Miele DA424V-6 Installation Instructions Manual page 13

Installation
 Move the canopy to the required
height by pressing the  button and
stop it by pressing the  or 
button.
 Screw on the limit switch opposite
the guide.
40
 Hold the chimney securely, bend
back the retaining tabs and carefully
lower it.
The chimney will locate in the cut-out in
the canopy.