15Installation
3. Mounting the fastening proles for the upper sealing plates:
• If not done already in step 1, mark the position of the outmost fastening holes for the fastening of
the leftmost and rightmost fastening proles for the upper sealing plates “D” on the duct ceiling
using the bended drilling template.
• Fix both fastening proles to the duct ceiling via the marked hole using a self-tapping screw 6.3 x
25 mm. Then, align both fastening proles to each other using a cord. When aligned, x the two
fastening proles to the duct ceiling using self-tapping screws 6.3 x 25 mm.
• Fix the remaining fastening proles evenly allocated over the duct with and ush to the rst
mounted fastening proles to the duct ceiling using self-tapping screws 6.3 x 25 mm.
Abb. 5: Mounting the fastening proles for the upper sealing plates
To Next Page
Loading...
