Bunn LCA-2 - Manuals - manualsarea.com

Page 2 - labor for 3 years or 30,000 pounds of coffee, whichever comes first.; OR FITNESS FOR A PARTICULAR PURPOSE.; The agents, dealers or employees of BUNN are not authorized to make; CONTENTS

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 refrige...

Page 3 - chilled product storage cabinet featured in the LCC-2.; This equipment must be installed to comply with the; Optional Field Wiring

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 37881.0000 INTRODUCTION The Liquid Coffee Ambien...

Page 4 - ELECTRICAL REQUIREMENTS; FIELD WIRING TERMINAL BLOCK DIAGRAM; FIELD WIRING TERMINAL BLOCK DIAGRAM

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 a...

Page 5 - PLUMBING REQUIREMENTS

5 PLUMBING REQUIREMENTS The dispenser may be connected to a cold or hot water system (140°F Max.) with operating pressure between 20 and 90 psi (138 and 620 kPa) from a 1/2” or larger supply line. A shut-off valve should be installed in the line before the dispenser. Install a regulator in the line ...

Page 6 - SETTING DISPENSER FLOW RATE; Removing the restrictors:; Programming; Reprogramming the Dispenser Flow Rate:; Field

6 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 dis...

Page 7 - SELECTING THE CORRECT PUMP TUBING; Setting Dispenser Flow Rate; INSTALLING THE PUMP TUBING; Tubing Installation Instructions; TUBE SELECTION CHART

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 t...

Page 8 - OPERATING CONTROLS AND INTERFACE

8 OPERATING CONTROLS AND INTERFACE 1a. Dispense Handles: Pull and Hold to dispense product. 1b. Dispense Switches: Push and Release to dispense product for Portion Control Models. 2. Stop Switch: Momentary switch stops all dispense functions. 3a. Hot Water Switch: Push and Hold switch to dispense ho...

Page 9 - Normal; on the Function Selector Switch and; Run; on the Mode Selector Switch.

9 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 automatica...

Page 10 - FlavorGardTM Feature; simply enable FlavorGardTM, (refer to FlavorGardTM in; Rinse Alarm Feature; Alarm Level Selected; Programming the Dispenser.

10 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...

Page 11 - BIB Empty Lockout Feature; (refer to Field Calibrating the Empty BIB Warning); Brew Temperature Lockout Feature

11 Rinse Procedure: 1. Open the cabinet door and select Rinse on the Function Selector switch – close the door. 2. Place a 2 Liter (1/2 Gal) container under the Left dispense tip. 3. Activate the Left dispenser until water flow stops automatically, approximately 20 sec. 4. Repeat Steps 2 & 3 for...

Page 12 - PROGRAMMING THE DISPENSER; Tube Selection Chart

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 ...

Page 14 - Rinse Alarm

14 TANK TEMP 180 (-) EXIT (+) READY TEMP 175 (-) EXIT (+) CABINET TEMP 65 (-) EXIT (+) LF PRODUCT DISP .0GAL RESET? LF PRODUCT DISP .0GAL RT PRODUCT DISP .0GAL RESET? RT PRODUCT DISP .0GAL SET PASSWORD ? (-) 0 (+) SELECT UNITS ENG EXIT METRIC CHILLED UNIT ? NO EXIT YES RINSE ALARM ? NO EXIT YES If N...

Page 18 - LOADING THE CONCENTRATE; Tube Installation Decal; PRIMING THE CONCENTRATE LINES; Loading the Concentrate; Prime; Rinsing

18 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 l...

Page 19 - Filling Cambros or other large containers:; OPERATING THE PULL & HOLD DISPENSER; Programming Functions

19 Filling Cambros or other large containers: The dispenser is designed primarily for cups or other small containers that will fit under the dispense tips. However, it may be used to fill larger containers (up to 2 Gal) by use of an extension hose on the dispense tip. Removing the Flow Restrictors w...

Page 20 - OPERATING THE PRESET PORTION CONTROL DISPENSER; Set the Function Selector Switch to; and the Mode Selector Switch to; Programming Functions

20 OPERATING THE PRESET PORTION CONTROL DISPENSER (Models LCA-2 PC, LCA-2C PC, LCA-2A PC) Set the Function Selector Switch to Normal and the Mode Selector Switch to Run . Dispensing Preset Portions of Coffee or Hot Water 1. Primary Volume Portion Dispense Mode. (Volume 1) Refer to Programming Functi...

Page 21 - CLEANING & PREVENTATIVE MAINTENANCE

21 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 Func...

Page 22 - REPLACING THE PUMP TUBING; Tube Replacement Instruction

22 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 r...

Page 23 - DRAINING THE HOT WATER TANK; Disconnect the dispenser from the power source.

23 DRAINING THE HOT WATER TANK 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 s...

Page 24 - Front Panel LED Display Messages; Portion LED “ON”; Rinse LED “FLASHING”; Rinse Procedure; Rinse LED “ON”; Ready LED “OFF”; Troubleshooting

24 Activate the Dispenser within 5 sec. to dispense the pre-selected volume. 34766 042304 Front Panel LED Display Messages Alternate Portion Dispenser Volume #2 has been selected Portion LED “ON” Portion Dispense Enabled Rinse Dispenser, see Rinse Procedure Dispenser Locked Out Rinse Cycle Required ...

Page 26 - Dispenser Diagnostics-LCD Display

26 Screen Displayed Possible Cause Troubleshooting Procedures Dispenser Diagnostics-LCD Display Troubleshooting (Continued) 34766 011604 LF TARGET RPM TOO HIGH !! TUBE TOO SMALL CHECK DISP RATIO RT TARGET RPM TOO HIGH !! TUBE TOO SMALL CHECK DISP RATIO LF TARGET RPM TOO LOW !! TUBE TOO LARGE CHECK D...

Page 29 - Field Calibration of the Concentrate Pumps / Dispenser Flow Rates; Calibrating the Left Side Dispenser; Priming the Concentrate Lines

29 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 recali...

Page 30 - Calibrating the Right Side Dispenser

30 34766 120105 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 OF...

Page 31 - Field Calibrating the Empty BIB Warning; Operating Controls and Interface; sensor reading; Calibrating The Empty BIB Threshold; to stabilize and stop dropping.

31 Field Calibrating the Empty BIB Warning The dispenser will automatically turn on the Left or Right “REFILL LED”, see Operating Controls and Interface , when the corresponding BIB is Empty. The Refill message is triggered when the FlavorGard TM sensor reading drops below the minimum setting. The f...

Page 32 - SCHEMATIC WIRING DIAGRAM; Models without Master ON/OFF Switch

32 34766 010407 34641.0000J 09/06 © 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 J18-1 J18-6 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 J6-1 0 J6-1 5 J6-2 0 J1-1 J1-4 J15-1 J15-4 C O N T...

Page 33 - Models with Master ON/OFF Switch

33 34641.0003A 01/07 © 2007 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 J18-1 J18-6 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 J6-1 0 J6-1 5 J6-2 0 J1-1 J1-4 J15-1 J15-4 C O N T R O L P C B ...