Bunn LCA-1 Coffeemaker User Manual
Contents
1. Check Air Filter plugged or blocked Cabinet door left open or faulty seal Wiring for shorts or open connections Evaporator iced up Ambient operating temperature is greater than 95 F 35 44806 1 081211 CALIBRATION OF THE CONCENTRATE PUMP 8 DISPENSER FLOW RATE 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 reca librate the unit in the field Equipment Required 50 ml graduated cylinder with 1 ml graduations 1000 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 Calibrating the Concentrate Pumps 1 Open the door of the dispenser and select PROGRAM on the Selector Switch The display should show PPP 2 Depress and Hold both Up amp Down arrows switch for approximately 15 sec The unit will display 1 run when it has entered the Calibration Mode 3 Select PRIME on the Selector Switch 4 Place a container under the dispense tip and depress the dispense switch until a steady stream of concentrate comes out the tip 5 to 10 seconds 5 Stop priming and allow the tip to stop dripping Discard the concentrate collected 6 Place a 50 ml graduated cylinder under the Dispense Tip 7 Pres2. INSTALLATION amp OPERATING GUIDE BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 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 44806 0001A 08 11 2011 0 Corporation BUNN O MATIC COMMERCIAL PRODUCT WARRANTY 0 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 applicable warranty period This warranty doe
3. 4 Open dispenser door set the Function switch back to Normal Note To clear the Rinse warning you must hold the dispense switch until flow stops automatically 20 sec The Rinse LED will turn off when the Rinse time has been satisfied DAILY PARTS WASHING 1 Remove and wash drip tray and drip tray cover mild detergent solution Rinse thoroughly 2 Wipe splash panel dispense nozzles door and cabinet with a clean damp cloth WEEKLY SANITIZING 1 Open dispenser door and select Prime and Run on the Function switches 2 Remove the 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 excel lent free flowing connector for this purpose Place the connector into a 1 2 gallon 2 liter container of warm soapy tap water 140F 60C 4 Place a container under the dispense tip and activate the 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 the dispense switch until water is clear and no soapy water is being dispensed 6 Prepare 1 gal 3 8 L of sanitizing solution by dissolving 0 4 Oz 11 4 grams of Kay 5 Sanitizer into 1 gal 3 8 L of 120 F 48 9 C water to ensure 100 ppm of available chlorine 7 Repeat steps 3 and 4 wit
4. Display and record the Error shown on the display Refer to the list of Error Codes below to identify the problem The troubleshooting guide is provided to suggest probable causes and remedies for most problems If the problem remains after exhausting the troubleshooting steps contact the Bunn O Matic Technical Service Department LED DISPLAY ERROR Heating Time Too Long E Fill Time Too Long E Tank Temp Sensor Error Dispense Time Too Long DESCRIPTION TROUBLESHOOTING Motor or RPM Sensor failure Check motor and RPM Sensor wires for shorts loose or open connections Tank Heater ON continuous for more than 1 hour Check heater wires for loose or open connections Fill Valve ON continuous for more than 15 minutes Water turned OFF Refill Valve disconnected or faulty Sensor reading Out Of Range High or Low Check Sensor wires for shorts loose Or Open connections Dispense or Hot Water switch has been ON for more than 2 Min Check Dispense switches for proper Operation or damage Door harness for shorts 44806 1 081211 TROUBLESHOOTING GUIDE Cont Error Codes Continued The Follow errors codes apply to the LCR 1 only LED DISPLAY ERROR Cool Temp Sensor Failed 207 Cooling Time Too Long 20 DESCRIPTION TROUBLESHOOTING Sensor reading Out Of Range High or Low Check Sensor wires for shorts or open connections Cabinet Sensor has not reached the set point in 4 hours
