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Direct mounting on the ceiling, wall or floor
22 | EN
5
Direct mounting on the ceiling, wall or floor
Note!
W hen planning a duct route, note that the fittings must be at a certain
distance to the wall, on account of their fastening straps. It is therefore
not possible to mount a duct route with fittings right in the corner of a wall
or ceiling or in the corner of a room. However, corner mounting is pos-
sible for a straight route without fittings (see "5.4 Connecting joints" on
page 28).
The drill holes for ceiling, wall or floor mounting are pre-drilled in the duct
trough. The drill holes are covered by the internal fire protection coating.
Note:
T he coating must be pierced with a sharp object at the holes that are ne-
cessary for mounting. Ensure that the fastening points are arranged diag-
onally, as shown in Fig. 18 and Fig. 19 (does not apply to BSKM 0407).
5 1
Basic mounting procedure
•
Shorten ducts as necessary.
•
Open the duct lid.
•
Screw the duct to the ceiling, wall or floor, using cable clamps as
necessary.
•
Insert the cables and fix as necessary with cable ties.
•
For duct BSKM 1025: insert lid support (see "4.5 Using lid support" on
page 20).
•
Engage duct lid.
•
Mount fittings or connectors to seal joints.
•
Create the equipotential bonding using connecting screws (see "8.1
Create equipotential bonding" on page 72).
5 2
Mounting the fire protection duct on the ceiling
For ceiling mounting, we recommend attaching a cable clamp (BSKM-BD
0711 or BSKM-BD 1025) to each fastening point on fire protection duct
BSKM 0711 and BSKM 1025. The offset attachment means that the duct
can be fitted with cables from both sides in an optimum manner.
The fire protection duct BSKM 0407 is mounted without cable clamps due
to its small dimensions.
OBO Bettermann
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