Trox FKRS-EU - Installation: Solid Walls (Dry Mortarless w; ER Block)

5.4.2 Dry mortarless installation with circular installation block ER
ØD1
∅
DN
□B
࿇
࿆
④
③
②
①
:
ุ
Fig. 8: Intallation with circular installation block
①
Circular installation block
②
Screw fixing
③
Cover plate
④
Extension piece
∅D1
Installation opening Ä Table on page 17
Ⓐ
Installation side
Ⓑ
Operating side
Personnel:

Specialist personnel
Requirements
 Performance class EI 90 S
 Solid walls or fire walls made of, for example, concrete, aerated concrete, masonry, or solid gypsum wallboards
according to EN 12859 (without open spaces), gross density ≥ 500 kg/m³ and W ≥ 100 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
Ä Table on page 17
2. Push the fire damper assembly up to the cover plate into the opening.
If the wall thickness is >115 mm, extend the fire damper on the installation side with an extension piece or a
spiral duct.
3. 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 walls > Dry mortarless installation with circular inst...
Fire damper Type FKRS-EU 17