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Bunn TITAN DUAL - page 1
TIT AN DUAL™ INST ALLA TION & OPERA TING MANU AL 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 ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, please visit the Bunn-O-Matic website, at www .bunn.com. This is absolute ...
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Bunn TITAN DUAL - page 2
Page 2 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. 3) Compressors on refrigeration equipment: 5 years parts and 1 ...
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Bunn TITAN DUAL - page 3
Page 3 INTRODUCTION This equipment will brew coffee into an awaiting server or airpot. The brewer may have an auxillary 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. This brewer can be programmed to adjust different functions of the brewing process ...
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Bunn TITAN DUAL - page 4
Page 4 #00656.0000 This equipment must be installed to comply with the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Adminis- tration (FDA). For models installed outside the U.S.A., comply with the applicable Plumbing /SanitationCode. #00986.0000 USER NOTICES Carefully read and follow al ...
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Bunn TITAN DUAL - page 5
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. ELEC ...
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Bunn TITAN DUAL - page 6
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. 4. T urn on the water supply . PLUMBING REQUIREMENTS This brewer must be connected to ...
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Bunn TITAN DUAL - page 7
Page 7 A. MAIN ON/OFF SWITCH This switch, located under the brewer in front of the right rear leg, turns power on and off to all components in the brewer . B. ON/OFF SWITCH (ENABLE BREW) Pressing the "ON/OFF" button will alternately turn the selected brewing side on and off. Pressing this button during the brew cycle will interrupt the br ...
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Bunn TITAN DUAL - page 8
Page 8 INITIAL SET -UP VIEWING ASSET & SERIAL NUMBER 1. T o view the asset number of the machine, press and hold the left hidden button until the display reads: ANXXXXXX...ASSET NUMBER . Release the left hidden button. 2. After a 5 second delay , the display will read: DTTNXXXXXX . This is the serial number of the machine. 1. Insert an empty fu ...
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Bunn TITAN DUAL - page 9
Page 9 COFFEE BREWING 1. Begin each brew cycle with a clean empty brew funnel. 2. Insert a BUNN filter into the funnel. NOTE: The funnels are equipped with 4 wire loops that can be folded over top edge of filter if desired, to prevent filter from folding in during the brew cycle. 3. Pour the fresh coffee into the filter and level the bed of gro ...
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Bunn TITAN DUAL - page 10
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. NO TE: Any buildup on the sprayhead may restrict water ...
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Bunn TITAN DUAL - page 11
Page 11 GLOSSAR Y BREW LOCKOUT : The inability to initiate a brew if the water temperature is less than the ready temperature programmed into the brewer . BREW METER : The setting of a pulse brew routine by entering in the total desired water delivery time. The brewer will then calculate and perform a pulse brew routine using a predetermined formul ...
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Bunn TITAN DUAL - page 12
Page 12 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, pulse brew , etc. This allows for the precise brewing of various flavors of coffee. Programming of the brewer is achieved by entering ...
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Bunn TITAN DUAL - page 13
Page 13 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 . PROGRAMMING LOCKOUT SWITCH (located on the main circuit board. This switch can be set to preve ...
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Bunn TITAN DUAL - page 14
Page 14 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 SET TEMP 200° (-) DONE (+) READ Y TEMP 195° (-) DONE (+) ENABLE ADS? NO DONE YES ENABLE CLEAN ? NO DONE YES ENABL ENERGYSA VR NO DONE YES ENABLE FRESH TIMER NO DONE ...
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Bunn TITAN DUAL - page 15
Page 15 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. Release when the display reads: PROGRAMMING THE BREWER (con ...
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Bunn TITAN DUAL - page 16
Page 16 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 . Using (-) and (+) , scroll through the available languages until the desir ...
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Bunn TITAN DUAL - page 17
Page 17 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. 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 button unti ...
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Bunn TITAN DUAL - page 18
Page 18 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. Press and hold the right hidden button un ...
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Bunn TITAN DUAL - page 19
Page 19 READY TEMP 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 . If brew lockout is enabled, the brewing process will not start below thi ...
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Bunn TITAN DUAL - page 20
Page 20 BREW SETTINGS ? NO YES L BREW OZ XXX.X (-) DONE (+) % BYP ASS XXX.X (-) DONE (+) BREW SETTINGS This function allows the operator to modify the BREW VOLUMES, BYP ASS PERCENT AGES and BREW METER for each batch size of both brew stations. Procedure to set or modify brew volumes. Range: 10 to 500 oz. 1. Press and hold the right hidden button un ...
