Installation & Operation Manual
Contents
1. 5 Electrical Require MENiS sostres au RESE o date 5 Plumping es UUM UM UIE mee de tust etian Der LIIS SOT i RR Eme 6 Electrical HOOK UT CENT E TT 6 Gi pio EIU FOODS NE ETE 6 Operating Controls amp Interface 2 7 ESL PRUNUS Demos 9 mitia FIIF MEER EET TETTE 10 Rinse ADI PCAN cp cds r dip up Genera duke pe diu EE 11 er etapa x eun ui eer vacan eee ee 12 Priming the Concentrat LINES oda 16 E 16 Operating the Dispense aer A EEEa EEE 14 Cleaning Preventive Maintenance do ete trita Exultet rae en 18 Replacing the Pump TUDING ta 19 Calibrating the 2 20 rra DUELO RENTRER2. 22 Field Calibration of the Concentrate itia troia teet pared tho pea uaa oet enenatis 24 Dispenser Flow Bale Calibration uua 24 Field Calibrating the Empty Product trat ces 25 dieat 26 3 38791 031606 DIR Num 38791 0000 16 December 2014 USER NOTICES AWARNING DO NOT OVERLOAD CIRCUIT ALWAYS ELECTRICALLY GROUND THE CHASSIS OR ADAPTOR PLUG DO NOT DEFORM PLUG OR CORD FOLLOW NATIONAL AND LOCAL ELECTRICAL CODES KEEP COMBUSTIBLES AWAY FAILURE TO COMPLY RISKS EQUIPMENT DAMAGE FIRE OR SHOCK HAZARD READ THE ENTIRE OPERATING MANUAL BEFORE USING THIS PRODUCT 00986 0002E 5 98 1994 Bunn O Matic Corporation 00986 0002 As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must be installed with adequate backflow prevention to comply with federal state and local codes For models installed outside the U S A you must comply with the applicable Plumb ing Sanitation Code for your area 00656 0001 WARNING To reduce the risk of electric shock do not remove or open cover No
3. INSTALLATION amp OPERATING GUIDE BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 i B www bunn com To ensure you have the latest revision of the Operating Manual or to view the Illustrated Parts Catalog Programming Manual or Service Manual 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 For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 38791 0000N 11 14 2006 0 Corporation DIR Num 38791 0000 16 December 2014 BUNN 0 MATIC COMMERCIAL PRODUCT WARRANTY Bunn O Matic Corp BUNN warrants equipment manufactured by it as follows 1 Airpots thermal carafes decanters GPR servers iced tea coffee dispensers MCR MCP MCA single cup brewers ther mal servers and ThermoFresh servers mechanical and digital 1 year parts and 1 year labor 2 All other equipment 2 years parts and 1 year labor plus added warranties as specified below 8 Electronic circuit and or control boards parts and labor for 3 years b Compressors on refrigeration equipment 5 years parts and 1 year labor c Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis parts and labor for 4 years or 40 000 pounds of cof
4. RED BRN WHT 18 RIGHT PUMP RPM SENSOR 22___ WHT RED 18 RIGHT RED BLK 18 PUMP 46 16 J8 1 SWITCH amp LED 08 5 CONDUCTANCE CONDUCTANCE BOARD BRN 20 48 10 WHT BLK 22 WHT GRAY 22 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 26 38791 031606 DIR Num 38791 0000 16 December 2014
5. Open the dispenser door to access the digital programming module with LED display and set the Function Switch to the Rinse position Leave the door open to view the LED display 2 Place alarge container under the dispenser tip then activate and hold the Regular Coffee dispense switch 3 Hold the dispense switch long enough to rinse all the concentrate out of the mix chamber and for the Conductance reading to stabilize and stop dropping 4 Record the nominal Conductance value displayed NOTE It is typical for this value to fluctuate 25 points about the nominal value This is the conductance reading of the water in your area Repeat steps 2 3 amp 4 for the Decaf Coffee dispenser 6 Add 100 points to the larger of the Regular or Decaf conductance value This is the new Empty Product threshold value for your dispenser 7 Enter this new value into the Empty Product Alarm threshold position P8 XXX see Program ming the Dispenser m 25 38791 072307 DIR Num 38791 0000 16 December 2014 SCHEMATIC WIRING DIAGRAM LCA 2 LP GRN LIMIT THERM BLK 16 BLU BLK 16 TANKHEATER WHT 16 POWER SUPPLY 24 VDC 180 WATTS LEFT VALVE RED 18 WHT ORN 22 WHT BLK 18 J10 1 J10 4 MAIN J6 1 CONTROL RED WHT BLU 22 BRN BLK 18 BOARD LEFT PUMP WHT BLK 22 RPM SENSOR 16 5 WHTBLU22 BRN BLK 18 LI RED BLK 18 LEFT PUMP J6 10
