LG MULTI V ARNU073M1A4 Installation Manual
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LG MULTI V ARNU073M1A4 Installation Manual

Ducted indoor units
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DUCTED INDOOR UNITS
INSTALLATION MANUAL
High-Static Ducted Indoor Units
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU153L2G4
ARNU093L1G4
ARNU183L2G4
ARNU123L2G4
ARNU243L3G4
High-Static Ducted Indoor Units
ARNU073M1A4
ARNU073M2A4
ARNU093M1A4
ARNU093M2A4
ARNU123M1A4
ARNU123M2A4
ARNU153M1A4
ARNU153M2A4
ARNU183M1A4
ARNU183M2A4
ARNU243M1A4
ARNU243M2A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
Vertical Air Handler
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
ARNU283M3A4
ARNU363M3A4
ARNU423M3A4
ARNU483M3A4
ARNU543M3A4

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Summary of Contents for LG MULTI V ARNU073M1A4

  • Page 1 DUCTED INDOOR UNITS INSTALLATION MANUAL High-Static Ducted Indoor Units High-Static Ducted Indoor Units ARNU073M1A4 ARNU073M2A4 ARNU283M3A4 ARNU093M1A4 ARNU093M2A4 ARNU363M3A4 ARNU123M1A4 ARNU123M2A4 ARNU423M3A4 ARNU153M1A4 ARNU153M2A4 ARNU483M3A4 ARNU363B8A4 ARNU183M1A4 ARNU183M2A4 ARNU543M3A4 ARNU423B8A4 ARNU243M1A4 ARNU243M2A4 ARNU483B8A4 ARNU283M2A4 ARNU763B8A4 ARNU363M2A4 ARNU963B8A4 ARNU423M2A4 Vertical Air Handler Indoor Units ARNU123NJA4 Low-Static Ducted Indoor Units...
  • 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

    General Mounting - Vertical / Horizontal Air Handler Units Piping Connections ................39 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 Instructions

    Wear protective gloves when handling equipment. Sharp edges may 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 5 U.S. Environmental Protection Agency (EPA) rules. 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 Do not allow strain on this cable. Poor cable connections can cause equipment malfunction. 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 There is risk of unit failure. 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 8 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 9 • Additional drain hose • Connecting cable (power and control) 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 10 Vertical Air Handler ARNU183NJA4 ARNU243NJA4 ARNU303NJA4 ARNU633NJA4 ARNU423NKA4 ARNU483NKA4 ARNU543NKA4 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 11: Unit Nomenclature

    A = No Plasma Filter G = Low-Static Generation 4 = Fourth 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 12: R410A Refrigerant

    551 psi design pressure of R410A. Inadequate piping may fail when pressurized. 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 13: General Data

    Do not ground the ODU-IDU communication cable at any other point. 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 14: Specifications − High-Static M2 Chassis

    Do not ground the ODU-IDU communication cable at any other point. 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 15 Do not ground the ODU-IDU communication cable at any other point. 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 16: Specifications − High-Static M3 Chassis

    Do not ground the ODU-IDU communication cable at any other point. 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 17: Specifications − High-Static B8 Chassis

    Low ambient performance with LGRED° heat technology is included in Multi V 5 Air 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 18: Specifications − Low-Static Ducted L1/L2/L3 Chassis

    Low ambient performance with LGRED° heat technology is included in Multi V 5 Air 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 19: Specifications − Vertical Air Handler Nj Chassis

    Do not ground the ODU-IDU communication cable at any other point. 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 20: Specifications − Vertical Air Handler Nk Chassis

    Do not ground the ODU-IDU communication cable at any other point. 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 21: Electrical − High-Static M1/M2/M3/B8 Chassis

    Max. power input is rated at maximum setting value. 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 22: Electrical − Low-Static Ducted L1/L2/L3 Chassis

    Max. power input is rated at maximum setting value. 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 23: Electrical − Vertical Air Handling Unit Nj/Nk Chassis

