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^ First loosely screw the two self tap-
ping nuts onto the threaded bolts on
retaining plate A.
Leave a gap of approx. 3 mm for
hanging the motor on afterwards.
^ Fit the motor unit onto the hooks on
retaining plate A and slide down be-
hind the nuts.
^ Tighten the nuts.
^ If a non-return valve is not present in
the venting system the non-return
flap supplied must be fitted onto the
exhaust connection in the motor unit.
The flaps must open upwards.
^ For extraction connection secure a
flexible hose or an extraction pipe to
the exhaust connection on the motor
unit using a hose clip. Lead the top
end to the open air through the wall
or ceiling cut-out.
^ For further installation instructions
proceed to "Connection for air extrac-
tion".
21
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