
4,28,(100)
1
30
31
32
29
6
7
8
26,29
27,28,29
≥45°
18
29
Y
3
Y
1
Y
2
X
Y
1
(min. - max.)
X
(min. - max.)
Y
1
+ Y
2
+ Y
3
(min. - max.)
Flue gas restriction plate width
Concentric connection on the appliance is
Ø100-Ø150 mm
1.0 - 11.0 m
0 - 3.0 m
1.0 - 11.0 m
-
Caution:
Make sure that Y
1
+ Y
2
+ Y
3
is at least 2 times larger than X.
Roof outlet using an flexible Ø100 mm liner and flexible Ø150 mm liner in an existing
unsound lined chimney.
4.4.2
Possibilities for a concentric flue system with a wall outlet
Install the wall outlet in the correct position as shown in the figure. The centre of the inner
pipe must be positioned above the centre of the outer pipe.
Requirements
Smart Bell 75-55
15