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®
LCA-2
BUNN
LCC-2
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
www.bunnomatic.com
34766.0000 12/02 ©2002 Bunn-O-Matic Corporation
POWER
READY
PORTION
RINSE
REFILL
STOP!
HOT WATER
! AVERTISSEMENT LIQUIDES CHAUDS
! WARNING HOT LIQUIDS
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CONTENTS Warranty ..................................................................................................................................... 2 Introduction ................................................................................................................................ 3 User Notices ............................................................................................................................... 3 Electrical Requirements ...................................
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INTRODUCTION The Liquid Coffee Ambient Dispenser (LCA-2) and the Liquid Coffee Chilled Dispenser (LCC-2) delivers two types of coffee 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. Product Flavor Profile is extended with chilled product storage cabinet featured in the LCC-2. USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were wr
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ELECTRICAL REQUIREMENTS CAUTION: The dispenser must remain disconnected from the power source until specified in Electrical Hook-Up. The LCA-2 and LCC-2 dispensers 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-2C and LCC-2C dispensers are supplied with a 120-volt / 20 Amp cord set and require a 2-wire, grounded, individual branch circ
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INITIAL SET-UP NOTE: The LCC-2 (Chilled Unit) weighs approximately 80 lbs. (36.3 kg) and the LCA-2 (Ambient Unit) weighs approximately 70 lbs. (31.8 kg). If necessary, use more than one person when lifting or moving the dispenser. 1. Locate and remove the information packets and tube kits from top of packaging and set aside. 2. Remove foam packing and cut around the bottom of box. 3. Remove the box and the rest of the foam packing. 4. Open the dispenser door and remove the drip tray and the low
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SETTING DISPENSER FLOW RATE The dispenser comes from the factory with flow restrictors in the mix chambers. With the restrictors in place the dispense rate is about 1.8 oz./sec (53.2 ml/sec) and is used primarily for cup at a time dispensing. The flow restrictors can be removed to increase the dispense rate to about 2.5 oz./sec (74 ml/sec) for larger volume dispensing (airpots, carafes, etc.). Removing the restrictors: 1. Disconnect the dispenser from the AC power source. 2. Open the Product Ca
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SELECTING THE CORRECT PUMP TUBING There are two pump tube sizes available for use with this dispenser. To determine the correct tubing for you application, first determine the dispenser flow rate you intend to use, refer to Setting Dispenser Flow Rate. Then look up the recommended tube size for the mix ratio of your concentrate, refer to the Tube Selection Chart. TUBE SELECTION CHART Dispense Concentrate Ratios Rate 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 1.8 Oz/sec. 3/16" I.D. TUBIN
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OPERATING CONTROLS AND INTERFACE 1. Dispense Handles: Pull and Hold to dispense product. 2. Stop Switch: Momentary switch stops all dispense functions. 3. Hot Water Switch: Push and Hold switch to dispense hot water from the center dispense tip. 4. Portion Control Switch: Momentarily pushed by user to activate Portion Control Mode 5. Function Selector Switch: Allows the user to set the dispenser into different dispensing modes. a. Rinse: Dispenses hot water only- Flushes the mix chamber and disp
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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. Dispenser models with product chillers will begin to cool the cabinet at this time. 4.
