Heinner HAC-09OWF-BK, Manual

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CAUTION: Risk of fire / flammable materials (For R32/R290 units only)
WARNING: Servicing shall only be performed as recommended by the equipment
manufacturer. Maintenance and repair requiring the assistance of other skilled
personnel shall be carried out under the supervision of the person competent in the
use of flammable refrigerants. For more details, please refer to
the “Information on
servicing on Installation manual. (This is only required for the unit adopts R32/R290
refrigerant).
Explanation of symbols displayed on the indoor unit or outdoor unit
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.
CAUTION
This symbol shows that the operation manual should be read
carefully.
CAUTION
This symbol shows that a service personnel should be handling
this equipment with reference to the installation manual.
CAUTION
CAUTION This symbol shows that information is available such as the
operating manual or installation manual.