RELEASED FOR PRODUCTION LCA-1 LCA-1A INSTALLATION & OPERATING GUIDE 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 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.
CONTENTS BUNN-O-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, MCP/MCA pod brewers thermal 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: a) Electronic circuit and/or control boards - parts and labor for 3 years.
USER NOTICES ELECTRICAL REQUIREMENTS Carefully read and follow all notices on the equipment and in this manual. They were written for your protection. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 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.
INITIAL SET-UP OPERATING CONTROLS AND INTERFACE User Interface: NOTE: The dispenser weighs approximately 40 lbs. (18 kg), when empty. If necessary, use more than one person when lifting or moving the dispenser. 5 4 6 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 & 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.
OPERATING CONTROLS AND INTERFACE (Continued) INSTALLING PUMP TUBING Selector Switches: (Located behind the splash guard panel) a a b b c c 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 operational. c.
INITIAL FILL & HEAT Rinse Alarm Feature 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. 5. The Green READY LED will illuminate when the tank temperature reaches the preset Ready temperature.
PROGRAMMING THE DISPENSER PROGRAMMING THE DISPENSER (Cont.) 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.
OPERATING THE DISPENSER GENERAL CLEANING AND SANITIZING PROCEDURES 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. Place 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.
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.
CALIBRATING THE DISPENSER (Cont.) TROUBLESHOOTING GUIDE Error Codes LED DISPLAY CALIBRATION MODE DESCRIPTION 6 - - MENU (-) (+) _ 20 0 MENU (-) (-) Pump “OFF” Delay (+) - XX.X MENU Reset Factory Defaults Resets all set up values to the Factory Default setting. Reset by holding the Decrease (-) switches for 10 sec. Currently have to hold (+) & (-) Delays the Pump turn off after a dispense. Default = 200 Range = 1 - 999 mSec. When an error has occurred, the Warning LED will be flashing.
CALIBRATION OF THE CONCENTRATE PUMP & DISPENSER FLOW RATE The factory set default values for the Pump & 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 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.
LIMIT THERM. L1 TANK HEATER 120 V 1425 W BLK-16 GND SCHEMATIC WIRING DIAGRAM LCA-1A, MS POWER CORD RECEPTACLE WHT-16 1 BLK L1 GRN GND WHT L2 BLK-16 N GRN/YEL GRN L1 N SCHEMATIC WIRING DIAGRAM LCA-1 COM N.O. BLK WHT BLK WHT EMI FILTER BLK SOL WHT/RED WHT WHT WHT BLK PRODUCT VALVE WHT SOL WHT/VIO J10-4 J4-5 LIMIT THERM.
