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extensions is:
Coaxials Ø 80/125 mm
(Roof outlet)
M290E.24CM
For lengths
between 0.5 m and 2.0 m
For lengths
between 2.0 m and 6.5 m
For lengths
between 6.5 m and 8.5 m
M290E.28CM
For lengths
between 0.5 m and 1.0 m
For lengths
between 1.0 m and 6.5 m
For lengths
between 6.5 m and 8.5 m
M290E.32CM
For lengths
between 0.5 m and 1.0 m
For lengths
between 1.0 m and 6.0 m
For lengths greater than 1 metre, install
the condensate collection fitting
Figure 5.16
The diaphragm must be inserted
or removed following the in-
structions provided in this sec-
tion. The diaphragm must be
positioned as shown in Figure
5.7.
Coaxial Ø 80/125 mm 90° and 45° elbows
are available that reduce the total max.
length of the ducts by:
For a 45° elbow loss
For a 90° elbow loss
For lengths greater than 1 me-
tre, install the condensate col-
lection fitting.
- 34 -
INSTALLATION
Outlet kit TYPE B
This type of flue gas outlet extracts the nec-
Diaphragm
essary combustion air from the same room
as the boiler is installed in; the combustion
products must be released outside and the
outlet pipe can be through the wall or a
Ø 38 mm
chimney.
Ø 47 mm
None
Ø 38 mm
For proper operation, the minimum neces-
Ø 47 mm
sary air exchange must be 2 m
kW of heat input.
None
Ø 41 mm
None
0.5 m
1 m
Figure 5.17
(Figure 5.17)
22
There must be a suitable air in-
take in the room where the boil-
er is installed for the supply of
combustion air and for room
ventilation.
B
22
/h for each
3
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