LG LC489HHV Engineering Manual

LG LC489HHV Engineering Manual

Four-way ceiling-cassette system

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Single-Zone Four-Way
Ceiling-Cassette
Heat Pump Systems
1.5 to 4 Tons
LC188HHV4 (18,000 Btu/h)
CEILING-CASSETTE SYSTEM
ENGINEERING MANUAL
LC249HHV (24,000 Btu/h)
SINGLE-ZONE
FOUR-WAY
LC369HHV (36,000 Btu/h)
LC429HHV (42,000 Btu/h)
LC489HHV (48,000 Btu/h)

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Summarization of Contents

INTRODUCTION
LG Air Conditioner Technical Solution (LATS)
Explains LG's software for HVAC design and system analysis.
PRODUCT DATA
Mechanical Specifications
Details mechanical aspects of the system, including general, outdoor, and indoor units.
General Data
Provides system-wide general data, including pairing tables.
Electrical Data
Lists electrical specifications, voltage, and current requirements.
Functions, Controls, and Options
Describes system functions, control options, and features.
Outdoor Unit Dimensions
Provides detailed diagrams and dimensions for outdoor units.
Outdoor Unit Center of Gravity / Corner Weights
Details center of gravity and corner weights for outdoor unit placement.
Indoor Unit Dimensions
Provides detailed diagrams and dimensions for indoor units.
Acoustic Data
Presents sound pressure and power levels for indoor and outdoor units.
Refrigerant Flow Diagrams
Illustrates refrigerant flow paths and component connections.
Wiring Diagrams
Shows electrical wiring schematics for indoor and outdoor units.
Electrical Connections
Explains power and communication cable connection guidelines.
Air Velocity and Temperature Distribution
Illustrates airflow patterns and temperature distribution charts.
Accessories
Lists available accessories and diagnostic software.
PERFORMANCE DATA
Cooling Capacity Data
Provides detailed cooling capacity tables for various conditions.
Maximum Cooling Capacity Data
Lists maximum cooling capacity data for various operating conditions.
Heating Capacity Data
Presents heating capacity tables for different operating conditions.
Maximum Heating Capacity Data
Details maximum heating capacity data for various scenarios.
Equipment Selection Procedure
Guides on selecting equipment using correction factors and procedures.
APPLICATION GUIDELINES
Placement Considerations
Discusses optimal locations for indoor and outdoor units.
Installing Outdoor Units Indoors
Covers guidelines for installing outdoor units in indoor spaces.
Refrigerant Piping Design
Details limitations and design considerations for refrigerant piping.

Table of Contents