22 | EN
OBO Bettermann
Mounting PYROLINE® Con D BSK on a wall/ceiling
7 3 2
90° external corner
1
K1
K2
A
A
A
Abb 11:
90° external corner duct trough mounting
1. Shorten to the duct trough
K1
to the necessary dimension, so that it
ends flush to the wall corner. Take the maximum 3 mm joint with the
sealing strip into account.
2. Stick the sealing strip
2
on the shortened front side.
3. Mount the duct trough
K1
flush with the wall corner.
4. Notch out the duct base of the duct trough
K2
, which is supposed to
continue at a 90° angle, by dimension A (inner height of duct walls).
5. Mount the duct trough
K2
in such a way that it ends flush with the oth-
er duct trough
K1
.
