R32 & R290 refrigerants, what most companies say and what they don't ...

Introduction to the Refrigerants R32 & R290
the environmentally friendly Hydrocarbons R32 and R290 refrigerants used for air-conditioners . The two kinds of refrigerants are combustibles and odorless. Moreover, they can burn and explode under certain conditions.

However, there will be no risk of burning and explosion if you comply with the following table to install your air-conditioner in a room with the appropriate area and use it correctly. More

Compared with ordinary refrigerants, Refrigerants R32 &R290 are environmentally friendly and do not destroy the Ozone layer and that their values of greenhouse effect are also very low.

Please always read the manual before installation, maintenance or using for first time the air-conditioner.
Do not operate the air-conditioner using Refrigerants R32 &R290 in a room with open fire or any other device that can produce a spark.
For R32/R290 Refrigerants, all mechanical connectors should be outdoors.
It is necessary to comply with the provisions of Gas-related national laws and regulations.
It is necessary to clear away the refrigerant in the system when maintaining or scrapping the air-conditioner and wash the remaining content with Nos.
Stop the use of your air-condition immediately and call technician if you feel that your air-condition has a leak, it smells like something is burning or its making a strange noise.

Most of the info in this pages has been collected from personal field experience and is backed-up with various installation manuals of R32/R290 air-conditioners. The two most complete manuals that refer to the R32/R290 safety precautions can be found here: Inventor, TLC
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Please remember that all safety information pertaining to R32 / R290 installations, no mater which company they come from they should be considerd!!