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Bunn LCA-1 manual

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Table of contents for the manual

  • Page 1

    LCR-1 LCA-1 INST ALLA TION & OPERA TING GUIDE BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o 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 [...]

  • Page 2

    2 44806.1 050511 BUNN-O-MA TIC 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 pa[...]

  • Page 3

    3 Warranty .................................................................................................................................................2 User Notices ...........................................................................................................................................4 Introduction .........................[...]

  • Page 4

    4 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. 00656.0001 00986.0002 11646.0002 37881.0000 As directed in the International Plumbing Code of the International Code Council and th[...]

  • Page 5

    5 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[...]

  • Page 6

    6 INITIAL SET -UP NOTE: The LCA-1 weighs approximately 40 lbs. (18 kg) and the LCR-1 weighs approximately 55 lbs. (25 kg), when empty . If 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 T ube Kit, Graphic Kit, Drip T ray [...]

  • Page 7

    7 OPERA TING CONTROLS AND INTERF ACE (Continued Next Page) 1. Dispense Switch: Push and Hold to dispense product. 2. Hot Water Switch: Push and Hold to dispense hot water only . 3. Portion Switch: Momentarily pushed to select a Portion dispense. 4. Power LED: Red - illuminates when AC power is applied to dispenser . 5. Ready LED: Green - illuminate[...]

  • Page 8

    8 Selector Switches: (Located behind the splash guard panel) 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. OPERA TING CONTROLS AND INTERF ACE [...]

  • Page 9

    9 INST ALLING PUMP TUBING INST ALLING 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 ro[...]

  • Page 10

    10 INITIAL FILL & HEA T 1. Select Normal and Run on the Selector switches. 2. Confirm the water supply is on. 3. Connect the dispenser to the power source. 4. 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 [...]

  • Page 11

    11 Rinse Alarm Feature Periodic rinsing of the dispense tip is essential for proper maintenance and optimum performance of the dispenser . 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 un[...]

  • Page 12

    12 Displays Software Version # - Exits T o Home View After 3 Seconds. PROGRAMMING THE DISPENSER T wo 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 . T o enter the Display Mode , Set the RUN/NIGHT/ PROGRAM Switch to the RUN position. Displ[...]

  • Page 13

    13 PROGRAMMING THE DISPENSER (Cont.) Program Mode : Used to change or enter new set-up values. T o 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 (-) switc[...]

  • Page 14

    14 OPERA TING 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. 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 Progr[...]

  • Page 15

    15 GENERAL CLEANING AND SANITIZING PROCEDURES Note: The BUNN® LCA-1 & 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. DAIL Y RINSING 1. Open dispenser door and select Rinse and Run on the Fun[...]

  • Page 16

    16 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 wea[...]

  • Page 17

    17 Error Code Memory Display cycles through the last (3) Error Codes. Erase by holding the Decrease (-) switches for 10 sec. Currently have to hold (+) & (-) LED DISPLA Y CALIBRA TION MODE DESCRIPTION CALIBRA TING THE DISPENSER Pump Cal. Procedure Set PRIME-NORMAL-RINSE switch to PRIME position. Place Graduated Cylinder under dispense tip. Pres[...]

  • Page 18

    18 CALIBRA TING THE DISPENSER (Cont.) LED DISPLA Y CALIBRA TION MODE DESCRIPTION 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. Reset Factory Defaults Displays current S[...]

  • Page 19

    19 LED DISPLA Y ERROR DESCRIPTION/TROUBLESHOOTING TROUBLESHOOTING GUIDE Error Codes When an error has occurred, the Warning LED will be flashing. Open the door to view the LED 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 probab[...]

  • Page 20

    20 TROUBLESHOOTING GUIDE (Cont.) Error Codes (Continued) LED DISPLA Y ERROR DESCRIPTION/TROUBLESHOOTING Cooling Time T oo Long Cabinet Sensor has not reached the set point in 4 hours. 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 [...]

  • Page 21

    21 (Continued Next Page) CALIBRA TION OF THE CONCENTRA TE PUMP & DISPENSER FLOW RA TE The factory set default values for the Pump & Dispenser Flow Rates are ver y 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 ?[...]

  • Page 22

    22 CALIBRA TION OF THE CONCENTRA TE PUMP & DISPENSER FLOW RA TE (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 come[...]

  • Page 23

    23 PNK PNK RED/BLK RED/BLK BLU/BLK BLU/BLK ORG ORG TRANSFORMER M RPM SENSOR PUMP BLK RED BLK RED BLK BLK BLK BLK BLK RED BLK BLK WHI/ORG WHI/ORG TA N TA N BLK WHI WHI WHI WHI WHI WHI WHI WHI WHI YEL YEL YEL BLU GRN ORG ORG RED GRN BLK 1 SECONDARY PRIMARY J2-4 J2-1 J1-1 J1-5 J1-6 J7-5 J7-1 LIMIT THERM. WHT WHT WHT WHT INLET VA LV E HOT WA TER SOL SO[...]