Bunn Infusion ICB/TWIN Programming Manual

Manual is about: Bunn Coffeemaker User Manual

Summary of Infusion ICB/TWIN

  • Page 1

    Programming manual bunn-o-matic corporation post office box 3227 springfield, illinois 62708-3227 phone: (217) 529-6601 fax: (217) 529-6644 41581.0002a 09/09 ©2009 bunn-o-matic corporation itb/itcb icb/twin infusion series ®.

  • Page 2

    Page 2 41581.2 012609 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) co...

  • Page 3

    Page 3 contents warranty .............................................................................................................2 introduction ........................................................................................................3 programming flow chart-icb .....................

  • Page 4: Icb

    Page 4 spray oz/m: xx.X (-) done (+) (-) done (+) calibrate flow? No yes brew counters? No yes programming the brewer programming functions - level i programming functions - flow chart programming functions - level 2 bypass oz/m: xx.X brew lockout? No done yes units metric done eng set language? No ...

  • Page 5: Icb Twin

    Page 5 l spry oz/m: xx.X (-) done (+) (-) done (+) programming the brewer (cont.) programming functions - level i programming functions - flow chart programming functions - level 2 l byps oz/m: xx.X brew lockout? No done yes units metric done eng set language? No yes review recipes no yes assign rec...

  • Page 6: Itb

    Page 6 itb 41581.2 091609 (-) done (+) calibrate flow? No yes brew counters? No yes programming functions - level i programming functions - flow chart programming functions - level 2 dilute oz/m: xx.X brew lockout? No done yes units metric done eng set language? No yes review recipes no yes assign r...

  • Page 7: Itcb

    Page 7 itcb 41581.2 091609 spray oz/m: xx.X (-) done (+) (-) done (+) calibrate flow? No yes brew counters? No yes programming functions - level i programming functions - flow chart programming functions - level 2 dilute oz/m: xx.X set recipes temps no yes brew lockout? No done yes units metric done...

  • Page 8

    Page 8 brew lockout enabled enabled disabled disabled set language english english english english units english english english english review recipes √ √ √ √ assign recipes √ √ √ √ set new recipe √ √ √ x set (master) temp 200° 200° 205° 205° ready degree 5° 5° 5° 5° enable ads disabled disabled di...

  • Page 9

    Page 9 ready to brew water temp xxx° card contains recipe for (recipe name) show quit save (recipe name) not saved (recipe name) setup complete ready to brew water temp 200° 5 sec. Position card under sensor coil scrolls through all brew settings for that recipe programming with recipe card using a ...

  • Page 10

    Page 10 programming with ad card using an ad card to load ads: the information is loaded into the brewer’s memory by holding the chip area up to the brewer’s sensing coil. Note: instructions to program the brewer are printed on the ad card. Procedure to program the ad: 1. Remove the funnel(s) if pre...

  • Page 11

    Page 11 programming functions - level 1 * brew lockout this function allows the operator to prevent or allow brewing if the water temperature is less than the set ready temperature. Procedure for setting brew lockout: 1. To access this function screen press and hold the right hidden button. Release ...

  • Page 12

    Page 12 programming the brewer (cont.) * units this function allows the operator to select if numeric settings are displayed in english or metric units. Procedure for setting the units: 1. Press and hold the right hidden button until the display reads set language? Press and release the right hidden...

  • Page 13

    Page 13 review recipes no yes no name coffee modify show next regular modify show next (recipe name) modify show next that was the last recipe pressing no will advance to next function screen by pressing "show", the display will automatically scroll through all the brew settings for that recipe scro...

  • Page 14

    Page 14 setting pulse brew – easy pulse brew range: minimum: will adjust to the minimum time required to brew that batch using the set brew volumes and flow rate for the sprayhead. Maximum – will adjust depending on settings and will always be minimum time + 3 minutes. The brewer will automatically ...

  • Page 15

    Page 15 34. When finished, press the other batch size and repeat step # 33. 35. When finished setting both batch sizes, press and release done. 36. The display should now read last on:. Adjust the last on time using (-) or (+). If preinfusion is desired, set the last on time to prei. 37. When finish...

  • Page 16

    Page 16 review recipes no yes brew oz: 76 (-) done (+) dilute oz: 320.0 (-) done (+) dilute delay 00.0 (-) done (+) review recipes no yes brew oz: 64 (-) done (+) % bypass: 20 (-) done (+) drip time: 0:30 (-) done (+) set pulse brew? No yes icb itb/itcb no name coffee modify show next tea 1 modify s...

  • Page 17

    Page 17 programming the brewer (cont.) * assign recipe to or disable brew switch(s) this function allows the operator to assign a recipe to (or disable) each of the 3 brew switches (a, b, c). Any saved recipes listed under "review recipes" can be assigned to a brew switch. Only one recipe per brew s...

  • Page 18

    Page 18 * set new recipe (coffee only) to set a new coffee recipe using a smart funnel and a g9-2t dbc or mhg grinder: this function allows the operator to set brew vol- umes, bypass %, pulse brew/preinfusion times and drip out times for each coffee name stored in the grinder’s memory. Certain coffe...

  • Page 19

    Page 19 programming the brewer (cont.) * set temp - icb (master temp - itcb) this function allows the operator to adjust the brew water temperature in the tank. This also sets the hot water faucet dispense temperature. Procedure for setting the set temp range: 185° to 205° f (85° - 96° c) 1. Press a...

