Instruction/ maintenance manual of the product LCA-2 LCC-2 Bunn
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INST ALLA TION & OPERA TING MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www .
2 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 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. 00656.0000 00986.0002 11646.0002 ! W ARNING DO NO T O VERLOAD CIRCUIT .
4 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.
5 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.
6 SETTING DISPENSER FLOW RA TE 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.
7 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 .
8 OPERA TING CONTROLS AND INTERF ACE 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.
9 INITIAL FILL & HEA T 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.
10 FlavorGard™ Feature FlavorGard™ is a patented feed back control loop that monitors the mixed product and adjusts the concentrate deliver y rate to maintain a consistent mix profile, i.
11 34766 112502 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, W arning Only and W arning with Brew Lockout, see chart for details.
12 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.
13 MENU SCREEN ACTION DESCRIPTION ENTER PASSWORD (-) 0 (+) The following functions can be Password Protected if warranted. LOCK FLAVOR ? EXIT YES FLAVORS LOCKED EXIT LF DISP VOLUME (-) 0.
14 SET PASSWORD ? (-) 0 (+) SELECT UNITS ENG EXIT METRIC CHILLED UNIT ? NO EXIT YES RINSE ALARM ? NO EXIT YES MENU SCREEN ACTION DESCRIPTION CAL LEFT PUMP ? PULL DISPENSER CAL LF PUMP VOL (-) 20mL (+) CAL LF WTR FLOW PULL DISPENSER If NO - go to CAL RIGHT SIDE menu.
15 MENU SCREEN ACTION DESCRIPTION CAL LF WTR VOL (-) 36.0OZ (+) CAL LEFT SIDE ? EXIT YES CAL RIGHT SIDE ? EXIT YES CAL RIGHT PUMP ? PULL DISPENSER CAL RT PUMP VOL (-) 20mL (+) CAL RT WTR FLOW PULL DISPENSER CAL RT WTR VOL (-) 36.
16 MENU SCREEN ACTION DESCRIPTION BIB EMPTY -> 400 (-) EXIT (+) 0 REFILL -> 155 (-) EXIT (+) WTR START DELAY (-) .15SEC (+) WTR STOP DELAY (-) .15SEC (+) TEST LED’S ? NO EXIT YES TEST SWITCHES.
17 LOADING THE CONCENTRA TE 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.
18 OPERA TING 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.
19 CLEANING & PREVENT A TIVE 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.
20 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.
21 DRAINING THE HOT W A TER T ANK CAUTION: The dispenser must be disconnected from the power source throughout these steps. 1. Disconnect the dispenser from the power source. 2. Shut off and disconnect the incoming water supply. 3. Remove the front splash panel.
22 T roubleshooting A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.
23 OVERFLOW CUP FULL. EMPTY CUP HEATING TIME TOO LONG CHECK HEATING CIRCUIT FILL TIME TOO LONG CHECK WATER SUPPLY TANK TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS COOL TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS 1. Refill valve stuck open 2.
24 Screen Displayed Possible Cause Troubleshooting Procedures Service Required Service Required Check to confirm that wire(s) are not pinched between two surfaces or connected to each other.
25 Field Calibration of the Concentrate Pumps / Dispenser Flow Rates 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.
26 34766 112502 Dispenser Flow Rate Calibration 13. Press Down Arrow Key to display the CAL LF WTR FLO menu screen. 14. Place a 64 Oz (2000 ml) graduated container under Left Dispense Tip and Pull the Left Dispense Handle momentarily. The dispenser will dispense water for 20 seconds and then shut OFF automatically.
27 34641.0000C 12/02 © 2002 BUNN-O-MATIC CORPORATION 120 VOLTS AC 2 WIRE 120/208-240 VOLTS AC 3 WIRE 208-240 VOLTS AC 2 WIRE SINGLE PHASE 50/60HZ J14-1 J14-7 J7-1 J7-5 J7-10 J2-1 J2 -8 J3-1 J3-6 J4-1.
28 34641.0001B 12/02 © 2002 BUNN-O-MATIC CORPORATION J14-1 J14-7 J7-1 J7-5 J7-10 J2-1 J2 -8 J3-1 J3-6 J4-1 J4-5 J5-1 J5-3 J6-1 J6-5 J6-10 J6-15 J6-20 J1-1 J1-4 J15-1 J15-4 C O N T R O L P C B O A R D.
An important point after buying a device Bunn LCA-2 LCC-2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bunn LCA-2 LCC-2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bunn LCA-2 LCC-2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn LCA-2 LCC-2 you will learn all the available features of the product, as well as information on its operation. The information that you get Bunn LCA-2 LCC-2 will certainly help you make a decision on the purchase.
If you already are a holder of Bunn LCA-2 LCC-2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bunn LCA-2 LCC-2.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn LCA-2 LCC-2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn LCA-2 LCC-2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
