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INST ALLA TION & OPERA TING MANU AL ICB-TWIN Infusion Series ® with Smart Funnel ® BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www .
Page 2 38112.1 020608 BUNN-O-MA TIC 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.
Page 3 INTRODUCTION This equipment will brew coffee into an awaiting server or airpot. The brewer may have an auxillar y hot water faucet. It is only for indoor use on a sturdy and level counter or shelf. Please install in an area where there are no water jet devices.
Page 4 #03408.0000 #03409.0000 #00656.0000 #00986.0000 USER NOTICES Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should be kept in good condition. Replace any unreadable or damaged labels. #37881.
Page 5 ELECTRICAL REQUIREMENTS WARNING - If the power cord is ever damaged, it must be replaced by the manufacturer or its ser vice agent with a special cord available from the manufacturer or its service agent in order to avoid a hazard. Refer to Data Plate on the Brewer , and local/national electrical codes to determine circuit requirements.
Page 6 PLUMBING HOOK UP 1. Remove the shipping cap from the fitting on the rear of the brewer . 2. Attach the flare elbow fitting (supplied separately with the brewer) to the fitting. 3. Flush the water line and securely attach it to the flare elbow fitting.
Page 7 ENABLE ON / OFF ENABLE ON / OFF BREW BREW OPERA TING CONTROLS A. ON/OFF SWITCH Pressing the "ON/OFF" pad will alternately turn the selected brewing side on and off. Pressing this pad during the brew cycle will interrupt the brew cycle, stopping the flow of water .
Page 8 INITIAL SET -UP VIEWING ASSIGNED RECIPES & ASSET NUMBER 1. Make sure the ON/OFF switch is OFF on the right side (LED will not be lit). 2. Press and hold BREW A on the right side. The display will show the name of the recipe assigned to Brew A along with SWITCH NOT ON.
Page 9 COFFEE BREWING WITHOUT A SMART FUNNEL AND MHG or DBC GRINDER: 1. Begin each brew cycle with a clean empty brew funnel. 2. Insert a BUNN filter into the funnel. 3. Pour the fresh coffee into the filter and level the bed of grounds by gently shaking.
Page 10 CLEANING 1. The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment. Do NOT clean this equipment with a water jet device. 2. Check and clean each sprayhead. The sprayhead holes must always remain open.
Page 11 GLOSSAR Y AD CARD : An assembly consisting of computer chips and an instruction label. Used for loading advertising messages into the brewer . AUTO PULSE BREW SETUP : The setting of a pulse brew routine by entering in the total desired water deliver y time.
Page 12 RECIPE : Set of brewing parameters stored in the brewer . The parameters are unique for each coffee name. Coffee recipes include brew ounces, bypass percentages, pulse brew or pre-infusion and drip time. RECIPE CARD : An assembly consisting of a computer chip and an instruction label.
Page 13 PROGRAMMING Using the menu-driven disp lay on the front of th e brewer , the op erator has the abi lity to alter or mod ify various brewing parameters such as brew temperatures, brew volumes, bypass per centages, pulse brew , etc. This allows for the precise brewing of various flavors of coffee.
Page 14 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 HEA TING to READY TO BREW .
Page 15 PROGRAMMING THE BREWER (cont.) UNITS METRIC DONE ENG PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL 2 SET LANGU A GE? NO YES REVIEW RECIPES NO.
Page 16 PROGRAMMING FUNCTIONS - LEVEL I 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. T o access this function screen press and hold the right hidden button.
Page 17 This function allows the operator to select the language used for the display . Procedure for setting Language: 1. Press and hold the right hidden button until the display reads SET LANGUAGE? and release. 2. Press YES to proceed. The display should now read ENGLISH .
Page 18 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) UNITS This function allows the operator to select if numeric settings are displayed in English or Metric units.
Page 19 DON'T YES NO KNOW PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES (Modify recipe, set up standard recipes) This function has three parts: 1. It allows the operator to view the brew settings for the various coffee recipes stored into the brewer .
Page 20 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ASSIGN RECIPE This function allows the operator to assign recipes to the six brew buttons (three each side). Standard recipes and any saved recipes from a Smart Funnel or Recipe Card can be assigned to a brew button.
Page 21 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE (to set a new COFFEE recipe using a Smart Funnel or RECIPE CARD) Using a Smart Funnel and a G9-2T DBC or M.
