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AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
System
P/NO : MFL46912318
Copyright © 2010 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com

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Summarization of Contents

Safety Precautions
General Safety Guidelines
Essential safety measures for installation and operation.
Installation Specific Safety
Safety protocols during the installation process.
Operation Specific Safety
Safety instructions for operating the unit.
Installation Process and Foundation
Installation Process Overview
Step-by-step guide for unit installation.
Outdoor Unit Foundation
Requirements for a stable foundation for the outdoor unit.
Unit Information and Location Selection
Outdoor Unit Specifications
Technical details of outdoor units.
Optimal Location Selection
Criteria for choosing the best installation site.
Installation Space Requirements
Minimum clearance dimensions for installation.
Refrigerant Piping and Charging
Piping Preparation and Flaring
Steps for preparing and connecting refrigerant pipes.
Flare Nut Tightening
Procedures for tightening flare nuts and torque specifications.
Refrigerant Piping Insulation
Instructions for insulating refrigerant pipes.
Leak Test and Vacuum Drying
Procedures for leak testing and drying the refrigerant system.
Refrigerant Charging
Steps for charging the system with the correct refrigerant amount.
Electrical Wiring and Connections
Electrical Wiring Safety
Safety guidelines for electrical wiring installation.
Power and Communication Line Separation
Guidelines for routing and spacing cables to prevent interference.
Cable Connection Methods
Procedures for connecting power and communication cables.
DIP Switch and Addressing Configuration
Settings for unit configuration and auto addressing.
System Test Run and Diagnostics
Pre-Test Run Checks
Essential checks before starting the system test run.
Sensor Checking Function
Procedure to verify sensor operation.
Refrigerant Auto Charging Function
Automatic process for charging refrigerant.
Self-Diagnosis and Error Codes
Interpreting error codes for system troubleshooting.
Special Installation Environments
Refrigerant Leak Safety
Managing refrigerant concentration for safety.
Seaside Installation Considerations
Guidelines for installing units in coastal areas.

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