5. The automated Rinse Alarm feature has two levels of operation Disabled and Warning Level Selected Alarm Disabled None Warning Warning LED will come on 4 hrs prior to the selected time interval and remain on until the Rinse procedure has been performed NOTE Alarm Only Does not prevent dispensing To clear the Rinse Alarm refer to the Rinse Procedure The dispenser is shipped with the automated Rinse Alarm disabled It is up to the user to determine if the Rinse Alarm is needed and the time interval based on their application and maintenance procedures The time interval between Rinses is adjustable from 8 to 24 hrs 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 Selector switch close the door 2 Place a 2 Liter 1 2 Gal container under the dispense tip Press and hold the Dispenser switch until water flow stops automatically approximately 20 sec NOTE The Warning LED will turn OFF when the Rinse procedure has been satisfied 4 Open the cabinet door and select Normal on the Selector switch close the door Cabinet Target Temperature LCR 1 Only The LCR 1 is designed to HOLD Non shelf stable concentrate at the desired Target Temperature It is not designed to chill concentrate that has not been stored at or below the desired Target Temperature NOTE Always follow the concentrate Manufacturer s
6. in a weak mixed beverage Bunn O Matic 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 REPLACING THE PUMP TUBING Note Rinse tubing with warm water steps 1 4 of the Weekly Sanitizing Instructions prior to removing to avoid spills 1 Remove the BIB and product shelf to access the pump assembly 2 Loosen thumbscrew Fig 1 to remove the cover plate and set it aside 3 Depress tension screw and remove it from notch in the pump body to release the tension on the pump band Fig 1 4 Pull the pump tube from around pump rotor Fig 1 5 Inspect pump bands for signs of wear and replace if necessary 6 Apply lubricant BUNN O MATIC part no M2548 1000 to the middle section of the new pump tubing Fig 2 7 Wrap the new pump tubing around the rotor making sure the elbow is snug against the inlet of the pump Fig3 8 Depress tension screw and insert it in notch in the pump body reapplying spring tension on the pump band Fig 3 9 Connect the pump tubing the port on the SST dispense tube Fig 3 10 Replace the cover plate and tighten thumbscrew 11 Route the BIB Adapter tube through the notch in the product shelf and re install the shelf Fig 4 12 Reconnect the BIB Adapter to the product BIB Fig 5 Note Replacement Tube Kits can be purchased from BUNN O MATIC Order part no 44713 1000 FIG 1 FIG 4 Remove Co
7. recommendations for proper Storage and Shelf Life The LCR 1 Target Temperature is pre set to 40 F 4 C at the factory and can be adjusted from 35 to 75 F 2 24 C see Calibrating the Dispenser to adjust the Target Temperature NOTE When operating temperatures are above 85 F 30 C it may be necessary to lower the Target Temperature 5 to maintain the concentrate at the desired temperature If ice starts to build up on the evaporator inside the cabinet raise the Target Temperature a few degrees The Maximum Recommended Operating Temperature for the LCR 1 is 95 35 11 44806 1 081211 PROGRAMMING THE DISPENSER Two basic modes are available to the operator Display Mode and Program Mode Open the dispenser door to access the digital Programming Switches with LED display To enter the Display Mode Set the RUN NIGHT PROGRAM Switch to the RUN 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 LED DISPLAY DISPLAY MODE Home View 0 Tank Temperature 1 30 Dispense Ratio 2 Portion Volume 3 Dispense Total 4 Rinse Alarm Hrs B Software Version naa DESCRIPTION LCR 1 Alternates between the Tank and Cabinet Temp LCA 1 Displays Tank Temp only Displays Target Tank Temperature F Displays Dispense Ratio XXX 1 Displays Po
8. taco ate ter E 22 Schematic Wiring 23 3 44806 1 081211 USER NOTICES 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 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 00656 0001 00986 0002E 5 98 1994 Bunn O Matic Corporation A WARNING 00986 0002 Moving Parts Risk Of Electrical Shock 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 P AWARNING reduce risk of electric shock do not remove or open cover Do not operate Disconnect power before unit with this servicing unit panel removed 27442 0000 No
9. user serviceable parts inside Authorized service personnel only Disconnect power before servicing CHARGE Type R134A Amount 5 oz 141 7 gm Design Pressures High 269 psi 18 5 bar 1 8 MPa 37881 0000 Low 90 psi 6 2 bar 0 62 MPa 33461 0005 WARNING AVERTISSEMENT 11646 0002 00824 0002 40054 0003 4 44806 1 081211 INTRODUCTION The BUNN LCA 1 dispenser is design to hold up to 1 2 gal 21 of ambient shelf stable liquid coffee concen trate The BUNN LCR 1 also holds up to 1 2 gal 2 of refrigerated liquid coffee concentrate Both dispensers are designed to operate when ambient temperatures are from 32 F 0 C minimum to 95 F 35 C maximum Always follow the Concentrate Manufacturer s Storage and Shelf Life recommendations ELECTRICAL REQUIREMENTS Refer to the Data Plate on the dispenser and local national electrical codes to determine circuit 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 1 amp LCR 1 are 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 The LCA 1C amp LCR 1C are supplied with a 120 20 cord set and require
