Commercial air-conditioning system using non-flammable refrigerant
Pay attention to exempt quantity for refrigerant containers during installation and maintenance
Choose the right refrigerant when replacing the old air-conditioning and refrigeration equipment using R22 refrigerant
Choose non-flammable refrigerants:
Air-conditioning system and refrigeration equipment using flammable refrigerants is not suitable to install in Hong Kong environment.
Do not adopt non-prescribed refrigerant in the existing equipment