Introduction to Refrigerants R32 & R290
The refrigerants used for air conditioners are environmentally friendly hydrocarbons R32 and
R290. The two kinds of refrigerants are combustible and odorless. Moreover, they can burn and
explode under certain condition. 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 an appropriate area
Compared with ordinary refrigerants, Refrigerants R32 & R290 are environmentally friendly and do
not destroy the ozone sphere and that their values of greenhouse effect are also very low.
Room area requests for air conditioner with Refrigerants R32 & R290
Refrigerants
R32
R290
Room AreaCapacity (Btu)
9K
12K
18K
22K/24K
9K
12K
18K
22K/24K
2
Above 4 m
2
Above 4 m
2
Above 15 m
2
Above 25 m
2
Above 10 m
2
Above 13 m
2
Above 15 m
2
Above 30 m
Warnings
Please read the manual before installation, using, maintenance.
Do not use means to accelerate the defrosting process or to clean, other than those recommended by
the manufacturer.
It is necessary to comply with the provisions of gas-related national laws and regulations.
The appliance shall be stored in a room without continuously operating sources (for example: open
Please contact the nearest after-sale service center when maintenance is necessary. At the time of
maintenance, the maintenance personnel must strictly comply with the Operation Manual
provided by the corresponding manufacturer and any non-professional is prohibited to maintain
Do not pierce or burn the appliance.
It is necessary to clear away the refrigerant in the system when maintaining or scrapping an air
Warning:Combustible
& Dangerous
Read the user manual
Read the installation
manual
Read the service
manual
1
INTRODUCTION TO REFRIGERANTS R32&R290
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