Safety Tips

HomeSafety TipsCommercial air-conditioning system using flammable refrigerant

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:

  • R134a
  • R410A
  • R407C
  • R1233zd
  • R513A
  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
  A joint departmental circular by the EMSD, FSD and LD