Bunn LCC-2 LP Installation And Operating Manual
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Bunn LCC-2 LP Installation And Operating Manual

Bunn LCC-2 LP Installation And Operating Manual

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LCC-2 LP
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601
FAX: (217) 529-6644
To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE,
and the quickest way to obtain the catalog. Contact Buun-O-Matic Corporation at 1-800-286-6070 to obtain a paper
copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.
www.bunnomatic.com
37935.0001C
08/06 ©2005 Bunn-O-Matic Corporation

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Summary of Contents for Bunn LCC-2 LP

  • Page 1 PHONE: (217) 529-6601 FAX: (217) 529-6644 To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the catalog. Contact Buun-O-Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.

  • 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 User Notices ............................4 Introduction ............................5 Electrical Requirements ..........................5 Plumbing Requirements .........................5 Initial Set-up ............................6 Electrical Hook-up ...........................6 Plumbing Hook-up ..........................6 Operating Controls & Interface .......................7 Installing Pump Tubing ...........................9 Initial Fill & Heat ............................10 Rinse Alarm Feature ..........................11 Programming the Dispenser .........................12 Priming the Concentrate Lines ......................16 Draining the Hot Water..........................16...

  • 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. 00656.0000 00986.0002 27508.0000 208-240V Models only 37881.0000 USE COPPER WIRE ONLY FOR...

  • Page 5: Introduction

    The 120V LCC-2 LP dispenser is 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 be a NEMA 5-15R.

  • Page 6: Initial Set-Up

    INITIAL SET-UP NOTE: The LCC-2 LP weighs approximately 70 lbs. (32 kg). If necessary, use more than one person when lifting or moving the dispenser. 1. Cut the plastic bands and remove the top box. 2. Locate and remove the parts box from top of packaging and set aside.

  • Page 7: Operating Controls & Interface

    OPERATING CONTROLS AND INTERFACE 1. Dispense Switches: Push 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. Carafe Switch: Momentarily pushed to select the Carafe dispense Volume. 5.
  • Page 8 Master ON/OFF Switch (208-240V Models only) 37935.1 082906...

  • Page 9: Installing Pump Tubing

    3. Apply lubricant (BUNN-O-MATIC part no. M2531.0001) to the middle section of the new pump tubing. 4. Carefully wrap the new tubing around the rotor, making sure that the elbow and clamps end up on the front side of the pump body.

  • Page 10: Initial Fill & Heat

    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.

  • Page 11: 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 two levels of operation, Disabled and Warning. Alarm Level Selected Alarm Mode Disabled None Warning...

  • Page 12: Programming The Dispenser

    PROGRAMMING THE DISPENSER Open the dispenser door to access the digital programming module with LED display. Two basic modes are available to the operator: Display Mode and Program Mode. To enter the Display Mode, Set the RUN/NIGHT/PROGRAM Switch to the RUN position. To enter the Program Mode, Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position.
  • Page 13 PROGRAMMING THE DISPENSER (Cont.) Display Mode (Continued) LCD DISPLAY DISPLAY MODE DESCRIPTION Regular Dispense Total Displays Total Regular Coffee Dispensed (XX.X Gal) MENU Decaf Dispense Total Displays Total Decaf Coffee Dispensed (XX.X Gal) MENU 0 8 6 0 0 Empty Product Threshold Displays Empty Product Threshold (Default = 600) MENU...
  • Page 14 PROGRAMMING THE DISPENSER (Cont.) Program Mode : Used to change or enter new set-up values. To enter the Program Mode, Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position, the unit will display “__PPP” to indicate it is in the Program Mode. Use the MENU switch to scroll to the next display. Use the Increase (+) and Decrease (-) switch to adjust the values.
  • Page 15 PROGRAMMING THE DISPENSER (Cont.) Program Mode (Continued) LCD DISPLAY PROGRAM MODE DESCRIPTION P 7 0 0 0 Right (Decaf) Dispense Total Reset Total to Zero (00.0 Gal) MENU P 8 6 0 0 Empty Product Threshold Set Conductance Threshold Default = 600 Range = 100 Min / 900 Max To check Conductance of Hot Water, view the display while rinsing.

  • Page 16: Priming The Concentrate Lines

    PRIMING THE CONCENTRATE LINES 1. Open the dispenser door. 2. Select Prime on the Function Selector Switch and Run on the Mode Selector Switch. 3. Close the dispenser door. 4. Place a container under the dispense tip. 5. Activate the appropriate dispenser until concentrate flows from the dispense nozzle. Priming may take 5 to 10 seconds.