6. Disp Total g j g 7 Decaf Disp Total TEF um d 8 Empty BIB Threshold Sm 9 Rinse Alarm a MENU DRAINING THE HOT WATER TANK CAUTION The dispenser must be disconnected from the power source throughout these steps e m c Disconnect the dispenser from the power source Shut off and disconnect the incoming water supply Remove the right side access panel Pull out drain tube to empty into a sink or a container with a minimum of 200 ounce capacity Make sure drain clamp is closed then remove drain plug Direct tube into sink or container and open drain clamp Continue draining tank until ALL of the water is out Be careful when draining the water as it may be very hot Close drain clamp insert drain plug place drain tube back into machine and replace the right side access panel Note The dispenser must be refilled using the nitial Fill amp Heat steps before reconnecting the power source 16 38791 031606 DIR Num 38791 0000 16 December 2014 OPERATING THE DISPENSER Set the Function Selector Switch to Normal and the Mode Selector Switch to Run 1A Push and Hold Dispense Mode Cup at a time See Programming Functions to set this amount a Place cup on the tray beneath the dispensing tip b Push and hold the corresponding dispense switch until the container is full c Remove cup or container 1B Portion Dispense Mode Cup dispense volume preset to a
7. MENU used to scroll to the next menu screen b used to increase the displayed value C used to decrease the displayed value 14 LED Display Displays programming menus and fault messages Continued Next Page 7 38791 063009 DIR Num 38791 0000 16 December 2014 aos E LL LEHRER Bee ches FUNCTION CODE Ea _ 1 Tank Temp F Use MENU to scroll to the next display _ 2 Regular Ratio imme Select PR 3M to chance Set Up Functions _ 3 Decaf Ratio Use or to change the value _4 Cup Disp Volume Carafe Disp Volume Regular Disp Total Decaf Disp Total 11 _ 8 Empty BIB Threshold Em Lu _ 9 Rinse Alarm 4 amp MENU 13 INSTALLING PUMP TUBING INSTALLING THE PUMP TUBING Refer to the Replacement Instruction inside the Cabinet door 1 2 oo Loosen the thumbscrew securing the tubing retainer plate to the pump body and set the retainer plate aside Depress the tension screw and remove it from the notch in the pump body releasing the spring tension on the pump band Apply lubricant BUNN O MATIC part no M2531 0001 to the middle section of the new pump tubing Carefully wrap the new tubing around the rotor making sure that the elbow and clamps end up on the front side of the pump body Depress th
8. connections Right Motor or RPM Sensor Failure Check motor and RPM sensor wires for shorts or open connections Tank Heater ON Continuous For More Than 1 Hour Check heater wires for open connections Fill Valve ON Continuous For More Than 15 Minutes Water turned OFF Refill Valve disconnected Faulty Valve 38791 031606 DIR Num 38791 0000 16 December 2014 TROUBLESHOOTING GUIDE Cont Error Codes Continued LED DISPLAY ERROR 007 Tank Temp Sensor Failed O O O MENU Switch Board Failure MENU 23 DESCRIPTION TROUBLESHOOTING Sensor Reading Out Of Range High or Low Faulty Sensor wiring Unable To Communicate With The Switch Board In The Door Faulty wiring between the Door and the Main Control Board 38791 111714 DIR Num 38791 0000 16 December 2014 Field Calibration of the Concentrate Pumps amp Dispenser Flow Rates The factory set default values for the Pump amp Dispenser Flow Rates are very accurate and typically do not need to be field calibrated However if the mix ratio accuracy is ever in question this procedure can be used to recalibrate the unit in the field Equipment Required 50 to 100 ml graduated cylinder with 1 ml graduations 1500 to 2000 ml graduated container NOTE You can calibrate either the Concentrate Pump or the Dispenser Flow Rate independently Simply scroll through the menu screen to the desired section and perform only those steps refer
9. on the bottom of the dispenser 2 Flush the water line to remove any debris or foreign material and securely attach it to the flare fitting on the water strainer assembly 3 Turn on the water supply and check for leaks PLUMBING HOOK UP Late Models 1 Remove the flare elbow fitting from the parts box Remove the shipping cap from the inlet valve on the bottom of the dispenser and attach the elbow fitting securely to the valve 2 Flush the water line to remove any debris or foreign material and securely attach it to the inlet fitting 3 Turn on the water supply and check for leaks 6 38791 063009 DIR Num 38791 0000 16 December 2014 ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components 1 An electrician must provide electrical service as specified in conformance with all local state and federal electrical codes 2 Using a voltmeter check the voltage and color coding of each conductor at the electrical source 3 Connect the dispenser to the power source 4 f plumbing is to be hooked up later be sure the dispenser is disconnected from the power source If plumbing has been hooked up the dispenser is ready for Initial Fill amp Heat OPERATING CONTROLS AND INTERFACE Dispense Switches Push to dispense product Stop Switch Momentary switch stops all dispense functions Hot Water Switch Push and Hold switch to dispense hot water from the center dispense tip Carafe Swit
