SINGLE ZONE VERTICAL AIR HANDLING UNIT ENGINEERING MANUAL - LV 18,000 - 60,000 Btu/h

Oct 22, 2026

Engineering manual for LG Electronics single zone vertical air handling units (LV series), covering models such as LV181HV, LV241HV, LV300HV, LV361HV, LV480HV1/HV2, and LV600HV within an 18,000–60,000 Btu/h range. Includes proprietary data notice, safety precaution overview reference, sizing and installation requirements, ENERGY STAR matching guidance, and a detailed table of contents. Topics span unit nomenclature, mechanical and electrical specifications, controls and options, indoor/outdoor dimensions, acoustic data, refrigerant flow and wiring diagrams, DIP switch settings, airflow ranges, accessories, performance capacity tables, equipment selection procedures, correction factors, placement and clearances, outdoor installation, and refrigerant piping design guidelines.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages104

Reading Time4 h 22 min

AccessFree to download

Unit Nomenclature

LG Air Conditioner Technical Solution (LATS)

Mechanical Specifications

General Data

Pairing Table

General Data / Specifications

Electrical Data

Functions, Controls, and Options

Indoor Unit

Outdoor Unit

Outdoor Unit Dimensions

LUU180HV, LUU240HV

LUU360HV, LUU420HV, LUU480HV, LUU601HV

Indoor Unit Dimensions

LVN181HV4, LVN241HV4, LVN300HCV, LVN361HV4

LVN420HV, LVN480HV, LVN600HV

Acoustic Data

Indoor Units Sound Pressure

Indoor Units Sound Power

Outdoor Units Sound Pressure

Outdoor Units Sound Power

Refrigerant Flow Diagram

Indoor Units

Outdoor Units

Indoor Unit Wiring Diagram

Outdoor Unit Wiring Diagram

Electrical Wiring

DIP Switch Settings

Electrical Connections

Connections and Specifications

External Static Pressure and AirFlow Ranges

Accessories

Performance Data

Cooling Capacity Tables

Heating Capacity Tables

Maximum Heating Capacity Tables

Equipment Selection Procedure

Correction Factors

Placement Considerations

Clearances

Installing Outdoor Units Indoors

Refrigerant Piping Design

Design Guideline Summary

SINGLE ZONE VERTICAL AIR HANDLING UNIT ENGINEERING MANUAL LV181HV (18,000 Btu/h) LV241HV (24,000 Btu/h) LV300HV (30,000 Btu/h) LV361HV (36,000 Btu/h) 18,000 - 60,000 Btu/h LV480HV1 (48,000 Btu/h) LV480HV2 (48,000 Btu/h) LV600HV (60,000 Btu/h) PROPRIETARY DATA NOTICE This document, as well as all reports, illustrations, data, information, and other materials are the property of LG Electronics U.S.A. , Inc. , and are disclosed by LG Electronics U.S.A. , Inc. only in confidence. This document is for design purposes only. A summary list of safety precautions is on page 3. Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR® criteria. Ask your contractor for details or visit www. [energystar.gov](energystar.gov). (ENERGY STAR and the ENERGY STAR mark are registered trademarks owned by the U.S. Environmental Protection Agency.) For more technical materials such as submittals, catalogs, installation, owner’s, and service manuals, [visit www.lghvac.com](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. TABLE OF CONTENTS Unit Nomenclature..................................................................... 4 LG Air Conditioner Technical Solution (LATS) ....................... 5 Mechanical Specifications........................................................ 8 General Data ............................................................................ 10 Pairing Table .......................................................................... 10 General Data / Specifications ................................................. 12 Electrical Data.......................................................................... 16 Functions, Controls, and Options.......................................... 17 Indoor Unit ............................................................................. 17 Outdoor Unit .......................................................................... 18 Outdoor Unit Dimensions ....................................................... 19 LUU180HV, LUU240HV ......................................................... 19 LUU360HV, LUU420HV, LUU480HV, LUU601HV ................. 20 Indoor Unit Dimensions .......................................................... 21 LVN181HV4, LVN241HV4, LVN300HCV, LVN361HV4 .......... 21 LVN420HV, LVN480HV, LVN600HV ...................................... 22 Acoustic Data........................................................................... 23 Indoor Units Sound Pressure ................................................ 23 Indoor Units Sound Power ..................................................... 26 Outdoor Units Sound Pressure .............................................. 29 Outdoor Units Sound Power .................................................. 31 Refrigerant Flow Diagram....................................................... 34 Indoor Units ........................................................................... 34 Outdoor Units ........................................................................ 35 Indoor Unit Wiring Diagram.................................................... 37 Outdoor Unit Wiring Diagram................................................. 40 Electrical Wiring ...................................................................... 43 NJ / NK Frame Wiring Diagram Legend ................................ 43 DIP Switch Settings ............................................................... 44 Electrical Connections............................................................ 45 Connections and Specifications ............................................ 48 Exter

FAQs

What does the manual specify for single zone vertical air handling units?

It provides engineering details for LG single zone vertical air handling unit models across the LV series, including technical specifications, wiring and refrigerant flow information, performance data, and design guidance sections referenced in the table of contents.

How does the manual address safety precautions?

It states that a summary list of safety precautions is on page 3 and includes a table of symbols defining DANGER, WARNING, CAUTION, and notes about equipment or property damage.

What guidance is included for proper system sizing and installation?

It emphasizes that proper sizing and installation are critical for optimal performance and notes that split system air conditioners and heat pumps must be matched with appropriate coil components to meet ENERGY STAR criteria.

Oct 22, 2026

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