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Bunn LCA-2 LCC-2 - page 1
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 .bunnomatic.com BUNN ® 34766.0000 12/02 ©2002 Bunn-O-Matic Corporation LCA-2 LCC-2 ! WARNING HOT LIQUIDS ! A V E R T IS S E M E N T L IQ U ID E S C H A U D S P O W E R R E A D Y P O ...
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Bunn LCA-2 LCC-2 - page 2
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) Compressors on refrigeration equipment: 5 years parts and 1 year lab ...
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Bunn LCA-2 LCC-2 - page 3
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 . AL W A YS ELECTRICALL Y GROUND THE CHASSIS OR AD APT ...
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Bunn LCA-2 LCC-2 - page 4
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. The mating connector must b ...
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Bunn LCA-2 LCC-2 - page 5
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. 2. Remove foam packi ...
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Bunn LCA-2 LCC-2 - page 6
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 2.5 oz./sec (74 ml/sec) for l ...
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Bunn LCA-2 LCC-2 - page 7
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 . Then look up the recommended tube size for the mix ratio of your concentrate, refer to the Tub ...
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Bunn LCA-2 LCC-2 - page 8
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. Portion Control Switch: Momentarily pushed by user to activate Portion Control Mode 5. Function S ...
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Bunn LCA-2 LCC-2 - page 9
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. The dispenser will automatically stop filling when the tank is full. The dispe ...
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Bunn LCA-2 LCC-2 - page 10
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.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 ...
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Bunn LCA-2 LCC-2 - page 11
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. Alarm Level Selected Alarm Mode Disa ...
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Bunn LCA-2 LCC-2 - page 12
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. NOTE 1: Flashing menu ...
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Bunn LCA-2 LCC-2 - page 13
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 (-) 0.0oz (+) RT DISP VOLUME (-) 0.0oz (+) TANK TEMP 180 (-) EXIT (+) READY TEMP 175 (-) EXIT (+) CABINET TEMP 65 (-) EXIT (+) LF PRODUCT DISP 0GAL RESET? LF PRODUCT DIS ...
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Bunn LCA-2 LCC-2 - page 14
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. CAL LEFT SIDE ? EXIT YES The following functions are for diagnostic and troubleshoo ...
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Bunn LCA-2 LCC-2 - page 15
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 (-) 36.0OZ (+) CAL RIGHT SIDE ? EXIT YES XXX CAL -> XXX (-) TankTemp (+) XXX CAL -> XXX (-) ColdTemp (+) XXX CAL -> XXX ...
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Bunn LCA-2 LCC-2 - page 16
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 ? UseSwitchToTest TEST REFILL ? EXIT YES TEST HEATER ? EXIT YES FACTORY DEFAULTS NO YES Use the (+) or (-) buttons to adjust empty BIB threshold Use ...
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Bunn LCA-2 LCC-2 - page 17
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. 4. Pull the Ada ...
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Bunn LCA-2 LCC-2 - page 18
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. b. Pull and Hold the corresponding d ...
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Bunn LCA-2 LCC-2 - page 19
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. See Programming Functions to activate this feature. Daily: RINS ...
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Bunn LCA-2 LCC-2 - page 20
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. Excessive wear will reduce the output of the pumps resulting in a wea ...
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Bunn LCA-2 LCC-2 - page 21
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. 4. Pull out drain tube to empty into a sink or a container with a minimum of five-gallo ...
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Bunn LCA-2 LCC-2 - page 22
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. • Only qualified service personnel should perform inspection, testing, and repair of ele ...
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Bunn LCA-2 LCC-2 - page 23
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. Faulty refill probe 3. Faulty overflow switch 1. Tank Heater failure 2. Triac failure 3. Tank ...
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Bunn LCA-2 LCC-2 - page 24
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. Service Required Service Required Service Required Service Required Service Required Remove blockage source Move machine to cooler location Service Required Se ...
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Bunn LCA-2 LCC-2 - page 25
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. Equipment Required: 5 ...
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Bunn LCA-2 LCC-2 - page 26
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. 15. Keep the graduated container ...
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Bunn LCA-2 LCC-2 - page 27
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 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 J8-1 J8-3 J16-1 J16-5 J16-12 DOOR PORTION CONTROL ORN BL ...
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Bunn LCA-2 LCC-2 - page 28
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 J8-1 J8-3 J16-1 J16-5 J16-12 DOUBLE POLE LIMIT THERMOSTAT ORN BLK BLK BLK BLK WHI WHI TAN TAN BLK GRY GRN RED SOL RED RED RED RED RED SOL SOL SOL LEF ...
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