10. 3 FIG 4 FIG 5 FIG 1 Lubricate between arrows E Remove Cover Lubricate Install Tubing Route Tubing Completed Release Tension New Tube Reset Tension Replace Shelf Installation Remove Tubing Replace Cover Connect BIB PRIMING THE CONCENTRATE LINE Open the dispenser door Select Prime and Run on the Selector switches Close the dispenser door Place a container under the dispense tip Activate the dispenser until concentrate flows from the dispense nozzle 5 to 10 seconds Open the dispenser door select Normal on the Selector switch Note Concentrate may continue to drip out of dispense tip The user may wish to Rinse the dispenser to clean out the remaining concentrate ON 9 44806 1 081211 gt INITIAL FILL amp HEAT Select Normal and Run on the Selector switches 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 LCR 1 will begin to cool the cabinet after a 3 min delay The Green READY LED will illuminate when the tank temperature reaches the preset Ready temperature 10 44806 1 081211 Rinse Alarm Feature Periodic rinsing of the dispense tip is essential for proper maintenance and optimum performance of the dispenser
11. Place Graduated Cylinder under dispense tip Press and hold Dispense Switch until pump stops 20sec Refer to Calibration Procedure Enter mL collected from the 20 sec test above Default 22 Range 18 26mL Set PRIME NORMAL RINSE switch to RINSE position Place Graduated Cylinder under dispense tip Press and hold Dispense Switch until pump stops 20sec Refer to Calibration Procedure Enter mL collected from the 20 sec test above Default 760 Range 780 820 mLiters LCR 1 Only Used to set the Target Cabinet Temperature Default 40 F 4 C Range 35 F 75 F 2 24 C Used to select the desired units Default English 5 1 for Metric Display cycles through the last 3 Error Codes Erase by holding the Decrease switches for 10 sec Currently have to hold amp 44806 1 081211 CALIBRATING THE DISPENSER Cont LED DISPLAY CALIBRATION MODE 6 Reset Factory Defaults XX X Software Version DESCRIPTION Resets all set up values to the Factory Default setting Reset by holding the Decrease switches for 10 sec Currently have to hold amp Delays the Pump turn off after a dispense Default 200 Range 1 999 mSec Displays current Software Version Exits To Home View After 3 Seconds 44806 1 081211 TROUBLESHOOTING GUIDE Error Codes When an error has occurred the Warning LED will be flashing Open the door to view the LED
12. a 2 wire grounded individual branch circuit rated for 120 volts AC 20 amp single phase 60Hz The mating connector must be a NEMA 5 20R PLUMBING REQUIREMENTS The dispenser may be connected to a cold or hot water system 140 F Max with operating pressure between 20 and 90 psi 138 and 620 kPa 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 620 kPa to reduce it to 50 psi 345 kPa The water inlet fitting is 1 4 flare The dispensers set up to deliver to 37 0 ml sec 1 25 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 At least 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 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 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 installed outside the U S A you must comply with the applicable Plumbing Sanitation Code for yo
13. 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 AutoPOD AXIOM BrewLOGIC BrewMETER Brew Better Not Bitter BrewWISE BrewWIZARD BUNN Espress BUNN Family Gourmet BUNN Gourmet BUNN Pour O Matic BUNN BUNN with the stylized red line BUNNlink Bunn OMatic 0 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 PowerLogic Quality Beverage Equipment Worldwide Respect Earth Respect Earth with the styl ized leaf and coffee cherry design Safety Fresh savemycoffee com Scale Pro Silver Series Single Smart Funnel Smart Ho
14. ce a 1000 ml graduated container under dispense tip 6 Press amp Hold the dispense switch The dispenser will display a 20 second count down timer and then stop dispensing automatically You can abort the calibration and stop the dispense by releasing the 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 700 to 820 ml 9 Ifthe amount of water collected is not within the acceptable range empty the graduated container 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 Down Arrow switch The current Water Calibra tion volume 2 will be displayed 12 Use the or keys to adjust number displayed to the amount measured in STEP 8 in Liters not ml DRAINING THE HOT WATER TANK CAUTION The dispenser must be disconnected from the power source throughout these steps Disconnect the dispenser from the power source Shut off and disconnect the incoming water supply Remove the rear access panel Close the tube clamp on the hose from the inlet valve to the tank Remove the hose from the inlet fitting and direct it into a 150 Oz 4 5L or larger container Open the tube c
