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LG LUU367HV User Manual

LG LUU367HV
80 pages
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SINGLE-ZONE FOUR-WAY
CEILING-CASSETTE SYSTEM
ENGINEERING MANUAL
Single-Zone Four-Way
Ceiling Cassette
Heat Pump Systems
3/4 to 3-1/2 Tons
LC187HV (18,000 Btu/h)
LC247HV (24,000 Btu/h)
LC367HV (36,000 Btu/h)
LC427HV (42,000 Btu/h)
LC097HV4 (9,000 Btu/h)
LC127HV4 (12,000 Btu/h)
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LG LUU367HV Specifications

General IconGeneral
BrandLG
ModelLUU367HV
CategoryHeat Pump
LanguageEnglish

Summary

About LG Electronics, Inc.

Duct-Free Split Systems

Describes LG's cost-efficient, quiet, and attractive HVAC solutions.

Inverter Systems

Explains LG's advanced controls for exceptional temperature and dehumidification control.

Quality Commitment

Details LG's commitment to technical support, installation training, and commissioning.

TABLE OF SYMBOLS

INTRODUCTION

ARCHITECTURAL APPEAL

Highlights the aesthetic integration and flexibility of the four-way ceiling cassette systems.

PRODUCT DATA

Unit Nomenclature

Explains the coding system used to identify different LG HVAC unit models.

GENERAL DATA

Four-Way Ceiling Cassette Pairing Table

Shows available outdoor, indoor units, and their corresponding controllers.

ELECTRICAL DATA

Table 4: Electrical Data.

Details electrical specifications like voltage, MCA, MOP, and motor FLA for various models.

OUTDOOR UNIT DIMENSIONS

LUU097HV, LUU127HV

Shows detailed dimensions for specific outdoor unit models.

OUTDOOR UNIT DIMENSIONS

LUU187HV, LUU247HV

Presents detailed dimensions for specific outdoor unit models.

INDOOR UNIT DIMENSIONS

LCN097HV4, LCN127HV4

Presents detailed dimensions for specific indoor unit models.

ACOUSTIC DATA

Outdoor Units

Lists sound pressure levels for outdoor units and provides diagrams showing sound distribution.

ACOUSTIC DATA

Indoor Units

Provides sound pressure levels for indoor units with diagrams illustrating sound distribution.

AIR VELOCITY AND TEMPERATURE DISTRIBUTION

LCN097HV4 Air Velocity and Temperature Distribution Charts

Illustrates airflow patterns and temperature distribution for a specific indoor unit model.

OUTDOOR UNIT REFRIGERANT FLOW DIAGRAM

LUU097, 127HV

Details the refrigerant flow paths and thermistor locations for specific outdoor units.

OUTDOOR UNIT WIRING DIAGRAM

LUU097HV and LUU127HV

Illustrates the electrical connections and component layout for specific outdoor units.

ACCESSORIES

Functions, Controls, and Options

Lists available functions, controls, and options for indoor units.

PERFORMANCE DATA

Cooling Capacity Tables

Presents detailed cooling capacity ratings for various models across different temperature conditions.

PERFORMANCE DATA

Heating Capacity Tables

Provides detailed heating capacity ratings for various models across different temperature conditions.

APPLICATION GUIDELINES

EQUIPMENT SELECTION PROCEDURE

Guides users through calculating correction factors for system selection based on piping and elevation.

BUILDING VENTILATION DESIGN GUIDE

Method 1: Natural Ventilation (Non-Ducted, Unconditioned Outdoor Air)

Describes using natural ventilation methods like windows and louvers for air exchange.

PLACEMENT CONSIDERATIONS

Indoor Unit

Covers best practices for selecting indoor unit locations and installation considerations.

PLACEMENT CONSIDERATIONS

Outdoor Unit

Details optimal placement for outdoor units, including clearance and environmental factors.

REFRIGERANT PIPING DESIGN & LAYOUT BEST PRACTICES

REFRIGERANT PIPING DESIGN

Device Connection Limitations

Lists pipe length limits and elevation considerations for refrigerant piping systems.

INSTALLATION & LAYOUT BEST PRACTICES

No Pipe Size Substitutions

States the prohibition of using different pipe sizes and potential consequences.

CONDENSATE DRAIN PIPING

Condensate Drain Piping

Provides specifications and installation guidance for condensate drain piping systems.

ELECTRICAL CONNECTIONS

Outdoor Unit Power Wiring / Communications Cable Connections

Details how to connect power and communication cables to outdoor units.

ELECTRICAL CONNECTIONS

Cassette Indoor Unit Power Wiring / Communications Cable Connections

Explains the process for connecting power and communication cables to indoor units.

MECHANICAL SPECIFICATIONS

General

Provides an overview of the LG single zone four-way ceiling cassette system and its compliance.

MECHANICAL SPECIFICATIONS

Coil

Describes the construction and materials of the heat pump coils for both indoor and outdoor units.

Fans and Motors

Details the specifications and operation of fans and motors in the system.

ACRONYMS

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