10. the front panel when it is time to rinse See Programming Functions to activate this feature Daily RINSING 1 Open the dispenser door and set the Function Switch to Rinse and the Mode Selector Switch to RUN 2 Close the dispenser door and place a 1 2 gal 2 liter container under the dispense nozzle area 3 Activate both dispense switches until the water is clear or has no concentrate coloring in it 10 to 20 Sec 4 Open the dispenser door set the Function Switch back to Normal Note clear the Rinse warning activate both dispense switches one until the flow stops automatically approximately 20 sec for each tip The Rinse LED will turn off when the Rinse time has been satisfied Daily PARTS WASHING 1 Remove and wash the drip tray and drip tray cover in a mild detergent solution Rinse thoroughly 2 Wipe the splash panel dispense nozzles door and cabinet with a clean damp cloth Weekly SANITIZING 1 Open dispenser door and select Prime on the Function Selector Switch and Run on the Mode Selector Switch 2 Remove bag connector from the product box and disassemble or prop open the internal valve to allow free flow of product through the connector Note Cutting the mating fittings from an empty bag makes an excellent free flowing connector for this purpose Place bag connector into a one gallon 3 8 liter container of warm soapy tap water 140F 60C 4 Place an empty container under dispe
11. to Field Calibration of the Concentrate Pumps Enter Liters collected from the 20 sec test above Default 1 10 Range 0 95 1 12 Liters Delays the Pump turn off after a dispense Default 200 Range 1 999 mSec Eng for English 5 1 for Metric Displays last known Error Code Depress the Decrease to view the last 3 Errors Hold the Decrease amp Increase switches for 10 sec to Erase Resets all set up values to the Factory Default setting Hold both Increase and Decrease switch for 10 seconds Displays Software Version Exits To Home View After 3 Seconds 38791 111714 DIR Num 38791 0000 16 December 2014 TROUBLESHOOTING GUIDE Error Codes When an error has occurred all Door LED s will be flashing Open the Door to access the LED Display and record the Error Code Refer to the list of Error Codes below to identify the problem A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered Ifthe problem remains after exhausting the troubleshooting steps contact the Bunn O Matic Technical Service Department LED DISPLAY ERROR Left Regular Pump Failed MENU Right Decaf Pump Failed MENU Heating Time Too Long MENU Bn MENU 22 DESCRIPTION TROUBLESHOOTING Left Motor or RPM Sensor Failure Check motor and RPM sensor wires for shorts or open
12. 2 liters 9 fthe amount of water collected is not within the acceptable range empty the graduated con tainer and repeat STEPS 5 8 10 If the amount collected is still not within range inspect the dispense valves tubing and mix chamber for lime kinks or other obstructions 11 When satisfied with the volume of water collected press the MENU switch The current Water Calibration volume C3 XX will be displayed 12 Use the keys to adjust number displayed to the amount measured in STEP 8 Decaffeinated Coffee Dispenser Flow Rate Calibration Depress the MENU switch to display the Decaffeinated Coffee Flow Rate calibration menu C4 run Repeat STEPS 3 12 above for the right side Decaf pump Field Calibrating the Empty Product Warning The dispenser will automatically turn on the Regular or Decaf REFILL LED see Operating Controls and Interface when the corresponding container is Empty The Refill message is triggered when the conductance sensor reading drops below the minimum setting The factory set minimum is 600 and should be correct for most locations However in some areas the hardness of the local water supply may effect this reading If the Refill message doesn t come on when the container is empty or the mes sage comes on too early and there is still concentrate left in the container use the following procedure to find the correct Empty Product Threshold Calibrating The Empty Product Threshold 1
13. Volume BE Left Regular Dispense Total E 14 DESCRIPTION Default 180 F Range 120 200 F Ready Temp Tank Temp minus 10 F Set Regular Coffee Ratio Default 30 1 Range 25 Max 100 Min Set Decaf Coffee Ratio Default 30 1 Range 25 Max 100 Min Set Cup Dispense Volume Default 0 0 Push amp Hold Range 0 0 16 0 Oz Set Carafe Dispense Volume Default 0 0 Disabled Range 0 0 64 0 Oz Reset Total to Zero 00 0 Gal Hold the Decrease amp Increase 4 switches for 10 sec 38791 060914 DIR Num 38791 0000 16 December 2014 PROGRAMMING THE DISPENSER Cont Program Mode Continued LCD DISPLAY PROGRAM MODE DESCRIPTION Right Decaf Dispense Total Reset Total to Zero 00 0 Gal Hold the 7 Decrease amp Increase switches for 10 sec O O O MENU To check Conductance of Hot Water MENU view the display while rinsing Set value to 100 above reading Rinse Alarm Timer Default OFF gt Rinse Alarm Disabled Range 2 24 hrs Reminder Only No Lock Out To clear alarm set to RINSE Mode MENU Press Left switch then Right switch for 15 seconds each Displays Software Version L C Exits To Home View After 3 Seconds MENU Empty Product Threshold Set Conductance Threshold Default 600 Range 100 Min 900 Max Program Lockout Function The operator must hold down the stop and portion control but
