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LG MULTI F LAN090HSV4 Installation Manual
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LG MULTI F LAN090HSV4 Installation Manual

Art cool mirror wall-mounted indoor unit
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MULTI
MULTI
ART COOL™ MIRROR

INSTALLATION MANUAL

F
F
MAX
WALL-MOUNTED

INDOOR UNIT

• LAN090HSV4
• LAN120HSV4
• LAN180HSV4
9 kBtu
12 kBtu
18 kBtu

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Summary of Contents for LG MULTI F LAN090HSV4

  • Page 1: Indoor Unit

    MULTI MULTI ART COOL™ MIRROR WALL-MOUNTED INDOOR UNIT INSTALLATION MANUAL • LAN090HSV4 9 kBtu • LAN120HSV4 12 kBtu • LAN180HSV4 18 kBtu...
  • 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

    Refrigerant Leaks ............................... 51 Installation Checklist ............................52 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 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 Do not block the inlet or outlet. Unit may 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 8 MULTI MULTI 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

    • 3/8” or 1/2” nuts, flat washers, and • Additional drain hose insulation lock/split washers 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 Wireless Controller with Holder One (1) HSV4: AKB73835317 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

    • All indoor units are compatible with wired controllers 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: General Data

    • Refer to the Multi F Engineering Manual to properly determine total indoor unit connected capacity. 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: Specifications

    (DB) and 60ºF wet bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB). 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: Cross Flow Fan

    Liquid (inch) LAN090HSV4 Ø3/8 Ø1/4 LAN120HSV4 LAN180HSV4 Ø5/8 Ø3/8 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 15: Typical Multi F/Multi F Max Systems

    B: Branch Piping (Branch Distribution Unit to Indoor Unit[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” is a registered trademark of LG Corp.
  • Page 16 Depends on the size LMU540HV of the indoor unit piping Ø3/4 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: Refrigerant Piping Requirements

    Field Supplied Refrigerant Piping Type ACR copper is the only approved refrigerant pipe material for use with LG Multi F air conditioning products. ACR rated tubing is the only type that ships with yellow caps. Approved tubing for use with Multi F products will be marked “R410 RATED” along the length of the tube.

  • Page 18: General Installation Guidelines

    Unit: Inch At least 6.5 from the floor 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: Inspection

    11. If the unit is undamaged, remove and retain the installation manual. It is located under or on top of the 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 20 Type "A" Screws Type "A" Screws Chassis Chassis Hook Hook 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 Left pipe Drain hose Back Down Drain hose 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: Refrigerant Piping

    Field-Provided Isolation Ball Valves LG recommends installing field-supplied ball valves with Schrader ports at each indoor unit. Full-port isolation ball valves with Schrader ports (positioned between valve and indoor unit) rated for use with R410A refrigerant should be used on both the liquid and vapor lines.
  • Page 23 Multi F MAX Y-Branch Kit PMBL5620 The LG supplied Y-Branch Kit PMBL5620 MUST be used when two branch distribution units are connected to one Multi F MAX system. Field-supplied fittings are not permitted. Each Y-Branch kit comes with two (2) Y-branches (one for the liquid line and one for the vapor line) and insulation covers.
  • Page 24 Tube wall thickness should meet local code requirements and be approved for an operating pressure of 551 psi. If local code does not specify wall thickness, LG suggests using tube thickness per table below. When bending tubing, try to keep the number of bends to a minimum, and use the largest radii possible to reduce the equivalent length of installed pipe;...
  • Page 25 Inches to feet conversion (12 in./ft.) ASTM B-88 Standards. 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 Anticipated Linear Expansion (LE) (inches) 1-1/2 2-1/2 3-1/2 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 A + B ~ 12" – 19" Max. 12" Max. 12" Max. 12" 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 Support Band Down Stop Hexagonal Nut Refrigerant Pipe 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: Pipe Sleeves At Penetrations

    Insulation thickness (value in parenthesis) = 3/4 inch. 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: Piping Materials And Handling

    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 31: Piping Preparation

    0.06 – 0.7 0.06 – 0.7 0.07 – 0.8 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 32: Piping Connections

    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 ODU Spanner Flare nut Field Piping Torque wrench 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 (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 35: Piping Insulation

    • When the humidity is high and there is no air flow in the location where the piping is installed. 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 Ensure all refrigerant piping is insulated. Any exposed piping will cause burns if touched. Wrap all refrigerant and condensate piping including field-provided isolation ball valves and flexible pipe connection kits provided by LG. All pipes must be insulated and each pipe must be separately wrapped. Any exposed piping may generate condensate; sufficiently insulate all cold surfaces to prevent moisture forming.

  • Page 37: Drain Piping

    Drain pan Drain hose Check for leaks 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: Electrical Wiring

    • Use a conduit to protect the power 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” is a registered trademark of LG Corp.

  • Page 39: Power Wiring Specifications And Best Practices

    Ground the communications cable shield only at the outdoor unit. Improperly grounding this cable can cause communications errors. 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: Power Wiring Specifications And Best Practices/Controller Options

    ® ® tered trademark of Echelon Corporation. 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: Indoor Unit Electrical Connections Guidelines

    Terminal screws may become loose during transport. Properly tighten the terminal connections during installation. 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: Indoor Unit Electrical Connections Procedure

    Figure 56: Removal (and Reattachment) of Bottom Panel 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: Indoor Unit Electrical Connections

    2(L2) 1(L1) 2(L2) 3 or S 1(L1) 2(L2) 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: Self Diagnosis Functions

    • Unit Conversion: Converts metric values to imperial values. 5. Data 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 • MS Office 2003, 2007 (recommended) for select reporting functions 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: Lg Sims - Self Diagnosis Functions

    Main Info Tab Help Menu (File is Factory Use 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” is a registered trademark of LG Corp.
  • Page 47 - Outdoor Unit Electric data graph is displayed. 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: 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 49: Troubleshooting

    Indoor unit BLDC motor fan lock Indoor unit middle pipe sensor error 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 Refer to Service Manuals posted on www.lghvac.com for a full description of all error codes and workarounds. 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: Cautions For Refrigerant Leaks

    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 52: Installation Checklist

    Best practice including a minimum of 20″ of straight pipe was installed between each elbow. 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 wiring to the Single Zone outdoor unit was installed per all local electrical code requirements. Power wiring to the indoor unit was installed per all local electrical code requirements. LG-supplied cable was used between the indoor unit and its zone controller. No cables were spliced and no wire caps are present.
  • Page 54 MULTI MULTI 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 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 56 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_Multi_F_ArtCoolMirrorWallMount_5_15 www.lghvac.com Original Issue...

This manual is also suitable for:

Multi f max lan120hsv4Multi f max lan180hsv4

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