Table of Contents
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Table of Contents
Related Manuals for LG F18AHJ AS-H246TKA2 (F24AHJ)
Summarization of Contents
Safety Precautions
Installation Safety
Key safety instructions for installing the air conditioner unit, covering power cords, grounding, and secure mounting.
Operation Safety
Critical safety guidelines for operating the air conditioner, including electrical safety and handling of flammable materials.
Dimensions
Symbols Used in Manual
Explains symbols used throughout the manual for warnings and notices, such as electric shock and hazard alerts.
Indoor Unit Dimensions
Provides physical dimensions (Width, Height, Depth) for various indoor unit models.
Outdoor Unit Dimensions
Details physical dimensions for different outdoor unit models, including overall size and connection points.
Product Specifications
Technical Specifications Table
Detailed technical data including capacities, power, noise levels, and dimensions for different models.
Installation
Location Selection & Piping
Guidelines for choosing optimal locations for units and specifications for piping length and elevation.
Installation Plate & Hole Drilling
Step-by-step instructions for mounting the installation plate and drilling wall holes for connections.
Drain Hose & Piping Routing
Guidance on correctly connecting the drain hose and routing refrigerant piping for proper function.
Piping & Flare Work
Flaring & Indoor Piping
Detailed steps for performing correct flaring work and connecting refrigerant piping to the indoor unit.
Outdoor Piping & Insulation
Instructions for connecting outdoor piping, insulation, and routing hoses for various configurations.
Indoor Unit Installation & Routing
Steps for hanging the indoor unit and routing internal piping and cables behind the chassis.
Outdoor Pipe Connection
Instructions for connecting refrigerant piping to the outdoor unit, including torque specifications.
Indoor/Outdoor Unit Wiring
Indoor Unit Wiring Connection
Steps to connect the control cable to the indoor unit's terminals according to wiring diagrams.
Cable Specifications
Details specifications for power and connecting cables required for different unit capacities.
Outdoor Unit Wiring Connection
Instructions for connecting the control cable to the outdoor unit's control board and securing it.
Drainage & Piping Checks
Indoor Unit Drainage Check
Procedure to check the indoor unit's drainage system for proper water flow and absence of leaks.
Piping Formation & Securing
How to form and secure refrigerant piping and drain hoses for optimal performance and safety.
Proper Drain Piping
Guidelines for correct drain piping installation to ensure effective water drainage and prevent issues.
Air Purging Procedure
Vacuum Pump Air Purging Prep
Preparation steps before performing air purging with a vacuum pump, including checking connections.
Leak Testing System Joints
Method for leak testing all tubing joints and service valves using nitrogen gas and soap solution.
Soap Water Leak Detection
Using soap water to detect leaks in the refrigerant piping system by observing bubbles.
System Evacuation
Evacuating the system using a vacuum pump to remove air and moisture to required vacuum levels.
Finalizing Air Purging
Steps to complete air purging, including opening valves, securing ports, and preparing for test run.
Test Running & Pump Down
Outdoor Unit Mounting
Instructions for securely anchoring the outdoor unit to its mounting base to prevent vibration and movement.
Performance Evaluation
How to evaluate the unit's performance, check refrigerant charge, and measure air temperatures.
Refrigerant Pump Down
Procedure to collect refrigerant in the outdoor unit for servicing or relocation without loss.
Unit Operation
Control Functions & Indicators
Explains the functions of various controls, indicators, and self-diagnosis features.
Cooling & Heating Modes
Describes unit operation in cooling mode, including temperature control and defrost cycles.
Special Operating Modes
How to select airflow speed and operate special modes like Sleep Timer, Chaos Wind, Jet Cool, and Forced Operation.
Test Operation & Alerts
How to perform test operations, use auto-restart, manage frost protection, and understand buzzer alerts.
Remote Control Operations
Remote Control Button Functions
Describes the function of each button on the remote control for mode selection and settings.
Operation Modes & Procedure
Explains how to select operation modes and the sequence of operations using the remote control.
Disassembly Procedures
Indoor Unit Disassembly
Step-by-step guide to disassembling the indoor unit, starting with removing the grille.
Removing Control Box & Grille
Instructions for removing the control box and discharge grille from the indoor unit chassis.
Indoor Evaporator Removal
Instructions for removing the evaporator assembly from the indoor unit, noting screw locations.
Motor Cover & Cross-Flow Fan Removal
Steps to remove the motor cover and the cross-flow fan from the indoor unit.
Schematic Diagrams
Electric Control Device Diagram
Shows the schematic for the electric control device, illustrating the main circuit board layout.
Indoor Unit Wiring Diagram
Illustrates the wiring connections for the indoor unit, showing component interconnections.
Outdoor Unit Wiring Diagrams
Shows the wiring diagrams for different outdoor unit models, detailing compressor, fan, and valve connections.
Main PWB Assembly Components
Identifies components on the top and bottom views of the main Printed Wiring Board (PWB) assembly.
Display Assembly Components
Shows the component layout and connections for the display assembly.
Troubleshooting Guide
Refrigeration Cycle & Valve Operation
Illustrates refrigerant flow and explains 2-way/3-way valve operations for diagnosing issues.
Pump Down, Evacuation & Charging
Procedures for collecting refrigerant, evacuating the system, and charging with refrigerant.
Refrigerant Leak & Charge Issues
Diagnosing and addressing refrigerant leaks, balancing refrigerant, and additional charging methods.
Component-Specific Troubleshooting
Diagnosing issues with electronic parts, remote control, fans, louvers, and heating operation.
Exploded Views
Indoor Unit Components
Illustrated breakdown of the indoor unit's parts, showing assembly and component identification.
Outdoor Unit 9K/18K Models
Illustrated breakdown of outdoor unit parts for 9K and 18K Btu/h models.
Outdoor Unit 12K Model Components
Illustrated breakdown of outdoor unit parts for the 12K Btu/h model.
Outdoor Unit 24K Model Components
Illustrated breakdown of outdoor unit parts for the 24K Btu/h model.
Replacement Parts List
Indoor Unit Parts
List of replacement parts for the indoor unit, including location number, description, and part number.
Outdoor Unit Parts
List of replacement parts for the outdoor unit, including location number, description, and part number.
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