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Bunn SNG0033000 User's Manual

1. n 36 MEN TN 36 ET PP 37 pag cbe MT e 37 D d S e er ener oe ee 38 TeSt PUN s ET RR 38 Factory D faults Reset UU Shane veneer 39 GR nana DU 40 S0hematie Wining DIagralm NR M tT baik 51 35879 1 071405 USER NOTICES The notices on this brewer should be kept in good condition Replace unreadable or damaged labels A WARNING Fill water tank before turning on thermostat or connecting appliance to power source Use only on a properly protected circuit capable of the rated load Electrically ground the chassis Follow national local electrical codes DISCARD DECANTER IF CRACKED SCRATCHED BOILED DRY HEATED WHEN EMPTY USED ON HIGH FLAME FUNNEL CONTENTS OR EXPOSED ELECTRIC ARE HOT ELEMENTS Do not use near combustibles READ THE ENTIRE OPERATING MANUAL ce BEFORE USING THIS PRODUCT s FAILURE TO COMPLY RISKS INJURY READ THE ENTIRE OPERATING MANUAL BEFORE BUYING OR USING THIS PRODUCT THIS APPLIANCE IS HEATED WHENEVER 00658 0000 CONNECTED TO A POWER SOURCE 00831 0000F 3 98 1998 BUNN O MATIC CORPORATION A WARNING 00831 0000 REMOVE FUNNEL This equipment must be installed to comply with the International Plumbin
2. SINGLE TF DBC W SMART FUNNEL S N SNG0033000 amp UP INSTALLATION amp OPERATING MANUAL BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 To 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 absolutely FREE and the quickest way to obtain the latest catalog and manual updates Contact Bunn O Matic Corporation at 1 800 286 6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U S Postal Service 35879 0001 01 08 2005 Bunn O Matic Corporation www bunn com 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 Compressors on refrigeration equipment 5 years parts and 1 year labor 4 Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis parts and labor for 3 years or 30 000 pounds of coffee whichever comes first These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the applica
3. o Brewer NEW SPRAY FLOW _ XX X OZ M P2307 Procedures to calibrate the bypass flow rate 1 Place container accurately graduated in ounces and with a minimum capacity of 60 ounces below the funnel on the brewer Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads CALIBRATE FLOW Press and release YES to advance to the SPRAY HEAD CAL function screen Pressing NO in the CALIBRATE FLOW screen will advance to the next function screen BREW COUNTERS Press and release NO to advance to the BYPASS CALIBRATION screen Page 35 5 Press and release the YES pad The display should read CONTAINER READY If the container is under the funnel press YES The display should read CALIBRATE BYPASS PRESS BREW TO START Press and release the BREW switch The display should read CALIBRATE BYPASS 60 SEC TO FINISH The 60 second timer on the display will count down to zero When the counter reaches zero the display will change to ENTER 0Z along with a number measured in ounces per minute CALIBRATE FLOW EXIT TO THE NEXT FUNCTION SCREEN SPRAYHEAD CAL NO YES Brewer Choir BYPASS CAL CONTAINER RDY NO YES Digar Brewer Chor CALIBRATE BYPASS PRESS BREW START BREW PRESSED COUNTS DOWN SOSERD CALIBRATE BYPASS 60 SEC T
4. Page 29 SET PULSE BREW EASY PULSE SETUP NO YES Deiat Brewer ENTER TIMES 1st ON TIME X XX DONE Charo OFF TIMES X XX DONE Deiat LAST ON X XX DONE Digital Contos d 1st OFF LAST 5 SEC DELAY 3 BATCHES DONE NO YES EXIT TO NEXT FUNCTION SCREEN EXIT TO NEXT FUNCTION SCREEN P3265 35879 1 071405 PROGRAMMING THE BREWER cont SET PREINFUSION This function sets the brewer to turn the sprayhead flow on for a preset time 1st ON TIME followed by a preset spray pause OFF TIMES and then turn the spray on continuously until the brew volume is completed This is a special case of pulse brew It is not pos sible to set a batch size to have both pulse brew and preinfusion One or the other or neither must be chosen However it is possible to set one batch size to pulse brew and the other two to preinfusion or vice versa NOTE The procedure to enter the PULSE BREW function must be performed prior to following the Steps listed below 1 Press and release YES The display should now read EASY PULSE SETUP 2 Press and release NO The display will read ENTER TIMES 3 Press YES to proceed The display should now read 1st ON TIME X XX 4 Using and set the amount of time the flow of water into the funnel will be on 5 When finished press DONE The display will now read OFF TIMES X XX 6 Using
5. EASY PULSE SETUP NOTE The procedure to enter the PULSE BREW function must be performed prior to following the Steps listed below 1 2 The display should read BREW TIME X XX and a batch size indicator will be flashing Using and set the desired brew time for the selected batch size When finished select another batch size to be set by pressing the switch next to the indicator light Repeat step 2 for each batch size to be set When finished setting all batch sizes press done The display should read 3 BATCHES DONE Ifthe three batch sizes are not correct press and release NO to return to BREW TIME setup screen and repeat steps 2 thru 4 If they are correct press YES This will display the 1st OFF and LAST times for 5 seconds then advance to the DRIP TIME setup See DRIP TIME SET UP SET PULSE BREW NO YES o Brewer Cr EASY PULSE SETUP NO YES Digital Y ENTER TIMES NO YES o Choir 28 See SET PULSE BREW ENTER TIMES BREW TIME XX X DONE Digar Choir 3 BATCHES DONE NO YES oz ist OFF LAST 5 SEC DELAY DRIP TIME DONE Digital 3 BATCHES DONE NO YES COFFEE NAME SETUP COMPLETE P3507 35879 1 071405 PROGRAMMING THE B
6. COFFEE NAME MODIFYSHOWNEXT Digitar Brewer a Brewer BYPASS XX X DONE 2 Biewer 3 BATCHES DONE NO YES oz Biewer SET PULSE BREW NO YES Brewer RE WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ THAT WAS THE LAST RECIPE Ld SEE MODIFYING PULSE BREW ON THE FOLLOWING PAGE OR PRESS AND RELEASE ON OFF PAD TO EXIT THE 9 BYPASS SETUP AND P2444 TURN TO THE MAIN SCREEN Page 25 35879 1 071405 PROGRAMMING THE BREWER cont SET PULSE BREW This function allows the operator to program the brewer to pulse the sprayhead flow on and off con tinually during a brew cycle start and stop the flow of water out of the sprayhead This feature allows the ability to fine tune the brewer for specific flavor profiles Pulse brewing can be set up for any and all batches gt ER TD GU fotos AN ON ON INITIAL SPRAY TIME TIME TIME ALTERNATES UNTIL BREW CYCLE IS OFF OFF OFF COMPLETED TIME TIME TIME P2293 a 1st ON TIME This time is the duration from when the BREW switch is pressed to when the desired water level in the funnel is reached Soaking the grounds b OFF TIM
7. Each coffee NAME can be set individually to provide optimum brewing quality RECIPES This diagram allows for the creating modifying or viewing of recipes in the brewer DON T KNOW YES FOLLOW INSTRUCTIONS ON THE RECIPE CARD YOU WILL MODIFY AN EXISTING RECIPE GO TO REVIEW RECIPES AND FOLLOW INSTRUCTIONS TO VIEW A LIST OF EXISTING RECIPES GO TO REVIEW RECIPES AND FOLLOW THE INSTRUCTIONS ARE YOU CREATING OR CHANGING A RECIPE FOR A COFFEE NAME PREVIOUSLY USED IN THIS BREWER NO HAVE YOU RECEIVED A RECIPE CARD CONTAINING THE NEW RECIPE YES NO BREW SETTINGS DON T KNOW GO TO SET NEW RECIPE YOU WILL ENTER AND FOLLOW THE THE NO NAME INSTRUCTIONS REFER TO NAME LIST Page 14 METHOD 2 Using a RECIPE CARD to enter all of the brew set tings at one time If using acoffee name notin the grinder s memory the customer can obtain a RECIPE CARD from the factory with all the information needed to set up that particular coffee flavor This includes the COFFEE NAME BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES PREINFUSION TIMES and DRIP OUT TIMES METHOD 3 Not using a Smart Funnel and or a G9 2T DBC or MHG Grinder This allows the operatorto enter ONE set of brewing parameters for each side in the event a Smart Funnel and oraG9 2T DBC or MHG is not used with the brewer This is referred to as a NO NAME coffee flavor If the brewer does not read the information in the funnel s handle it au
8. Press and release the upper right hidden switch until the display reads SEL BREWER TYPE Pressing NO inthis screen will advance to FACTORY DEFAULTS Press and release YES The display should read ThermoF SoftHeat The selected brewer type will be flashing When correct brewer type is selected press DONE The display should now read FACTORY DEFAULTS Pressing NO in this screen will revert to the MAIN SCREEN Press YES to replace the defaults This advances to WILL REPLACE ALL BREWING SET TINGS This screen will alternate with ARE YOU SURE Pressing NO in the confirmation screen will revert to MAIN SCREEN without resetting the brewing setups to the defaults Press YES to load the de faults This will then revert to the MAIN SCREEN and the factory default values will replace all previously entered values It will NOT reset the summation Brew counter Page 39 35879 1 071405 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 personnel All electronic components have 120 240 volt ac and low voltage dc potential on their terminals Shorting of terminals or the application of external voltages may result in board failure Interm
9. VOLTAGE V1 V2 L1 L2 L3 are the 3 phases V1 Phase to phase voltage between any 2 phases V2 Phase to neutral voltage L1 to neutral must be 120V CAUTION Do not connect L1 to a circuit operating at more than 150 volts to ground has been hooked up the brewer is ready for nitial Set Up WARNING Electrical connections must be made as specified above Failure to follow these instructions can result in personal injury property or equipment damage Page 6 35879 1 071405 CE REQUIREMENTS e This appliance must be installed in locations where it can be overseen by trained personnel e For proper operation this appliance must be installed where the temperature is between 0 C to 35 C e Appliance shall not be tilted more than 10 for safe operation An electrician must provide electrical service as specified in conformance with all local and national codes e This appliance must not be cleaned by water jet e This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given instructions concern ing use of this appliance by a person responsible for its safety e f the power cord is ever damaged it must be replaced by the manufacturer or authorized service personel with a special cord available from the manufacturer or its authorized service personel in order to avoid a hazard PLUMBING REQUIRE
10. press YES This will advance to the BYPASS function Refer to BYPASS for description 96 BYPASS XX X DONE Brewer Cro 3 BATCHES DONE NO YES Dagivat Breuer Conor SET PULSE BREW NO VES Brewer Cure P2416 12 Using and set the amount of bypass water percentage to be dispensed around the grounds for that particular batch size 13 When finished press another batch size and repeat step 12 for each batch to be set 14 When finished setting each batch size press DONE The display should read 3 BATCHES DONE 15 If the three batch sizes are not correct press and release NO to return to the BYPASS setup screen and repeat steps 12 through 15 If they are correct press YES This willadvanceto SET PULSE BREW Refer to SET PULSE BREW for description 16 To SET PULSE BREW if setting pulse brew using EASY PULSE brewing into a funnel press YES and proceed with the setup instructions for SET TING PULSE BREW EASY PULSE 17 If setting pulse brew by ENTER TIMES entering known times press NO The display should read ENTERTIMES Pressand release YES and proceed Page 20 with the setup instructions for SETTING PULSE BREW ENTER TIMES SET DRIP TIME Refer to SET DRIP TIME for description DRIP TIME X XX DONE b Brewer Ciare 3 BATCHES DONE NO YES ear SETUP
