FIRE DAMPERS
362
363
Design changes reserved
80
Installation material: Fire damper FDC25, Mineral wool >140kg/m
3
, Fire protection coating, (HILTI weichschott system)
Installation steps:
•
Recommended wall opening for fire damper installation
is
Ø
+ 400mm, but openings from
Ø
+80…600 mm
can also be used
•
Insert fire damper into wall
•
Damper blade must be closed during installation!!!
•
Space between casing and wall close with three layers
of mineral wool (density 140 kg/m
3
or more, coated
on one side)
•
Cut additional 50 mm thick rings to cover fire damper
perimeter from both sides
•
Connections of mineral wool seal with intumescent fire
resistant sealant
•
Mineral wool and damper casing must be coated with 2
mm thick fire protection coating
•
Actuator and release unit must not be coated!!!
•
Test the fire damper after the installation
Fire protection coating
Mineral wool insulation
1
2
After installation check for damper
blade mobility, preform an opening and
closing test.
3
4
Fire damper FDC25
Wall, according to table 1
Installation in a rigid wall (mortarless)
1
2
3
4
Installation steps:
•
Recommended ceiling opening for fire damper
installation is Øn+ 160mm, but openings from Øn
+80*…200 mm can also be used
(*decrease under
specified value in opening size is allowed if there is
sufficient room for seal installation)
•
Insert fire damper into ceiling and secure on ceiling face
with two hinges that are placed on the top of fire damper
casing. Hinges are used to hold only damper during
installation! (for max. distance from wall 80 mm)
•
Damper blade must be closed during installation
•
Space between casing and ceiling must be filled with
mortar, gypsum or concrete
•
Test the fire damper after the installation
•
During installation, manual or motorized mechanism
must be protected from mortar, gypsum or concrete.
After installation check for damper
blade mobility, preform an opening and
closing test.
Standard mortar or gypsum
1
2
3
Fire damper FDC25
Ceiling, according to table 1
Installation in ceiling (mortar based)
1
3
2
