Wolf CGB-75 Installation And Operating Instructions Manual page 52

Concentric balanced flue, horizontal C13x, C83x and B33
and flue on an external wall C53x (examples)
3a
Horizontal balanced flue routed through pitched roof
5
2
C13x
without internal pipe
18 6
21 Flue pipe DN110
500 mm
1000 mm
2000 mm
22 Bend 87° DN 100
23 Spacer
24 Duct cover
25 Air inlet pipe Ø 110 mm
26 Air pipe Ø 160 mm
52
28. Technical information
5 4
3a
5
Flue routed along external wall
3a
2
1
C53 x B33
3a
5
C83x
180
Dormer
(on site)
16
17
4 5
5
2
(only where
required)
Recess Ø 120 mm in
chimney side. Install the
flue in the side of the
chimney and ensure it is
airtight.
5
2
Install the horizontal flue with a fall 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 for room sealed operation
according to TRGI 150 cm² or 2 x 75 cm².
15
5
14
5
13
16 16
4
16
4 5
15
5
5
13
24
15
19
20
19
20
16
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