11. the brewer will display OVERFLOW CUP FULL EMPTY CUP The reason for overfilling could be a defective refill valve an incorrect sensitivity setting see above or boiling Substitute a control board known to be in good working order Foreign material lodged in valve holding it in open state 35879 1 071405 TROUBLESHOOTING cont Problem Water flows into tank continuously with power applied to brewer Water will not heat or display shows HEATING TIME TOO LONG Possible Cause 1 Refill Probe or Sensitivity Set ting 2 Electronic Control Board 1 Limit Thermostat CAUTION Do not eliminate or bypass limit thermostat Use only replacement part 23717 0001 2 Tank Heaters Page 46 Troubleshooting Procedures Check the sensitivity setting Refer to the Refill function If the left three digit number is less than the right number the machine thinks it is full and the refill valve should be off If the left number is larger than the right then the refill valve will automatically be turned on to fill the tank The right number is the threshold setting and can be adjusted to compensate for extreme water conditions very pure low conductance water requires a higher setting while high mineral content high conductance water requires a lower setting Note that the left number changes from a high value when wateris NOT touching the refill probe to a low value when water IS touching the probe For best op
12. Button Brewer Center Hidden Button Control Right Hidden Button pie 120 VOLT A C Large Batch LED Medium Batch LED 2 WIRE SINGLE PHASE Small Batch LED On Off LED 60HZ Page 53 FUNNEL LOCK 35879 1 071405 SCHEMATIC WIRING DIAGRAM Ja b SINGLE TF DBC MAIN ON OFF SWITCH Late Models only 1 RED 14 BLK 14 LIMIT THERMOSTAT TRIAC TANK HEATER BLK 14 BLK 14 MT2 44 MI1 BLU 14 RED 14 x SWITCH UNIT ASSEMBLY SHIELD FUNNEL SENSOR E En VIO J9 1 lt lt WHI VIO J11 1 BREW VIO RED gis J9 5 WHI ten J2 1 CONTROL PC BOARD N C 311 10 fe AN OVERFLOW PROTECTION SWITCH BLK J2 5 RED WATER LEVEL TEMP PROBE BRN WHI PROBE BRN BLK J2 10 J11 18 FUNNEL LOCK Switch Unit Assembly Codes Brew Medium Batch On Off Small Batch Hidden Left Digital Left Hidden Button Hidden Right D2 Brewer Center Hidden Button Large Batch D3 Control Right Hidden Button sare 200 208 or 240 VOLT A C Large Batch LED Medium Batch LED Small Batch LED On Off LED 2 WIRE GND SINGLE PHASE 50 60HZ Page 54 35879 1 062107
13. It must be between 20 and 90 psi 138 and 620 kPa Test the Brew Valve Refer to Testing Individual Components Turn the valve on for 30 seconds and collect the water dispensed from the spray head Repeat the test several times to confirm a consistent volume of dispensed water If not consistent check the valve tubing and spray head for lime buildup If bypass is being used on the inconsistent brewing recipe test the Bypass Valve Refer to Testing Individual Components Turn the valve on for 30 seconds and collect the water collected from the bypass opening Repeat the test several timesto confirm aconsistent volume of dispensed water If not consistent check the valve tubing and bypass opening for lime buildup Inspect for lime buildup that could block the tank tank fittings tubing valves and sprayhead 35879 1 071405 TROUBLESHOOTING cont Problem Consistently high or low beverage level in server Dripping from sprayhead Water overflows filter Beverage overflows server Weak beverage Possible Cause 1 Brew Volume adjustment 1 Brew Valve 1 Type of paper filters 2 No sprayhead 1 Beverage left in server from previ ous brew 2 Brew Volume adjustment 1 Type of paper filters 2 Coffee 3 Sprayhead 4 Funnel Loading 5 Water temperature Page 49 Troubleshooting Procedures Adjust the brew volume as required to achieve the recommended volume for each brew cycle
14. NEXT RESET 1 tal Brewer gu Hn TEST OUTPUTS NO YES SERVICE TOOLS NO YES HEATER CONTACTOR counto TEST SWITCHES ON NEXT OFF NEXT NO YES SEL BREWER TYPE NO YES TEST FREQUENCY NO YES ThermoF SoftHeat DONE FACTORY DEFAULTS NO YES FINISHED returns to main screen Page 17 35879 1 071405 PROGRAMMING THE BREWER cont UNITS SETTING UNITS OF MEASURE This function allows the units of measure to be set in English or Metric readings for all screens The program is defaulted to English WARNING Changing the unit of measure will erase all coffee recipes stored in memory preinfu sion pulse times etc will also be erased If using this option after information has been stored it is importantto havethis information stored elsewhere so that the machine can be reprogrammed Procedure for modifying units of measure 1 Press and hold upper right hidden switch until the display reads UNITS Release switch Press and release METRIC or ENG to make a selection UNITS Press DONE to proceed The display should now read CHANGING UNITS WILL ERASE ALL PREVIOUSLY STORED RECIPES AND ALL SETUP INFO WILL BE LOST ARE YOU SURE Press YES to begin the change While the change is in process the display will read RESTORING DEFAULTS and a count down will begin When the count down reaches 0 the display will read SET NEW RECIPE The
15. 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 Adjust the brew volume as required to achieve the recommended volume for each brew cycle BUNN paper filters should be used for proper extraction A sufficient quantity of fresh drip or regular grind should be used for proper extraction B O M sprayhead should be used to properly wet the bed of ground coffee in the funnel The BUNN paper filter should be centered in the funnel and the bed of ground coffee leveled by gentle shaking Empty the server remove its cover and place the server beneath the sprayhead Place empty funnel over the server entrance with ON OFF switch in the ON position press the Brew switch and release it Check the water temperature immediately below the sprayhead with a ther mometer The reading should not be less than 195 F 91 C 35879 1 071405 TROUBLESHOOTING cont Problem Weak beverage cont Brewer is making unusual noises Possible Cause 6 Incorrect Recipe 1 Solenoid Inlet 2 Plumbing lines 3 Water Supply 4 Tank Heaters Page 50 Troubleshooting Procedures Consider adjusting bypass percent age preinfusion or pulse brew Contact Bunn O Matic for sugges tions The nut on back of the solenoid must be tight or it will vibrate during Operation Plumbing lines
16. THE BREWER cont DRIP TIME now displayed on non funnel lock units as well This function allows the setting or modification of the funnel locks to stay engaged after the end of a brew cycle This ensures that the funnel cannot be removed until after the liquid has emptied out of the funnel Procedure to modify drip times Range OFF to 10 minutes for all three batch sizes NOTE If the brewer is already in the DRIP TIMES screen it is not necessary to follow steps 1 through 9 in this section but proceed directly to step 10 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and hold the upper right hidden switch until the display reads REVIEW RECIPES 2 Press YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT Press and release NEXT to advance to the desired coffee name to be modified 4 Press and release MODIFY The display should read BREW 0Z 5 Pressand release DONE The display should read 3 BATCHES DONE 6 Press and release YES The display should now read 9o BYPASS 7 Pressand release DONE The display should read 3 BATCHES DONE 8 Press and release YES The display should now read SET PULSE BREW 9 Pressandrelease NO The display should now read DRIP TIME along with either the word OFF or a time will be showing A batch light should also be blinking Using the and 4 set the amount of time fro
17. and 4 set the amount of time the flow of water into the funnel will be off 7 When finished press DONE The display will now read LAST ON Prel 8 If the display shows a time use and to set it to read Prel Prel is an abreviation for preinfu sion 9 Whenfinished press DONE The display will show the two settings and Prel just entered for that batch size After a 5 second delay the display will read 3 BATCHES DONE 10 If other batch sizes need to be modified press NO 12 Press a different batch size pad and repeat steps 3 through 7 Repeat until all the desired batch sizes are Set 13 When finished press YES in 3 BATCHES DONE The display will then read DRIP TIME 14 Press and release the ON OFF switche located on the front switch panel to exitthe SET PULSE BREW function and return to the MAIN SCREEN Page 30 NOTE Pressing the upper right hidden button before reaching the final setting screen exits the setup and retains the old values SET PULSE BREW NO MES EASY PULSE SETUP NO YES EXIT TO NEXT FUNCTION SCREEN ae ENTER TIMES NO YES Brewer Control ae 1st ON TIME X XX DONE Brewer OFF TIMES X XX DONE LAST ON Prel DONE Biewer 1st OFF LAST 5 SEC DELAY 3 BATCHES DONE NO YES Connor EXIT TO NEXT FUNCTION SCREEN P3265 1 35879 1 071405 PROGRAMMING
18. check for obstructions Clear or replace 35879 1 071405 TROUBLESHOOTING cont Problem Automatic refill will not operate or display shows FILL TIME TOO LONG cont Water flows into tank continuously with power removed from brewer Possible Cause 3 Refill Probe or Sensitivity Set ting 4 Refill Valve 5 Overflow Protection Switch 6 Electronic Control Board 1 Refill valve Page 45 Troubleshooting Procedure Check the sensitivity setting Refer to the Refill function If the left three digit number is less than the right number the machine thinks it is full and the refill valve should be off If the left number is larger than the right then the refill valve will automatically be turned on to fill the tank The right number is the threshold setting and can be adjusted to compensate for extreme water conditions very pure low conductance water requires a higher setting while high mineral content high conductance water requires a lower setting Note that the left number changes from a high value when wateris NOT touching the refill probe to a low value when water IS touching the probe For best opera tion the right number should be set toavalue midway between these low and high numbers Before changing the setting confirm that the refill probe is free of scale buildup and the connection to it is secure Test the Refill valve Refer to Testing Individual Components When this condition occurs
19. defective control board Perform the above procedure for testing triacs If the voltage mea sured is very low or zero then substitute a control board known to be in good working order Remove power from the brewer Connect a voltmeter across one of the tank heaters Reapply power to the brewer and refer to Testing Individual Components f the full supply voltage is measured when the tank heater is turned on and zero voltage is measured with the triac off then the triac is good If half the supply voltage is measured the triac is defective If very low or zero voltage is measured there could be a defective triac or a defective control board Inspect the tank assembly for ex cessive lime deposits Delime as required 35879 1 071405 TROUBLESHOOTING cont Problem Spitting or unusual steaming from sprayhead or air vents Water too hot cont Inconsistent beverage level in server Possible Cause 3 Electronic control board 1 Strainer 2 Improper water pressure 3 Brew Valve 4 Bypass Valve 5 Lime buildup Page 48 Troubleshooting Procedures Perform the previous procedure for testing triacs If the voltage measured is very low or zero then substitute a control board known to be in good working order A Direction of flow arrow must be pointing towards the brewer B Remove the strainer and check for obstructions Clear or replace Check operating water pressure to the brewer
