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General| Brand | LG |
|---|---|
| Model | MULTI V IV ARNU07GTU 2 Series |
| Category | Air Conditioner |
| Language | English |
Guidelines for safe and correct installation of the air conditioning unit.
Safety instructions to follow during the operation of the air conditioner.
Lists and categorizes various model names for indoor and outdoor units.
Illustrates the physical appearance of different indoor unit types.
Explains the naming conventions for indoor and outdoor unit model numbers.
Details the various operational functions specific to the ARUN series outdoor units.
Explains the fundamental control mechanisms and operating modes of the outdoor units.
Describes advanced control functionalities like oil return and defrost cycles.
Outlines the safety and protection measures implemented in the outdoor unit.
Essential checks to perform before initiating the test run procedure.
Procedures for troubleshooting and addressing issues encountered during test runs.
Guide on setting and verifying DIP switch configurations on the main PCB.
Lists common issues and their causes related to major component failures.
Provides detailed procedures for checking critical components like compressors and motors.
Specific methods for diagnosing compressor issues and resistance checks.
Procedures for inspecting fan motor operation, wiring, and resistance.
Explains EEV operation, pulse signals, and failure modes.
Explains how to use and interpret the unit's self-diagnosis error codes.
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