Address the retaining plate for the ex-
tension piece flush and horizontal to
the room ceiling. With the help of the
notches align with the central line
and mark the the positions on the
wall of the two bore holes.
With an 8 mm dia. bit, drill the holes
marked and then press the S8 plugs
into the holes.
Using 5 x 40 mm screws, loosely
screw on the top retaining plate for
the extension piece and the retaining
plate for the chimney piece of the
DA 239, adjust and secure.
Screw two 5 x 40 mm screws into the
bottom two holes, leaving the screw
heads protruding approx. 5 mm.
Non-return flap
(only for appliances with an integrated
fan)
Place the non-return flap into the ex-
haust connection of the motor unit so
that the flaps can open upwards.
Turn the non-return flap slightly to
the left to engage.
Installation
23