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LCR-3 HV
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 Energy Saver Mode ........................................................ 11 Introduction ..................................................................... 3 Optional 2-Product Operation ........................................ 11 User Notices .................................................................... 4 Programming the Dispenser .......................................... 12 Electrical R
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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. 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 models inst
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ELECTRICAL REQUIREMENTS CAUTION: The dispenser must remain disconnected from power source until specified in Electrical Hook-Up. The LCR-3 HV is shipped configured for 3 Phase operation. The internal terminal block must be rewired for 208/240V – 1Phase applications, (see Optional Field Wiring Diagram). FIELD WIRING TERMINAL BLOCK DIAGRAM TO MACHINE TO MACHINE TERMINAL L1 L2 L3 N L1 L2 L3 N BLOCK FROM POWER SOURCE FROM POWER SOURCE Fig 1 Fig 2 For all 208 - 240 Volt Connections: Use No. 6 A
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INITIAL SET-UP NOTE: The LCR-3 HV dispenser weighs approximately 180 lbs. (82 kg). Use more than one person when lifting or moving the dispenser. 1. Cut the straps and remove the box and foam packing. 2. Locate and remove the information packets and tube kits from top of packaging and set aside. 3. Set dispenser on the counter where it is to be used. CAUTION: DO NOT LIFT ON THE DOOR. 4. Confirm the dispenser is level on the counter (See LEVELING THE DISPENSER). ELECTRICAL HOOK-UP CAUTION: Impr
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DRIP TRAY INSTALLATION 1. Unscrew the middle and right front legs (Fig. 1) - just enough to allow the mounting bracket to slide under the legs, (~1/8”). Caution: The LCR-3 HV is very heavy. Use wood blocks to hold the machine up while working underneath it! 2. Insert the bracket between the legs and the base of the machine and retighten the legs, (Fig. 2). Fig. 1 Fig. 2 3. Insert the Drip Tray onto the mounting bracket, (Fig. 3). Make sure the drain fitting is still protruding t
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OPERATING CONTROLS AND INTERFACE 1. Master ON/OFF Switch: Disconnects AC Power to the dispenser. 2. Hot Water Handle: Pull and Hold to dispense hot water manually. 3. Door Interlock Switch: Unit will not dispense product if the door is open. 4. LCD Display: Displays status, programming menus and fault messages. 5. Volume Selection: Rotate dial to the desired volume prior to dispensing product. 6. Dispense Switches (A-B-C): Push and Release to dispense the desired product. (These also double as
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INITIAL FILL & HEAT 1. Confirm the water supply is on. 2. Connect the dispenser to the power source. 3. Turn the Master ON/OFF Switch ON and select RUN on the Function Selector Switch. The LCD will display “Tank Filling – Please Wait!” and water will begin flowing into the tank. 4. Once the tank is full the dispenser will start heating the water and display “Heating – Select Flavor”. Dispenser models with product chillers will also begin to cool the cabinet at this time. 5. The LCD will disp
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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; see Programming the Dispenser to select the desired alarm mode. Alarm Level Alarm Mode Disabled None Warning Only “Rinse Required” will be displayed 4 hrs prior to the selected time interval to remind the operator that the Rinse Procedure needs to be preformed soon. The dispense
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BIB Empty Lockout Feature The dispenser can be set to not dispense product when the concentrate BIB is empty. To enable this feature, first calibrate the Empty BIB Threshold (refer to Field Calibrating the Empty BIB Warning). Then enable the BIB Empty Lockout feature (refer to the BIB Empty Lockout menu in Programming the Dispenser). The dispenser will now Lockout dispensing and display “RIGHT, MIDDLE or LEFT BIB EMPTY – Replace Now!”. Once the BIB has been replaced, PRIME the concentrate li
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PROGRAMMING THE DISPENSER Press the Right Hidden Switch for 5 sec. to enter the programming menu. Use the Left and Right hidden switches 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 Min. and Max. for that function. LCD DISPLAY ACTION DESCRIPTION READY
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PROGRAMMING (Continued) LCD DISPLAY ACTION DESCRIPTION Sets the water Tank temperature: Use the (+) or (-) buttons to TANK TEMP 190 (120 - 200°F) or (49 - 93°C) adjust the target Temp. (-) EXIT (+) Sets the hot water Ready temperature: Use the (+) or (-) buttons to READY TEMP 180 Typically set to the min. desired dispense temp. adjust the target Temp. (-) EXIT (+) Sets the Chilled cabinet target temperature: Use the (+) or (-) buttons to CABINET TEMP 38 (38 - 50°F) or (3 - 10°C)
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PROGRAMMING (Continued) LCD DISPLAY ACTION DESCRIPTION Select YES to Lockout dispensing until the BIB is Select (YES) to enable BibEMPTY LOCKOUT replaced and the pump has been Primed. Default NO EXIT YES is NO. Select YES to Lockout dispensing until the hot Select (YES) to enable BREW LOCKOUT ? water tank is at READY Temp. Default is NO. NO EXIT YES Select ON to enable Energy Saver Mode. Default Select (ON) to enable ENERGY SAVER MODE is OFF. NO EXIT YES Enter the amou
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PROGRAMMING (Continued) The following functions are for diagnostic and troubleshooting purposes and typically do not have to be adjusted. Contact your local service agent for assistance before making changes to these functions. LCD DISPLAY ACTION DESCRIPTION CAL LEFT PUMP ? Place a 50 mL (#34843.1000) The Left Pump will dispense concentrate for 10 LEFT graduated cylinder under the seconds, then shut off automatically. Collect and dispense tip, then activate the measure the concen
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PROGRAMMING (Continued) LCD DISPLAY ACTION DESCRIPTION XXOVERFLOW > 155 Use the (+) or (-) buttons to Used to set the Conductance Threshold for the (-) EXIT (+) adjust Overflow threshold Tank Overflow Probe XX 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 (-) .15SEC (+) adjust delay time at the
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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. 3. Open the dispenser door and locate the appropriate left, middle or right BIB Adapter fitting. 4. Connect the Adapter fitting to the BIB. Make sure the locking mechanism is fully engaged! 5. Place the BIB upright in the machine, rotating it into position with the connector down and facing forward. 6. Rotate the BIB Adapter to
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OPERATING THE DISPENSER The Cabinet door must be closed & latched and the Function Selector Switch set to RUN to dispense coffee. To Dispense Coffee 1. Select the desired volume (1, 2 or 3) using the rotary switch. 2. Place the appropriate container under the dispense tip. 3. Press and release the desired flavor switch to dispense product. The LCD will display “DISPENSING PRODUCT” “PRESS ANY SWITCH TO STOP”. Note: Pressing any switch after starting a dispense cycle - will abort that dispense
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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 and can be set to disable dispensing when it is time to rinse. See Programming Functions to activate this feature. Daily: RINSING & CLEANING 1. Select RINSE on the Function Selector Switch. 2. Place a 1/2 gal (2 liter) container under the dispense nozzle. 3. Press and Hold any flavor selection switch for approximately twen
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REPLACING THE PUMP TUBING The pumps and tubing used in this 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 Repla
