SE_20200507_HTE 400_M
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HT400 Rectangular fi re damper - UNI EN 1366-2 Certifi ed - UNI EN 13501-3 Classifi ed
1) Check the condition of
the intumescent seal.
If the seal is damaged the damper
must be replaced.
2)
Access the ducting via the inspection
hatch installed on the operational side
of the damper.
If the size of the ducting is > 2000 x 800 mm the net space must be split into N separate sections in which a damper
will be installed.
Each damper must be installed in accordance with the instructions provided in section 2 on
“individual damper
installation”
.
The installation is only suitable if the following minimum spacing is observed:
A
200 mm between dampers installed in separate ducts..
B
75 mm between dampers and construction elements (walls/fl ooring).
3.3
Special case:
installation in ducting with dimensions > 2000 x 800 mm