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TITAN DUAL

TITAN SINGLE

SERVICE & REPAIR MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

www.bunn.com

ENABLE

TITAN

ENABLE

BREW

TITAN

RELEASED FOR PRODUCTION

DIR Num: 41747.0000 12, December 2018

Summary of Contents for TITAN SINGLE

Page 1: ...POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 www bunn com 41747 0000D 10 18 2008 Bunn O Matic Corporation ENA BLE I O TITAN ENA BLE ENA BLE I O BRE W I O B...

Page 2: ...hether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the warranty BUNN at its exclusive op...

Page 3: ...brewing process such as brew tempera ture brew volumes bypass percentages pulse brew etc Other features are Energy Savings mode Freshness Timer and Clean Alert CONTENTS Warranty 2 Table of Contents 3...

Page 4: ...ion is encountered the cause will likely be a switch contact or a loose connection at a terminal or crimp Solenoid removal requires interrupting the water supply to the valve Damage may result if sole...

Page 5: ...con nection 1 Temperature Sensor Probe wire s shorted to housing or to each other 1 No power or incorrect voltage A Wait for the brewer to heat to the proper temperature B Disable the BREW LOCKOUT fun...

Page 6: ...ch procedures on page 17 Test the brew valve Refer to the testoutputsproceduresonpage15 Substitute a control board known to be in good working order Checkplumbingandshut offvalves Remove the strainer...

Page 7: ...te that theleftnumberchangesfromahigh value when water is NOT touching the refill probe to a low valve when water IS touching the probe For best operation the right number should be set to a value mid...

Page 8: ...tage should be present at the solenoid terminals If voltage is not present refer to the wiring schematic and check the wiring harness Substitute a control board known to be in good working order ON OF...

Page 9: ...nedontofillthetank Theright numberisthethresholdsettingand can be adjusted to compensate for extremewaterconditions verypure low conductance water requires a higher setting while high mineral content...

Page 10: ...OHMS at 70 F 21 C the reading should be 11 8k 2k OHMS and at 80 F 27 C the reading should be 9 3k 2k OHMS If the probe is withintheseparameters reconnect to the control board Remove power from the bre...

Page 11: ...ector At 60 F 16 C the reading should be 15 3k 2k OHMS at 70 F 21 C the reading should be 11 8k 2k OHMS and at 80 F 27 C the reading should be 9 3k 2k OHMS If the probe is withintheseparameters reconn...

Page 12: ...fbypassisbeingusedontheincon sistent brew test the bypass valve Refer to test outputs on page 15 Turnthevalveonfor30secondsand collect the water collected from the funnel Repeatthetestseveraltimes to...

Page 13: ...cycle The mounting screws on the so lenoids must be tight or they will vibrate during operation Plumbinglinesshouldnotberesting on the countertop The brewer must be connected to a cold water line Wat...

Page 14: ...funnel and the bed of grounds leveled by gently shak ing Use the four wire loops on the funnel to hold filter in place while brewing Empty the server remove its cover and place the server beneath the...

Page 15: ...ing the previous one 8 The display should now read BYPASS VALVE on SINGLE brewers BYPASS VALVE on DUAL brewers To test the left bypass valve press ON If the bypass valve is functional water should run...

Page 16: ...ASS ON NEXT OFF RIGHT FUNEL LOCK ON NEXT OFF REFILL VALVE ON NEXT OFF TANK HEATR RELAY ON NEXT OFF BREW VALVE ON NEXT OFF BYPASS ON NEXT OFF FUNNEL LOCK ON NEXT OFF SINGLE BREWERS DUAL BREWERS EXIT TO...

Page 17: ...in the TEST SWITCHES screen to test the switches The display will read NOTHING PRESSED 6 From this screen press any of the switches on the front of the brewer except the upper right hidden switch Whil...

Page 18: ...2 With the power connected to brewer the voltage reading to the board should be the line voltage rated for that model If no voltage is present check wiring to the board If voltage is present and brew...

Page 19: ...hree commons in this circuit pins 9 10 21 Disconnect brewer from power source before discon necting ribbon cable from control board Removal and Replacement 1 Disconnecttheribboncablefrom22 pinconnecto...

Page 20: ...Diagrams and check the brewer wiring harness Also check the control board and switch for proper operation Removal and Replacement 1 Disconnect the brewer from the power source 2 Disconnect wires from...

Page 21: ...valve in the test mode With a voltmeter check the voltage across the coil wires 3 Theindicationmustbe120voltsacfor120 208and 120 240 volt models or 230 volts ac for 230 400 volt models If voltage is p...

Page 22: ...placement 1 Remove the top cover from the brewer 2 Disconnect the wires from tank heater terminals 3 Remove the four 8 32 nuts securing the tank heater s to the tank lid assembly 4 Removetankheater s...

Page 23: ...sent as described proceed to 4 4 Disconnect temperature probe from J13 on con trol board Check the resistance across the two terminalsofthetemperatureprobe Theindication should be aproximately between...

Page 24: ...be 208 volts ac for 120 208 volt models 240 volts ac for 120 240 volt models or 230 volts ac for 230 400 volt models 7 Disconnect the brewer from the power source If voltage is present as described p...

Page 25: ...FUNNEL LOCK Optional BRN BLK BRN WHI SOL SOL DISPENSE TRANSFORMER 10VA J16 1 J16 5 J20 1 J20 3 LEFT FULL LEFT FULL LEFT HALF LEFT HALF LEFT ON OFF LEFT ON OFF RIGHT BREW C LEFT BREW A RIGHT PROG LEFT...

Page 26: ...F LEFT ON OFF RIGHT BREW C LEFT BREW A RIGHT PROG LEFT BREW C RIGHT FULL RIGHT FULL RIGHT HALF RIGHT HALF RIGHT ON OFF RIGHT ON OFF LEFT BREW B TANK HEATER 1 CONTACTOR BLK 12 BLU 12 RED 12 BLK 12 VIO...

Page 27: ...RED RED WHI GRN LEVEL PROBE t J13 1 SWEETENER INJECTOR SOL SOL FUNNEL LOCK Optional BRN BLK BRN WHI SOL SOL DISPENSE TRANSFORMER 10VA J16 1 J16 5 J20 1 J20 3 LEFT FULL LEFT FULL LEFT HALF LEFT HALF L...

Page 28: ...T FUNNEL LOCK Optional BRN BLK BRN WHI SOL RIGHT FUNNEL LOCK Optional BLU BLU BLK SOL SOL WHI RIGHT BYPASS SOL WHI ORN LEFT DISPENSE SOL TRANSFORMER 10VA J16 1 J16 5 J20 1 J20 3 LEFT FULL LEFT FULL LE...

Page 29: ...K Optional BLU BLU BLK SOL SOL WHI RIGHT BYPASS SOL WHI ORN LEFT DISPENSE SOL TRANSFORMER 10VA J16 1 J16 5 J20 1 J20 3 LEFT FULL LEFT FULL LEFT HALF LEFT HALF LEFT ON OFF LEFT ON OFF RIGHT BREW C LEFT...

Page 30: ...FUNNEL LOCK Optional BLU BLU BLK SOL SOL WHI RIGHT BYPASS SOL WHI ORN LEFT DISPENSE SOL TRANSFORMER 10VA J16 1 J16 5 J20 1 J20 3 LEFT FULL LEFT FULL LEFT HALF LEFT HALF LEFT ON OFF LEFT ON OFF RIGHT B...

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