20. display reads SET TEMP 2 To adjust the brew temperature press to de crease or to increase the brew temperature 3 When finished press and release DONE to save the new setting exit the SET TEMP function and advance to the next function screen SET READY Another alternative is to press the ON OFF switch located on the front switch panel to exit the SET TEMP function and return to the MAIN SCREEN SET READY Range 185 F 85 C to 203 F 95 C This function allows the operator to set the mini mum temperature allowable to start a brew cycle The range can be from 185 F 85 C to within 2 F 1 7 C of the SET TEMP The water must be at the SET READY temperature or higher forthe display to indicate READY TO BREW If brew lockout is enabled the brewing pro cess will not start below this READY temperature NOTE The upper limitis the water temperature control setting minus 2 F 1 7 C SET READY XXX DONE Procedure to set ready temperature 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads SET READY 2 To adjust the ready temperature press the switch to decrease or to increase the ready temperature Page 33 Whenfinished press and release DONE to save the new setting exit the SET READY function and ad vance to the next function screen REFILL Another alternative is to pr
21. out of the sprayhead This is NOT used to change the actual flow rate but to tell the internal controller how fast the water is flowing The unit of measure is ounces per minute 0z M 35879 1 071405 PROGRAMMING THE BREWER cont SPRAY 0Z M cont SPRAY OZ M XXX DONE Procedure to adjust the flow rate setting 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads SPRAY 07 The number represents what the brewer thinks is the flow rate of the sprayhead valve in ounces per minute 2 f the actual flow rate of the sprayhead valve is known but is different than the number on the display use the and to enter the correct flow rate in ounces per minute 3 Whenfinished press and release DONE This saves the new setting and advances to the next function screen BYPASS 0Z M Another alternative is to press the ON OFF switch located on the switch panel to exit SPRAY 0Z M function and return to the MAIN SCREEN BYPASS 0Z M This function allows the operator to view orto enter the actual flow rate coming out of the bypass nozzle This is NOT used to change the actual flow rate but to tell the internal controller how fast the water 15 flowing The unit of measure is ounces per minute BYPAS OZ M XXX DONE 7 Procedure to adjust the flow rate setting 1 Press and hold the upper rig
22. should not be resting on the counter top A The brewer must be connected to a cold water line B Water pressure to the brewer must not be higher than 90 psi 620 kPa Install a regulator if necessary to lower the working pressure to ap proximately 50 psi 345 kPa Remove and clean lime off tank heaters 35879 1 071405 SCHEMATIC WIRING DIAGRAM LIMIT THERMOSTAT FUNNEL SENSOR N 12 GRN lt SINGLE TF DBC S dis BLK 14 RED 14 TANK HEATER T MTI x SWITCH UNIT ASSEMBLY REFILL WHI BYPASS T o s z i ome P gt 3 5 WHI VIO J11 1 VIO BREW sits 19 5 GRY RED WHI ten 02 1 CONTROL PC BOARD NC Qi ES PROTECTION J2 5 WHI WATER LEVEL TEMP PROBE BRN WHI PROBE BRN BLK J2 10 11118 so FUNNEL LOCK Switch Unit Assembly Codes Brew On Off Hidden Left Hidden Right Large Batch Medium Batch Small Batch Digital Left Hidden Button Brewer Center Hidden Button Control Right Hidden Button LED s Large Batch LED Medium Batch LED Small Batch LED On Off LED 120 208 OR 120 240 VOLT A C 3 WIRE GND SINGLE PHASE Page 51 35879 1 062107 E SCHEMATIC WIRING DIAGRAM 2 BLK 14 d F Sre i RED 14 1 BLK 14 i F
23. units have been reset Press and release either of the ON OFF switches located on the front switch panel to exit the UNITS function and return to the MAIN SCREEN METRIC DONE ENG SELECTS METRIC AS THE UNIT OF MEASURE CHANGING UNITS WILL ERASE SELECTS ENGLISH AS THE UNIT OF MEASURE ALL PREVIOUSLY STORED RECIPES AND ALL SETUP INFO WIL BE LOST ARE YOU SURE YES P3260 35879 1 071405 PROGRAMMING THE BREWER cont SET NEW RECIPE Using a Smart Funnel and a G9 2T DBC or MHG Grinder This function allows the operator to set BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES and DRIP OUT TIMES for each coffee name preset in the grinder s memory Certain coffee NAMES are stored in the grinder s memory When a particular name of coffee is ground into the Smart Funnel that name and the batch size selected are transferred from the grinder to the pro gramming chip located in the funnel handle The funnel is then inserted into the brewer s funnel rails The sen sor coil on the brewer reads the information contained in the handle The name of the coffee flavor will then appear on the display This allows the operator to set the BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES and DRIP OUT TIMES for that particular coffee NAME It also allows the operator to set other brewing parameters such as BREW TEMPERATURE READY TEMPERATURE BREW LOCKOUTS etc Each coffee NAME can be set individually to provide
24. 14 Press OFF to retract the funnel lock 15 Press NEXT to advance to the next component to be tested 16 To test REFILL VALVE press ON If the refill valve is functional the sound of the valve operating will be heard 17 Press OFF to end testing of refill valve 18 Press NEXT to advance to the next component to be tested 19 To test TANK HEATER connect a voltmeter across the tank heater to check for voltage 20 Press ON The correct voltage should be present at the heater terminals 21 Press OFF to end testing of the tank heater NOTE The tank heater will automatically turn off if left on too long 22 After testing the tank heater press NEXT to advance to the next test 23 The HEATER CONTACTOR is used only on certain models Check the machine schematic to see if the contactor is present Connect a voltmeter across the tank heater and press ON to check that cor rect voltage is present Press OFF and confirm the voltage is zero 24 Press NEXT to return to TEST OUTPUTS 25 To exit SERVICE TOOLS press and release the ON OFF switch located on the front switch panel This will return to the MAIN SCREEN Procedure to test switches This function allows the operator to test the opera tion of the individual switches on the front panel 1 Place brew funnel into rails on the brewer 2 Place a server beneath the brew funnel Press and hold the upper right hidden switch until the display reads UNITS Release t
25. COMPLETE P2418 18 The display should now read DRIP TIME along with either the word OFF oratime will be showing A batch light should also be blinking 19 Using and set the amount of time from when the brew spray ends to when the funnel is emptied of hot liquid for that batch size NOTE Setto OFF to prevent funnel locks from engaging to disable this function for a particular batch size To set to OFF continue to press and release until OFF appears on the screen 20 When finished press another batch size and repeat step 19 until all three sizes are set When finished setting all batch sizes press DONE The display should read 3 BATCHES DONE 22 Ifthe three batch sizes are not correct press NO to return to the DRIP TIME setup screen and repeat steps 19 through 21 If the three batch sizes are correct press YES The screen should show the name of the coffee being programmed modified along with SETUP COMPLETE 24 After a 5 second delay the display will advance to the next coffee name in the brewer s memory If no other coffee names are present the display will read THAT WAS THE LAST RECIPE and return to the REVIEW RECIPES screen 2 2 Co 35879 1 071405 PROGRAMMING THE BREWER cont SET NEW RECIPE Using a RECIPE CARD to load coffee names and brew settings into the Brewer with Smart Funnel The G9 2T DBC or MHG s memory contains certain coffee names Ifthe operator uses a coffee
26. E This time is the duration from when the water in the funnel reaches the desired ON TIME level to when it drains out of the funnel to a desired lower level LAST ON TIME This time is the duration from when the water in the funnel drains down to the lower level to when it fills the funnel to a desired higher level Soaking the grounds These three times can be set two different ways The first is accomplished by utilizing the EASY PULSE screen and following the subsequent steps under that function The other allows the actual times to be entered for each of the settings This is done by utilizing the ENTER TIMES screen and following the subsequent steps under that function Either of these methods can be used to set the pulse brew for each batch Page 26 Modifying pulse brew Range 1st on time off to 4 minutes Off time off to 4 minutes Last on time off to 4 minutes NOTE If the breweris already inthe SET PULSE BREW screen it is not necessary to follow steps 1 through 8 in this section but proceed directly to step 9 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release the switch until the display reads REVIEW RECIPES 2 Press YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT 3 Press and release NEXT to advance to the desired coffee name to be modified 4 Press and release MODIFY The display sho
27. FUNNEL DETECT function tion is activated on Page 40 35879 1 071405 TROUBLESHOOTING cont Screen Displayed In H i Possible Cause 1 Water temperature in the tank does not meet the SET READY TEMPERATURE 1 Brew funnel was not removed after the previous brew cycle was finished 1 Brew funnel was moved out of position after the brew cycle was started Page 41 Troubleshooting Procedures a Wait for the brewer to heat to the proper temperature Disable the BREW LOCKOUT function Remove funnel check contents and insert back into the funnel rails OR Press BREW to start a brew cycle without removing the funnel To resume brewing correctly posi tion the funnel and press BREW again The brew cycle will resume from the point it was interrupted OR Press ON OFF to terminate the cycle 35879 1 071405 TROUBLESHOOTING cont Screen Displayed Possible Cause 1 ON OFF switch was pressed after the brew cycle was started 1 Tank Heater failure 2 Triac Failure 3 Control Board Thermistor failure Page 42 Troubleshooting Procedures To resume brewing press BREW again The brew cycle resumes form the point it was interrupted OR Press ON OFF to terminate the brew cycle Service Required Service Required Service Required 35879 1 071405 TROUBLESHOOTING cont Screen Displayed Possible Cause 1 Water shut off to brewer 2 Inlet Solenoid V
28. HE BREWER cont BREW OZ SETTING OR ADJUSTING BREW VOL UMES This function allows adjustment of the brew vol umes for each batch The indicator signifies volume in ounces per batch Procedure for modifying recipes brew ounces Range 10 0 oz to 400 oz for all three batch sizes 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch again until the display reads REVIEW RECIPES Press YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT Press and release NEXT to advance to the desired coffee name to be modified Press and release MODIFY The display should read BREW OZ and a batch light will be blinking Press and release the batch size to be modified Using and set the amount of brew water in ounces to be dispensed over the grounds for that particular batch size When finished press another batch size and repeat step 5 for that size for each batch size to be modi fied Continue setting all batch sizes When finished setting all batch sizes press and release DONE The display should read 3 BATCH SIZES DONE the three batch sizes are not correct press and release NO to return to the BREW OUNCES setup screen and repeat steps 5 6 and 7 If the three batch sizes are correct press YES This will advance to the BYPASS function An other alternative is to press the ON OFF switch to exit the BREW OZ setu
