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General| Brand | LG |
|---|---|
| Model | LSN120HSV4 |
| Category | Air Conditioner |
| Language | English |
Essential safety guidelines and warnings for proper handling and operation.
Specific warnings and precautions to be taken during repair procedures.
Checks to perform after completing repair work to ensure safety and functionality.
Details the various models available in the product line, including indoor and outdoor units.
Lists and categorizes available indoor unit models with their specifications.
Details the outdoor unit models, including multiple piping and branch distribution types.
Explains the naming conventions and codes for product identification.
Explains the coding system for global indoor unit model names.
Explains the coding system for global outdoor unit model names.
Provides a comprehensive list of available functions and accessories for the units.
Detailed breakdown of functions available for different unit types (Indoor).
Details various airflow control settings and modes, including swing and speed.
Describes how the horizontal louvers operate for automatic airflow direction.
Details the 'Jet Cool' mode for rapid cooling.
Describes functions related to the installation process.
Guides on setting External Static Pressure for optimal airflow and installation.
Covers aspects of product reliability, including hot start and self-diagnosis.
Covers the self-diagnosis feature for error detection and troubleshooting.
Details user-friendly features and control options.
Describes the operational parameters for cooling and heating modes.
Details the 'Auto Operation' mode utilizing artificial intelligence.
Guides on controlling multiple units together using wired or wireless controllers.
Explains how to select the temperature sensor for room temperature judgment.
Highlights specialized functions and optional kits.
Details the 'Low Ambient' control for operation in cold outdoor temperatures.
Explains the defrost operation for heating mode to prevent ice buildup.
Describes the fundamental principles of normal system operation.
Explains how motor RPM is controlled via compressor frequency.
Details how the compressor is controlled for optimal performance.
Describes compressor control using Fuzzy logic for stable performance.
Explains the control mechanism of the Electronic Expansion Valve (EEV).
Explains EEV fuzzy control for superheat maintenance.
Details various protection mechanisms to prevent system damage.
Details protection measures for high pressure conditions.
Details protection measures for low pressure conditions.
Essential checks to perform before initiating the test run.
Covers crucial pre-test run checks like leakage, connections, and insulation.
Visual guide illustrating the steps for conducting a test run.
Step-by-step flowchart for performing the unit's test run.
Details the procedures and considerations for the test run.
Important precautions to observe during the test run phase.
Steps for evaluating the unit's performance after operation.
Key precautions for test runs, especially for Ceiling Cassette types.
Details the self-diagnosis feature for identifying errors.
Explains error codes and indicators for indoor units, including display types.
Lists outdoor unit error codes with LED indications, causes, and status.
Procedure for gathering refrigerant into the ODU.
Steps for evacuating the system, including vacuum pump usage.
Procedure for charging refrigerant into the system after evacuation.
Troubleshooting electronic components and their functions.
Troubleshooting steps when the product fails to operate entirely.
Troubleshooting steps when the remote controller is unresponsive.
Troubleshooting steps when the compressor or outdoor fan fails to operate.
Troubleshooting steps for when the indoor fan fails to operate.
Troubleshooting steps for when the air louvers do not operate correctly.
Detailed troubleshooting for indoor unit errors, focusing on sensor checks.
Comprehensive troubleshooting for outdoor unit errors.
Troubleshooting DC Peak (IPM Fault) errors in outdoor units.
Troubleshooting DC Link voltage errors, both high and low.
Troubleshooting DC compressor position errors or starting failures.
Troubleshooting high discharge pipe temperature in the inverter compressor.
Troubleshooting low pressure errors, including causes and checks.
Troubleshooting fan lock errors in the outdoor unit fan motor.
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