medium, or large batch selects the amount of coffee to be brewed. Pressing a different pad after a brew cycle has been initiated does not change the brew b...

  • Page 7

    Page 7 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 ...

  • Page 8

    Page 8 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 9

    Page 9 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. Pro...

  • Page 10

    Page 10 29877 080301 main screen this screen will be shown when the brewer is ready for use. The screen displays the water tempera- ture 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 (mou...

  • Page 11

    Page 11 29877 121302 programming the brewer (cont.) program functions - level 2 there are three methods of programming the various 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 db...

  • Page 12

    Page 12 p2299 29877 121302 programming functions - level 2 (cont.) procedure for setting the recipe: note: before beginning setup, place a server beneath the left brew funnel. 1. Insert the funnel into the grinder and select a batch size to grind. It is not necessary to have coffee beans in the hopp...

  • Page 13

    Page 13 programming functions - level 2 (cont.) set new recipes (cont.) 29877 090401 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 batc...

  • Page 14

    Page 14 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 re- peat until all three batch sizes are set. 24. When finished setting all batch sizes, press done. The displa...

  • Page 15

    Page 15 programming functions - level 2 (cont.) 29877 121302 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 t...

  • Page 16

    Page 16 programming functions - level 2 (cont.) 29877 080301 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 using a smart funnel ® and/or a g9-2t...

  • Page 17

    Page 17 29877 080301 review recipes/modify recipes/set up no name coffee flavors: this function has three parts. It allows the opera- tor 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 ...

  • Page 18

    Page 18 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 19

    Page 19 29877 080301 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 20

    Page 20 29877 080301 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 dur- ing a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune” ...

  • Page 21

    Page 21 set pulse brew (cont.) programming functions - level 2 (cont.) 29877 080301.

  • Page 22

    Page 22 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 cof- fee bed can be viewed....

  • Page 23

    Page 23 29877 080301 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 24

    Page 24 programming functions - level 2 (cont.) 29877 080301 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 25

    Page 25 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 26

    Page 26 copy settings (no name coffee settings only) this function is used to transfer all the brew settings 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 27

    Page 27 29877 080301 enable ads? This function allows the operator to choose whether or not to display the advertising message that was entered into the brewer with an ad card. This mes- sage will be displayed when the brewer is not in use. Procedure to enable/disable ads: 1. Press and hold the ® pa...

  • Page 28

    Page 28 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 bypass valve in ounces per minu...

  • Page 29

    Page 29 29877 121302 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 30

    Page 30 29877 121302 programming functions - level 2 (cont.) calibrate flow (cont.) procedures to calibrate the bypass flow rate: 1. Place a container, accurately graduated in ounces, and with a minimum capacity of 60 ounces, below the funnel on the brewer to be calibrated. 2. Press and hold the ® p...

  • Page 31

    Page 31 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. Procedures to view/reset the brew counters: 1. Pres...

  • Page 32

    Page 32 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 troublesh...

  • Page 33

    Page 33 12. Press next to advance to the next component to be tested. 13. To test left funnel lock, press on. If the funnel 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 tested....

  • Page 34

    Page 34 service tools (cont.) 29877 121302 programming functions - level 2 (cont.) 2. Place a soft heat ® server beneath each brew funnel. 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 35

    Page 35 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. Procedure to set factory defaults: 1. Press and hold the ® pad until set new recipes appears. Release the ® pad. ...

  • Page 36

    Page 36 29877 121302 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 37

    Page 37 29877 121302 troubleshooting (cont.) screen displayed possible cause troubleshooting procedures 1. Smart funnel not fully inserted into the funnel rails. 2. Not using a smart funnel, and the funnel detect function is ac- tivated (on). 1. Water temperature in the tank does not meet the set re...

  • Page 38

    Page 38 29877 090401 troubleshooting (cont.) troubleshooting procedures possible cause screen displayed 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. Tank heater failure 2. Triac failure 3. Control ...

  • Page 39

    Page 39 29877 090401 troubleshooting (cont.) troubleshooting procedures possible cause screen displayed 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 sensor probe wire(s) shorte...

  • Page 40

    Page 40 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 41

    Page 41 troubleshooting procedure 29877 091201 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 setting 4. Refill valve 5. Ove...

  • Page 42

    Page 42 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 091201 check the sensitivity setting. Refer to the refill function on page 28. 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 43

    Page 43 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 091201 remove power from the brewer. Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to testing indi- vidual components on page 33. If the full supply voltage is measured...

  • Page 44

    Page 44 troubleshooting (cont.) problem possible cause troubleshooting procedures 29877 091201 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 45

    Page 45 troubleshooting (cont.) problem possible cause 29877 091201 troubleshooting procedures adjust the brew volume as required to achieve the recommended vol- ume for each brew cycle. Repair or replace leaky valve. Bunn ® paper filters should be used for proper extraction. Check sprayhead the bre...

  • Page 46

    Page 46 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 47

    Page 47 29877 080301.

  • Page 48

    Page 48 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...