5.5.2
Dry mortarless installation with circular installation block ER
Fig. 12: Dry mortarless installation into solid ceiling slab, suspended or upright
①
Installation block
②
Screw fixing
③
Cover plate
∅D1
Installation opening
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Table on page 23
Ⓐ
Installation side
Ⓑ
Operating side
Personnel:
Specialist personnel
Requirements
Performance class EI 90 S
Solid ceiling slabs without open spaces, made of concrete or aerated concrete, gross density ≥ 600 kg/m³ and
D ≥ 150 mm
≥ 75 mm distance between installation block and load-bearing structural elements
200 mm minimum distance between two installation blocks
1.
Create an appropriate opening with ØD1
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Table on page 23
2. Push the fire damper assembly up to the cover plate into the opening.
3. Extend the fire damper on the installation side with an extension piece (either attachment or supplied by
others).
4. Fix the cover plate with at least four M6 screws. For solid walls and solid ceiling slabs, suitable steel anchors
with building inspectorate approval must be used.
Dimensions of installation opening/cover plate [mm]
Nominal size 100 125 150 160 180 200 224 250 280 315
ØD1 200 250 250 250 300 300 350 350 400 400
☐B 250 300 300 300 350 350 400 400 450 450
Installation opening tolerance + 2 mm
Installation
Solid ceiling slabs > Dry mortarless installation with circular inst...
Fire damper Type FKRS-EU 23
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