Bunn LCR-3 HV Installation & Operating Manual
  1. Manuals
  2. Brands
  3. Bunn Manuals
  4. Beverage Dispenser
  5. LCR-3 HV
  6. Installation & operating manual
Bunn LCR-3 HV Installation & Operating Manual

Bunn LCR-3 HV Installation & Operating Manual

Hide thumbs Also See for LCR-3 HV:
Table of Contents

Advertisement

Quick Links

Download this manual
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 Bunn-O-Matic Corporation at 1-800-286-6070.
41129.0000H 06/11 ©2008 Bunn-O-Matic Corporation

Advertisement

Table of Contents
loading

Related Manuals for Bunn LCR-3 HV

Summary of Contents for Bunn LCR-3 HV

  • Page 1 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 Bunn-O-Matic Corporation at 1-800-286-6070.

  • Page 2: Warranty

    SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.

  • Page 3: Table Of Contents

    CONTENTS Warranty ................2 Energy Saver Mode ............11 Introduction ..............3 Optional 2-Product Operation ........11 User Notices ..............4 Programming the Dispenser .......... 12 Electrical Requirements ........... 5 Loading the Concentrate ..........17 Plumbing Requirements ..........5 Priming the Concentrate Lines ........17 Initial Set-up ..............

  • Page 4: User Notices

    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...

  • Page 5: Electrical Requirements

    NOTE: The water inlet fitting is 3/8” flare. Bunn-O-Matic recommends 3/8” flexible tubing from the 1/2” water supply line. At least 18 inches of FDA approved beverage tubing, such as reinforced braided polyethylene or silicone, before the dispenser will facilitate movement to clean the counter top.

  • Page 6: Initial Set-Up

    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.

  • Page 7: Installing Pump Tubing

    Depress the tension screw and remove it from the notch in the pump body, releasing the pump compression band. Apply lubricant (BUNN-O-MATIC part number M2531.0001) to the new pump tubing. Insert the tubing onto the mix chamber port and wrap the tubing around the pump rotor, making sure that the elbow and clamps end up on the bottom side of the pump body.

  • Page 8: Operating Controls & Interface

    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.

  • Page 9: Initial Fill & Heat

    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.

  • Page 10: Rinse Alarm Feature

    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...

  • Page 11: Bib Empty Lockout Feature

    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).

  • Page 12: Programming The Dispenser

    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.
  • Page 13 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.
  • Page 14 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.
  • Page 15 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...
  • Page 16 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...

  • Page 17: Loading The Concentrate

    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.

  • Page 18: Operating The Dispenser

    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.

  • Page 19: Cleaning & Preventive Maintenance

    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.

  • Page 20: Replacing The Pump Tubing

    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 Instruction on the Cabinet door for details.

  • Page 21: Draining The Hot Water

    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 lower right access panel. 4.

  • Page 22: Troubleshooting

    Troubleshooting 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 electrical equipment.
  • Page 23 Troubleshooting (Continued) Screen Displayed Possible Cause Troubleshooting Procedures ____ TARGET RPM The calculated Target RPM for the Check Pump & Flow Rate Calibration, refer TOO LOW !! pump indicated is out of range to Field Calibration Procedures ____ PUMP FAULT 1.
  • Page 24 Troubleshooting (Continued) Screen Displayed Possible Cause Troubleshooting Procedures 1. Cold Sensor wire(s) shorted to housing, Service Required COOL TEMP SENSOR or to each other. OUT OF RANGE 2. Product cabinet temperature too Service Required CHECK FOR BAD high. CONNECTIONS 3. Product cabinet temperature too low. Service Required CHECK WIRE FOR SHORTS...

  • Page 25: Field Calibration Of The Concentrate Pumps

    However, if the mix ratio accuracy is ever in question, this procedure can be used to recalibrate the unit in the field. Equipment Required: 250 ml graduated cylinder, with 2 ml graduations. BUNN # 34028.0000 2000 ml graduated container. BUNN # 34843.0001 NOTE: You can calibrate either the Concentrate Pumps or the Dispenser Flow Rate independently.

  • Page 26: Field Calibrating The Empty Bib Warning

    Field Calibrating the Empty BIB Warning The dispenser will automatically display LEFT, MIDDLE or RIGHT BIB Empty when the corresponding Concentrate BIB is Empty. The Refill message is triggered when the Conductance Sensor reading drops below the minimum setting. The factory set minimum is 600 and should be correct for most locations. However, the hardness of the local water supply may affect this reading.

  • Page 27: Schematic Wiring Diagram

    PRIME BLU/BLK LIMIT THERMOSTAT COMP. COMPRESSOR ASSEMBLY CONDENSER FAN CONDENSER 208-240 VOLTS AC REFRIGERATION CABINET 3 WIRE + GND SINGLE PHASE 60HZ 208-240 VOLTS AC 4 WIRE + GND THREE PHASE 60HZ 41172.0000C 10/08 © 2008 BUNN-O-MATIC CORPORATION 41129 110608...

Table of Contents