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FlavorGard™ Feature FlavorGard™ is a patented feed back control loop that monitors the mixed product and adjusts the concentrate delivery rate to maintain a consistent mix profile, i.e. Flavor Profile. The system consists of a conductance probe mounted in the final stages of the mixing chamber, a metering pump with RPM sensor and a digital controller. Once you have completed the installation of the dispenser, entered the desired mix ratio for your concentrate, dispensed several cups of the mixed
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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 three levels of operation, Disabled, Warning Only and Warning with Brew Lockout, see chart for details. Alarm Level Selected Alarm Mode Disabled None Warning Only 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 co
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PROGRAMMING THE DISPENSER Remove the lower splash guard assembly to access the digital programming module with LCD display. Press the Down Arrow key to inter the programming menu. Use the Up and Down Arrow keys to scroll through the menu screens. Select Exit to leave the programming function and return to normal operations. NOTE 1: Flashing menu items indicate which selection is active. NOTE 2: Values shown below are the factory default values for English units. NOTE 3: Values in [X - X] are the
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MENU SCREEN ACTION DESCRIPTION LOCK FLAVOR ? Select (YES) or (EXIT) Select YES, to Lock In sensor calibration. NOTE: EXIT YES Display will return to “Find LF Target” if sensor calibration is out of range. FLAVORS LOCKED NONE Confirms that sensor calibration was in range and EXIT accepted. Scroll down to continue. LF DISP VOLUME Use the (+) or (-) buttons to Set the volume to be dispensed during a Left (-) 0.0oz (+) adjust the volume Portion controlled dispense to: [0 -
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MENU SCREEN ACTION DESCRIPTION SET PASSWORD ? Use the (+) or (-) buttons to Enter your own Code to prevent access to the (-) 0 (+) change the password. remaining functions. [0 to 9999] SELECT UNITS Select the preferred units Used to select the preferred units of measurement. ENG EXIT METRIC (Oz., Gal, deg F) or (mL, L, deg C) CHILLED UNIT ? Select (YES) or (NO) LCA Models without Chiller select (NO) NO EXIT YES LCC Models with Chiller select (YES) RINSE ALARM ? Select
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MENU SCREEN ACTION DESCRIPTION CAL LF WTR VOL Use the (+) or (-) buttons to Enter the volume of the water measured from the (-) 36.0OZ (+) enter volume collected Left dispenser in Oz. (mL). CAL LEFT SIDE ? NONE Scroll down to bypass this screen. EXIT YES CAL RIGHT SIDE ? Select (YES) to enable Selecting Yes will enable the Right Dispenser EXIT YES Calibration routine. Calibration routine, (see Pump Calibration). CAL RIGHT PUMP ? Pull the Right dispenser The Right Pump
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MENU SCREEN ACTION DESCRIPTION BIB EMPTY -> 400 Use the (+) or (-) buttons to Used to set the Conductance Threshold for the (-) EXIT (+) adjust empty BIB threshold Empty BIB warning. 0 REFILL -> 155 Use the (+) or (-) buttons to Used to set the Conductance Threshold for the (-) EXIT (+) adjust Refill threshold Tank Refill Probe. WTR START DELAY Use the (+) or (-) buttons to Dispense Valve ON Delay. Eliminates weak mix at (-) .15SEC (+) adjust delay time the beginning of a dispens
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LOADING THE CONCENTRATE 1. Thoroughly mix concentrate by vigorously shaking the product Bag-In-Box (BIB). 2. Pull the BIB connector through the hole provided in the box and place it on the drip tray with the connector facing up. (See Fig. 1) 3. Open the dispenser door and locate the appropriate left or right BIB Adapter fitting. 4. Pull the Adapter fitting down and connect it to the BIB. (See Fig. 2) 5. Place the BIB upright in the machine, rotating it into position with the connector facing for
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OPERATING THE DISPENSER Set the Function Selector Switch to Normal and the Mode Selector Switch to Run. 1. Pull and Hold Dispense Mode (Cup at a time) a. Place cup on the cup tray beneath the desired dispensing tip. For a large container, flip the cup tray up and place the container on top of the drip tray. b. Pull and Hold the corresponding dispense handle until the cup or other container is full. c. Remove cup or container. 2. Portion Dispense Mode (Preset volume dispensing) Refer to Programm
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CLEANING & PREVENTATIVE MAINTENANCE General Cleaning and Sanitizing Procedures ® Note: The BUNN Liquid Coffee Dispenser incorporates a “user selectable” rinse reminder feature, which lights the Rinse LED on the front panel and disables dispensing when it is time to rinse. See Programming Functions to activate this feature. Daily: RINSING 1. Open the dispenser door. 2. Select Rinse on the Function Selector Switch and Run on the Mode Selector Switch. 3. Close the dispenser door. 4. Place a 1/2 ga
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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 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