15. e cup on the tray beneath the dispensing tip b Push and hold the Dispense Switch until the cup is nearly full c Remove the cup 1B Portion Dispense Mode Refer to Programming Functions to set the desired volume a Place the appropriate size container beneath the dispensing tip b Momentarily press the Portion Switch then momentarily press the Dispense Switch c Remove the cup or container NOTE If the user waits longer than 5 seconds to push the Dispense switch the unit will default back to the Push and Hold mode A Portion dispense can be aborted at any time by momentarily pushing the Dispense switch again d Wait for the container to fill and the dispenser to quit dispensing 3 Hot Water Dispense a Place a container under the dispense tip b Push and hold the Hot Water switch until water reaches the desired level then release Sy PUSH HOT WATER 4 14 44806 1 081211 GENERAL CLEANING AND SANITIZING PROCEDURES Note The BUNN LCA 1 amp LCR 1 dispensers incorporates a user selectable rinse reminder feature which displays warning LED on the front panel when it is time to rinse See Programming Functions to activate this feature DAILY RINSING 1 Open dispenser door and select Rinse and Run on the Function switches 2 Close dispenser door and place a container under dispense nozzle area 3 Press the dispense switch until the water runs clear or has no concentrate coloring in it 10 to 20 sec
16. h the sanitizing solution Once the sanitizing solution is visible continue to dispense for 1 minute 8 Allow the sanitizer solution to sit for 5 minutes in the tubing 9 After soaking for 5 minutes activate the Dispense Switch a second time for 2 minutes 10 Repeat step 3 and 4 with warm tap water to flush the sanitizing solution out of the pump tubing 11 Reattach bag connector to product box and select Normal and Run on the Function switches 12 Actuate the dispense switch until concentrate water mixture appears Continue to dispense at least 12 oz 350 ml of concentrate water mixture and discard Wipe internal and external surfaces with a clean damp cloth 15 44806 1 081211 PREVENTIVE MAINTENANCE Bunn O Matic Corporation recommends that preventive maintenance be performed at 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
17. lamp Continue draining tank until ALL of the water is out Be careful when draining the water as it may be very hot 7 Reconnect the tube to the inlet valve 8 Leave the tube clamp open and replace the rear access panel Note The dispenser must be refilled using the nitial Fill amp Heat steps before reconnecting the power source ee NS 22 44806 1 081211 SCHEMATIC WIRING DIAGRAM LCR 1 LCA 1 N GRN TANK HEATER LIMIT THERM LK 16 BLK 16 120 V 1425 W WHT 16 Hee n WHT RED BRN WHT WHT T wr BLK MAIN a CONTROL PNK BOARD EVAPORATOR FAN EVAPORATOR DOOR CONTROL BOARD r BLK BLU BLK a TRANSFORMER PRIMARY SECONDARY 120 VOLTS AC 2 WIRE GRD SINGLE PHASE 60 HZ 23 44806 1 081211
18. p tray water and electrical connections In addition allow enough clearance on the left hand side to allow the door to open freely NOTE In high ambient location where the air temperature around the dispenser could exceed 95 F 35 C ad ditional clearance is required on both sides and behind the dispenser to allow for proper air flow and cooling For these higher temperature locations the total space required for the LCA 1 is 16 6 wide x 17 8 tall x 23 0 deep and 17 1 wide x 17 8 tall x 26 0 deep for the LCR 1 PLUMBING HOOK UP 1 Flush the water line to remove any debris or foreign material 2 Remove the shipping cap from the inlet fitting on the back of the dispenser and securely attach the water line to the fitting supplied 3 Turn on the water supply and check for leaks ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components Refer to Data Plate on the dispenser and local national electrical codes to determine circuit requirements 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 di
