Miele DA 420V-6 Operating Instructions Manual page 421

 Loosen the screws from the exhaust
socket and the hose inside and
remove the exhaust socket. It is not
required for recirculation mode.
 Remove the non-return flap. It is not
required for recirculation mode.
 Place the directional unit in the
installation frame with the arrows
pointing to the sides.
 Rotate the directional unit by 90° so
that the arrows now point forwards
and backwards.
Installation
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