Rectangular fire damper - TROX - #9

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9 Installation Details Fig. 3.1 Minimum distance between two fire dampers 150 mm. * Optional back stop plate  to simplify installation (see order code page 16). ** Ventilation duct connections are only permitted using flexible connectors or flexible ventilation ducts (see pages 10 and 11). Fig. 3.2 
H/B H + 70 / B + 70 185 W 100     H/B s H + min. 80 / B + min. 80 185 W 100 X ** see Fig. 3.1   185 X  Angle
Installation block, galvanised sheet steel  Back stop plate, galvanised sheet steel  Fire rated partition wall (wall construction according to the particulars of the manufacturer) Perimeter strip (according to the wall construction) Chipboard screws, L 40 mm (supplied by others)  Chipboard screws, L 60 mm (supplied by others) Figure 3.1 Wall thickness W 100 mm, wet installation Figure 3.2 Wall thickness W 100 mm, dry installation with installation block Installation in lightweight partition walls without metal supports and L90-walls Installation – also with vertical rotation axis of the damper blade – in at least 40 mm thick fire rated partition walls made of calcium silicate boards without metal supports and walls with L90-ventilation ducts according to test certificate details. Completely fill gap “s” with Group II or III mortar, DIN 1053, with concrete, with approved fire protection mortar or plaster mortar. During installation the fire damper must not be deformed as this can cause impairments of the function. Ventilation duct connections are only permitted using flexible connectors or flexible ventilation ducts. s = min. 40 mm all-side Minimum distance between two fire dampers 150 mm. *