74
caldaie
5 air + 5 fumes
20 air + 20 fumes
45°
90°
0,5 0,85
outside and without which the appliance will not be able to
work.
Figure 7.11 gives the boiler seen from above with the reference
dimensions for distance between centres of fumes evacuation
and combustion air inlet, in respect of the boiler supporting
plate.
Up to 1 Installed
45° 90°
7.6.1 Coaxial flues
Fig. 7.12 shows the reference dimensions for tracing the Ø
105 mm hole through the wall in respect of the boiler supporting
plate.
The boiler may be eventually connected to coaxial evacuation/
intake flues, with the fumes flange (5 - Fig. 7.13) installed and
air vents (6 - Fig. 7.13) closed.
Flange fumes is fitted under pressure. Take care in
extracting it and use a screwdriver.
Coaxial evacuation may be directed towards any part of the
premises according to need, complying with procedures and
lengths given in the table.
* for installation of C22 type only
7.6.2 Separated flues
Figure 7.14 gives the reference dimensions for tracing out
the Ø 85 mm. holes through the walls in respect of the boiler
supporting plate.
Fig.7.11
Fig. 7.12
Fig. 7.13
Length of flues
(meters)
Fumes flange
Ø 44
Load loss for
each curve (meters)
!!
Fig. 7.14
Fig. 7.15
The table gives the tolerated rectilinear length.
!!
Flange fumes is fitted under pressure. Take care in
extracting it and use a screwdriver.
0,5 0,85
From 1 to 3,30 max (*)
from 1 to 4,25 max
Non installed
Installed
Length of flues
(meters)
Fumes flange
Ø 44
Load loss for
each curve (meters)
Non installed
To Next Page
Loading...
