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General| Brand | LG |
|---|---|
| Model | FM56AH U33 |
| Category | Air Conditioner |
| Language | English |
Essential safety guidelines and warnings for handling the unit and performing repairs.
Overview of available indoor and outdoor unit models and their specifications.
Explanation of naming conventions for indoor, outdoor, and branch distributor unit models.
Comprehensive list of all available functions, controls, and their descriptions.
Details on air flow modes, purification system, and jet cool functions.
Setup options like E.S.P., high ceiling, hot start, and self-diagnosis.
Features like auto changeover, timers, group control, zone control, and low ambient operation.
Principles of compressor operation, starting, warm-up, and oil restoration.
Logic for frequency, reversing valve, discharge pipe, input current, and LEV control.
Logic for outdoor fan, defrost, heat sink, and oil restoration operations.
Procedures for checking refrigerant, valves, insulation, and preparing the remote control.
Flow charts and steps for conducting test runs and evaluating unit performance.
Test run procedures for SPLIT, CVT, and Ceiling Cassette unit types.
Indoor/outdoor error codes, indicators, and general troubleshooting guidance.
Procedures for pump down, evacuation, and gas charging for the refrigeration cycle.
Troubleshooting common issues with electronic parts, PCBs, and sensors.
Detailed steps for diagnosing and resolving specific error codes related to system faults.
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