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LCR-1
LCA-1
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. For Technical Service, contact
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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 po
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CONTENTS Warranty .................................................................................................................................................2 User Notices ...........................................................................................................................................4 Introduction ............................................................................................................................................5 Electrical Requirements ..
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27442-0000 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. 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
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INTRODUCTION The BUNN LCA-1 dispenser is design to hold up to 1/2 gal (2 l) of ambient - shelf stable liquid coffee concen- trate. The BUNN LCR-1 also holds up to 1/2 gal (2 l) 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
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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 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. Instal
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OPERATING CONTROLS AND INTERFACE User Interface: 5 4 6 3 1 2 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 - illuminates when the water is with in 10 F of the desired water temperature. 6. Warning LE
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OPERATING CONTROLS AND INTERFACE (Continued) 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 and chiller operational. c. Program:
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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 o
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INITIAL FILL & HEAT 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 the water until after the tank is filled. The LCR-1 will begin to cool the cabinet after a 3 min. delay. 5. The Green READY LED will illuminate when the tank
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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 until the Rinse procedure has been performed. NOTE: Alarm Only - Does not prevent dispensing. To clear the Rinse Alarm, refer to the Rinse Procedure.
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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 DISPL
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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) 0 1 8 0 Ready Temp = T
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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. 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. Momentarily press the Portion Switch then
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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. 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 conce
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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
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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 r u n” appears of the display, (approx 15 sec). LED DISPLAY CALIBRATION MODE DESCRIPTION Pump Cal. Procedure Set PRIME-NORMAL-RINSE switch to
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CALIBRATING THE DISPENSER (Cont.) LED DISPLAY CALIBRATION MODE DESCRIPTION Reset Factory Defaults Resets all set up values to the Factory Default setting. 6 - - - Reset by holding the Decrease (-) switches for 10 sec. MENU (-) (+) Currently have to hold (+) & (-) Pump “OFF” Delay Delays the Pump turn off after a dispense. _ 2 0 0 Default = 200 Range = 1 - 999 mSec. MENU (-) (+) Displays current Software Version # - Software Version Exits To Home View After 3 Seconds. - XX.X MENU (-) (+)
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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 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 DESCRIPTION/T
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TROUBLESHOOTING GUIDE (Cont.) Error Codes (Continued) The Follow errors codes apply to the LCR-1 only. LED DISPLAY ERROR DESCRIPTION/TROUBLESHOOTING Sensor reading Out Of Range (High or Cool Temp Sensor Failed Low). _ 0 6 E Check Sensor wires for shorts or open connections. MENU (-) (+) Cooling Time Too Long Cabinet Sensor has not reached the set point in 4 hours. _ 0 7 E Check: Air Filter plugged or blocked. Cabinet door left open or faulty seal. Wiring for shorts or open connections.