29. ILL THEN READ 3 BATCHES DONE NO YES a Brewer EXITS TO THE NEXT COFFEE IN THE BREWER S MEMORY IF NO OTHER COFFEE NAMES ARE ENTERED IN THE BREWER S MEMORY THE DISPLAY WILL READ COFFEE NAME SETUP COMPLETE THAT WAS THE LAST RECIPE L P2447 35879 1 071405 PROGRAMMING THE BREWER cont ASSIGN RECIPES This function allows for assigning a coffee name other than NO NAME to the BREW switch Procedure to assign recipes 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads ASSIGN RECIPE 2 Press YES to assign a recipe to the BREW switch 3 Use and to select recipe which you want to assign to the BREW switch 4 Press and release DONE when selected to advance to next function screen ENABLE ADS ASSIGN RECIPE NO YES 2 SELECT RECIFE 5 SEC DELAY NO NAME DONE EXIT TO NEXT FUNCTION SCREEN P3515 ENABLE ADS This function allows the operator to choose whether or not to display the advertising message that was en tered into the brewer with an AD CARD This message will be displayed when the brewer is not in use ENABLE ADS NO DONE YES P2721 Procedure to Enable Disable Ads 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until t
30. ILTER RED 14 TRIAC LIMIT TANK HEATER BLK 14 io 9 BLK 14 MT2 S MT 1 BLU 14 p RED 14 SWITCH UNIT ASSEMBLY REFILL Onn FUNNEL SENSOR D S E S i p s 1 gt 3 3 i WHI VIO 1 1 vio BREW 211 5 19 5 WHI iS J2 1 CONTROL PC BOARD uci Qi 4 J11 10 OVERFLO PROTECTION SWITCH 12 5 WATER LEVEL TEMP PROBE BRN WHI PROBE BRN BLK 3210 J11 18 FUNNEL LOCK Switch Unit Assembly Codes C2 Medium Batch C3 Small Batch D1 Digital Left Hidden Button D2 Brewer Center Hidden Button D3 Control Right Hidden Button Brew On Off Hidden Left Hidden Right Large Batch LED s Large Batch LED Medium Batch LED Small Batch LED On Off LED L1 L2 L3 L4 Page 52 230 OR 200 VOLT A C SINGLE PHASE 35879 1 071405 L1 BLK 14 LIMIT THERMOSTAT BLK 14 SCHEMATIC WIRING DIAGRAM SINGLE TF DBC TANK HEATER BLU 14 n FUNNEL SENSOR VIO SWITCH UNIT ASSEMBLY REFILL ome WHI VIO WATER LEVEL TEMP PROBE PROBE WHI BYPASS VIO WHI GRN EL BI OVERFLOW PROTECTION SWITCH J2 1 CONTROL PC BOARD J11 10 J2 5 WHI BRN WHI BRN BLK J2 10 J11 18 Switch Unit Assembly Codes Brew On Off Hidden Left Hidden Right Large Batch L1 L2 L3 14 02 03 Medium Batch Small Batch Digital Left Hidden
31. MENTS This brewer must be connected to a cold water system with operating pressure between 20 and 90 psi 138 and 620 kPa from a 7 or larger supply line A shut off valve should be installed the line before the brewer Install a regulator in the line when pressure is greater than 90 psi 620 kPa to reduce it to 50 psi 345 kPa The water inlet fitting is flare or female quick connect NOTE Bunn O Matic recommends copper tubing for all installations from the 7 water supply line A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the counter top Bunn O Matic does not recom mend the use of a saddle valve to install the brewer The size and shape of the hole made in the supply line by this type of device may restrict water flow 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 Administration FDA For models in stalled outside the U S A you must comply with the applicable Plumbing Sanitation Code for your area PLUMBING HOOK UP 1 Flush the water line and securely attach it to the flare fitting located on bottom of brewer 2 Turn on the water supply Page 7 35879 1 011108 OPERATING CONTROLSf d h 0 C P2725 a MAIN ON OFF SWITCH This switch located under the brewer behind the front leg turns power on and off to all components in the brewer b BATCH SELECT
32. O FINISH AFTER 1 MINUTE ENTER OZ DONE b Brewer or NEW BYPAS FLOW XX X OZ M P2314 35879 1 071405 PROGRAMMING THE BREWER cont CALIBRATE FLOW cont 7 Measure the amount of water in the container and using or adjust the amount on the display to match the amount in the container Then press DONE 8 Thedisplay should now read NEW BYPASS FLOW along with the correct flow rate of the bypass in ounces per minute After about 5 seconds the dis play will return to the CALIBRATE FLOW screen 9 To exit the CALIBRATE FLOW function press and release NO to advance to the next function screen or press the ON OFF switch located on the front switch panel to exitthe CALIBRATE FLOW function and return to the MAIN SCREEN BREW COUNTERS This function allows the operator to track the num ber of brew cycles completed There is one resettable counter and one life counter that is not resettable BREW COUNTERS NO YES Digitar Brewer EXITTO NEXT FUNCTION Y SCREEN XXxx NEXT RESET Dear Brewer Y XXXX NEXT P2448 Procedures to view reset the brew counters 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads BREW COUNTERS 2 Pressing NO in this screen will advance to the next function Press YES to view the
33. OR SWITCHES Pressing the switch corresponding to the Small Medium or Large batch selects the amount of coffee to be brewed Pressing a different switch after a brew cycle has been initiated does not change the brew batch in progress Light indicates the selected batch to brew c ON OFF SWITCH ENABLE BREW Pressing the ON OFF switch alternately turns the brewer on and off Pressing this switch during the brew cycle will interrupt the brew cycle stopping the flow of water Pressing this switch during the programming of the brewer will exit the setup and return to the main screen d BREW SWITCH Momentarily pressing and releasing this switch begins a brew cycle amp SWITCH Pressing and holding the switch allows entry to the programming menus Pressing and releasing the switch steps through each function screen during programming f FUNCTION SCREEN This is the display which shows the various functions of the brewer and allows the programming to be ac complished g FUNCTION SCREEN SWITCHES These are the hidden switches which are used to program the brewer h FUNNEL SENSING COILS This is used to receive information from the Smart Funnel handle coffee name and batch size and also from RECIPE CARDS j SCROLL BACKWARDS The upper left corner of the B in BUNN can be used to scroll backwards through the function list Page 8 35879 1 062107 INITIAL SETUP CAUTION The brewer must be disconnected from the power sou
34. REWER cont SET PULSE BREW ENTER TIMES NOTE The procedure to enter the PULSE BREW 10 12 13 14 function must be performed prior to following the Steps listed below Press and release YES The display should now read EASY PULSE SETUP Press and release NO The display will read ENTER TIMES Press YES to proceed The display should now read 1st ON TIME X XX Using and set the amount of time the flow of water into the funnel will be on When finished press DONE The display will now read OFF TIMES X XX Using and set the amount of time the flow of water into the funnel will be off When finished press DONE The display will now read LAST ON X XX Using and set the amount of time the water will be on to complete the brew When finished press DONE The display will show the three times just entered for that batch size After a5 second delay the display will read 3 BATCHES DONE If other batch sizes need to be modified press NO Press a different batch size and repeat steps 3 through 7 Repeat until all the desired batch sizes are Set When finished press YES in 3 BATCHES DONE The display will then read DRIP TIME Press and release the ON OFF switch located on the front switch panel to exit the SET PULSE BREW function and return to the MAIN SCREEN NOTE Pressing the upper right hidden button before reaching the final setting screen exits the setup and retains the old values
35. ages The same steps are followed for setting the recipe as those that are used to MODIFY A RECIPE beginning on page 21 Note that when the display reads NO NAME that is when MODIFY should be pressed in order to set the parameters for the NO NAME coffee NOTE Before beginning setup inserta funnel into the funnel rails and place a ThermoFresh Server beneath the brew funnel Page 22 REVIEW RECIPES NO YES Deis Biewer NEXT FUNCTION lt SCREEN NO NAME MODIFYSHOWNEXT Deiat U BREW OZ XX X DONE COFFEE NAME MODIFYSHOWNEXT BREW OZ XX X DONE P2441 35879 1 071405 PROGRAMMING THE BREWER cont REVIEW RECIPES MODIFY RECIPES SET UP NO NAME COFFEE NAMES This function has three parts It allows the operator to view the brew settings for the various coffee names programmed into the brewer It also allows the operator to modify change any of the BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES and DRIP OUT TIMES for a particular coffee name programmed into the brewer Finally this function is used to set up the NO NAME coffee BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES and DRIP OUT TIMES Procedure for reviewing recipes 1 Press and hold the pad until the display reads 1 Press and hold the upper right hidden switch until the display reads UNITS Relea
36. alve failure 3 Control Board Failure 1 Temperature Sensor Probe wire s broken or not making connection 1 Temperature Sensor Probe wire s shorted to housing or to each other Page 43 Troubleshooting Procedures Check water supply shut off Service required Service required Check wire and connection of both black and white wires of temperature probe Check to confirm that wire s are not pinched between two surfaces or connected to each other 35879 1 071405 TROUBLESHOOTING cont Problem Equipment will not operate Brew cycle will not start Automatic refill will not operate or display shows FILL TIME TOO LONG Possible Cause 1 No power or incorrect voltage 1 No water 2 ON OFF switch 3 Brew switch 4 Brew Valve 5 Electronic Control Board 1 No water 2 Water strainer Page 44 Troubleshooting Procedure Measure the voltage at the terminal block and confirm that it matches the voltage specified on the brewer data plate within 10 Check plumbing and shut off valves Test the ON OFF switch Refer to the switch test procedures Test the BREW switch Refer to the Switch test procedures Test the Brew valve Refer to Testing Individual Components Substitute a control board known to be in good working order Check plumbing and shut off valves A Direction of flow arrow must be pointing towards direction of water flow B Remove the strainer and
37. ate conductor for earth ground Note This electrical service consists of 3 current carrying conductors Neutral L1 and L2 and a separate conductor for earth ground ELECTRICAL HOOK UP WARNING If the power cord is ever damaged it must be replaced by the manufacturer or authorized service oar o personel with a special cord available from the manufacturer or its authorized service personel in order to avoid a hazard Improper electrical installation will damage electronic components Damage caused by incorrect electrical connections is not covered by warranty An electrician must provide electrical service Using a voltmeter check the voltage and color coding of each conductor at the electrical source NOTE The brewer is shipped without a plug on the power cord Qualified service personnel must select and install the proper UL listed grounding type attachment plug specified on the rear of the brewer Install the specified plug on the attached power cord Remove the front panel beneath the sprayheads to gain access to the terminal block Connect the brewer to the power source and verify the voltage at the terminal block before proceeding If plumbing is to be hooked up later be sure the brewer is disconnected from the power source If plumb ing has been hooked up the brewer is ready for nitial Set Up WARNING Electrical connections must be made as specified above Failure to follow these instructions can result in personal in
