Miele DA 430-4 EXT Operating And Installation Instructions page 9

The cooker hood works with
The air is drawn in and cleaned by the
stainless steel outer filter and the
grease filter, and then directed outside.
The cooker hood is fitted with a
, which is closed when
the cooker hood is switched off. No
exchange of room air and outside air
can take place. When the cooker hood
is switched on, the non-return flap
opens for the cooking smells to be
blown directly outside.
( ...EXT models only)
The EXT models are designed to be
connected to an external fan located
outside the room.
The external fan is connected to the
cooker hood by means of a control
cable, and is operated by the controls
on the cooker hood.
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