    Max. power input is rated at maximum setting value. 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 24: Dimensions - High-Static Ducted M1 Chassis

    GENERAL DATA Dimensions – High-Static Ducted M1 Chassis 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 25: Dimensions - High-Static Ducted M2 Chassis

    24-3/8 10-11/16 7-7/8 10-11/16 16-9/16 7-7/32 6-19/32 5-15/32 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 26: Dimensions - High-Static Ducted M3 Chassis

    11-7/16 24-3/8 12-3/4 14-27/32 7-3/8 6-27/32 5-1/2 1-3/32 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 27: Dimensions - High-Static Ducted B8 Chassis

    GENERAL DATA Dimensions – High-Static Ducted B8 Chassis 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 28: Dimensions - Low-Static Ducted L1/L2/L3 Chassis

    Flange 5-7/8 41-3/4 13/16 Bottom 6-1/16 41-11/16 Flange 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 29: Dimensions - Vertical Air Handler Nj Chassis

    FRONT VIEW have a tolerance of ±1/4 in. 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 30: Dimensions - Vertical Air Handler Nk Chassis

    Note: All measurements have a tolerance of ±1/4 in. 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 31: Refrigerant Piping Diagrams

    Line Refrigerant Pipes to Outdoor Unit Liquid 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” is a registered trademark of LG Corp.

  • Page 32: General Installation Guidelines

    2. Cut the white reinforced nylon straps, open the top of the box, and fold back all four flaps. 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 33: Installation

    Note: • It may be necessary to use a handy box that is sized in metric units, depending on the controller model. Check with your LG representa- tive to verify which size of handy box is needed for the zone controller in question.

  • Page 34: Indoor Unit Dimensions

    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 35: Duct Connection Dimensions

    5-7/8 41-3/4 13/16 Bottom 6-1/16 41-11/16 No Flange 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 36: Maintenance Clearances

    *Does not apply when the ceiling surface below can be removed. 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 37: General Mounting - Vertical / Horizontal Air Handler Units

    NK Frames ARNU423NKA4 42,000 ARNU483NKA4 48,000 ARNU543NKA4 54,000 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 38 / communications cable Minimum 14 inches 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 39: Piping Connections

    Information about ASHRAE Standard 15-2010 / 34-2010 and addenda current as of the date of this publication. 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 40: Refrigerant Piping

    15.88 ~ 19.7 (49/64 - 25/32) 19.05 ─ 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 41 1 hour. 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 42 (no air bubbles) Valve Tank 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 43 Ensure insulation on all pipe passing through pipe hangers, inside conduit, and/or sleeves is not compressed. 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 44: Condensate Piping

    1/4 inch per foot away from the indoor unit. • Use materials acceptable by local code. 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 45 Figure 37: Do Not Sharply Bend Drain Pipe. Flexible drain hose Drain pan 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 46: Wiring

    Do not run the power wiring and the communication cable in the same conduit. It will result in equipment malfunction. • 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 47: Power Wiring / Communication Cable Connections

    Do not include splices or wire nuts in the communication cable. 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 48: Power Supply / Power Wiring Specifications

    Failure to properly provide a National Electrical Code-approved earth ground can result in property damage and equipment malfunction. 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 49: Communications Cable Specifications

    Heat Recovery Units • Communication cable from Master Outdoor Unit to Indoor Units / Heat Recovery Units is to be LG supplied or field supplied 18 AWG, 2-conductor, twisted, stranded, shielded. Never splice communications cable. Ensure the communication cable shield is properly grounded to the Master Outdoor Unit chassis only.
  • Page 50 Wiring must comply with all applicable local and national codes. • If using LG supplied cable and the length needs to be extended, the LG Extension Kit (sold separately) must be used. A maximum of four (4) kits (up to 165 feet) can be used.
  • Page 51 • Indoor unit connections depend on indoor unit type. 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 52: Indoor Unit Communications Cable Connections