38. ble warranty period This warranty does not apply to any equipment component or part that was not manufactured by BUNN or that in BUNN s judgment has been affected by misuse neglect alteration improper installation or operation improper maintenance or repair damage or casualty This warranty is conditioned on the Buyer 1 giving BUNN prompt notice of any claim to be made under this warranty by telephone at 217 529 6601 or by writing to Post Office Box 3227 Springfield Illinois 62708 3227 2 if requested by BUNN shipping the defective equipment prepaid to an authorized BUNN service location and 3 receiving prior authorization from BUNN that the defective equipment is under warranty THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY WRITTEN OR ORAL EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The agents dealers or employees of BUNN are not authorized to make modifications to this warranty or to make additional warranties that are binding on BUNN Accordingly statements by such individuals whether 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 option while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts a
39. brew cycle MAIN SCREEN The term used to describe the screen that is displayed when the brewer is not in use This screen is also displayed after exiting the programming mode NO NAME COFFEE The term for the recipe used by the brewer when there is no coffee name stored in the fun nel OFF TIME During a pulse brew or preinfusion this is the time set for the length of time that the water is not spraying over the grounds PREINFUSION The process of beginning a brewing cycle with an initial spray of water onto the grounds followed by a pause in the spray After the programmed pause the spray continues without interruption until the end of the brewing cycle PULSE BREW The process which allows the brew water to start then stop repeatedly over the grounds in order to derive the best flavor from the coffee Pulse brew is also used in some instances to prevent a filter overflow RECIPE Set of brewing parameters stored in the brewer The parameters are unique for each coffee name and include brew ounces pulse brew percent bypass preinfusion and drip time RECIPE CARD An assembly consisting of a computer chip and an instruction label Used for loading a recipe into the brewer and the companion DBC Grinder Page 11 35879 1 071405 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 etc T
40. cedures to program the various functions of the brewer IMPORTANT PROGRAMMING NOTES READ CAREFULLY To exit the programming mode at any time press and release the ON OFF switch located on the front switch panel The display will return to the MAIN SCREEN If none of the five programming switches are pressed within one minute during the setup of the brewer the programming of the function screen that is being set will be exited and the display will return to the MAIN SCREEN Always remember to place a container and funnel under the sprayhead when operating the brewer during the set up of PULSE BREW CALIBRATE FLOW and testing the brew and bypass valves in SERVICE TOOLS TEST OUTPUTS MAIN SCREEN PROGRAM FUNCTIONS LEVEL 1 BREW LOCKOUT READY TO BREW This function allows the operator to prevent or WATER TEMP 205 allow brewing if the water temperature is less than the set READY temperature To access this function screen press and hold the symbol Release the when the display reads Brewer Play This screen will be shown when the brewer is ready 9 for use The screen displays the water temperature BREW LOCKOUT in the tank When the water in the tank reaches the NO DONE YES correct set temperature the display will change from HEATING to READY TO BREW Gal Zeder Curo 7 i Press here Press here Press here PROGRAMMING LOCKOUT SWITCH mounted on main control board This switch can be se
41. ed when brewing with a funnel other than a Smart Funnel a regular brew funnel 5 When finished press and release DONE This will retain the changes exit this function screen and advance to the next Another alternative is to press the ON OFF switch located on the front switch panel to exit the FUNNEL DETECT and return to the MAIN SCREEN 35879 1 071405 NEXT FUNCTION PROGRAMMING THE BREWER cont SERVICE TOOLS This function allows the testing of individual com ponents and the ability to check switches for proper function This function also tests the Soft Heat server s status on the brewer in place or removed and the funnel sensor coil s frequency diagnostic tool for troubleshooting purposes only SERVICE TOOLS NO YES SCREEN TEST OUTPUTS NO YES Ber TEST SWITCHES PRESS AND RELEASE amp SYMBOL NO YES BREW VALVE Beer ON NEXT OFF NOTHING PRESSED n BE TESTED TEST FREQUENCY NO YES Digitar Biewer 125 0 KHZ 4 4 1250KHZ 0 PRESS AND RELEASE SCREEN lt SYMBOL P2757 Page 37 Testing individual components outputs This will allow the operator to test the operation of individual components and outputs of the brewer The components that ca
42. er jet device Check and clean each sprayhead The sprayhead holes must always remain open NOTE Any buildup on the sprayhead and fitting may restrict water flow and impact your coffee brewing For consistently great coffee clean sprayhead and fittings weekly with sprayhead cleaning tool 38227 0000 Upon visual inspection it may appear that light passes through all holes in the sprayhead plate but a thin film of residue can pass light and still impede water flow Insert the long end of sprayhead cleaning tool into the sprayhead fitting and rotate several times to remove any mineral deposits from the fitting Insert the short end of sprayhead cleaning tool into the bypass fitting and rotate several times to remove any mineral deposits from the fitting Remove sprayhead from brewer Disassemble by removing the seal Usethe pointed end of sprayhead cleaning tool to remove any mineral deposits from the sprayhead holes Reassemble sprayhead and reattach Sprayhead only needs to be hand tightened See page 34 of instruction manual for calibration routine to verify sprayhead flow rate matches programmed flow rate Machine may need to be re calibrated due to lime build up If machine is cleaned and build up removed machine must be re calibrated to achieve desired volumes Page 10 35879 1 071405 GLOSSARY AD CARD An assembly consisting of computer chips and an instruction label Used for loading advertising messages into the b
43. era tion the right number should be set toavalue midway between these low and high numbers Before changing the setting confirm that the refill probe is free of scale buildup and the connection to it is secure Substitute a control board known to be in good working order Remove power from the brewer Press reset button on limit ther mostat Then check for continuity through it Remove power from the brewer Check for continuity through the tank heaters 35879 1 071405 TROUBLESHOOTING cont Problem Possible Cause Water will not heat or display shows 3 Triac HEATING TIME TOO LONG cont 4 Electronic Control Board Spitting or unusual steaming from 1 Triac sprayhead or air vent Water too hot 2 Lime Buildup CAUTION Tank and tank compo nents should be delimed regularly depending on local water condi tions Excessive mineral buildup on Stainless steel surfaces can initiate corrosive reactions resulting in seri ous leaks Page 47 Troubleshooting Procedures Remove power from the brewer Connect a voltmeter across one of the tank heaters Reapply power to the brewer and refer to Testing Individual Components f the full supply voltage is measured when the tank heater is turned on and zero voltage is measured with the triac off then the triac is good If half the supply voltage is measured the triac is defective If very low or zero voltage is measured there could be a defective triac or a
44. ess the ON OFF switch located on the front switch panel to exit the SET READY function and return to the MAIN SCREEN REFILL Range 20 to 230 This function allows the operator to adjust the sensitivity of the refill circuit This is mainly a trouble shooting feature Water in different geographical loca tions can have different conductivities By adjusting the sensitivity of the refill circuit this will allow the brewer to operate under various water conditions XXX REFILL gt XXX DONE P2721 Procedure to set the sensitivity threshold of the refill circuit NOTE Make sure the water in the tank is touching the refill probe 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads REFILL and shows a number on both sides of the word 2 To adjust the threshold setting press to de crease or to increase the setting NOTE Always make sure that the number on the right is larger than the number on the left when water is in contact with the refill probe in the tank 3 When finished press and release DONE This saves the new setting and advances to the next function screen SPRAY 0Z M Another alternative is to press the ON OFF switch located on the front switch panel to exit REFILL and return to the MAIN SCREEN SPRAY 07 This function allows the operator to view or to enter the actual flow rate coming
45. f all brew settings are correct press SAVE The display will read COFFEE NAME SETUP COM PLETE All brew settings for that name are now stored in the brewer s memory 6 Page 21 If the brewing information is not correct or it is desired to exit the setup before the settings are loaded into the brewer s memory press QUIT The display will read COFFEE NAME NOT SAVED The display will then return to the MAIN SCREEN READY TO BREW WATER TEMP 200 POSITION CARD UNDER THE LEFT SIDE SENSOR COIL CARD CONTAINS RECIPE FOR COFFEE NAME SHOW QUIT SAVE Brewer Cy SCROLLS THROUGH ALL COFFEE NAME OF THE BREW SETTINGS FOR THE THREE BATCH SETUP COMPLETE SIZES FOR THAT COFFEE NAME COFFEE NAME NOT SAVED P2300 35879 1 071405 PROGRAMMING THE BREWER cont SET NEW RECIPE Ifnot using a Smart Funnel with a sensor coil and or aG9 2T DBC or MHG Grinder the brewer will function as a Standard Bunn Single TF DBC Brewer It is possible to operate the brewer without using a Smart Funnel and or a G9 2T DBC or MHG Grinder If a standard funnel or if a non DBC grinder is used the brewer will automatically select a NAME coffee name when the BREW switch is pressed This means that no name was read from the funnel s handle There is one NO NAME coffee program that can be set in the brewer It is referred to as NO NAME The instructions for programming the NO NAME settings are on the following p