Page 22 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) tion of BREW OZ function). 8. Using (-) and (+) , set the amount of brew water to be dispensed for that batch size. 9. When finished, press the oth er batc h size and repeat step #8.
Page 23 27 for description of %BYP ASS function). 13. Usi ng (-) and (+) , set the amount of bypass water (percentage) to be dispensed around the grounds. 14. When finished, press the oth er batc h size and repeat step #13. 15. When finished setting both batch sizes, press and release DONE .
Page 24 SET NEW RECIPE Using a RECIPE CARD to load coffee names and brew settings The G9-2T DBC or MHG Grinder’ s memory contains certain coffee names. If the operator uses a coffee name that is not already stored in the grinder’ s memor y , a RECIPE CARD can be obtained from the factor y .
Page 25 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE If not using a Smart Funnel and/or a G9-2T DBC or MGH Grinder and/or a Recipe Card It is possible to operate the brewer without using a Smart Funnel and/or G9-2T DBC or MHG Grinder .
Page 26 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure for modifying COFFEE recipes: Coffee recipes: BREW OZ: Range: OFF , 10.0 oz to 224.0 oz (.3 - 6.6 L) for both batch sizes. This function allows adjustment of the brew volumes for each batch.
Page 27 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Coffee recipes: %BYP ASS: Range: 0 to 90% for both batch sizes This function allows adjustment of the amount of water that bypasses the grounds. The number signifies the percentage of the brew volume which does not flow over the coffee grounds.
Page 28 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) COFFEE RECIPES: SET PULSE BREW/PREINFUSION 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 spray- head).
Page 29 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew – EASY Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 6, and proceed directly to step 9. 1. Press and hold the right hidden button until the dis- play reads SET LANGUAGE.
Page 30 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting PulseBrew/Preinfusion – MANUAL Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 6, and proceed directly to step 9. 1. Press and hold the right hidden button until the dis- play reads SET LANGUAGE.
Page 31 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES? NO YES NO NAME COFFEE MODIFY SHO W NEXT PRESSING NO WILL ADVANCE TO NEXT FUNCTION SCREEN ADVANCE TO THE R.
Page 32 AFTER A 5 SECOND DELA Y , DISPLA Y WILL ADVANCE TO NEXT RECIPE IN BREWER MEMORY . IF NO OTHER COFFEE NAMES ARE PRESENT , THE DISPLA Y WILL READ; PROGRAMMING THE BREWER (cont.
Page 33 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET TEMP 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 T emp Range: 185° to 205° F (85° - 96° C) 1.
Page 34 READY DEGREE This function allows the operator to set the minimum temperature allowable to start a brew cycle. The range can be from 2° to 20° F within the set temperature. The water must be at the READY temperature or higher for the display to indicate READY TO BREW .
Page 35 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ADS This function allows the operator to choose whether or not to display an advertising message. An ad can be saved to the brewer by either writing the ad using the programming commands, or by entering the ad into the brewer using an AD CARD .
Page 36 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ADS (Continued) Procedure to READ in a New Ad: NOTE: Saving a new ad will erase any previously saved ad in the brewer’ s memor y . 1. From the NEW AD? screen, press and release CARD .
Page 37 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABL SANIT A TION This function allows the operator to enable the sanita- tion function and set the time before a cleaning alert will be displayed. Procedure for enabling sanitation: Range: 0.
Page 38 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ENERGYSA VR This function allows the operator to enable the ENERGY SA VINGS 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 (60° C).
Page 39 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE FRESH TIMER Thi s funct ion all ows th e o pera tor to ena ble th e F resh ness Alert and set the expiration time. The expiration time is the amount of time the product is allowed to sit in the server/dispenser before a fresh batch is brewed.
Page 40 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REFILL Range: 0 to 155 This function allows the operator to adjust the sensitiv- ity of the refill cir cuit. This is mainly a troubleshooting feature. Water in different geographical locations can have di fferent co nducti vities .
Page 41 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) L/R SPRA Y OZ/M This function allows the operator to view or to enter the actual flow rate coming out of the sprayhead for each side of the brewer . This is NOT used to control the actual flow rate, but to tell the internal controller how fast the water is flowing.