  • Page 20

    Page 20 programming the brewer (cont.) 12. Select done. The display should now read write btm line?. 13. To write the bottom line, select yes. 14. To skip the bottom line, select no. A. If neither a top nor bottom line was written, the display should now read enabl sanitation. B. If only a top line ...

  • Page 21

    Page 21 programming the brewer (cont.) * enable energy saver this function allows the operator to enable the energy savings mode function and set the idle time. Once the set idle time has expired, the operator can choose to have the heaters either turn off, or reduce the tank holding temp to 140° f ...

  • Page 22

    Page 22 * refill range: 0 to 155 this function allows the operator to adjust the sensitiv- ity of the refill circuit. This is mainly a troubleshooting feature. Water in different geographical locations can have different conductivities. By adjusting the sensitivity of the refill circuit, this will a...

  • Page 23

    Page 23 programming functions - level 2 (cont.) programming the brewer (cont.) 2. If the actual flow rate of the nozzle is known but is different than the number on the display, use the (-) and (+) to enter the correct flow rate. 3. When finished, select done. This saves the new setting and advances...

  • Page 24

    Page 24 programming functions - level 2 (cont.) programming the brewer (cont.) * calibrate flow (cont.) sprayhead cal no yes calibrate flow? No yes brew counters container ready? Quit yes calibrate spray quit start calibrate spray 60 sec to finish sprayhd oz xx.X (-) done (+) new spray flow xx.X ozm...

  • Page 25

    Page 25 note: if the display is already on the dilution cal screen, skip steps 2-3 and proceed directly to step 4. 2. Press and hold the right hidden switch until the display reads set language. Press and release the right hidden switch until the display reads calibrate flow? 3. Select yes to advanc...

  • Page 26

    Page 26 * brew counters this function allows the operator to track the total num- ber of brew cycles completed, as well as the number of batches brewed using each of the brew buttons. There are (up to) six resettable counters, and one life counter that is not resettable. Procedure to view/reset the ...

  • Page 27

    Page 27 programming functions - level 2 (cont.) programming the brewer (cont.) * set recipe temps (itcb only) this function allows the operator to set separate tem- peratures for each selected recipe. Note: setting recipe temps will override the master temp. The tank will hold at the lowest temperat...

  • Page 28

    Page 28 * asset number this function allows the operator to enter the machine's asset number. This can be useful for tracking the usage or service of an individual machine within a group. Procedure to enter the asset number: 1. Press and hold the right hidden switch until the display reads set langu...

  • Page 29

    Page 29 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 30

    Page 30 probable cause remedy problem troubleshooting (cont.) temperature too low heating time too long fill time too long temp sensor out of range, check for bad connections temp sensor out of range, check wire for shorts equipment will not operate 1. Water temperature in the tank does not meet the...

  • Page 31

    Page 31 troubleshooting (cont.) probable cause remedy problem check plumbing and shut-off valves check for voltage across the termi- nals at the terminal block. Test the on/off switch. Refer to the test switch procedures on page 50. Test the brew switch. Refer to the test switch procedures on page 5...

  • Page 32

    Page 32 troubleshooting (cont.) problem probable cause remedy check plumbing and shut-off valves remove the strainer and check for obstructions. Clear or replace. Check the sensitivity setting. Refer to the refill function on page 40. If the left three digit number is less than the right number, the...

  • Page 33

    Page 33 troubleshooting (cont.) problem probable cause remedy refill valve – disconnect the brewer from the power source and remove wires from refill valve coil. Check for continuity across the terminals of the solenoid coil. If continuity is not present, replace the refill valve. If continuity is p...

  • Page 34

    Page 34 troubleshooting (cont.) problem probable cause remedy water flows into tank continuously with power removed from brewer. 1. Refill valve 2. Refill probe or sensitivity set- ting 3. Control board foreign material lodged in valve, holding it in open state. Check the sensitivity setting. Refer ...

  • Page 35

    Page 35 troubleshooting (cont.) problem probable cause remedy water will not heat or display shows heating time too long. 1. Limit thermostat 2. Temperature probe 3. Tank heaters 4. Control board remove power from the brewer. Check for continuity through the limit thermostat. Caution: do not elimina...

  • Page 36

    Page 36 no bypass water spitting or unusual steaming from sprayhead or air vent. 1. Bypass valve 2. Recipe settings 1. Lime buildup 2. Temperature probe 3. Control board test the bypass valve. Refer to the test outputs procedures on page 48. Check to make sure bypass % has been set for the current r...

  • Page 37

    Page 37 troubleshooting (cont.) problem probable cause remedy inconsistent beverage level in server/dispenser check operating water pressure to the brewer. It must be between 20 and 90 psi (138 and 620 kpa). Test the brew valve. Refer to test outputs on page 48. Turn the valve on for 30 seconds and ...

  • Page 38

    Page 38 troubleshooting (cont.) problem probable cause remedy dripping from sprayhead. Water overflows filter. Beverage overflows server. Brewer is making unusual noises. Repair or replace leaky valve bunn paper filters should be used for proper extraction check sprayhead the brew cycle should be st...

  • Page 39

    Page 39 troubleshooting (cont.) problem probable cause remedy weak beverage. Bunn paper filters should be used for proper extraction for coffee, a sufficient quantity of fresh drip or regular grind should be used for proper extraction. Bunn-o-matic sprayhead should be used to properly wet the bed of...