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LCA-2 LP
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 Bun
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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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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. 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
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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
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INITIAL SET-UP NOTE: The LCA-2 LP weighs approximately 70 lbs. (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 on 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. Lo
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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. If plumbing is to be hooked up later, be sure the dispenser is disconnected from the power source. If plumbing has been
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7 8 5 6 9 10 2 4 1 3 14 11 12 13 8
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INSTALLING PUMP TUBING INSTALLING THE PUMP TUBING Refer to the Tube Replacement Instruction inside the Cabinet door. 1. Loosen the thumbscrew 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. 3. Apply lubricant (BUNN-O-MATIC part no. M2531.0001) to the middle section of the new pump tubing. 4. Carefully wrap the new tubing around the rot
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INITIAL FILL & HEAT 1. Select Normal on the Function Selector Switch and Run on the Mode Selector Switch. 2. Confirm the water supply is on. 3. 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. 4. The Green READY LED will illuminate when the tank temperature reaches the preset r
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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 betwee
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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 min
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PROGRAMMING THE DISPENSER (Cont.) Display Mode (Continued) LCD DISPLAY DISPLAY MODE DESCRIPTION Regular Dispense Total Displays Total Regular Coffee Dispensed (XX.X Gal) 0 6 0 0.0 MENU (-) (+) Decaf Dispense Total Displays Total Decaf Coffee Dispensed (XX.X Gal) 0 7 0.0 0 MENU (-) (+) Empty Product Threshold Displays Empty Product Threshold (Default = 600) 0 8 6 0 0 MENU (-) (+) Rinse Alarm (Hrs) Displays The Hours Between Required Rinses. 0 9 OF F (Default = 0 > OFF, Alarm Disabled) MENU
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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. LCD DISPLAY PROGRAM MODE DESCRIPTION Tank Temperature Default = 180°F Range = 120° - 200°F 8 P 1 1 0 Ready Temp = Tank Temp minus 10
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PROGRAMMING THE DISPENSER (Cont.) Program Mode (Continued) LCD DISPLAY PROGRAM MODE DESCRIPTION Right (Decaf) Dispense Total Reset Total to Zero (00.0 Gal) P 7 0.0 MENU (-) (+) Empty Product Threshold Set Conductance Threshold Default = 600 P 8 6 0 0 Range = 100 Min / 900 Max To check Conductance of Hot Water, MENU (-) (+) view the display while rinsing. Set value to 100 above reading. Rinse Alarm Timer Default = OFF > Rinse Alarm Disabled Range = 1 - 24 hrs P 9 OF F Reminder Only. No Lock
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PRIMING THE CONCENTRATE LINES 1. Open the dispenser door. 2. Select Prime on the Function Selector Switch and Run on the Mode Selector Switch. 3. Close the dispenser door. 4. Place a container under the dispense tip. 5. Activate the appropriate dispenser until concentrate flows from the dispense nozzle. Priming may take 5 to 10 seconds. 6. 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 Rins
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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). 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 desired amount) Refer to Programming Functions to set this amount. a. Place
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CLEANING & 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 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
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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-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 DESCRIPTION Left (Regular) Pump Cal. Set PRIME-NORMAL-RINSE switch to PRIME position. Press and hold C1 r u n Regular Dispense Switch until pump stops (20 sec.) Refer to Field Calibration MENU (-) (+
