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1.) All fire dampers has to be closed during installation process.
2.) The control mechanism has to be protected (covered) against damage and pollution during installation
process.
3.) Min. gap for installation (installation opening) is 25 mm (circular dimension
Ø
D + 50 mm).
4.) Installation gap must be filled by approved material perfectly in all the installation space volume
(installation gap).
5.)
The distance between the fire damper and the construction (wall, ceiling) must be minimum 75 mm
according to EN 13662. In case that two or more dampers are supposed to be installed in one fire
separating construction, the distance between the adjacent dampers must be at least 200 mm according
to EN 13662 paragraph 13.5.
6.) Installation openings.