14. ank Temp 2 Regular Ratio 3 lt Decaf Ratio 4 Cup Disp Volume 5 Carafe Disp Volume Use MENU to scroll to the next display Select PRGM to change Set Up Functions Use or to change the value o amp 6 Regular Disp Total 7 Decaf Disp Total 8 Empty BIB Threshold 9 Rinse Alarm 10 38791 031606 Rinse Alarm Feature Periodic rinsing of the mix chambers and dispense tips is essential for proper maintenance and optimum performance of the dispenser The automated Rinse Alarm feature has two levels of operation Disabled and Warning Alarm Level Selected Alarm Mode Disabled None Warning Rinse LED will come on 4 hrs prior to the selected time interval and remain on until the Rinse procedure has been performed The dispenser will continue to serve product NOTE The time interval between Rinses is adjustable from 0 to 24 hrs The dispenser is shipped with the automated Rinse Alarm disabled No Alarm It is up to the user to determine the Rinse time interval and the level of warning required based on their application and maintenance procedures To enable the automated Rinse Alarm feature refer to RINSE ALARM in Programming the Dispenser Rinse Procedure 1 Open the cabinet door and select Rinse on the Function Selector switch close the door 2 Place a 2 Liter 1 2 Gal container under the Left dispense tip 3 Press and hold the Left dispenser until water flow stops automatically ap
15. ary 5 Apply lubricant BUNN O MATIC part no M2531 0001 to the middle section of the new pump tubing Fig 4 6 Carefully wrap the new tubing around the rotor making sure that the elbow and clamps end up on the front side of the pump body Fig 5 7 Depress the tension screw and insert it in the notch in the pump body reapplying spring tension on the pump band 8 Install the free end of the tube over the inlet port of the mix chamber on that side of the cabinet Fig 5 9 Replace the tubing retainer plate and tighten the thumbscrew 9 Open the product container and insert the stainless steel drawtube into the container Fig 6 10 Repeat steps 1 through 9 for the other pump Note Replacement Tube Kits can be purchased from BUNN O MATIC Order part no 37942 1000 Fig 1 Fig 2 Fig 3 Fig 4 o Wr Lubricate between arrows Release Spring Tension Remove Tubing Lubricate New Tube Fig 5 rig 6 Port Elbow amp Clamps O 9 E d Remove Retaining Plate Install New Tubing Completed Installation 19 38791 031010 DIR Num 38791 0000 16 December 2014 CALIBRATING THE DISPENSER NOTE The LCA 2 LP is calibrated at the factory and does not normally need to be re calibrated To enter the Calibration Mode Set the RUN NIGHT PROGRAM Switch to the PROGRAM position and then hold the MENU switch down for 10 seconds LCD DISPLAY CALIBRATION MODE run Left Regular Pump Cal 5 22 L
16. ch Momentarily pushed to select the Carafe dispense Volume Power LED Red illuminates when AC power is applied to dispenser Ready LED Green illuminates when the water is at the preset ready temperature Carafe LED Yellow illuminates when the portion dispense option has been selected 5 second delay Rinse LED Yellow illuminates when the optional preset rinse alarm time has elapsed Left Refill LED Yellow illuminates when the Left Concentrate Can needs replaced 0 Right Refill LED Yellow illuminates when the Right Concentrate Can needs replaced 1 Function Selector Switch Allows the user to select different dispensing functions Located behind the splash guard panel a Rinse Dispenses hot water only Flushes the mix chamber and dispense tip b Prime Dispenses concentrates only Primes the concentrate pump c Normal Normal dispense mode Dispenses mixed product concentrate and water 12 Mode Selector Switch Allows the user to select different operating modes a Run Normal operating position b Night Anti pilfering mode that disables dispensing but keeps heater and chiller operational WARNING The NIGHT Mode does not remove AC power from the dispenser Disconnect power source before servicing the dispenser c Program Enables programming and set up of the dispenser 13 Programming Switches Used in conjunction with the LED display to program and calibrate the dispenser to customer specific requirements a
