Ceiling installation, lower part of housing
6 | Lower part of housing |
7 | Cable grommet |
10 | Metal connection socket with shut-off device |
10.3 | Fixing screw, to be provided by the customer |
12 | Main duct (steel folded spiral-seams duct) |
22 | Connection duct: steel folded spiral-seams duct. For ceiling barrier system or ventilation ducts without fire protection, flexible aluminium duct. |
25 | Steel blind rivets (3 items / 120°), to be provided by the customer |
31 | Fixing screw (to be provided by the customer) |
32 | Power cable |
33 | Dowel (to be provided by the customer) |
34 | Housing seal |
Risk of incorrect installation if non-permitted mounting material is used.
- Only secure connection duct to ceiling with permitted mounting material (duct clamp or clamping band).
Prescribed mounting material
| Steel screw | Steel dowel |
|---|---|---|
Masonry or concrete | ● | ● |
Panel building materials | ● |
|
- Install lower part of housing on ceiling as described in “Wall installation” chapter.
It is essential that the hazard notes in: Mounting preparations are observed.
It is essential that the safety instructions for the shut-off device or shutter are observed: Safety instructions for installation of the fire protection shut-off device
- Check ease of movement of shut-off shutter/backflow preventer. When installed, the shut-off shutter/backflow preventer must close automatically.