46. first brew counter This number represents the brew cycles initiated since that counter was last reset 3 To reset the resettable counter to zero press and release RESET when viewing that particular counter s screen Page 36 4 to the other counter press and release NEXT This will advance to total brews non reset table 5 When finished press NEXT until the display reads BREW COUNTERS Press and release NO to ad vance to the next function screen or press the ON OFF switch located on the front switch panel to exit the BREW COUNTERS function and return to the MAIN SCREEN FUNNEL DETECT optional This function allows the operator to prevent the start of a brew cycle if a Smart Funnel is not positioned correctly in the funnel rails FUNNEL DETECT NO DONE YES 7 iail Curr SY P2721 Procedure to set funnel detect 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads FUNNEL DETECT 2 NO or YES should be flashing to indicate the cur rent setting 3 Select YES to prevent brewing if a Smart Funnel is not correctly situated in the rails If this function is activated and a brew cycle is attempted with the funnel not properly situated the display will read FUNNEL NOT IN PLACE until one is in place 4 Select NO to allow brewing without a Smart Fun nel in place This is select
47. g Code of the International Code Council and the Food SLOWLY Code Manual of the Food and Drug Adminis 03408 0004 tration FDA For models installed outside the U S A comply with the applicable Plumbing SanitationCode A WARNING 00656 0000 f Y NWARNING 03409 0004 To reduce the risk of electric shock do not remove or open cover No user serviceable parts inside 20201 5600 Authorized service personnel only Disconnect power before servicing MAIN ON OFF e 37881 0000 SWITCH 00824 0000 Do not connectto a circuit operating at more than 150 volts 00824 0001 39803 0000 27508 0000 Page 4 35879 1 011108 USER NOTICES cont NWARNING To reduce the risk of electric shock Authorized service personnel only do not remove or open cover Disconnect power before servicing No user serviceable parts inside 37881 0002 ELECTRICAL REQUIREMENTS Models with power cord WARNING The brewer must be disconnected from the power source until specified in nitial Set Up Refer to Data Plate on the Brewer and local national electrical codes to determine circuit requirements NEUTRAL L1 BLACK NEUTRAL L1 BLACK GREEN 120 volt ac single phase 60 Hz models 120 208 and 120 240 volt ac single phase 60 Hz models Note This electrical service consists of 2 current carrying conductors Neutral and L1 and a separ
48. he display reads ENABLE ADS The YES or NO will be flashing to indicate the current selection 2 Press and release the NO switch to disable this function no ads will be displayed on the screen or 3 Press and release the YES switch to enable this function ads will be displayed on screen 4 When finished press and release DONE to save the new setting exitthe ENABLE ADS function and advance to the next function screen SET TEMP Another alternative is to press the ON OFF switch located on the front switch panel to exit the ENABLE ADS function and return to the MAIN SCREEN Brew water temperature is factory set at 200 F 93 3 C Areas of high altitude will require lowering this tempera ture to prevent boiling This chart should be used as a guide when readjusting the brew water temperature Recommended water temperature Altitude Boiling point of water Feet F 6 32 SET TEMP Range 185 F 85 to 205 96 This function allows the operator to set the brew water temperature in the tank It also sets the hot water faucet dispense temperature 35879 1 071405 PROGRAMMING THE BREWER cont SET TEMP cont SET TEMP XXX DONE Procedure to set brew temperature 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the
49. he display reads REVIEW RECIPES 2 Press YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT 3 Press and release NEXT to advance to the desired REVIEW RECIPES coffee name to be modified Press and release MODIFY The display should read BREW OZ 5 Press and release DONE The display should read 3 BATCHES DONE 6 Press and release YES The display should now read BYPASS and a batch light will be blinking Press and release the batch size to be modified 7 Using and set the amount of bypass water percentage to be dispensed around the grounds for that particular batch size 8 Whenfinished press another batch size and repeat step 7 for each batch to be modified 9 When finished setting all batch sizes press DONE The display should read 3 BATCHES DONE 10 If they are not correct press and release NO to return to the 9o BYPASS setup screen 11 Ifthe 3 batch sizes are correct press YES This will advance to SET PULSE BREW Another alterna tive is to press the ON OFF sswitch to exit the BYPASS setup and return to the MAIN SCREEN R NO MESE m bz Brewer Cube NEXT FUNCTION SCREEN MODIFYSHOWNEXT Brewer ADVANCES TO ALL OTHER BREW OZ XX X DONE Diar Breer 3 BATCHES DONE NO YES COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY
50. he switch then press and release switch until the display reads SERVICE TOOLS 4 Press YES to run tests on various components and outputs within the brewer Pressing NO will exit this function and advance to the next function screen The display should read TEST OUTPUTS 6 InTEST OUTPUTS screen press NO This advances m Page 38 to TEST SWITCHES 7 Pressing NO in this screen will advance to the next function Press YES in the TEST SWITCHES screen to test the switches The display will read NOTHING PRESSED 8 Fromthis screen press any of the switches on the front of the brewer While the switch is pressed the display shows the name of that switch If the name does not appear or if it remains after the switch has been released the switch is defective Each switch can be tested in this manner 9 After all switches have been tested press the up per right hidden switch located on the front switch panel This will exit TEST SWITCHES and return to the MAIN SCREEN Procedures to test coil frequency 1 Place brew funnel into rails of the brewer 2 Place a server beneath the brew funnel 3 Pressand hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads SERVICE TOOLS 4 Pressing NO will exit this function and advance to the next function screen Press YES to run tests on various components and outputs within the brewer The di
51. his allows for the precise brewing of various flavors of coffee Programming of the brewer is achieved by entering a certain function Then by the use of hidden programming switches the operator can customize the brewing process to their specifications PROGRAMMING SWITCHES To access the programming mode and to scroll through the different function screens hidden programming switches are used There are five of these switches that will be used for the setup of the brewer BUNNS Digitar Brewer Contror P2605 1 symbol upper right of the BUNN logo This is used to access the programming mode and is also used to scroll forward through the function list 2 Upper left corner of the B in the BUNN logo This is used to scroll backwards through the function list 3 Digital lower left under the display This is used to select options that appear on the display during programming 4 Brewer center under the display This is used to select options that appear on the display during programming 5 Control lower right under the display This is used to select options that appear on the display during programming Page 12 35879 1 071405 PROGRAMMING THE BREWER The programming of the brewer is divided into two levels There is one function in Level 1 All other functions are accessed in Level 2 The following function screens are in order of appearance Each screen will have instructions on how to access and the pro
52. ht hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads BYPAS 0Z M The number represents what the brewer thinks is the flow rate of the bypass valve in ounces per minute 2 Ifthe actual flow rate of the bypass valve is known but is different than the number on the display use the and to enter the correct flow rate in ounces per minute Page 34 3 Whenfinished pressand release DONE This saves the new setting and advances to the next function screen CALIBRATE FLOW Another alternative is to press the ON OFF switch located on the front switch panel to exit the BYPASS 02 function and return to the MAIN SCREEN CALIBRATE FLOW This function allows the operator to enter the actual flow rate of the sprayhead and the bypass by dispens ing both separately for one minute The volumes are then entered in ounces per minute Oz M Procedures to calibrate the sprayhead flow rate 1 Placeacontainer accurately graduated in ounces and with aminimum capacity of 60 ounces beneath the funnel on the brewer 2 Pressand hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads CALIBRATE FLOW 3 Press and release YES to advance to the SPRAY HEAD CAL function screen Pressing NO in the CALIBRATE FLOW screen will advance to the next function screen BREW COUNTERS 4 Pressandre
53. ittent operation of electronic circuit boards is unlikely Board failure will normally be per manent If an intermittent condition 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 noids are energized for more than ten minutes without a supply of water The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and electrical connections tight and iso lated This brewer is heated at all times Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Disconnect the brewer from the power source when servicing except when electrical tests are specified Follow recommended service procedures Replace all protective shields or safety notices Screen Displayed Possible Gause Troubleshooting Procedures 1 1 Overflow cup is full of water Empty cup Correct cause and This could be caused by boiling retry see chart on page 32 Also could be Refill Sensitivity adjustment see page 33 1 SMARTFUNNEL notfullyinserted Position the funnelso that the sensor into the funnel rails is directly beneath the sensor coil on the brewer 2 Not using a SMART FUNNEL Disable the FUNNEL DETECT func and the
54. jury property or equipment damage Page 5 35879 1 110507 ELECTRICAL REQUIREMENTS Models without power cord WARNING The brewer must be disconnected from the power source until specified in nitial Set Up Refer to Data Plate on the Brewer and local national electrical codes to determine circuit requirements 200 and 230 volt ac single phase 60 Hz models Note This electrical service consists of 2 current carrying conductors L1 and L2 anda separate conductor for earth ground ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components Damage caused by incorrect electrical connections is not covered by warranty An electrician must provide electrical service as specified Using a voltmeter check the voltage and color coding of each conductor at the electrical source Remove the front panel beneath the sprayheads to gain access to the terminal block Feed the cord through the strain relief and connect it to the terminal block Connect the brewer to the power source and verify the voltage at the terminal block before proceeding Re Oe place the front panel 6 If plumbing is to be hooked up later be sure the brewer is disconnected from the power source If plumbing 120 208 and 120 240 volt ac three phase 50 Hz models Note This electrical service consists of 4 current carrying conductors Neutral L1 L2 and L3 and a separate con ductor for earth ground irum
