22
CAUTION
No airflow possible!
ALDs must not be operated with a closed
inside cover, as there can not be a sufficient
ventilation.
Closing the inside cover
• Pull the inside cover out of the mount-
ing tube.
• Fold down the integrated flap until it
clicks in place.
• Reinsert the inside cover into the
mounting tube (with the air vent poin-
ting upwards).
achieved using two sound insulation ele-
ments (SDE) and 1 chamber.
3. The corresponding chart is used, tak-
ing account of the required differential
pressuret.
4. The airflow volume can now be calcula-
ted. Using 1 chamber of the soundproof-
ing elements, the ALD supplies 15.6 m³/h
of fresh air.
3.3 Installation
A diagram showing the individual work steps
is to be found in the installation instructions
that go with each system.
INFORMATION
Before installing the individual components
of the finishing set, the wiring and the inside
and outside finishing work must have been
completed.
4 Operating
CAUTION
Avoid dust!
Do not operate the ALDs without a filter.
4.1 Inside cover
The inside cover may be closed to prevent
outside air subject for example to smoke
or dust entering a room. Under normal op-
erating conditions however, the inside cover
must be open.
Summary of Contents for easy ALD
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