
WARNING
Always ensure that
L
is less than
Lmax
.
For the list of flue gas system accessories and the equivalent lengths,
refer to the current price list.
5.6.2.
Connections for the air and exhaust pipes -
Single flow (chimney) - Type B
n
Classification
Lmax
Lmax
Lmax
Lmax
C003176-E
B23
1
2
2
3
B23P
B23P
B23P
1
Configuration B
23
Connection to a chimney under negative pressure
(combustive air taken from the boiler room).
2
Configuration B
23P
-
Top outlet
Connection to a chimney under pressure (combustive air
taken from the boiler room).
3
Configuration B
23P
-
Bottom outlet
Connection to a chimney under pressure (combustive air
taken from the boiler room).
WARNING
4
Only factory components are authorised for
connecting the boiler and the terminal.
4
The clear section must comply with the
standard.
4
The chimney must be swept before the
installation of the evacuation conduit.
5. Installation
AFC 18 - AFC 24 - AFC 30
52
09/07/2015 - 300026439-07