17. desired amount Refer to Programming Functions to set this amount a Place cup on the tray beneath the dispensing tip b Momentarily press the desired dispense switch The dispenser will automatically dispense the beverage at the preset amount Allow the mix chamber to drain at the end of the cycle c Remove cup 2 Carafe Dispense Mode Refer to Programming Functions to set this volume a Place the appropriate size container beneath the dispensing tip b Momentarily press the Portion Switch The Portion LED will illuminate for 5 seconds after the Portion Switch is pressed c Momentarily press the desired dispense switch If the user waits longer than 5 seconds to push the switch the dispenser will default back to the cup dispense mode The carafe dispense mode can be disabled at any time during the dispense by either momentarily pushing the Dispense Switch again or pressing the Stop button d Wait for the container to fill and the dispenser to quit dispensing then remove the container 3 Hot Water Dispense a Place a container under the dispense tip b Pushand hold the Hot Water switch until water reaches the desired level then release c Remove the container 17 38791 031606 DIR Num 38791 0000 16 December 2014 CLEANING amp PREVENTATIVE MAINTENANCE General Cleaning and Sanitizing Procedures Note The BUNN LCA 2 LP dispenser incorporates a user selectable rinse reminder feature which lights the Rinse LED on
18. e tension screw and insert it in the notch in the pump body reapplying spring tension on the pump band Install the free end of the tube over the inlet port of the mix chamber on that side of the cabinet Replace the tubing retainer plate and tighten the thumbscrew Open the product container and insert the stainless steel drawtube into the container Repeat steps 1 through 8 for the other pump Note Replacement Tube Kits can be purchased from BUNN O MATIC Order part no 37942 1000 10 Prime the pumps Refer to Priming the Concentrate Lines section 3 zi Remove Retaining Plate Lubricate between arrows Release Spring Tension Remove Tubing Lubricate New Tube E NN Inlet Port Elbow amp Install New Tubing Completed Installation DIR Num 38791 0000 16 December 2014 pe INITIAL FILL amp HEAT Select Normal on the Function Selector Switch and Run on the Mode Selector Switch Confirm the water supply is on Connect the dispenser to the power source The Red POWER LED will illuminate and water will begin flowing into the tank The dispenser will automatically stop filling when the tank is full The dispenser will not begin heating the water until after the tank is filled The Green READY LED will illuminate when the tank temperature reaches the preset ready temperature 3 Prena tois mban comin kd EE Se FUNCTION CODE 1 T
19. eft Regular Pump Cal a run Right Decaf Pump Cal 2 22 Right Decaf Pump Cal Left Regular Water Rate BU Left Regular Water Rate ae _ 20 DESCRIPTION Set PRIME NORMAL RINSE switch to PRIME position Press and hold Regular Dispense Switch until pump stops 20 sec Refer to Field Calibration of the Concentrate Pumps Enter mL collected from the 20 sec test above Default 22 Range 18 26mL Set PRIME NORMAL RINSE switch to PRIME position Press and hold Decaf Dispense Switch until pump stops 20 sec Refer to Field Calibration of the Concentrate Pumps Enter mL collected from the 20 sec test above Default 22 Range 18 26mL Set PRIME NORMAL RINSE switch to RINSE position Press and hold Regular Dispense Switch until flow stops 20 sec Refer to Field Calibration of the Concentrate Pumps Enter Liters collected from the 20 sec test above Default 1 10 Range 0 95 1 12 Liters 38791 111714 DIR Num 38791 0000 16 December 2014 CALIBRATING THE DISPENSER Cont LCD DISPLAY CALIBRATION MODE run Right Decaf Water Rate Right Decaf Water Rate s UI m English or Metric Mode Error Code History C9 Reset Factory Defaults 5 e PM 21 DESCRIPTION Set PRIME NORMAL RINSE switch to RINSE position Press and hold Decaf Dispense Switch until flow stops 20 sec Refer
20. fee 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 applicable 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 non periodic cleaning and descaling equipment failures related to poor water quality damage or casualty In addition the warranty does not apply to replacement of items subject to normal use including but not limited to user replaceable parts such as seals and gaskets 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 EX PRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The agents dealers or empl
21. he current Calibration volume C1 XX will be displayed Use the keys to adjust number displayed to the amount measured in STEP 9 Decaffeinated Coffee Concentrate Pump Calibration Depress the MENU switch to display the Decaffeinated Concentrate Pump calibration menu C2 run Repeat STEPS 3 13 above for the right side Decaf pump Calibrating the Dispenser Flow Rates Regular Coffee Dispenser Flow Rate Calibration 1 2 3 Select RINSE on the Function Selector Switch Press the MENU switch to display the Regular Coffee Flow Rate calibration menu C3 run Place a container under Left Dispense Tip and depress the Regular dispense switch until a steady stream of water comes out the tip 5 to 10 seconds Continued Next Page 24 38791 072307 DIR Num 38791 0000 16 December 2014 Field Calibration of the Concentrate Pumps amp Dispenser Flow Rates Continued 4 Stop dispensing and allow the tip to stop dripping Discard the water collected 5 Place 1500 to 2000 ml graduated container under Left Dispense Tip 6 Press amp Hold the Regular dispense switch The dispenser will display a 20 second count down timer and then stop dispensing automatically Release the dispense switch 7 Keep the graduated container under dispense tip until all the water stops dripping 8 Measure the volume of water collected in the graduated container The acceptable range for the volume of water collected is 95 1 1
