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LG LS090HEV1 Engineering Manual
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LG LS090HEV1 Engineering Manual

Single zone mega wall mounted
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See also: Installation Manual
3/4, 1, 1-1/2, and 2 Tons
Mega Inverter Models:
LS090HEV1
LS120HEV1
LS180HEV1
LS240HEV1
SINGLE ZONE MEGA WALL MOUNTED
3/4 and 1 Tons
Mega 115V Models:
LS090HXV
LS120HXV
ENGINEERING MANUAL

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Summary of Contents for LG LS090HEV1

  • Page 1 SINGLE ZONE MEGA WALL MOUNTED ENGINEERING MANUAL 3/4, 1, 1-1/2, and 2 Tons 3/4 and 1 Tons Mega Inverter Models: Mega 115V Models: LS090HEV1 LS090HXV LS120HEV1 LS120HXV LS180HEV1 LS240HEV1...
  • Page 2 A summary list of safety precautions is on page 4. For more technical materials such as submittals, catalogs, installation, owner’s, and service manuals, visit www.lghvac.com. For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc.
  • Page 3 – little to no duct work or sheet metal is required. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 4: Table Of Contents

    This symbol indicates an action should not be completed. Due to our 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: Introduction

    INTRODUCTION “Architectural Appeal” on page 6...

  • Page 6: Architectural Appeal

    • Houses of worship Due to our policy of continuous product innovation, some specifications may change without notification. 6 | INTRODUCTION © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 7: Product Data

    “Outdoor Unit Dimensions” on page 15 “Indoor Unit Dimensions” on page 19 “Acoustic Data” on page 23 “Refrigerant Flow Diagrams” on page 25 “Wiring Diagrams—Indoor Units” on page 29 “Wiring Diagrams—Outdoor Units” on page 33 “Accessories - LG Monitoring View Diagnostic Software” on page 37...

  • Page 8: Product Features And Benefits

    Precise Due to our policy of continuous product innovation, some specifications may change without notification. 8 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 9: Unit Nomenclature

    4 = Fourth Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 9 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 10: General Data

    LSU120HXV LSN120HXV Due to our policy of continuous product innovation, some specifications may change without notification. 10 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 11 Piping lengths are equivalent. Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 11 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 12 Piping lengths are equivalent. Due to our policy of continuous product innovation, some specifications may change without notification. 12 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 13: Electrical Data

    MCA = Minimum Circuit Ampacity. Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 13 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 14: Functions, Controls, And Options

    X = Not available Due to our policy of continuous product innovation, some specifications may change without notification. 14 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 15: Outdoor Unit Dimensions

    Unit: Inch Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 15 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 16: Lsu180Hev1

    Center of Gravity Due to our policy of continuous product innovation, some specifications may change without notification. 16 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 17: Lsu240Hev1

    Center of Gravity 21-1/8 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 17 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 18: Lsu090Hxv1, Lsu120Hxv1

    Unit: Inch Due to our policy of continuous product innovation, some specifications may change without notification. 18 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 19: Indoor Unit Dimensions

    7- 9/16 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 19 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 20: Lsn120Hev1

    Unit: Inch 9-5/8 Due to our policy of continuous product innovation, some specifications may change without notification. 20 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 21: Lsn180Hev1, Lsn240Hev1

    Unit: Inch 12-1/8 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 21 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 22: Lsn090Hxv, Lsn120Hxv

    Unit: Inch Due to our policy of continuous product innovation, some specifications may change without notification. 22 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 23: Acoustic Data

    Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 23 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 24 Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. 24 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 25: Refrigerant Flow Diagrams

    Condensing temperature thermistor Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 25 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 26: Lsn180Hev/Lsu180Hev

    Condensing temperature thermistor Due to our policy of continuous product innovation, some specifications may change without notification. 26 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 27: Lsn240Hev/Lsu240Hev

    Condensing temperature thermistor Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 27 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 28: Lsn090Hxv/Lsu090Hxv

    Outdoor air temperature thermistor Due to our policy of continuous product innovation, some specifications may change without notification. 28 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 29: Wiring Diagram

    Option CN-L1 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 29 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 30: Lsn120Hev1

    Option CN-L1 Due to our policy of continuous product innovation, some specifications may change without notification. 30 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 31: Lsn180Hev1, Lsn240Hev1

    Mega Inverter LSN180HEV1 and LSN240HEV1 Option Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 31 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 32: Lsn090-120Hxv

    Mega 115V LSN090HXV and LSN120HXV Due to our policy of continuous product innovation, some specifications may change without notification. 32 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 33: Lsu090Hev1, Lsu120Hev1

    Mega Inverter LSU090HEV1 and LSU120HEV1 Option Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 33 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 34: Lsu180Hev1

    Mega Inverter LSU180HEV1 Due to our policy of continuous product innovation, some specifications may change without notification. 34 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 35: Lsu240Hev1

    Mega Inverter LSU240HEV1 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 35 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 36: Lsn090-120Hxv

    250V 250V Due to our policy of continuous product innovation, some specifications may change without notification. 36 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 37: Accessories

    Before specifying or placing an order, refer to the V-Net Network Solution Engineering Product Data Book and review the detailed technical data provided to fully understand the capabilities / limitations of these devices. Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 37 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 38 • Web Browser: Internet Explorer ® Due to our policy of continuous product innovation, some specifications may change without notification. 38 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 39: Performance Data

    PERFORMANCE DATA “Cooling Capacity Data” on page 40 “Heating Capacity Data” on page 43...