19. pper SmartWAVE Soft Heat SplashGard The Mark of Quality in Beverage Equipment Worldwide ThermoFresh Titan A Partner You Can Count On Air Brew Air Infusion Beverage Bar Creator Beverage Profit Calculator Brew better not bitter BUNNSource Coffee At Best Cyclonic Heating System Digital Brewer Control Nothing Brews Like a BUNN Pouring Profits Signature Series Tea At Its Best Phase Brew The Horizontal Red Line trifecta Ultra Velocity Brew are either trademarks or registered trademarks of Bunn O Matic Corporation 2 44806 1 050511 CONTENTS Wart 2 PSU NGG SS E 4 5 Electrical Require sestro IEEE EAL AE EEE RESE E EOE 5 Plumbing Requirements sssini e a A E E EEE 5 Mitake are a A R 6 Locating the NS ISSN sisariensa eee a eese EE iSe EED SERES a EEEE 6 UD msr a E 6 FP PUNT CHOC UD reee E 6 Operating Controls Interface 7 installing Pump WN ins uo 9 PONG denntdecdameadad
20. rtion Dispense Volume 02 Set to 0 0 to Disable Displays Total Coffee Concentrate Dispensed XX X Gal Displays The Number Of Hours Between Required Rinses Default OFF Alarm Disabled Displays Software Version Exits To Home View After 3 Seconds 44806 1 081211 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 LED DISPLAY PROGRAM MODE DESCRIPTION Tank Temperature Default 180 F 82 C Range 120 200 F 49 93 C Ready Temp Tank Temp minus 10 F 5 5 C Dispense Ratio Set Coffee Mix Ratio Default 30 1 Range 20 100 Min Portion Volume Set Portion Dispense Volume 0 0 Default 0 0 Disabled Range 16 0 40 0 0 5 1 2 L Dispense Total Hold Decrease Switch to Reset Total 0 0 to Zero 0 0 Gal 0 0 L Rinse Alarm Timer Default OFF Rinse Alarm Disabled 0 0 Range 8 24 hrs Software Version Displays Software Version Exits Home View After 3 Seconds 13 44806 1 081211 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 a Plac
21. s amp Hold the dispense switch The dispenser will display a 20 second count down timer and then shut the pump OFF automatically You can abort the calibration and stop the pump by releasing the switch 8 Keep the graduated cylinder under dispense tip until all the concentrate has dripped out 9 Measure the volume of concentrate collected in the graduated cylinder The acceptable range for the volume of concentrate collected is 16 26 ml 10 If the amount collected is not within the acceptable range repeat STEPS 6 9 11 If the amount collected is still not within range replace the pump tubing with a new Tube Kit refer to the Tube Replacement Instructions and restart this procedure 12 When satisfied with the volume of concentrate collected press the Down Arrow switch The current Calibra tion volume 1 XX will be displayed 13 Use the or keys to adjust the number displayed to the amount measured in STEP 9 Continued Next Page 21 44806 1 081211 CALIBRATION OF THE CONCENTRATE PUMP amp DISPENSER FLOW RATE Continued Calibrating the Dispenser Flow Rates 1 Select RINSE on the Selector Switch 2 Press the Down Arrow switch to display the Flow Rate calibration menu 2 run 3 Place a container under dispense tip and depress the dispense switch until a steady stream of water comes out the tip 5 to 10 seconds 4 Stop dispensing and allow the tip to stop dripping Discard the water collected 5 Pla
22. s 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 lf 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 and labor warranty periods specified
23. spenser is ready for Initial Fill amp Heat 6 44806 1 081211 OPERATING CONTROLS AND INTERFACE User Interface s Dispense Switch Push and Hold to dispense product Hot Water Switch Push and Hold to dispense hot water only Portion Switch Momentarily pushed to select a Portion dispense Power LED Red illuminates when AC power is applied to dispenser Ready LED Green illuminates when the water is with in 10 F of the desired water temperature Warning LED Yellow illuminates when an error condition is detected OF ice CN Continued Next Page 7 44806 1 081211 OPERATING CONTROLS AND INTERFACE Continued Selector Switches Located behind the splash guard panel a a b b Left Sw a Prime Dispenses concentrates only Primes the concentrate pump b Normal Normal dispense mode Dispenses mixed product concentrate and water c Rinse Dispenses hot water only Flushes the dispense tip Right Sw a Run Normal operating position b Night Anti pilfering mode that disables dispensing but keeps heater and chiller operational c Program Enables programming and set up of the dispenser WARNING The NIGHT Mode does not remove AC power from the dispenser Disconnect power source before servicing the dispenser Programming Switches Used in conjunction with the LED display to program and calibrate the dispenser to customer specific requirements EXIT MENU SCROLL Select on
