Table of Contents
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Table of Contents
Related Manuals for LG A3UW21GFAC
Summarization of Contents
General Information
1. Model Line Up
Lists the different outdoor units available for multi-systems, categorized by nominal capacity and phase.
2. Nomenclature
Explains the coding system used for outdoor unit model names, breaking down each character's significance.
3. External Appearance
Illustrates the general external appearance of LG multi-systems and the connection to indoor units.
4. Indoor Unit and Outdoor Unit Capacity Index
Details how to select outdoor units based on indoor unit capacity and defines key terms like rated capacity.
4.1 Selection Procedure
Outlines the steps for selecting an outdoor unit, considering room usage and capacity matching.
4.2 Combination of Indoor and Outdoor Unit
Provides tables showing compatible combinations of indoor and outdoor units based on capacity indexes.
Multiple Piping Type
1. List of Functions
Details basic outdoor unit functions and accessory compatibility for multi-systems.
2. Specifications
Provides detailed technical specifications for various outdoor units, including electrical, physical, and performance data.
3. Dimensions
Presents dimensional drawings and specifications for different outdoor unit chassis and models.
4. Combination Table
Lists possible combinations of indoor and outdoor units, showing total capacity and input requirements.
5. Capacity Tables
Provides detailed cooling and heating capacity tables for various outdoor units and indoor unit combinations.
6. Capacity Correction Factor
Explains how to adjust capacity based on piping length, elevation, and other factors.
7. Electrical Characteristics
Covers wiring diagrams, power supply requirements, and component specifications for safe installation.
8. Operation Range
Illustrates the cooling and heating operating ranges of outdoor units based on indoor and outdoor temperatures.
9. Piping Diagrams
Shows schematic diagrams of refrigerant piping for different outdoor unit models and connections to indoor units.
10. Wiring Diagrams
Provides electrical wiring diagrams for various outdoor unit models, showing PCB connections and component layouts.
11. Sound Levels
Presents sound pressure and sound power level data for cooling and heating modes for different outdoor units.
Installation of Outdoor Units
1. Information for Refrigerant
Provides details on refrigerant properties, handling precautions, and concentration limits for R410A.
2. Select the Best Location
Offers guidance on selecting optimal installation locations for outdoor units, considering environmental factors and airflow.
3. Foundation for Installation
Details requirements for outdoor unit supports, anchor bolts, and foundation construction for stability and vibration reduction.
4. Refrigerant Piping System
Explains the piping system, connection methods, and calculation for additional refrigerant charge.
5. Electrical Wiring
Covers general instructions, warnings, cautions, and recommendations for electrical wiring and power supply.
6. Field Wiring
Provides schematic diagrams and guidelines for field wiring of main power supply and communication lines.
7. Special guide for installation at the Seaside
Offers specific recommendations for installing outdoor units in seaside locations to prevent corrosion and ensure proper operation.
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