Trox FKRS-EU - Installation: Solid Walls (Dry Mortarless w; WA Frame); Requirements for WA Frame Installation

5.4.4 Dry mortarless installation with wall face frame WA
ØD2
□ B2
W
≈100
220
∅
DN
࿇
࿆
③
② ①
Fig. 10: Installation with wall face frame
①
Wall face frame
②
Screw fixing
③
Extension piece
∅D2
Installation opening Ä Table on page 20
Ⓐ
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 to load-bearing structural elements
 200 mm minimum distance between two fire dampers
1.
Create an appropriate opening with ØD2 Ä Table on page 20
2. Extend the fire damper with an extension piece or a spiral duct on the installation side.
3. Position the fire damper with the wall face frame in the centre of the installation opening.
4. Fix the wall face frame with four threaded rods M8 (push through installation) or with anchors. For solid walls,
suitable steel anchors with building inspectorate approval must be used.
Dimensions of installation opening/wall face frame [mm]
Nominal size 100 125 150 160 180 200 224 250 280 315
ØD2 130 155 180 190 210 230 254 280 310 345
☐B2 200 225 250 260 280 300 324 350 380 415
Installation opening tolerance -20 mm / 2 mm
Installation
Solid walls > Dry mortarless installation with wall face fra...
Fire damper Type FKRS-EU20