Wolf CGB-11 Installation Instructions Manual page 62

Connection to a flue gas chimney (examples) DN60/100
Connection to a moisture-resistant flue gas chimney
B33
Install flue gas chimney connections with air apertures directly
on the flue gas chimney in accordance with the diagram shown,
so that all components of the flue gas path are surrounded by
combustion air.
The air vents to the boiler room must be free from
obstruction.
The flue gas chimney must be tested for suitability. Apply
0 Pa when calculating the chimney draught. Obtain the flue
outlet from the chimney manufacturer, if required, to safeguard
the connection conditions.
Supplementary installation instructions for balanced flue DN60/100
Flat roof: Affix the ceiling outlet approx. Ø 130 mm (7) to the
roof cover.
Pitched roof: At (6), observe the installation instructions on the
cowl, regarding roof pitches.
Insert the roof outlet (5) from above through the roof and secure
vertically with the fixing bracket to a rafter or brickwork.
Install the roof outlet only in its original condition. Modifications
are not permissible.
Fixing bracket
If an inspection aperture is required for the balanced flue, insert a
balanced flue with inspection aperture (2) (200 mm length).
62
Design information
6
5
7
Connection to a moisture-resistant flue with two or
multiple draught chimneys (duct)
Extend chimneys for solid
fuel or liquid fuels at least
to the height of the plastic
pipe
Inform your local heating engineer prior to installation.
4
8
Distance A
10
Distance A
9
Determine distance A. Balanced flue length (4) always 100 mm
longer than distance A.
Always trim the flue on the smooth side, never on the coupling side.
Chamfer the flue after trimming.
All metal cowl from the
Wolf product range
System made from poly-
propylene up to 120 °C,
EC designated
8
Offset
Bends Offset
87° min. 170 mm
45° min. 73 mm
4 10
4 10
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