This document Français provides an installation manual for split-type air conditioners SUZ-AA09, AA12, AA15NL using refrigerant R454B. It emphasizes the importance of proper installation by qualified installers to prevent fire, electric shock, and injury hazards. Key points include using correct protective equipment, securely installing the unit, proper electrical work, grounding, wire connection, and avoiding flammable gas exposure. It also highlights the risks of using incorrect parts, power cords, and refrigerants. Following these guidelines ensures safety and optimal performance of the air conditioning units. Consult this manual for detailed instructions on safe and efficient installation practices.