    N(L2) Wired Power Remote Comm Supply Controller (208/230V) 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 53 Power Input 208-230V / 60 Hz / 1 Phase 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 54: Connection Procedure

    Don’ts • Never use wire caps and never splice communications cables. • Never connect zone controllers or other central controllers or LG building management system gateways to the indoor unit / outdoor unit communications cable. Connection Procedure Indoor unit installation best practices are to connect control wiring (low voltage) and then connect power wiring (high voltage).
  • Page 55 See the wiring diagram for the specific indoor unit. 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 56: Lgred°, Hru Compatibility, And Gen 4 Dip Switch Settings

    (see table). LG VRF systems can operate with both old 2A heat recovery units and new 3A heat recovery units if the outdoor unit software has been upgraded. If a system includes a mix of both old and new heat recovery units, system design must follow 2A heat recovery unit series piping rules.

  • Page 57: Controller And Optional Wall-Mounted Sensor Installation

    (4) to five (5) feet above the finished floor. • It may be necessary to use a handy box that is sized in metric units, depending on the sensor model. Check with your LG representative to verify which size of handy box is needed for the sensor in question.

  • Page 58: High-Static Ducted M1 Chassis

    Figure 55: High-Static Ducted M1 Chassis Wiring Diagram 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 59 IV, Multi V S Engineering Manuals for additional information. 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 60: High-Static Ducted M2 Chassis

    Figure 56: High-Static Ducted M2 Chassis Wiring Diagram 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 61 IV, Multi V S Engineering Manuals for additional information. 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 62: High-Static Ducted M3 Chassis

    Figure 57: High-Static Ducted M3 Chassis Wiring Diagram 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 63 IV, Multi V S Engineering Manuals for additional information. 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 64: High-Static Ducted B8 Chassis

    Figure 58: High-Static Ducted B8 Chassis Wiring Diagram 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 65 IV, Multi V S Engineering Manuals for additional information. 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 66: Low-Static Ducted L1 Chassis

    Figure 59: Low-Static Ducted L1 Chassis Wiring Diagram 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 67 IV, Multi V S Engineering Manuals for additional information. 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 68: Low-Static Ducted L2/L3 Chassis

    Figure 60: Low-Static Ducted L2/L3 Chassis Wiring Diagram 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 69 IV, Multi V S Engineering Manuals for additional information. 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 70: Vertical Air Handler Nj Chassis

    Figure 61: Vertical Air Handler NJ Chassis Wiring Diagram 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 71 Water IV, Multi V S Engineering Manuals for additional information. 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 72: Vertical Air Handler Nk Chassis

    Figure 62: Vertical Air Handler NK Chassis Wiring Diagram 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 73 Water IV, Multi V S Engineering Manuals for additional information. 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 74: Controls Setup

    The method and configuration of controlling indoor units will vary according to system requirements, and the indoor unit(s) installed. The next few pages show examples of typical control configurations. Some configurations require LG group control kits and cables (sold separately);...
  • Page 75 Handheld Controller Master Master MultiSITE CRC1 MultiSITE CRC1 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 76 * OAU : Outside Air Intake Unit Standard: Standard Indoor Unit 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 77 Simple Simple Handheld Remote Remote Controller Controller 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” is a registered trademark of LG Corp.
  • Page 78 Remote Master Sensor Display Error Message Signal Master 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 79: Installation Checklist

    Double layer insulation is provided at pipe supports and wall penetrations. 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 80 Power and communications cables are properly restrained and separated. 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 81 Your LG Manufacturer Representative For warranty information, visit www.lghvac.com. 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 82 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics, USA Air Conditioning Technologies IM_MultiV_Ducted_IDU_08_20 4300 North Point Parkway Supersedes: IM_MultiV_Ducted_IDU_05_20 Alpharetta, Georgia 30022 IM_MultiV_Ducted_IDU_12_19 IM_MultiV_Ducted_IDU_5_16 www.lghvac.com IM-MultiV-DuctedIDU-08-14...

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