Miele DA 1160 Operating And Installation Instructions page 26

Installation
^ Fasten the exhaust duct to the
exhaust collar e.g. using a flexible
duct and a clamp (optional
accessory).
^ Insert the exhaust collar into the
exhaust opening and secure it by
turning it clockwise.
^ For further exhaust ducting see
"Exhaust ducting".
For recirculation mode:
^ Insert the odor-free filter (see
"Cleaning and care").
26
Observe the instructions in
"Important safety instructions" and
"Electrical connection".
^ Plug the power cord into the power
outlet.
^ To carry out a function test, turn the
fan on.
– In extraction mode, no air should
come out of the air outlet at the front
of the hood.
– In recirculation mode, the air should
come out of the air outlet at the front
of the hood.
If this is not the case, the diverter in not
installed correctly (see "Diverter").