Page 42 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) L/R BYP ASS OZ/M This function allows the operator to view or to enter the actual flow rate coming out of the bypass nozzle for each side of the brewer .
Page 43 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRA TE 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.
Page 44 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRA TE FLOW (Continued) Procedure to calibrate the bypass flow rate: 1. Place a container , accurately graduated and with a minimum capacity of 60 ounces, beneath the fun- nel.
Page 45 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 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.
Page 46 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 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.
Page 47 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE NUMBER This function allows the operator to enter in the tele- phone number to call if service is needed. The service number will be displayed anytime there is a fault mes- sage displayed (see T roubleshooting on page 55).
Page 48 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS Th is fun cti on all ows t he tes tin g of ind ivid ual c omp one nts and th e abili ty to check sw itch es for prop er funct ion. Thi s function also tests the funnel sensor coil’ s frequency (diagnostic tool for troubleshooting purposes only).
Page 49 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) TEST OUTPUTS? NO YES SER VICE T OOLS? NO YES <- <- BREW V AL VE ON NEXT OFF <- <- BYP ASS V AL VE ON NEXT OFF.
Page 50 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure to test switches: The following switches can be individually tested: <- <- Full Batch Full Batch -> -&.
Page 51 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure to test coil frequency: 1. Press and hold the right hidden button until the dis- play reads SET LANGUAGE. Press the right hidden button until the display reads SERVICE TOOLS .
Page 52 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTORY DEF AUL TS This function allows the operator to erase ALL of the pre vio usly e nter ed rec ipes a nd ad me ssag es. Fa ctory- set default values will replace ALL previous settings.
Page 53 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTORY DEF AUL T V ALUES Brew Lockout - Enabled Language - English Units - English SWITCH RECIPE Left Brew A – REGULA.
Page 54 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTORY DEF AUL T V ALUES (Continued) HOT TEA RECIPE: BREW VOLUMES Half Batch – 64 OZ Full Batch – 128 OZ % BYP ASS .
Page 55 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 T echnical Service Department.
Page 56 PROBABLE CAUSE REMEDY PROBLEM TROUBLESHOOTING (cont.) T emperature T oo Low Heating Time T oo Long Fill Time T oo Long T emp Sensor Out Of Range, Check For Bad Connections T emp Sensor Out Of Range, Check Wire For Shorts Equipment will not operate 1.
Page 57 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Check plumbing and shut-off valves Check for voltage across the termi- nals at the terminal block. T est the ON/OFF switch. Refer to the test switch procedures on page 50. T est the BREW switch.
Page 58 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Check plumbing and shut-off valves Remove the strainer and check for obstructions. Clear or replace.
Page 59 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.
Page 60 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.
Page 61 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water will not heat or display shows HEA TING TIME TOO LONG. 38112.1 042105 1. Limit Thermostat 2. T emperature probe 3. T ank heaters 4. Control Board Remove power from the brewer . Check for continuity through the limit thermostat.
Page 62 No bypass water Spitting or unusual steaming from sprayhead or air vent. 1. Bypass valve 2. Recipe settings 1. Lime buildup 2. T emperature probe 3. Control Board T est the bypass valve. Refer to the test outputs procedures on page 48. Check to make sure bypass % has been set for the current recipe.
Page 63 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). T est the brew valve. Refer to test outputs on page 48.
Page 64 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dripping from sprayhead. Water overflows filter . Beverage overflows server . Brewer is making unusual noises.
Page 65 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.
Page 66 MEMORY BOARD SCHEMA TIC WIRING DIA GRAM ICB TWIN 37299.0001C 02/07 ©2005 BUNN-O-MA TIC CORPORATION BLU-14 BLU-14 LIMIT THERMOS TAT WHI WHI WHI/RED WHI/YEL WHI WHI REFILL RIGHT DISPENSE J21-1 J21-3 J17-1 J17-5 J15-1 J15-5 J17-10 J17-14 C O N T R O L P C B O A R D COM N.
Ein wichtiger Punkt beim Kauf des Geräts Bunn ICB-TWIN (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Bunn ICB-TWIN noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Bunn ICB-TWIN - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Bunn ICB-TWIN reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Bunn ICB-TWIN erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Bunn ICB-TWIN besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Bunn ICB-TWIN verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Bunn ICB-TWIN. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Bunn ICB-TWIN gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