24. stetassaceasaatdausdencauaudeaieddeacesdeusidartaced sedndiecrnses 9 weenie 10 ede 11 12 Operating the USCIS BT esras Ee EE E aE ARAE EE EEE ONET 14 Cleaning amp Preventive Maintenance lRxdimadedwnctantedeiinneceinss 15 Replacing the Pump TUDIN sanaa aa EREE EEEE EEEE 16 Replacing the Air Filter 22hn cinta sere 2 teen tcenpedasa sta tenanein deh etme eta epee cna 16 Replacing the Wy abet 16 Calibrating the T7 Troubleshooting Guide 19 Calibration of the Concentrate 21 Dispenser Fow Rate 21 Draining the MOt WALET casas
25. the Function Switch to change a Down Arrow used to scroll to the next menu screen b used to increase the displayed value c EXIT used to exit the programming menu d used to decrease the displayed value e UP Arrow used to scroll to back to previous menu screen 8 44806 1 081211 INSTALLING PUMP TUBING INSTALLING THE PUMP TUBING 1 Remove the BIB and product shelf to access the pump assembly 2 Loosen thumbscrew Fig 1 to remove the cover plate and set it aside 3 Depress tension screw and remove it from notch in the pump body to release the tension on the pump band Fig 1 4 Pull the pump tube from around pump rotor Fig 1 5 Inspect pump bands for signs of wear and replace if necessary 6 Apply lubricant BUNN O MATIC part no M2548 1000 to the middle section of the new pump tubing Fig 2 7 Wrap the new pump tubing around the rotor making sure the elbow is snug against the inlet of the pump Fig3 8 Depress tension screw and insert it in notch in the pump body reapplying spring tension on the pump band Fig 3 9 Connect the pump tubing the port on the SST dispense tube Fig 3 10 Replace the cover plate and tighten thumbscrew 11 Route the BIB Adapter tube through the notch in the product shelf and re install the shelf Fig 4 12 Reconnect the BIB Adapter to the product BIB Fig 5 Note Replacement Tube Kits can be purchased from BUNN O MATIC Order part no 44713 1000 FIG
26. ur area NOTE Water pipe connections and fixtures 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 Kits Easy Clear EQHP 10L w Scale Inhibitor Bunn O Matic part no 39000 0001 or Easy Clear EQHP 10 Bunn O Matic part no 39000 0004 5 44806 1 081211 INITIAL SET UP NOTE The LCA 1 weighs approximately 40 108 18 kg and the LCR 1 weighs approximately 55 Ibs 25 kg when empty necessary use more than one person when lifting or moving the dispenser 1 Cut the plastic bands and remove the top box and other packing 2 Locate and remove the Adapter Tube Kit Graphic Kit Drip Tray amp Literature Pkg from the packaging and set aside 3 Set dispenser on the counter where it is to be used CAUTION DO NOT LIFT ON THE DOOR 4 Install the drip tray assembly between the front legs The magnets will hold the tray in place 5 Install the Graphic decal in the door LOCATING THE DISPENSER Additional clearance is required on both sides and behind the dispenser to allow for proper air flow and cooling The LCA 1 requires a minimum space of 16 6 wide x 17 8 tall x 23 0 deep to allow for the drip tray water and electrical connections The LCR 1 requires a minimum space of 17 1 wide x 17 8 tall x 26 0 deep to allow for the dri
27. ver Lubricate Install Tubing Route Tubing Completed Release Tension New Tube Reset Tension Replace Shelf Installation Remove Tubing Replace Cover Connect BIB CLEANING THE AIR FILTER LCR 1 Only A dirty or clogged air filter will reduce the performance of the refrigeration system and could cause the compressor to overheat Weekly cleaning of the air filter is recommended Remove the metal Air Filter from the Left side panel and wash in warm soapy water until all grease and dirt is removed Rinse in clean water and dry thoroughly before putting back in the LCR 1 REPLACING THE WATER FILTER Refer to the instructions supplied with the water filter kit for the recommended intervals and procedure for replacing the filter cartridge 16 44806 1 081211 CALIBRATING THE DISPENSER NOTE The LCA LCR 1 is calibrated at the factory and does not normally need to be re calibrated Open the dispenser door to access the digital Programming Switches with LED display To enter the Calibration Mode Set the RUN NIGHT PROGRAM Switch to the PROGRAM position and then hold both Up and Down Arrow switches until 1 n appears of the display approx 15 sec LED DISPLAY CALIBRATION MODE 1 1 22 Pump Cal 2 run Water Flow Rate 2 Water Flow Rate 760 3 Cabinet Temperature 4 Eng English or Metric Mode 5 Error Code Memory DESCRIPTION Set PRIME NORMAL RINSE switch to PRIME position
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