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LG MULTI V ARNU073BGA4 Installation Manual
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LG MULTI V ARNU073BGA4 Installation Manual

Ducted indoor units
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ARNU073BGA4
ARNU283BRA4
ARNU093BGA4
ARNU363BRA4
ARNU123BGA4
ARNU423BRA4
ARNU153BGA4
ARNU483BRA4
ARNU183BGA4
ARNU543BRA4
ARNU243BGA4
ARNU283BGA4
ARNU363BGA4
ARNU423BGA4
DUCTED INDOOR UNITS
INSTALLATION MANUAL
High-Static Ducted Indoor Units
ARNU363B8A4
ARNU073BHA4
ARNU423B8A4
ARNU093BHA4
ARNU483B8A4
ARNU123BHA4
ARNU763B8A4
ARNU153BHA4
ARNU963B8A4
ARNU183BHA4
ARNU243BHA4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU153L2G4
ARNU093L1G4
ARNU183L2G4
ARNU123L2G4
ARNU243L3G4
Built-In Ducted Indoor Units
ARNU073B3G4
ARNU093B3G4
ARNU123B3G4
Vertical Air Handler
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
ARNU153B3G4
ARNU183B4G4
ARNU243B4G4

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Summary of Contents for LG MULTI V ARNU073BGA4

  • Page 1 DUCTED INDOOR UNITS INSTALLATION MANUAL High-Static Ducted Indoor Units Built-In Ducted Indoor Units ARNU073BGA4 ARNU283BRA4 ARNU363B8A4 ARNU073BHA4 ARNU093BGA4 ARNU363BRA4 ARNU423B8A4 ARNU093BHA4 ARNU073B3G4 ARNU153B3G4 ARNU123BGA4 ARNU423BRA4 ARNU483B8A4 ARNU123BHA4 ARNU093B3G4 ARNU183B4G4 ARNU153BGA4 ARNU483BRA4 ARNU763B8A4 ARNU153BHA4 ARNU123B3G4 ARNU243B4G4 ARNU183BGA4 ARNU543BRA4 ARNU963B8A4 ARNU183BHA4 ARNU243BGA4 ARNU243BHA4 ARNU283BGA4 ARNU363BGA4...
  • 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

    Piping Connections ................39 Refrigerant Piping ................40 Condensate Piping ..............44 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

    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: Introduction

    • 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

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 14: Specifications − High-Static Bg Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 15: Specifications − High-Static Bg Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 16: Specifications − High-Static Br/B8 Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.
  • Page 17 Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 18: Specifications − Low-Static B3/B4 Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 19: Specifications − Low-Static Ducted L1/L2/L3 Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 20: Specifications − Vertical Air Handler Nj Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 21: Specifications − Vertical Air Handler Nk Chassis

    Power wiring is field supplied and must comply with the applicable local and national codes. Power Supply (V/Hz/Ø): 208-230/60/1 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” is a registered trademark of LG Corp.

  • Page 22: Electrical − High-Static Bh/Bg/Br/B8 Chassis

    Select wire size based on the larger MCA value. Instead of fuse, use circuit breaker. 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 − Low-Static Built-In B3/B4 Chassis

    Select wire size based on the larger MCA value. Instead of fuse, use circuit breaker. 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: Electrical − Low-Static Ducted L1/L2/L3 Chassis

    Select wire size based on the larger MCA value. Instead of fuse, use circuit breaker. 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 Bh Chassis

    GENERAL DATA Dimensions – High-Static Ducted BH 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 26: Dimensions - High-Static Ducted Bg Chassis

    GENERAL DATA Dimensions – High-Static Ducted BG 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 27: Dimensions - High-Static Ducted Br Chassis

    GENERAL DATA Dimensions – High-Static Ducted BR 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 - 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 29: Dimensions - Built-In Low-Static Ducted B3/B4 Chassis

    14-1/8 2-3/16 PBSC40 43-5/16 10-11/16 1-9/16 to 9-13/16 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 - Low-Static Ducted L1/L2/L3 Chassis

    ARNU243L3G4 43-5/16 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: Dimensions - Vertical Air Handler Nj 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 32: 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 33: 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 34: 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 35: 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 36: Indoor Unit Dimensions

    Indoor Unit Dimensions 2. Use only LG-provided cable to connect the zone controller. Pull LG communications cable between the zone controller handy box and the indoor unit. A thirty-three (33) foot length of cable will be found with the wall-mounted zone controller.