55. leasethe YES pad The display should read CONTAINER READY If the container is under the funnel press YES The display should read CALIBRATE SPRAY PRESS BREW TO START 5 Press and release the BREW switch The display should read CALIBRATE SPRAY 60 SEC TO FIN ISH The 60 second timer on the display will count down to zero When the counter reaches zero the display will change to ENTER OZ along with a number measured in ounces per minute 6 Measure the amount of water in the container and using the or adjust the amount on the display to match the amount in the container Then press DONE 7 The display should now read NEW SPRAY FLOW along with the correct flow rate of the sprayhead in ounces per minute After about 5 seconds the display will return to the CALIBRATE FLOW screen 8 Toexit the CALIBRATE FLOW program press NO to advance to the next function screen or press the ON OFF switch located on the front switch panel to exit the CALIBRATE FLOW function and return to the MAIN SCREEN 35879 1 071405 PROGRAMMING THE BREWER cont CALIBRATE FLOW cont EXIT TO THE ESTA NEXT Function Beer CALIBRATE FLOW _ NO YES SCREEN SPRAYHEAD CAL NO YES Digital Brewer C iro yo CONTAINER RDY QUIT YES Bea Z CALIBRATE SPRAY PRESSBREWSTART BREW ese COUNTS DOWN SPRAY TOZERO 60 SEC TO FINISH AFTER ENTER OZ XX X DONE
56. m when the brew solenoid shuts off to when drip out occurs for that batch size 1 NOTE Set to OFF to prevent funnel locks from engag ing to disable this function for a particular batch size To set to OFF press and release until OFF is displayed Page 31 11 When finished press another batch size and repeat step 10 until all three batches are set When finished press DONE The display should read 3 BATCHES DONE Ifthe three batch sizes are set correctly press YES The screen should show the name of the coffee flavor being programmed modified along with SETUP COMPLETE 14 After a 5 second delay the display will advance to the next coffee name in the brewer s memory If no other coffee names are present the display will read THAT WAS THE LAST RECIPE and return to the REVIEW RECIPES screen 1 n2 1 oo REVIEW RECIPES YES 7 NO exitto 2 Biewer Cuye NEXT FUNCTION SCREEN NO NAME MODIFYSHOWNEXT Breuer ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY BREW OZ XX XX 3 BATCHES DONE BYPASS XX X 3 BATCHES DONE SET PULSE BREW SET PREINFUSION COFFEE NAME MODIFYSHOWNEXT oz DRIP TIME X XX WHEN THE LAST COFFEE DONE IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT Brewer Connor WILL EXIT AND THE DISPLAY W
57. n be individually tested are as follows Brew Valve Bypass Valve Funnel Lock Optional Refill Valve Tank Heaters Heater Contactor Procedure to test components outputs 1 Place brew funnels into rails on the brewer 2 Place a Soft Heat server beneath the brew fun nel 3 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until the display reads SERVICE TOOLS 4 Press YES to run tests on various components and outputs within the brewer Pressing NO will exit this function and advance to the next function screen The display should read TEST OUTPUTS 6 Press and release YES The display should read BREW VALVE 7 Totest BREW VALVE press ON If the brew valve is functional water should run from the brewer Press OFF to end flow of water Press NEXT to advance to the next component to be tested en NOTE To bypass testing any component press NEXT to advance to the next one without testing the previ ous component 10 To test BREW BYPASS press ON If the bypass valve is functional water should run from the brew bypass 11 Press OFF to end flow of water 12 Press NEXT to advance to the next component to be tested 13 To test FUNNEL LOCK press ON If the funnel lock is functional the lock will come down to hold the funnel in place 35879 1 071405 PROGRAMMING THE BREWER cont SERVICE TOOLS cont
58. name thatis not already stored in the grinder s memory a RECIPE CARD can be obtained from the factory The RECIPE CARD would include all the information needed to set up that particular coffee name The information fromthe RECIPE CARD is loaded into the grinder s memory then into the brewer s memory by holding the chip area up to the equipment s sensing coil This information can include the coffee name BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES and DRIP OUT TIMES for that particular coffee NAME These can all be loaded in seconds Contact Bunn O Matic Corporation for the avail ability of RECIPE CARDS NOTE Instructions to program the brewer and grinder are printed on the RECIPE CARD along with the coffee name that is being programmed Procedure to program the coffee name 1 Remove the funnels if present from the left and right funnel rails 2 Position the RECIPE CARD vertically so that the top end of the CHIP is beneath the left side funnel sensing coil 3 Afterashort pause the display will read CARD CON TAINS RECIPE FOR then will change to COFFEE NAME SHOW QUIT SAVE All brewing parameters for that coffee name are now transferred from the CARD to the brewer 4 Toshow view this information press and release SHOW The display will scroll through all of the brew Settings for all three batch sizes The display will then return to CARD CONTAINS RECIPE FOR then will change to COFFEE NAME SHOW QUIT SAVE 5 I
59. nd labor warranty periods specified above to repair the defective components provided that this repair is done by a BUNN Authorized Service Representative or 2 shall replace the equipment or refund the purchase price for the equipment THE BUYER S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS EQUIPMENT WHETHER DERIVED FROM WARRANTY OR OTHERWISE SHALL BE LIMITED AT BUNN S 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 BrewWISE BUNN Gourmet Ice BUNN Pour O Matic BUNN Bunn OMatic 0 BUNNlink BUNNserve BUNN Espress DBC Dr Brew Dual EasyClear EasyGard Easy Pour FlavorGard Gourmet Ice Gourmet Juice High Intensity IMIX Infusion Series Legendary for Quality The Mark of Quality in Beverage Equipment Worldwide My Caf PowerLogic Safety Fresh Single Smart Funnel Smart Hopper Soft Heat SplashGard System 111 ThermoFresh 392 AXIOM Bever age Profit Calculator Beverage Bar Creator BrewLOGIC BrewMETER BrewWIZARD BUNNSERVE BUNNsource Coffee At Its Best Cool Froth Digital Brewer Control Intellisteam Nothing Brews Like a BUNN Pou
60. nsert the funnel into the rails of the brewer The display should read the NAME of the coffee that was ground into the funnel along with a NO and YES If the NAME on the display is correct press YES 6 If for some reason the name of the coffee from the grinder did not load properly into the funnel or if a grind has not yet been done the display will read MUST GRIND INTO FUNNEL FIRST It will be necessary to grind another batch following steps 1 and 2 7 grind is acknowledged by the brewer the display will read BEGIN SETUP OF COFFEE NAME Then the screen will display BREW OZ and a batch light will be blinking Referto BREW 0Z SETTING OR ADJUSTING for description BREW OZ XX X DONE 3 BATCHES DONE YES b Bier Cr BYPASS DONE F gt Brewer 2415 35879 1 071405 PROGRAMMING THE BREWER cont SET NEW RECIPES cont 8 Using and set the amount of brew water in ounces to be dispensed for that particular batch size 9 When finished press another batch size and re peat step 8 for that size Continue setting all batch sizes 10 When finished setting all batch sizes press and release DONE The display should read 3 BATCH SIZES DONE 11 If the three batch sizes are not correct press and release NO to return to the BREW OUNCES setup screen and repeat steps 8 through 10 If the three batch sizes are correct
61. optimum brewing quality SET NEW RECIPE NO YES REVIEW RECIPES NO YES m INSERT FUNNEL WITH NEW NAME QUIT SETUP YES baz Brewer FUNNEL DETECTED FUNNEL FUNNEL CONTAINS CONTAINS NAME NO NAME COFFEE NAME NO YES oz Ber MUST GRIND INTO FUNNEL FIRST BEGIN SETUP OF COFFEE NAME SEE SEPARATE DIAGRAMS Y SETUP BREW VOLUMES BYPASS PULSE BREW 7 FOR SETUP INSTRUCTIONS PREINFUSION oe TIME 3 BATCHES DONE NO YES Detar Biewer Connor COFFEE NAME SETUP COMPLETE L Page 19 Procedure for Setting the Recipe NOTE Before beginning setup place a server beneath the brew funnel 1 Insertthe funnel into the grinder and select a batch sizeto grind Itisnot necessaryto have coffee beans in the hopper s in order to program the brewer The coffee name is pre selected and stored in the grinder s memory for the side being ground 2 Press the GRIND switch When the grinder stops grinding remove the funnel 3 Onthe brewer press and hold the upper right hid den switch until the display reads UNITS Release the switch then press and release the switch again until the display reads SET NEW RECIPIE 4 Press and release YES The display should read INSERT FUNNEL WITH NEW NAME then QUIT SETUP These three displays will repeatedly cycle 5 I
62. p and return to the MAIN SCREEN REVIEW RECIPES NO Digitat Biewer VES NEXT FUNCTION SCREEN NO NAME MODIFYSHOWNEXT Bewer BREW OZ XX X DONE Connor 3 BATCHES DONE NO YES Digar Biewer Connor BYPASS XX X DONE Digital Bose SEE MODIFYING BYPASS PERCENTAGES ON THE FOLLOWING PAGE OR PRESS AND RELEASE ON OFF SWITCH TO EXIT THE BREW 0Z SETUP AND RETURN TO THE MAIN SCREEN 3 ADVANCES ALL OTHER gt COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY COFFEE NAME MODIFYSHOWNEXT o WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ THAT WAS THE LAST RECIPE 35879 1 071405 Page 24 PROGRAMMING THE BREWER cont BYPASS This function allows adjustment of the amount of water that bypasses the grounds The number signi fies the percentage of the brew volume which does not flow over the coffee grounds Modifying recipes bypass percentages Range 0 to 90 for all three batch sizes NOTE Ifthe breweris already inthe BYPASS screen it is not necessary to follow steps 1 through 6 in this section but proceed directly to step 7 1 Press and hold the upper right hidden switch until the display reads UNITS Release the switch then press and release switch until t
63. r Chur gu 7 BREW TIME X XX DONE 3 BATCHES DONE NO YES Bese Cie 3 BATCHES DONE SET PULSE BREW NO YES No I e ENTER TIMES ist OFF LAST NO YES XXX Hipa Bese Cie 5 sec delay 1st ONTIME C DONE DRIP TIME X XX 1 4 OFF TIMES X XX C DONE 3 BATCHES DONE NO YES LAST ON Pre DONE NO NAME SETUP COMPLETE 1st OFF LAST XXX XXX Prel Return to A 5 sec delay 3 BATCHES DONE NO YES Page 16 D ENABLE ADS NO DONE YES SET TEMP 200 F DONE Biewer SY 0 SET READY 195 F DONE 0 REFILL 155 DONE SPRY OZ M DONE BYPAS OZ M XX X DONE Continues to E 35879 1 071405 PROGRAMMING THE BREWER cont PROGRAM FLOW DIAGRAM Cont SPRAY HEAD CAL NO YES BREW VALVE ON NEXT OFF BYPASS CAL NO YES gt Bese Je BYPASS ON NEXT OFF E CALIBRATE FLOW CONTAINER RDY CONTAINER RDY NO YES QUIT YES QUIT YES FUNNEL LOCK Bese Cha ON NEXT OFF BREW COUNTERS CALIBRATE BYPASS CALIBRATE SPRAY PRESS BREW START PRESS BREW START NO YES REFILL VALVE ON NEXT OFF FUNNEL DETECT NO DONE YES TANK HEATERS ON NEXT OFF COUNT 0
64. rce throughout the initial setup except when specified in the instructions 1 2 3 4 m Insert an empty funnel into the funnel rails of the brew station Place an empty server under the funnel Connect the brewer to the power source Water will begin flowing into the tank and stop when the tank is filled to its capacity Display will show PLEASE WAIT TANK FILLING until tank is filled with water Wait approximately 20 mins for the water in the tank to heat to the proper temperature on 120V 208V ma chines Wait approximately 45 mins on 120V machines Display will show READY TO BREW WATER TEMP when tank is at operating temperature Place a small vessel beneath the faucet and open the faucet handle Release it when you hear the tank refill ing Water volumes have been preset at the factory Refer to adjustments for the Set Brew Volumes section of this manual should the volume need to be increased or decreased The brewer is now ready for use in accordance with the coffee brewing instructions COFFEE BREWING Insert a BUNN filter into the Smart Funnel If a grinder is not used to obtain the coffee grounds pour the proper amount of fresh coffee grounds into the funnel and level by gently shaking Slide the funnel into the funnel rails and select batch size Proceed to step 5 If a G9 2T DBC or MHG grinder is used with a compatible Smart Funnel select the desired batch size on the grinder Grind the selected amount of f
