Midea MISSION Smart Series Owner's Manual page 35

WARNING for Using R32/R290 Refrigerant
When flammable refrigerant are employed, appliance shall be stored in a well -ventilated area
where the room size corresponds to the room area as specifiec for operation.
For R32 frigerant models:
Appliance shall be installed, operated and stored in a room with a floor area larger than 4m .
Appliance shall not be installed in an unvertilated space, if that space is smaller than 4m .
For R290 refrigerant models, the minimum room size needed:
<=9000Btu/h units: 13m
>9000Btu/h and <=12000Btu/h units: 17m
>12000Btu/h and <=18000Btu/h units: 26m
>18000Btu/h and <=24000Btu/h units: 35m
Reusable mechanical connectors and flared joints are not allowed indoors.
(EN Standard Requirements).
Mechanical connectors used indoors shall have a rate of not more than 3g/year at 25%
of the maximum allowable pressure. When mechanical connectors are reused indoors,
sealing parts shall be renewed. When flared joints are reused indoors, the flare part
shall be re-fabricated. (UL Standard Requirements)
When mechanical connectors are reused indoors, sealing parts shall be renewed. When
flared joints are reused indoors, the flare part shall be re-fabricated.
(IEC Standard Requirements)
Explanation of symbols displayed on the indoor unit or outdoor unit:
WARNING
CAUTION
CAUTION
CAUTION
CAUTION
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This symbol shows that this appliance used a flammable refrigerant. If the
refrigerant is leaked and exposed to an external ignition source, there is
a risk of fire.
This symbol shows that the operation manual should be read carefully.
This symbol shows that a service personnel should be handling this
equipment with reference to the installation manual.
This symbol shows that information is available such as the operating
manual or installation manual.
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