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Bunn TITAN DUAL - page 21
Page 21 BREW SETTINGS (cont.) Procedure to set or modify % Bypass settings. Range: 0 to 90% for both batch sizes 1. Press and hold the right hidden button until display reads SET LANGUAGE. Press the right hidden but- ton until display reads BREW SETTINGS ? . 2. Press YES to proceed. The display should now read LEFT SIDE , along with MODIFY , SHOW a ...
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Bunn TITAN DUAL - page 22
Page 22 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW SETTINGS (cont.) Procedure to set or modify BREW METER. Range: 1 to 14 for both batch sizes NOTE: Using BREW METER will overwrite PULSE BREW settings. This function allows the operator to program the brewer to a non-pulsed brew cycle (setting 1), or to “pulse” t ...
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Bunn TITAN DUAL - page 23
Page 23 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 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). This feature allows the ability to “fine-tune” the brewer ...
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Bunn TITAN DUAL - page 24
Page 24 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 1st ON TIME X:XX (-) DONE (+) OFF TIME: X:XX (-) DONE (+) BREW SETTINGS ? NO YES LEFT SIDE MODIFY SHO W NEXT PRESSING NO WILL ADVANCE TO NEXT FUNCTION SCREEN SET PULSE BREW NO YES PRESS AND RELEASE RIGHT HIDDEN SWITCH UNTIL DISPLA Y READS: SET BOTH BA TCH SIZES LAST ON T ...
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Bunn TITAN DUAL - page 25
Page 25 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) DRIP TIME This function allows the operator to adjust the DRIP TIME (time from end of sprayhead flow to when liquid stops dripping from the funnel). When the brew cycle is complete, the display will show DRIPPING and will countdown the time until the funnel empties. Set ...
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Bunn TITAN DUAL - page 26
Page 26 2 B A TCHES DONE? NO YES REVIEW SETTINGS ? NO YES BREW SETTINGS ? NO YES LEFT SIDE MODIFY SHO W NEXT PRESSING NO WILL ADVANCE TO NEXT FUNCTION SCREEN DRIP TIME X:XX (-) DONE (+) PRESS AND RELEASE RIGHT HIDDEN SWITCH UNTIL DISPLA Y READS: SET BOTH BA TCH SIZES 5 SEC. PRESSING NO WILL RETURN TO DRIP TIME SCREEN LEFT SIDE SETUP COMPLETE 5 SEC. ...
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Bunn TITAN DUAL - page 27
Page 27 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 differe nt cond uctivit ies. By adjust ing the sensit ivity of the r ...
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Bunn TITAN DUAL - page 28
Page 28 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. Pr ...
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Bunn TITAN DUAL - page 29
Page 29 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 . This is NOT used to control the actual flow rate, but to tell the internal controller how fast the water is flowin ...
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Bunn TITAN DUAL - page 30
Page 30 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. The volumes are then entered into the brewer . Procedure to calibrate the sprayhead ...
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Bunn TITAN DUAL - page 31
Page 31 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. 2. Press and hold the right hidden button until the display reads SET LANGUAGE. Press the ...
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Bunn TITAN DUAL - page 32
Page 32 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. There are four resettable counters, and one life counter that is not resettable. Procedure to vie ...
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Bunn TITAN DUAL - page 33
Page 33 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 . This message will b ...
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Bunn TITAN DUAL - page 34
Page 34 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ADS (Continued) ENABLE ADS NO DONE YES PRESSING DONE WHEN NO IS FLASHING WILL DISABLE THIS FUNC- TION AND ADVANCE TO ENABLE CLEAN WRITE TOP LINE? NO YES A SCROLL DONE NEXT WRITE BTM LINE? NO YES A SCROLL DONE NEXT (VIEW WRITTEN AD VERTISEMENT) ENABLE CLEAN ? NO DO ...
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Bunn TITAN DUAL - page 35
Page 35 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABL CLEAN 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 clean: Range: 0.0 to 72.0 hrs 1. Press and hold the right hidden button until the display reads SET LANGUA ...
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Bunn TITAN DUAL - page 36
Page 36 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). P ...
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Bunn TITAN DUAL - page 37
Page 37 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE FRESH TIMER Thi s fun ctio n all ows the op erat or to enab le th e Fres hnes s 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. Procedure for enablin ...
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Bunn TITAN DUAL - page 38
Page 38 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. Procedure to enter the asset number: 1. Press and hold the right hidden button until th ...
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Bunn TITAN DUAL - page 39
Page 39 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 46). Procedure to enter the service number: 1 ...
