LG MultiSITE MS8250 Installation Manual

Vav room controller
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MultiSITE™ MS8250 VAV Room Controller
INSTALLATION MANUAL
MS8250
Model No. VUCQMS8250
Variable Air Volume (VAV) Controller

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  Summary of Contents for LG MultiSITE MS8250

  • Page 1 MultiSITE™ MS8250 VAV Room Controller INSTALLATION MANUAL MS8250 Model No. VUCQMS8250 Variable Air Volume (VAV) Controller...
  • Page 2 For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice. ©LG Electronics U.S.A., Inc. This document, as well as all reports, illustrations, data, information, and other materials are the property of LG Electronics U.S.A., Inc.
  • Page 3: Table Of Contents

    Main Specifications ........................................29 Standards and Certifications ....................................... 30 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 4: Safety Precautions

    Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 5 Wear protective gloves when handling equipment. Sharp edges cause personal injury. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 6 There also is risk of data loss or equipment damage. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 7: Before Beginning

    • Avoid touching exposed conductors and components leads with skin or clothing. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 8: Introduction

    INTRODUCTION Introduction This manual shows the installation instructions for the LG MultiSITE MS8250 Variable Air Volume (VAV) Room Controller (Firmware v2.4). MS8250 Variable Air Volume (VAV) Room Controllers For commercial and high end hospitality markets. The MS8250 is a low voltage variable air volume and zone Room Controller.
  • Page 9: Choosing A Location

    There is risk of product malfunction, miscommunication, and / or degraded performance. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 10 Failure to comply with these recommendations will result in damage to the unit and void the manufacturer’s warranty. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 11: Cleaning The Controller

    Performance can be affected if the glass on the screen is broken, and it will void the manufacturer's warranty. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 12: Installation

    Figure 4: Reinstall Cover 14. Install security screw. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 13: Terminal Identification And Function

    24 Vac ~ Common UI24 0-10 Vdc Input Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 14 24 Vac ~ Common UI22 Supply Sensor Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 15 24 Vac ~ to Baseboard • Valve NO Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 16 See the MS8250 Application Guide for more information on the “Sequence of Operations and Wiring". Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 17 See the MS8250 Application Guide for more information on the “Sequence of Operations and Wiring". Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 18 See the MS8250 Application Guide for more information on the “Sequence of Operations and Wiring". Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 19: Home Screen Display

    User HMI is configurable and allows display functions such as Date, Time, Humidity, Outdoor Temperature, Setpoint, and others to be enabled or disabled by setting various parameters. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 20: Set-Up Screen

    Return to Home Screen For more information on using and configuring the functions of the HMI, refer to the LG MultiSITE MS8250 Series Room Controller User Manual. Due to our policy of continuous product innovation, some specifications may change without notification.
  • Page 21: Power Outage Clock Reset

    Calibrated Flow Sensor (Balometer) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 22: Balancing

    6. On page “2/2 Balancing”, revert the Damper Override to None allowing the system to return to normal operation. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 23 Range: 40 to 800 CFM (19 to 377 l/s). Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 24 Range: -5000 to 5000 CFM (0 to 30932 l/s). Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 25 Choices: None, Minimum, Max. Cool, Close, Reheat and Open. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 26: Deployment Considerations

    1.5m) recommended installation height for the MS8250 Room Controller. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 27: Pir Sensor Details

    4. Install additional motion sensor for better motion detection in the entire room. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 28: Pir Energy Savings

    PIR Thermostat Consumption (Middle Line) Savings (Bottom Line) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 29: Main Specifications

    Room Controller power consumption of 12 Vac and input voltage range of 24-28 Vac is required. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 30: Standards And Certifications

    Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
  • Page 32 LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway Alpharetta, Georgia 30022 www.lghvac.com New Issue: IM_MultiSITE_RoomController_VAV_MS8250_08_20...

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Vucqms8250