  • Page 17: Operating The Dispenser

    OPERATING THE DISPENSER Set the Function Selector Switch to “Normal” and the Mode Selector Switch to “Run.” 1A. Push and Hold Dispense Mode (Cup at a time). See Programming Functions to set this amount. a. Place cup on the tray beneath the dispensing tip. b.

  • Page 18: Cleaning & Preventive Maintenance

    General Cleaning and Sanitizing Procedures Note: The BUNN LCC-2 LP dispenser incorporates a “user selectable” rinse reminder feature, which lights the ® Rinse LED on the front panel when it is time to rinse. See Programming Functions to activate this feature.

  • Page 19: Replacing The Pump Tubing

    5. Apply lubricant (BUNN-O-MATIC part no. M2531.0001) to the middle section of the new pump tubing (Fig 6. Carefully wrap the new tubing around the rotor, making sure that the elbow and clamps end up on the front side of the pump body (Fig 5).

  • Page 20: Calibrating The Dispenser

    CALIBRATING THE DISPENSER NOTE: The LCC-2 LP is calibrated at the factory and does not normally need to be re-calibrated. To enter the Calibration Mode, Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position and then hold the “MENU” switch down for 10 seconds.
  • Page 21 CALIBRATING THE DISPENSER (Cont.) LCD DISPLAY CALIBRATION MODE DESCRIPTION C 4 r u n Right (Decaf) Water Rate Set PRIME-NORMAL-RINSE switch to RINSE position. Press and hold Decaf Dispense Switch until flow stops (20 sec.) Refer to Field Calibration of the Concentrate Pumps.

  • Page 22: Troubleshooting Guide

    Error Code. Refer to the list of Error Codes below to identify the problem. 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. LED DISPLAY...
  • Page 23 TROUBLESHOOTING GUIDE (Cont.) Error Codes (Continued) LED DISPLAY ERROR DESCRIPTION/TROUBLESHOOTING E C 0 0 7 Tank Temp Sensor Failed Sensor Reading Out Of Range (High or Low). Faulty Sensor wiring. MENU E C 0 0 8 Cool Temp Sensor Failed Sensor Reading Out Of Range (High or Low).

  • Page 24: Field Calibration Of The Concentrate Pumps

    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 reca- librate the unit in the field.

  • Page 25: Field Calibrating The Empty Product Warning

    Field Calibration of the Concentrate Pumps & Dispenser Flow Rates (Continued) 4. Stop dispensing and allow the tip to stop dripping. Discard the water collected 5. Place a 1500 to 2000 ml graduated container under Left Dispense Tip. 6. Press & Hold the Regular dispense switch. The dispenser will display a 20 second count down timer and then stop dispensing automatically.

  • Page 26: Schematic Wiring Diagrams

    SCHEMATIC WIRING DIAGRAM LCC-2 LP LIMIT THERM. TANK HEATER BLK-16 BLK-16 BLU/BLK-16 WHT-16 J2-1 RED-18 RED-18 GRAY-18 RED-18 POWER SUPPLY GRAY-18 24 VDC, 180 WATTS BLK-18 GRAY-18 J4-1 LEFT VALVE J2-5 RED-18 BRN/BLK-18 GRAY-18 WHT-18 RED-18 N/L2 BLK-18 ORN-18 J2-8...
  • Page 27 RINSE RED-20 BRN-20 GRAY-22 PROGRAM J8-10 J1-1 WHT/BLK-22 NIGHT WHT/GRAY-22 J8-14 J1-5 J11-1 J2-1 J7-1 SWITCH & LED BOARD J2-4 J7-4 J11-5 230 VOLTS AC - 2 WIRE SINGLE PHASE, 50 HZ 37921.0001B 08/05 © 2005 Bunn-O-Matic Corporation 37935.1 082205...

  • Page 28: Schematic Wiring Diagram

    RED-20 BRN-20 J1-5 J8-10 GRAY-22 PROGRAM WHT/BLK-22 NIGHT WHT/GRAY-22 J8-14 SWITCH & LED J2-1 J7-1 BOARD (37561-0000) 208-240 VOLTS AC J11-1 J2-4 J7-4 2 WIRE + GRD SINGLE PHASE, 50/60 HZ J11-5 37921.0004A 08/06 © 2006 Bunn-O-Matic Corporation 37935.1 082906...

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