22. nse tip and activate corresponding Dispense Switch until clean soapy water is dispensed from the dispense tip 5 Repeat steps 3 and 4 with warm tap water 140F 60C to rinse the soapy water from the pump tubing Con tinue activating Dispense Switch until water is clear and no soapy water is being dispensed 6 Prepare 2 5 gallons 9 5L of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2 5 gallons 9 5L of 120F 48 9C water to ensure 100 ppm of available chlorine 7 Repeat steps and 4 with the sanitizing solution Once sanitizing solution is visible continue to dispense for 1 minute Release handle and allow solution to sit for 5 minutes 8 After soaking for 5 minutes activate the dispense switch a second time this time for 2 minutes After 2 minutes release the dispense switch 9 Repeat step 5 with warm tap water to flush sanitizing solution out of the pump tubing 10 Remove mating connector from the bag connector 11 Reattach bag connector to product box 12 Select Normal on Function Selector Switch and Run on Mode Selector Switch 13 Actuate Dispense Switch until concentrate water mixture appears Continue to dispense at least 12 oz 355 ml of concentrate water mixture and discard 14 Repeat steps 1 through 13 for other dispense head ad 18 38791 063009 DIR Num 38791 0000 16 December 2014 PREVENTIVE MAINTENANCE Bunn O Matic Corporation recommends that preventive maintenance be performed at
23. oyees 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 op tion while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and 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 392 A Partner You Can Count On Air Infusion AutoPOD AXIOM BrewLOGIC BrewMETER Brew Better Not Bitter Brew WISE BrewWIZARD BUNN Espre
24. proximately 20 sec 4 Repeat Steps 2 amp 3 for the Right dispense tip NOTE The Rinse LED will turn OFF when the Rinse procedure has been satisfied for both sides 5 Open the cabinet door and select Normal on the Function Selector switch close the door FUNCTION CODE Ea 1 Tank Temp 2 Regular Ratio Lanse EN 1 3 Decaf Ratio 4 Cup Disp Volume 5 Carafe Disp Volume 6 Regular Disp Total 7 Decaf Disp Total 8 Empty BIB Threshold 9 Rinse Alarm Use MENU to scroll to the next display Select PRGM to change Set Up Functions Use or to change the value 886 Lh MENU 11 38791 040208 DIR Num 38791 0000 16 December 2014 PROGRAMMING THE DISPENSER Open the dispenser door to access the digital programming module with LED display Two basic modes are available to the operator Display Mode and Program Mode To enter the Display Mode Set the RUN NIGHT PROGRAM Switch to the RUN position To enter the Program Mode Set the RUN NIGHT PROGRAM Switch to the PROGRAM position Display Mode Used to view the current set up values Use the MENU switch to scroll to the next display NOTE The display blanks out after two minutes of inactivity Press any button to activate the display LCD DISPLAY DISPLAY MODE DESCRIPTION Ld Home View DisplaysTank Temperature Tank Temperature Displays target Tank Temperature F Regular Dispense Ratio Di
25. regular intervals Maintenance should be performed by a qualified service technician For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 NOTE Replacement parts or service caused by failure to perform required maintenance is not covered by warranty Replace pump hoses every 6 Months or as needed REPLACING THE PUMP TUBING The pumps and tubing used in the dispenser are designed to give maximum performance and long life However the tubes are a wear item and must be replaced periodically How long the tubes last is dependent on usage and properties of the concentrate Excessive wear will reduce the output of the pumps resulting in a weak mixed beverage 0 recommends replacing the Pump Tubing a minimum of once every 6 months or sooner if warranted Refer to the Tube Replacement Instruction inside the Cabinet door Note To avoid concentrate spills rinse the pump tubing with warm tap water prior to removing the tubes Refer to steps 1 4ofthe Weekly Sanitizing instructions 1 Loosen the thumbscrew Fig 1 securing the tubing retainer plate to the pump body and set the retainer plate aside 2 Depress the tension screw and remove it from the notch in the pump body releasing the spring tension on the pump band Fig 2 3 Gently pull the pump tube from around the pump rotor Fig 3 4 nspectthe pump bands rollers and housing for contamination or signs of wear Clean or replace worn parts if neces s