  • Page 37: Duct Connection Dimensions

    Flange 6-7/16 41-5/16 Bottom 39-9/16 1-1/2 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 38: 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 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 24 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” 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

    C ≤ 2 x External Static Pressure (in.-wg) • 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 Drain Pump port Drain hose clip (provided) 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: Power And Control Wiring

    Failure to carefully read and follow all instructions in this manual can result in equipment malfunction or property damage and will void the LG limited liability 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 47: Indoor Unit Communication Cable Connections

    • Never use wire caps and never splice communications cables. • Star and Wye communications cable configurations are not acceptable. • Never connect zone controllers or other central control products such as AC Smart, PDI, or LG building management system gateway products to the IDU/ODU communications cable.
  • Page 48 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 49 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 50: Indoor Unit Power Cable Connections

    LG limited liability 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 51 12. Securely tighten the terminal screws to prevent the conductors from coming loose. 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: Dip Switch Settings For Gen4 Equipment

    Generation 4 Equipment The latest versions of LG’s indoor units and outdoor (air/water source) units are designated Generation 4 (Gen 4). For Gen 4 units to operate with Gen 4 features, the air conditioning system must meet the following requirements: •...

  • Page 53: High-Static Ducted Bh Chassis

    Figure 42: High-Static Ducted BH 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 54 IV, Multi V S Engineering Manual 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 55: High-Static Ducted Bg Chassis

    Figure 43: High-Static Ducted BG 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 56 IV, Multi V S Engineering Manual 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 57: High-Static Ducted Br Chassis

    Figure 44: High-Static Ducted BR 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 58 IV, Multi V S Engineering Manual 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 59: High-Static Ducted B8 Chassis

    Figure 45: 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 60 IV, Multi V S Engineering Manual 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 61: Low-Static Ducted L1 Chassis

    Figure 46: 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 62 IV, Multi V S Engineering Manual 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 63: Low-Static Ducted L2/L3 Chassis

    Figure 47: 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 64 IV, Multi V S Engineering Manual 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 65: Low-Static Built-In B3/B4 Chassis

    Figure 48: Low-Static Built-In B3/B4 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 66 IV, Multi V S Engineering Manual 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 67: Vertical Air Handler Nj Chassis

    Figure 49: 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 68 IV, Multi V S Engineering Manual 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 69: Vertical Air Handler Nk Chassis

    Figure 50: 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 70 IV, Multi V S Engineering Manual 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 71: Optional Wall-Mounted Sensor And Controller

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

  • Page 72: Controls Setup

    • Set only one indoor unit in a group to master; set the others to slave. • This indoor unit can be connected in a control group with any other types of LG indoor units. • It is possible to use a wireless remote controller at the same time as the wall controller.
  • Page 73 ▪ Do not connect 12V line between slave indoor units Master Slave Signal 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 FAU: Fresh Air Intake Unit Standard: Standard Indoor Unit ZC: Zone 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 75 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 76: 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 77 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 78 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, Startup, and Commissioning Technical Assistance 1-888-865-3026 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 80 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics LG Customer Information Center, Commercial Products Commercial Air Conditioning Division 1-888-865-3026 USA 11405 Old Roswell Road Follow the prompts for commercial A/C products and parts. Alpharetta, Georgia 30009 IM_MultiV_Ducted_IDU_5_16 www.lghvac.com Supersedes: IM-MultiV-DuctedIDU-08-14...

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