Miele DFKS-R Mode D'emploi Et Instructions De Montage page 11

 Great care should be taken when using the cooker hood in the
same room or the same area of the house at the same time as
another heating appliance that depends on the air from the room.
Danger of poisoning by toxic fumes.
It is essential to observe the warning and safety instructions in the
instruction manual for your cooker hood and that you comply with
appropriate health and safety and buildings regulations. If in any
doubt, please seek the advice of an expert in this field.

These accessories are intended for use in domestic households
and similar working and residential environments.

They must only be used as a domestic appliance to extract
vapours and remove odours from cooking.
All other types of use are not permitted.

The flat ducting components are made of flame-retardant plastic.
Observe the country-specific building regulations regarding usability.
en - Warning and Safety instructions
11