26. splays Left Dispense Ratio XXX 1 woe Decaf Dispense Ratio Displays Right Dispense Ratio XXX 1 P Dispense Volume Displays Cup Dispense Volume XX X 07 Set to 0 0 for Push and Hold Dispense Mode oe E Carafe Dispense Volume Displays Carafe Dispense Volume XX X 07 ne 12 38791 072307 DIR Num 38791 0000 16 December 2014 PROGRAMMING THE DISPENSER Cont Display Mode Continued LCD DISPLAY DISPLAY MODE Regular Dispense Total us z Decaf Dispense Total 0 Empty Product Threshold us E NN E MENU T 13 DESCRIPTION Displays Total Regular Coffee Dispensed XX X Gal Displays Total Decaf Coffee Dispensed XX X Gal Displays Empty Product Threshold Default 600 Displays The Hours Between Required Rinses Default 0 gt OFF Alarm Disabled Displays Software Version Exits To Home View After 3 Seconds 38791 040306 DIR Num 38791 0000 16 December 2014 PROGRAMMING THE DISPENSER Cont Program Mode Used to change or enter new set up values To enter the Program Mode Set the RUN NIGHT PROGRAM Switch to the PROGRAM position the unit will display __ PPP to indicate it is in the Program Mode Use the MENU switch to scroll to the next display Use the Increase and Decrease switch to adjust the values LCD DISPLAY PROGRAM MODE vv a Left Regular Dispense Ratio Right Decaf Dispense Ratio Cup Dispense Volume Eu Carafe Dispense
27. ss BUNN Family Gourmet BUNN Gourmet BUNN Pour O Matic BUNN BUNN with the stylized red line BUNNlink Bunn OMatic Bunn O Matic BUNNserve BUNNSERVE with the stylized wrench design Cool Froth DBC Dr Brew stylized Dr design Dual Easy Pour EasyClear EasyGard FlavorGard Gourmet Ice Gourmet Juice High Intensity iMIX Infusion Series Intellisteam My Caf Phase Brew PowerLogic Quality Beverage Equipment Worldwide Respect Earth Respect Earth with the stylized leaf and coffee cherry design Safety Fresh savemycoffee com Scale Pro Silver Series Single Smart Funnel Smart Hopper SmartWAVE Soft Heat SplashGard The Mark of Quality in Beverage Equipment Worldwide ThermoFresh Titan trifecta TRIFECTA sylized logo Velocity Brew Air Brew Beverage Bar Creator Beverage Profit Calculator Brew better not bitter Build A Drink BUNNSource Coffee At Its Best Cyclonic Heating System Daypart Digital Brewer Control Element Milk Texturing Fusion Nothing Brews Like a BUNN Picture Prompted Cleaning Pouring Profits Signature Series Sure Tamp Tea At Its Best The Horizontal Red Line Ultra are either trademarks or registered trademarks of Bunn O Matic Corporation The commercial trifecta brewer housing configura tion is a trademark of Bunn O Matic Corporation 2 38791 031314 DIR Num 38791 0000 16 December 2014 CONTENTS VIG QUE 2 T Emm 4
28. to Calibrating the Dispenser Calibrating the Concentrate Pumps Regular Coffee Concentrate Pump Calibration 1 2 10 11 12 13 Open the door of the dispenser and select PROGRAM on the Mode Selector Switch Depress and Hold the MENU switch for approximately 10 sec The unit will display C1 run when it has entered the Calibration Mode Select PRIME on the Function Selector Switch Place a container under the left Dispense Tip and depress the Regular dispense switch until a steady stream of concentrate comes out the tip 5 to 10 seconds Stop priming and allow the tip to stop dripping Discard the concentrate collected Place a 50 graduated cylinder under the Left Dispense Tip Press amp Hold the Regular dispense switch The dispenser will display a 20 second count down timer and then shut the pump OFF automatically Release the dispense switch Keep the graduated cylinder under dispense tip until all the concentrate has dripped out Measure the volume of concentrate collected in the graduated cylinder The acceptable range for the volume of concentrate collected is 16 26 ml If the amount collected is not within the acceptable range empty the graduated cylinder and repeat STEPS 6 9 If the amount collected is still not within range replace the pump tubing with a new Tube Kit refer to the Tube Replacement Instructions When satisfied with the volume of concentrate collected press the MENU switch T
