Wolf CGB-75 Assembly And Operating Instructions Manual page 46

Horizontal concentric balanced flue C13x, C83x and B33
and flue on an external wall C53x (examples)
3a
Horizontal balanced flue routing through a pitched roof
5
2
C13 x
without internal pipe
18 6
21 Flue pipe DN 110
500 mm
1000 mm
2000 mm
22 Bend 87° DN 100
23 Spacer
24 Cowl
25 Air inlet pipe Ø 110 mm
26 Air pipe Ø 160 mm
46
Design information
5 4
3a
5
Flue on an external wall
3a
2
1
C53 x B33
3a
5
C83 x
180
Dormer
(on site)
16
17
4 5
5
2
(where required)
120 mm Ø opening in
the chimney side. Install
the flue airtight into the
chimney side.
5
2
Install the horizontal flue with a slope of approx.
1
3° (6 cm/m) towards the boiler. Route the
horizontal air supply with a 3° slope towards
the outside – install the air inlet with a cowl;
permissible wind pressure at the air inlet 90 Pa.
The appliance will not operate with higher wind
pressure. Downstream of the support bend, the
flue Ø 110 mm or the flexible flue DN 110 can
be routed in a duct.
Ventilation air aperture in balanced flue operation
15
5
14
5
13
16 16
4
16
4 5
150 cm² or 2 x 75 cm².
15
5
5
13
24
15
19
20
19
20
16
3062555_201507