Wolf CGB-75 Installation And Operating Instructions Manual page 47

Air/flue gas routing
Design variants
B23 Flue in a duct and combustion air
directly via the boiler (open flue)
B33 Flue in a duct with horizontal
concentric connection pipe (open flue)
B33 Connection to a moisture-resistant flue chimney with horizontal
concentric connection pipe (open flue)
C13x Horizontal concentric roof outlet through a pitched roof,
(room sealed - on-site dormer)
C33x Vertical concentric roof outlet through a pitched roof
or flat roof (room sealed)
C43x Connection to a moisture-resistant balanced flue chimney (LAS flue )
Maximum pipe length from the centre of the boiler bend to the connector 2 m (room
sealed)
C53 Connection to the flue in a duct
and ventilation air line through an external wall (room sealed)
C53x Connection to a flue on an external wall (room sealed/balanced flue)
C83x Connection to the flue in a duct and
ventilation air through an external wall (room sealed)
C83x Concentric connection to a moisture-resistant chimney
and combustion air through an external wall (room sealed)
C93x Vertical flue for installation in a duct rigid/flexible
with horizontal concentric connection line
Available fan draught: CGB-75 12-145 Pa, CGB-100 12-200 Pa
1)
(The maximum length corresponds to the total length from the appliance to the flue terminal)
Expansion in the duct from DN 110 to DN 160
2)
Note: Systems C 33x and C 83x are also suitable for installation in garages.
Where necessary, adapt the installation examples to the relevant building regulations and requirements in your country/region.
Discuss any questions relating to the installation of inspection covers and ventilation apertures with your local flue gas inspector.
The length dimensions for a concentric balanced flue and flues relate exclusively to original Wolf components.
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28. Technical information
Maximum length
CGB-75
DN 110 50
DN 110 47
DN110/160 50
2)
Calculation to EN 13384
(balanced flue manufacturer)
DN110/160 16
DN110/160 15
Calculation to EN 13384
(balanced flue manufacturer)
DN 110 50
DN110/160 50
2)
DN 110 50
DN 110 50
DN110/160 50
2)
Calculation to EN 13384
(balanced flue manufacturer)
DN 110 21
DN110/160 29
2)
[m]
1)
CGB-100
47
35
50
13
12
40
50
38
40
50
21
33
47