Bunn ITB/ITCB Programming Manual
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Bunn ITB/ITCB Programming Manual

Bunn coffeemaker user manual
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ITB/ITCB
ICB/TWIN
Infusion Series
®
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

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  • Page 1 ITB/ITCB ICB/TWIN Infusion Series ® 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...

  • Page 2: Warranty

    SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.

  • Page 3: Table Of Contents

    This equipment will brew tea into an awaiting dispenser or reservoir. It is only for indoor use on a sturdy counter or shelf. The ITB uses recipe settings to brew tea. It has an LCD for digital readout and programming. The user is able to select regular or quick brew for tea programming.
  • Page 4 PROGRAMMING THE BREWER PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - LEVEL 2 SET LANGUAGE? SET NEW RECIPE? ENABLE SANITATION DONE SPRAY OZ/M: XX.X DONE ENTER ASSET # BREW LOCKOUT? DONE YES UNITS REVIEW RECIPES METRIC DONE SET TEMP 200°...
  • Page 5 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - LEVEL 2 SET LANGUAGE? METRIC DONE SET NEW RECIPE? ENABLE SANITATION DONE L SPRY OZ/M: XX.X DONE CALIBRATE FLOW? SERVICE TOOLS BREW LOCKOUT? DONE YES UNITS REVIEW RECIPES...
  • Page 6 PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - LEVEL 2 SET LANGUAGE? MASTER TEMP 205° DONE ENABL ENERGYSAVR DONE DILUTE OZ/M: XX.X DONE ENTER SERVICE # BREW LOCKOUT? DONE YES UNITS REVIEW RECIPES METRIC DONE READY DEGREE 5°...
  • Page 7 PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - LEVEL 2 SET LANGUAGE? METRIC DONE SET NEW RECIPE? ENABLE SANITATION DONE SPRAY OZ/M: XX.X DONE SET RECIPES TEMPS FACTORY DEFAULTS BREW LOCKOUT? DONE YES UNITS REVIEW RECIPES MASTER TEMP 205°...

  • Page 8: Factory Defaults

    Brew Lockout Enabled Set Language English Units English Review Recipes √ √ Assign Recipes Set New Recipe √ Set (Master) Temp 200° Ready Degree Enable Ads Disabled Enable Sanitation Disabled Enable Energy Saver Disabled Enable Fresh Timer Disabled Refill Left Spray Oz. Right Spray Oz.

  • Page 9: Programming With Recipe Card

    Using a RECIPE CARD to load recipes: The RECIPE CARD includes all the information needed to set up that particular coffee/tea name. The informa- tion from the RECIPE CARD is loaded into the brewer’s memory by holding the chip area up to the brewer’s SENSING COIL.

  • 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.

  • Page 11: Programming

    * 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 when the display reads: 2.
  • Page 12 Hazelnut French Vanilla Irish Creme Vanilla Nut Caramel Raspberry Almond Dark Mtn Roast Hot Tea DEFAULT RECIPE CHART - ITB/ITCB Iced Coffee (ITCB ONLY) No Name Coffee (ITCB ONLY) DEFAULT ASSIGNMENTS BREW A BREW B Regular Decaf Brkfst Blnd Disabled...
  • Page 13 Dilution Ounces Dilution Delay Time Pulse Brew/Preinfusion Times Drip Times SWEET METER * ITB/ITCB WITH FACTORY SWEETENER BY PRESSING "MODIFY", YOU CAN STEP THROUGH & CHANGE ALL THE BREW SETTINGS FOR THAT RECIPE, SIMPLY FOLLOW THE ON SCREEN PROMPTS PROGRAMMING THE BREWER (cont.) ITB/ITCB BY PRESSING "SHOW", THE...
  • Page 14 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 9. If both batch sizes are correct, press YES. This will advance to the DILUTE OZ (ITCB) or BYPASS % (ICB) 10. Using (-) or (+), set the amount of dilution water for that particular batch size to be dispensed through the dilution nozzle into the tea dispenser (ITCB) or % bypass water to be dispensed around the filter/ grounds (ICB).
  • Page 15 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 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 (+).
  • Page 16 EASY OPTIONAL-ONLY ON UNITS WITH FACTORY INSTALLED SWEETENER OVERVIEW ONLY - SOME SCREENS OMITTED MANUAL DRIP TIME: 1:20 DONE SWEETNER Page 16 ITB/ITCB REVIEW RECIPES TEA 1 MODIFY SHOW NEXT BREW OZ: DONE DILUTE OZ: 320.0 DONE DILUTE DELAY 00.0...
  • Page 17 PROGRAMMING FUNCTIONS - LEVEL 2 (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.
  • Page 18 NOT AVAILABLE ON ITB PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) * 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.
  • Page 19 PROGRAMMING FUNCTIONS - LEVEL 2 (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°...
  • Page 20 PROGRAMMING FUNCTIONS - LEVEL 2 (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.
  • Page 21 PROGRAMMING FUNCTIONS - LEVEL 2 (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°...
  • Page 22 SET LANGUAGE. Press and release the right hidden switch until the display reads DILUTE OZ/M. The number represents what the brewer thinks is the flow rate out of the dilution nozzle. Page 22 (ICB & ICB Twins only) (ITB/ITCB only) 41581.2 091609...
  • Page 23 PROGRAMMING FUNCTIONS - LEVEL 2 (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 to the next screen, CALIBRATE FLOW.
  • Page 24 CALIBRATE DILUTE 60 SEC TO FINISH QUIT L/R OZ XX.X CALIBRATE DILUTE DONE XX.X OZM NEW DILUTE FLOW 5 sec Page 24 ITB/ITCB Series CALIBRATE FLOW? SPRAYHEAD CAL DILUTION CAL? CONTAINER READY? QUIT QUIT CALIBRATE SPRAY QUIT QUIT CALIBRATE SPRAY...
  • Page 25 PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 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.
  • Page 26 6. When finished, press NEXT to advance to the next programming function, ENTER ASSET #. To exit programming and return to the MAIN SCREEN, press ENABLE BREW ON/OFF switch. PROGRAMMING THE BREWER (cont.) ICB Twin ITB/ITCB Page 26 BREW COUNTERS? PRESSING NO WILL ADVANCE TO ENTER ASSET #...
  • Page 27 PROGRAMMING FUNCTIONS - LEVEL 2 (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 temperature between the three selected recipes stored in the brew buttons.
  • Page 28 Refer to Service Manual for in depth procedures. Test Outputs: The following components can be individually tested: (L/R) Brew Valve(s) (L/R) Bypass Valve(s) ICB(TWIN) (L/R) Dilution Valve(s) ITB/ITCB (w/Dual Dilution) Refill Valve Tank Heater Relay Tank Heater Triac L/R Funnel Lock (Optional)