65. resh coffee into funnel and level grounds by gently shaking It is not necessary to select a size on the brewer Slide the funnel into the funnel rails The brewer will read the size ground through the chip in the funnel handle and will automatically select the correct size to brew Place an empty server under the funnel The ENABLE BREW switch must be ON indicator lit Momentarily press and release the BREW switch If the brewer has the funnel lock option and if it is activated once a brew cycle has been started the funnel is locked in place There may be certain situations in which the brew cycle will not begin when BREW switch is pressed ENABLE BREW must be ON BREW TEMPERATURE TOO LOW wait until heated or cancel BREW LOCKOUT option FUNNEL NOT IN PLACE or using a standard brew funnel cancel FUNNEL DETECT CHECK FUNNEL remove funnel empty previously brewed grounds and grind a new batch into the fun e If none of the above messages are displayed the display will read NOW BREWING and the time remaining in the brew cycle Following the BREW will be a countdown DRIPPING time which shows the time remaining until the funnel lock will release Discard the grounds and filter only after visible dripping stops Page 9 35879 1 062107 CLEANING The use of a damp cloth rinsed in any mild nonabrasive liquid detergent is recommended for cleaning all surfaces on 0 equipment Do NOT clean this equipment with a wat
66. rewer BREW LOCKOUT The inability to initiate a brew if the water temperature is less than the ready temperature programmed into the brewer BYPASS The process of diverting a portion of the brew water to the outside of the paper filter so that it does not pass through the coffee grounds This process is sometimes used to optimize the flavor of the finished brew CHIP A computer chip containing either recipes for specific coffee flavors or advertising messages which are read by the sensing coil on the brewer One chip is embedded in each Smart Funnel handle to carry the coffee flavor name and batch size ground from the grinder to the brewer DRIP TIME The length of time from when the water spray over the grounds ends to the time that no water drips from the funnel tip FACTORY DEFAULTS The factory preset brew settings that were installed into the brewer s memory FIRST ON TIME During a pulse brew this is the time set for the initial flow of water over the grounds FUNNEL DETECT Sets the inability to initiate a brew cycle if the funnel is not properly inserted into the funnel rails FUNNEL SENSING COIL A sensor on the front hood of the brewer which reads what name and batch size of coffee was ground into the funnel and allows for the brewer to automatically set itself to what is read from the funnel handle LAST ON TIME During a pulse brew this is the time set for the second on time and each alternating on time for the remainder of the
67. ring Profits Pulse Wave Quality Beverage Equipment Worldwide Scale Pro Signature Series Silver Series Smart Heat SmartWAVE Tea At Its Best The Horizontal Red Line Titan Ultra are either trademarks or registered trademarks of Bunn O Matic Corporation Page 2 35879 1 011108 TABLE OF CONTENTS User NOTICES uu usakama REL ET 4 Gig NN ERE T E SO TE 5 Pl mbi g R q uIefments_ eadeni pts au pue dns bea rmt pm kakunaka tub Dra dua anis 7 Operating GOS ces u a un Qa h aa wasasapa au a aspa apa s lupa 8 mitat Setup L mme 9 Gotec a UM unaq sas Sten badge ete ou CM 9 Cleaning moroen rr CR nu 10 sn 11 PROGRAMMING eee D 12 Programming SWII6 I8S 12 Programming the Brewer L L ann raa edes a ag d 13 PROGRAM FUNCTIONS LEVEL 1 Brew Lockout sesenta 13 PROGRAM FUNCTIONS LEVEL 2 14 PROGRAM FUNCTIONS FLOW 15 Set Units Setting units Of measure nn n nn nsn n 18 Set New Recipe using a Smart Funnel and G92T DBC or MHG Grinder 19 Set Brew Volumes ee ee eee eee eee ee Ducis eee ne ear ee 19 Set By Pass Percentages aaa nas anre hl epi Footer ees Eh Ha e
68. se the switch then press and release switch until the display reads REVIEW RECIPES REVIEW RECIPES NO YES EXIT TO NEXT FUNCTION SCREEN Z NO NAME MODIFYSHOWNEXT Digital SCROLLS THROUGH ALL BREW SETTINGS FOR NO NAME COFFEE P2442 Page 23 Press YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT Press and release SHOW The screen will scroll through all the brew settings for that particular coffee name When finished the display will return to the coffee name just viewed To see settings again press SHOW To advance to the next coffee name press NEXT To exit press NEXT until the display reads THAT WAS THE LAST RECIPE After 5 seconds the display will return to the REVIEW RECIPES screen Press and release NO to advance to the next function screen or press and release the ON OFF switch located on the front switch panel to exit the programming mode and return to the MAIN SCREEN ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY COFFEE NAME MODIFYSHOWNEXT o Be SCROLLS THROUGH ALL BREW SETTINGS FOR ANY OTHER OFFEE NAMES STORED IN BREWER S MEMORY WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ THAT WAS THE LAST RECIPE 35879 1 071405 PROGRAMMING T
69. splay should read TEST OUTPUTS 6 In TEST OUTPUTS screen press NO Continue to press and release NO until the display reads TEST FREQUENCY 7 Press and release YES The display will show the frequency of the sensor coil circuits This is for diagnostic service use when troubleshooting this circuit 8 Afterthe coils have been tested press and release the ON OFF switch located onthe front switch panel This will exit the TEST FREQUENCY function and return to the MAIN SCREEN NOTE If the operator wishes to test more than one function in the SERVICE TOOLS section outputs switches servers or coil frequency it is not necessary to exit the program Use the flow chart for SERVICE TOOLS to navigate to a particular function 35879 1 071405 PROGRAMMING THE BREWER cont FACTORY DEFAULTS This function allows the operator to erase all of the previously entered recipes and ad messages Factory set default values will replace all previous settings SEL BREWER TYPE NO YES Breuer Chor ThermoF SoftHeat DONE Digar oe Conor FACTORY DEFAULTS NO MES Do al EXIT WILL REPLACE ALL BREW SETTINGS gt ARE YOU SURE NO YES z Brewer EXIT P2312 REPLACE Procedure to set factory defaults 1 Press and hold the upper right hidden switch until UNITS appears Release the switch
70. t to prevent access to the programming levels of the brewer Once all the cor for NO for DONE for YES rect brew settings are programmed the operator can set the switch to the DISABLE position to prohibit The YES or NO should be flashing Select YES to anyone from changing the settings prevent brewing if the water temperature is below the set READY temperature Select NO to permit brewing uU at any water temperature E ALL When finished press and release DONE This will exit this function screen and return to the MAIN PROGRAMMING SCREEN on the display SWITCH P2424 Page 13 35879 1 071405 PROGRAMMING THE BREWER cont PROGRAM FUNCTIONS LEVEL 2 There are three methods of programming the various brewing parameters of the Single TF DBC with Smart Funnel Brewer METHOD 1 Using a Smart Funnel and a G9 2T DBC or MHG Grinder Certain coffee NAMES are stored in the G9 2T DBC or MHG s memory Whena particular name of coffee is ground into the Smart Funnel that name and the batch size selected are transferred from the grinder to the programming chip located in the funnel s handle The funnel is then inserted into the brewer s funnel rails The sensor coil on the brewer reads the information contained in the handle This then allows the operator to setthe BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES PREINFUSION TIMES and DRIP OUT TIMES for that particular coffee NAME
71. tomatically selects the NO NAME brewing parameters set up prior to brewing This includes the BREW VOLUMES BYPASS PERCENTAGES PULSE BREW TIMES PREINFUSION TIMES and DRIP OUT TIMES for the three batch sizes DOES THE GRINDER HAVE THE NAME IN ITS MEMORY NO IN GRINDER MANUAL OR OR CONTACT BUNN O MATIC FOR ASSISTANCE P2438 35879 1 071405 PROGRAMMING THE BREWER cont PROGRAM FLOW DIAGRAM LEVEL Press upper right hidden switch for approximately 2 seconds until the following screen appears BREW LOCKOUT NO DONE YES Returns to normal operating mode LEVEL Il Press upper right hidden switch for approximately 4 seconds until UNITS appears on screen Sets unit of Sets unit of UNITS SET NEW RECIPE INSERT FUNNEL QUIT SETUP Metric METRIC DONE ENG English NO YES WITH NEW NAME YES A REVIEW RECIPES NO YES Cycles thru program constants B ASSIGN RECIPE NO NAME NO MES MODIFY SHOW NEXT Tig ee THAT WAS THE LAST RECIPE Returns to Continues to D SELECT RECIPE SETALL BREW OZ X XX DONE 4 1 4 5 sec delay NO NAME DONE 3 BATCHES DONE NO YES Continues to D Continues to C Page 15 35879 1 071405 PROGRAMMING THE BREWER cont PROGRAM FLOW DIAGRAM Cont C BYPASS XX D EASY PULSE SETUP DONE m NO MES P tal Beewe
72. tri etes 20 Set Pulse Brew Times 1 I L 20 OTA asas q sauna a S apiu aa 20 Set New Recipe using a Recipe Card 18 Set New Recipe no Smart Funnel nor G9 2T DBC Grinder 19 Review Recipes Modify Recipes Set up No Name Coffee 20 DOU Brew o DI TT 24 Set Bypass Percentages duae erc diuisa bi assassin taut U Gb usi nante 25 Set Pulse Brew TIMES asa aaa ttu Ras tuni eue lcu tos eu Had petis Recte 26 28 Enter TINGS 29 Set Preinfusion TIMES esie uds puo api nasutus qa 30 DRUDHD MNS SSE 31 Assign CCU OS unu uu Gaeta tence a gee f ape co bu Dai 32 Enable dee cc cT 32 Set Temp Brewing Temperature ease tme esc 33 ser Ready Ready De eu taion deci 33 Lian Weber ln p 33 Spray 0z M Read sprayhead flow rate essere rennen 34 Bypass Oz M Read bypass flow rate 34 Calibrate TOW Aet t 34 Calibrate Sprayhead Ronettes 34 Calibrate Bypass 35 Brew Counters View Reset
73. uld read BREW OZ 5 Press and release DONE The display should read 3 BATCHES DONE 6 Press and release YES The display should now read BYPASS 7 Press and release DONE The display should read 3 BATCHES DONE 8 Press and release YES The display should now read SET PULSE BREW 9 Press and release YES The display should now read EASY PULSE SETUP 10 If setting pulse brew using EASY PULSE brewing into afunnel press YES and proceed with the setup instructions for SETTING PULSE BREW EASY PULSE SETUP If setting pulse brew by ENTER TIMES entering known times press NO The display should read ENTER TIMES Press and release YES and proceed with the setup instructions for SETTING PULSE BREW ENTER TIMES 35879 1 071405 PROGRAMMING THE BREWER cont SET PULSE BREW cont REVIEW RECIPES EXIT TO NEXT FUNCTION SCREEN NO NAME MODIFYSHOWNEXT ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY BREW OZ XX XX DONE 3 BATCHES DONE YES BYPASS XX X DONE 3 BATCHES DONE YES lt RECIPE NAME gt MODIFYSHOWNEXT SET PULSE BREW NO YES Digital Coutror ii WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ EASY PULSE SETUP THAT WAS THE LAST RECIPE SEE PULSE BREW SETUP ENTER TIMES P2445 1 Page 27 35879 1 071405 PROGRAMMING THE BREWER cont SET PULSE BREW

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