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General precautions for safe installation and operation of air conditioners.
Precautions and procedures for brazing refrigerant pipes, including nitrogen purging.
Detailed instructions for connecting refrigerant piping, including front/side connection decisions and knockout hole precautions.
Comprehensive procedures for leak testing and vacuum drying the refrigerant system.
Essential safety precautions and compliance requirements for electrical wiring installation.
Explains how to connect transmission wiring for single and multi-unit outdoor installations.
Detailed instructions for connecting transmission and power supply wiring to the unit's terminals.
Guide to operating buttons and DIP switches for system configuration and setting adjustments.
Explains how to use push buttons to perform special actions and set field parameters.
Details the functions and usage of DIP switches for factory settings and system configurations.
Key safety precautions and guidelines to follow when charging refrigerant into the system.
Methodology for calculating the required additional refrigerant charge based on piping and capacity.
Detailed procedure for adding refrigerant, including automatic and manual methods.
Visual flowchart detailing the steps for adding refrigerant, including automatic and manual methods.
Explains Mode 2 for changing field settings, covering fan speed, noise operation, and power consumption.
Explains energy-saving features like VRT and VRT smart control for optimizing efficiency and comfort.
Important safety precautions to take before initiating the system test operation.
Details the steps and expected indications during the automatic system test run.
Guidance on troubleshooting and correcting abnormalities identified during the test operation.
Lists and explains malfunction codes displayed by the unit for troubleshooting.
Instructions for performing field settings via DIP switches and push buttons on the logic board.
Precautions for refrigerant piping work and charging, emphasizing R410A compatibility and procedures.
Explains how to calculate and maintain maximum allowable refrigerant concentration levels in occupied spaces.
Step-by-step guide to check maximum refrigerant concentration levels and necessary actions.
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General