29. to a cold or hot water system 140 F Max with operating pressure between 20 and 90 psi 0 138 and 0 620 MPa from a 3 8 or larger supply line A shut off valve should be installed in the line before the dispenser Install a regulator in the line when pressure is greater than 90 psi 0 620 MPa to reduce it to 50 psi 0 345 MPa The water inlet fitting is 1 4 flare Dispensers set up to deliver to 50 0 ml sec 1 7 Oz sec and require a water supply source that can deliver a minimum of 1 0 3 8 Ipm at the inlet fitting NOTE Bunn O Matic recommends 1 4 tubing from the 3 8 water supply line Atleast 18 inches of FDA approved flexible beverage tubing such as reinforced braided polyethylene or silicone before the dispenser will facilitate movement to clean the counter top It can be purchased direct from Bunn O Matic part number 00326 0000 Bunn O Matic does not recommend the use of a saddle valve to install the dispenser The size and shape of the hole made in the supply line by this type of device may restrict water flow As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must be installed with adequate backflow prevention to comply with federal state and local codes For models installed outside the U S A you must comply with the applicable Plumbing Sanitation Code for your area NOTE Water pipe connections and fi
30. ton for 10 sec onds while machine is in program mode At 10 seconds the machine s display changes from PPP to PP LOC indicating the locked position At this point the operator may view the setup functions but not alter any of the parameters In order to unlock the machine repeat the aforementioned process A MemoryLocked flag is set in eeprom so that the machine will retain this setting if power is lost LCD DISPLAY PROGRAM FUNCTION DESCRIPTION Function Lockout Feature Prevents the user from changing set up L C functions 15 38791 111714 DIR Num 38791 0000 16 December 2014 PRIMING THE CONCENTRATE LINES 6 Open the dispenser door Select Prime on the Function Selector Switch and Run on the Mode Selector Switch Close the dispenser door Place a container under the dispense tip Activate the appropriate dispenser until concentrate flows from the dispense nozzle Priming may take 5 to 10 seconds Open the dispenser door select Normal on the Function Selector Switch Note Concentrate may continue to drip out of dispense tip The user may wish to Rinse refer to Rinsing the dispenser to clean out the remaining concentrate FUNCTION CODE _ 1 Tank Temp Use MENU to scroll to the next display 2 Regular Ratio Select PRGM to change Set Up Functions 3 Decaf Ratio Use or to change the value 4 Cup Disp Volume 5 Carafe Disp Volume 6 Regular
31. user serviceable parts inside Authorized service personnel only Disconnect power before servicing Ne 37881 0000 11646 0002 00824 0002 DIR Num 38791 0000 16 December 2014 S e Carefully read and follow all notices on the equipment and in this manual They were written for your protec tion All notices are to be kept in good condition Replace any unreadable or damaged labels WARNING A avertissement 38791 060711 INTRODUCTION The Liquid Coffee Ambient Dispenser delivers two types of coffee made from liquid concentrate plus hot water The dispenser can be set up for continuous draw by the cup for self serve applications or portion control to fill carafes and decanters for wait staff Follow the Concentrate Manufacturer s Storage and Shelf Life recommendations This dispenser is designed to operate when ambient temperatures are from 32 F 0 C minimum to 104 F 40 C maximum ELECTRICAL REQUIREMENTS WARNING If the power cord is ever damaged it must be replaced by the manufacturer or its service agent with a special cord available from the manufacturer or its service agent in order to avoid a hazard The LCA 2 LP dispenser is supplied with a 120 volt 15 Amp cord set and require a 2 wire grounded individual branch circuit rated for 120 volts AC 15 amp single phase 60Hz The mating connector must be a NEMA 5 15R PLUMBING REQUIREMENTS The dispenser may be connected
32. xtures directly connected to a potable water supply shall be sized installed and maintained in accordance with federal state and local codes BUNN recommends the use of our Easy Clear Water Quality Systems to assure perfect taste Filter Kit Easy Clear EQHP10L Bunn O Matic part no 39000 0001 5 38791 060914 DIR Num 38791 0000 16 December 2014 INITIAL SET UP NOTE The LCA 2 LP weighs approximately 70 Ibs 32 kg If necessary use more than one person when lifting or moving the dispenser 1 Cut the plastic bands and remove the top box 2 Locate and remove the parts box from top of packaging and set aside 3 Remove foam packing 4 Set dispenser the counter where it is to be used CAUTION DO NOT LIFT ON THE DOOR 5 Open the parts box remove the drip tray brackets and splash guard 6 Install the drip tray assembly a Loosen the front two legs several turns b Slide the drip tray brackets between the large washers and the base plate c Retighten the two front legs securing the bracket d Install the drip tray 7 Install the splash guard panel a Insert the top tabs into the slots on the door panel b Alignthe key hole slots over the two lower screws then slide the splash guard down c Tighten the two lower screws 8 Level the dispenser using the adjustable feet on the legs PLUMBING HOOK UP Early Models 1 Securely attach the short piece of tubing and the water strainer assembly to the inlet fitting
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