  • Page 40: Cooling Capacity

    Due to our policy of continuous product innovation, some specifications may change without notification. 40 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 41 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 41 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 42 Due to our policy of continuous product innovation, some specifications may change without notification. 42 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 43: Heating Capacity

    2. Direct interpolation is permissible. Do not extrapolate. Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 43 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 44 2. Direct interpolation is permissible. Do not extrapolate. Due to our policy of continuous product innovation, some specifications may change without notification. 44 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 45 16.4 13.1 Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 45 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 46 16.4 13.1 Due to our policy of continuous product innovation, some specifications may change without notification. 46 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 47 Based on maximum air flow. Due to our policy of continuous product innovation, some specifications may change without notification. PRODUCT DATA | 47 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 48 Due to our policy of continuous product innovation, some specifications may change without notification. 48 | PRODUCT DATA © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 49: Equipment Selection Procedure

    APPLICATION GUIDELINES “Equipment Selection Procedure” on page 50 “Building Ventilation Design Guide” on page 52 “Placement Considerations” on page 54...

  • Page 50: Ls090~240Hev1

    Total Pipe Length (ft) Due to our policy of continuous product innovation, some specifications may change without notification. 50 | APPLICATION GUIDELINES © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 51: Ls090Hxv/Ls120Hxv

    Total Pipe Length (ft) Due to our policy of continuous product innovation, some specifications may change without notification. APPLICATION GUIDELINES | 51 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 52: Building Ventilation Design Guide

    LG Electronics, U.S.A., Inc., In all cases, the designer, installer, and contractor should understand if the suggested method is used, it is used at their own risk. LG Electronics U.S.A., Inc., takes no responsibility and offers no warranty, expressed or implied, in law or in fact, including but not limited to any implied warranty of merchantability or fitness for a particular purpose.
  • Page 53 Louver Damper Due to our policy of continuous product innovation, some specifications may change without notification. APPLICATION GUIDELINES | 53 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 54: Placement Considerations

    Avoid exposing the unit to sources of extreme temperature or gases to prevent serious bodily injury. Due to our policy of continuous product innovation, some specifications may change without notification. 54 | APPLICATION GUIDELINES © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 55 Due to our policy of continuous product innovation, some specifications may change without notification. APPLICATION GUIDELINES | 55 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 56: Outdoor Unit Clearances

    Unit: Inch Due to our policy of continuous product innovation, some specifications may change without notification. 56 | APPLICATION GUIDELINES © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 57: Refrigerant Piping Design & Layout Best Practices

    REFRIGERANT PIPING DESIGN & LAYOUT BEST PRACTICES “Refrigerant Piping Design” on page 58 "Selecting Field-Supplied Copper Tubing" on page 59 "Refrigerant Piping System Layout" on page 60 "Piping Connection" on page 59 "Electrical Connections" on page 64 "Mechanical Specifications" on page 66 "Acronyms"...

  • Page 58: Design Guideline Summary

    Pipe length baseline temperature = 0°F. "Expansion of Carbon, Copper and Stainless Steel Pipe," The Engineers' Toolbox, www.engineeringtoolbox.com. Due to our policy of continuous product innovation, some specifications may change without notification. 58 | REFRIGERANT DESIGN © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 59: Selecting Field-Supplied Copper Tubing

    Due to our policy of continuous product innovation, some specifications may change without notification. REFRIGERANT DESIGN | 59 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 60: Installation & Layout Best Practices

    A + B ~ 12" – 19" Due to our policy of continuous product innovation, some specifications may change without notification. 60 | REFRIGERANT DESIGN © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 61: Pipe Sleeves At Penetrations

    Pipe Sleeves at Penetrations LG requires that all pipe penetrations through walls, floors, and pipes buried underground be properly insulated and routed through an ap- propriate wall sleeve of sufficient size to prevent compression of refrigerant pipe insulation and free movement of the pipe within the sleeve (Figure 36).

  • Page 62: Piping Connection

    (Bigger diameter) Due to our policy of continuous product innovation, some specifications may change without notification. 62 | REFRIGERANT DESIGN © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 63 65.6 0.33 Due to our policy of continuous product innovation, some specifications may change without notification. REFRIGERANT DESIGN | 63 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 64: Electrical Connections

    • Do not allow wire to touch refrigerant tubing, the compressor or any moving parts since it can lead to mechanical failure. Due to our policy of continuous product innovation, some specifications may change without notification. 64 | REFRIGERANT DESIGN © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 65 1(L1) 2(L2) Due to our policy of continuous product innovation, some specifications may change without notification. REFRIGERANT DESIGN | 65 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 66: Mechanical Specifications

    High Impact Polystyrene (HIPS) plastic. Due to our policy of continuous product innovation, some specifications may change without notification. 66 | REFRIGERANT DESIGN © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.

  • Page 67: Acronyms

    Heating, Ventilation and Air Conditioning Due to our policy of continuous product innovation, some specifications may change without notification. REFRIGERANT DESIGN | 67 © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
  • Page 68 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics Commercial Products Support 1-888-865-3026 USA Follow the prompts for commercial A/C products. LG Electronics Commercial Air Conditioning Division EM-SZ_Mega_Mega115V-4-15 11405 Old Roswell Road Alpharetta, Georgia 30009 Supersedes: EM-SZ_Mega_Mega115V-10-14 www.lghvac.com DFS-EM-AL-001-US_014D09...

This manual is also suitable for:

Ls120hev1Ls180hev1Ls240hev1Ls090hxvLs120hxv

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