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Lists outdoor and indoor unit models with specifications and appearance.
Details electrical specifications like power supply, fuse, and circuit breaker capacity.
Explains cooling and heating modes with flowcharts.
Covers compressor, EXV, fan, and 4-way valve control mechanisms.
Describes dial code settings for capacity, defrost, operating mode, and fan speed.
Provides wiring diagrams for outdoor and indoor units.
Details PCB interfaces and testing methods for IPM/PFC modules.
Lists all error codes, their meanings, and potential causes.
Detailed step-by-step troubleshooting for specific error codes like E1, E3, E4.
Addresses common operational issues not related to error codes.
Illustrates the overall system diagram with key components.
Step-by-step guide for vacuum pumping refrigerant lines.
Procedures for pre-charging and charging refrigerant into the system.
Instructions for replacing key components like compressor, drive module, and thermostat.
Detailed guide on diagnosing and replacing the compressor.
Explains the removal of ODU and IDU major components.
Provides exploded views and parts lists for ODU and IDU units.
Lists resistance and voltage values for temperature sensors at different temperatures.
Provides temperature and pressure data for R410A refrigerant.
Lists the tools required for operation and maintenance.
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