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Bunn TITAN DUAL - page 40
Page 40 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS Th is fu nct ion allo ws the tes ting of ind ivid ual com pone nts and the ab ility to che ck sw itche s for prope r func tion . This function also tests the funnel sensor coil’ s frequency (diagnostic tool for troubleshooting purposes only). Procedure to ...
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Bunn TITAN DUAL - page 41
Page 41 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 <- <- FUNNEL LOCK ON NEXT OFF PRESSING NO WILL ADVANCE TO FACTOR Y DEFAUL TS BREW V AL VE -> -> ON NEXT OFF BYP ASS V AL VE -> -> O ...
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Bunn TITAN DUAL - page 42
Page 42 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure to test switches: The following switches can be individually tested: <- <- Full Batch Full Batch -> -> <- <- Half Batch Half Batch -> -> <- <- Power Power -> -> <- <- Brew Switch Brew Switch -> -> Left Hidden DONE ...
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Bunn TITAN DUAL - page 43
Page 43 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 . 2. Press and release YES . The display should now read TEST OUTPUTS? Press and releas ...
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Bunn TITAN DUAL - page 44
Page 44 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 ente red reci pes and ad messa ges . Fac tory- set default values will replace ALL previous settings. Procedure to set factory defaults: 1. Press and hold the right hidden button until ...
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Bunn TITAN DUAL - page 45
Page 45 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTORY DEF AUL T VALUES Brew Lockout - Enabled Language - English Units - English BREW VOLUMES Half Batch – 192 OZ Full Batch – 384 OZ % BYP ASS Half Batch – 0 % Full Batch – 20 % PULSE BREW TIMES Half Batch – Manual :1:00/:10/:12 Full Batch – Manual :Disab ...
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Bunn TITAN DUAL - page 46
Page 46 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 Ser vice Department. • Inspection, testing, and repair of electrical equipment should be per formed onl ...
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Bunn TITAN DUAL - page 47
Page 47 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. Water temperature in the tank does not meet the ready tempera- ture. 1. T ank Heater failur ...
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Bunn TITAN DUAL - page 48
Page 48 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 42. T est the BREW switch. Refer to the test switch procedures on page 43. T est the brew valve. Refer to the test outpu ...
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Bunn TITAN DUAL - page 49
Page 49 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 27. If the left three digit number is less than the right number , the machine “thinks” it is full and the refill ...
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Bunn TITAN DUAL - page 50
Page 50 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 present, the coil may be stuck closed. Shut wa ...
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Bunn TITAN DUAL - page 51
Page 51 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 to the REFILL function on page 27. If the left ...
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Bunn TITAN DUAL - page 52
Page 52 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water will not heat or display shows HEA TING TIME TOO LONG. 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. CAUTION: Do not eliminate or bypass limit thermo- stat. Use only repl ...
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Bunn TITAN DUAL - page 53
Page 53 No bypass water Spitting or unusual steaming from sprayhead or air vent. 1. Bypass valve 1. Lime buildup 2. T emperature probe 3. Control Board T est the bypass valve. Refer to the test outputs procedures on page 40. Ins pec t the prob e an d tan k as semb ly for excessive lime deposits. Delime as required. Remove the probe from the grom- m ...
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Bunn TITAN DUAL - page 54
Page 54 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 40. T urn the valve on for 30 seconds and collect the water dispensed from the spray- hea ...
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Bunn TITAN DUAL - page 55
Page 55 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 started only with an empty ser ver under the f ...
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Bunn TITAN DUAL - page 56
Page 56 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Weak beverage. BUNN paper filters should be used for proper extraction 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 ground coffee in the funnel The BUNN paper filter should b ...
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Bunn TITAN DUAL - page 57
Page 57 L1 L2 L3 L1 L2 L3 N TERMINAL BLOCK SCHEMA TIC WIRING DIA GRAM TIT AN DU AL 39972.0000B 07/07 ©2007 BUNN-O-MA TIC CORPORATION RED/BLK WHI WHI WHI WHI/RED 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.O. BLK WHI/GRN WHI/BLU WHI 120/208 OR 120/240 VO L TS AC 50-60 Hz 3 PHASE ...
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Bunn TITAN DUAL - page 58
Page 58 L1 L2 L3 N L1 L2 L3 N TERMINAL BLOCK SCHEMA TIC WIRING DIAGRAM TIT AN DUAL CE 39972.0001A 03/08 ©2008 BUNN-O-MA TIC CORPORATION RED/BLK WHI WHI WHI WHI WHI WHI WHI-12 WHI/RED 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.O. BLK BLK WHI/GRN WHI/BLU WHI 230/400 VO L T S AC + ...
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