  • 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 electrical equipment should be performed only by qualified service person- nel.
  • Page 30 TROUBLESHOOTING (cont.) PROBLEM 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 PROBABLE CAUSE 1. Water temperature in the tank does not meet the ready tempera- ture.
  • Page 31 TROUBLESHOOTING (cont.) PROBLEM Brew cycle will not start PROBABLE CAUSE 1. No water 2. No power or incorrect voltage to the brewer 3. ON/OFF switch 4. Brew switch 5. Brew valve 6. Control Board Page 31 REMEDY Check plumbing and shut-off valves Check for voltage across the termi- nals at the terminal block.
  • Page 32 TROUBLESHOOTING (cont.) PROBLEM Automatic refill will not operate or display shows FILL TIME TOO LONG PROBABLE CAUSE 1. No water 2. Refill probe or Sensitivity set- ting 3. Refill valve Page 32 REMEDY Check plumbing and shut-off valves Remove the strainer and check for obstructions.
  • Page 33 TROUBLESHOOTING (cont.) PROBLEM Automatic refill will not operate or display shows FILL TIME TOO LONG (Continued) PROBABLE CAUSE 4. Control Board 5. ON/OFF Switch Page 33 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.
  • Page 34 TROUBLESHOOTING (cont.) PROBLEM Water flows into tank continuously with power removed from brewer. PROBABLE CAUSE 1. Refill valve 2. Refill probe or sensitivity set- ting 3. Control Board Page 34 REMEDY Foreign material lodged in valve, holding it in open state. Check the sensitivity setting.
  • Page 35 TROUBLESHOOTING (cont.) PROBLEM Water will not heat or display shows HEATING TIME TOO LONG. PROBABLE CAUSE 1. Limit Thermostat 2. Temperature probe 3. Tank heaters 4. Control Board Page 35 REMEDY Remove power from the brewer. Check for continuity through the limit thermostat.
  • Page 36 TROUBLESHOOTING (cont.) PROBLEM No bypass water Spitting or unusual steaming from sprayhead or air vent. PROBABLE CAUSE 1. Bypass valve 2. Recipe settings 1. Lime buildup 2. Temperature probe 3. Control Board Page 36 REMEDY Test the bypass valve. Refer to the test outputs procedures on page Check to make sure bypass % has been set for the current recipe.
  • Page 37 TROUBLESHOOTING (cont.) PROBLEM Inconsistent beverage level in server/dispenser PROBABLE CAUSE Improper water pressure Brew valve Bypass valve Lime buildup Brew volume adjustment Page 37 REMEDY Check operating water pressure to the brewer. It must be between 20 and 90 psi (138 and 620 kPa). Test the brew valve.
  • Page 38 2. Plumbing lines 3. Water supply 4. Tank heaters Page 38 REMEDY 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 the funnel.
  • Page 39 4. Funnel Loading 5. Water temperature 6. Incorrect recipe Page 39 REMEDY 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...

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Infusion itb/itcbInfusion icb/twin

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