LG MultiSITE MS8250 User Manual

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MultiSITE™ MS8250 VAV Room Controller
USER MANUAL
MS8250
Model No. VUCQMS8250
Variable Air Volume (VAV) Controller

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  • Page 1 MultiSITE™ MS8250 VAV Room Controller USER 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

    Pressure Independent ..............43-46 Pressure Dependent ..............47-48 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

    This symbol indicates situations that may result in equipment or property damage accidents only. This symbol indicates an action that should not be performed. This manual provides details on configuring the LG MultiSITE MS8000 Series Room Controllers to monitor and control LG HVAC equipment (Model Number: VUCQMS8250).
  • Page 5 There is risk of equipment damage, and will void the manufacturer's will void the manufacturer's warranty. 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” is a registered trademark of LG Corp.
  • Page 6: 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 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: Disclaimer

    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: Hmi Display And Set Up

    Language (Select Preferred Language) Unoccupied Mode Override 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 S e r v ice Vie w Enter Status and Service View 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 LUA Scripting (Shows Only if LUA Script is Uploaded) 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: Customized Screens

    • Local unit scale adjustment • User help menu 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: User Hmi For Commercial

    / night setback button does not show. 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: User Hmi Show / Hide Options And System Mode

    Auto: Room Controller automatically toggles between Heating and Cooling modes to satisfy both Heating and System Mode Auto Cooling demands. 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: Setpoint Adjustment / Other Functions

    Indoor °F Indoor °F Setpoint °F 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: Customizable Color Options

    2019.08.19 12:54 PM 2019.08.19 12:54 PM 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: User And Integrator Screens

    If changes need to be done remotely through BACnet, use priority 1, 2, or 3, or write to relinquish default (priority 17). 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: Network Screens

    Modbus: Modbus network protocol Choices: None, BACnet or Modbus 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: Zigbee Network 1 / 2

    Wi-Fi channels. Range: 10 to 25 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 21 Controller is a router. If not set to off manually the Permit join will stay On for three (3) hours. Choices: On or Off 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: Zigbee Network 2 / 2

    Shows the ZigBee firmware revision number. Read Only 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: Bacnet Network Settings

    Default Value: 4 Range: 1 to 5. 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: Bacnet Instance Number

    Accept and Save Reset to Automatic Instance Addressing 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: Modbus Network Settings

    Default Value: Even Choices: None, Odd and Even 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: Wi-Fi Network 1 / 5

    Status value: Offline, Booting, Initializing, Ready, Fail. 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: Wi-Fi Network 2 / 5

    Default Value: Enabled Choices: Enabled or Disabled 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: Wi-Fi Network 3 / 5

    Read Only Status value: Disabled, Offline, Online 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 Range: Disabled, Offline, Connect., Online, Failure, Unknown. 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: Wi-Fi Network 5 / 5

    Facility Expert Administrator before the device can be reconnected after a Factory Reset. 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 31: Wi-Fi Bacnet Network Settings

    Tap “R” icon to reset to automatic instance addressing. 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: Configuration Screens

    Range: 0.5 min to 9.0 min, using 0.5 min increments. 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 33: Configuration 2 / 9

    Range: 7.1 Vdc to 10.0 Vdc, using 0.1 Vdc increments, 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 34: Configuration 3 / 9

    Range: 30.0°F (-1.0°C) to 90.0°F (32.0°C) using 0.5°F (0.5°C) increments. 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 35: Configuration 4 / 9

    Default Value: Cool Choices: Cool, Heat. 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 36 • Choices: None, Door Dry, Override, Filter, Service. 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 37 3.9°C 9°F 5.0°C 10.0 10°F 5.6°C 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 38: Configuration 6 / 9

    Heating setpoints. Range: 0.0 to 24.0 hours 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 39: Configuration 7 / 9

    Choices: Ensabled, Disabled, En. no. clk, and Dis. no. clk. 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 40 Choices: Wired, Internal and WL 1 to WL 20. 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 41 Choices: None, Local and WL 1 to WL 20. 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 42: Configuration 9 / 9

    Node type in ZigBee Network screen returns to default value (Router). 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 43: Balancing

    Airflow Balancing settings can be found on the Balancing page of the Setup menu. 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 44 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 45 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 46 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 47: Pressure Dependent

    3 0 % Damp. override None 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 48 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 49: Setpoints Screens

    Range: 40 to 90°F (4.5 to 32.0°C) 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 50: Setpoints 2 / 2

    Range: 200 and 5000 PPM, using increments of 10 PPM. Default Value: 1200 PPM 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 51: Display Screens

    Default Value: 0 Range: -5 to +5. 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 52: Display Screen 2 / 3

    Choices: Enabled or Disabled. 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 53: Display Screen 3 / 3

    Hide Optionson page 15. Choices: Enabled or Disabled. 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 54: Service View Screens

    RH sensor parameter in “Configuration 8 / 9” on page 40-41 to select RH source. 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 55: Service View Screen 2 / 9

    Heat Dem. Limit (Heating Demand Limit) Display Readings: 0-100%. Read Only 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 56: Service View Screen 3 / 9

    Display Readings: Motion or No Motion. 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 57: Service View Screen 4 / 9

    Display Readings: Motion or No Motion. 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 58: Service View Screen 5 / 9

    Shows the analog value of the UI24 generic Universal Input (in Volts). Read Only 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 59: Service View Screen 6 / 9

    Display Readings: Thermistor, Binary, Voltage or Reserved. Read Only 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 60: Service View Screen 7 / 9

    Shows the serial number of the installed CO sensor module. Read Only 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 61: Service View Screen 8 / 9

    Shows the tempertature setpoint value currently in use by the system. Read Only 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 62: Service View Screen 9 / 9

    ZigBee Revision shows the Firmware version of an onboard ZigBee or optional ZigBee add-on module. 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 63: Test Outputs Screens

    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 64 Actuator type, Fan type, Reheat config and Duct heater outputs. 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 65: Language Selection Screens

    Poli sh Por tu guese Disab led 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 66: Schedule Screens

    The Clock - Schedule Menu screen is directly accessible from the main setup screen. 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 67: Clock

    Display Readings: None, Local, BACnet, NTP or Cloud. Read Only 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 68: Schedule

    There are three (3) separate Unoccupied parameter entries. Range: 00:00 - 23:59. 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 69: Options

    Choices: 7 days, 5+2 days or 5+1+1. 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 70: Adr Screen

    • Display Readings: On or Off. 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 71: Wireless Screens

    A la rm s C o n f igu ra t ion A la rm 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 72: Ecosystem Settings

    Display Readings: 0 to 20 devices. 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 73: Device X

    Shows unique IEEE (MAC) address of ZigBee wireless device. Read Only 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 74 • Humidity Sensor: XX %RH. • CO Sensor: XXX PPM. 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 75: Device Groups

    Display Readings: Yes or No. Read Only 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 76: Temperature Alarms Configuration

    Range: -40 to +32°F (-40 to 0°C). installed]) Default Value: 0.0°F (-17.5°C) 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 77: Alarms

    Read Only Display Readings: On or Off. 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 78: Lua Screens

    Display Readings: No error, Syntax, Runtime, Memory. 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 79: Lua Generic Parameters

    BAS or LUA script. 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 80 LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway Alpharetta, Georgia 30022 www.lghvac.com New Issue: UM_MultiSITE_RoomController_VAV_MS8250_09_20...

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