Midea Blanc Series, Owner'S Manual

Page: 37 / 64

WARNING for Using R32/R290 Refrigerant
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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)
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CAUTION
CAUTION
CAUTION
CAUTION
WARNING
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 information is available such as the operating
manual or installation manual.
This symbol shows that a service personnel should be handling this
equipment with reference to the installation manual.
Explanation of symbols displayed on the indoor unit or outdoor unit: