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Fire dampers are suitable for installation in arbitrary position in vertical and horizontal passages
of fire separating constructions. Damper assembly procedures must be done so as all load
transfer from the fire separating constructions to the damper body is absolutely excluded.
Back-to-back air-conditioning piping must be hung or supported so as all load transfer from the
back-to-back piping to the damper is absolutely excluded. Installation gap must be filled by
approved material perfectly in all the installation space volume (installation gap).
To provide needed access space to the control device, all other objects must be situated at least
350 mm from the control parts of the damper. Inspection hole must be accessible.
Damper blade has to be inside of construction (labelled with BUILD IN EDGE on the damper
body) after installation. The fire damper can also be installed outside the wall construction. Duct
and the damper part between the wall construction and the damper blade (labelled with BUILD
IN EDGE on the protective covering) must be protected with firefighting insulation (see fig. 36).
The distance between the fire damper and the construction (wall, ceiling) must be minimum
75 mm. 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 1366-2 paragraph 13.5.
Exceptions are given in chapter 6.
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