Type C Installation; Type B Installation - Accorroni MEC25-85 Technical Information

Top view
Top view
Terminals far apart and
located on different walls
Side view
Exhaust directly through
the external wall
Type C
12
The combustion circuit is
hermetically sealed with
respect to the environment.
The ducts pass directly
through the outside wall of
the room, with terminals
close to each other.
Type C
52
The combustion circuit is
hermetically sealed with
respect to the environment.
Both types of ducts are
connected to the outdoors,
but their terminals may also
be located on walls not in
the room.
Type B
22
Open combustion circuit
with combustion air taken
from within the environment.
In this case the correct
amount of combustion air
must be guaranteed by
means of suitable opening
in the walls.
page 24
Side view
Side view
Wall exhaust and discharge
above the roof of the building
Side view
Vertical exhaust above
the roof of the building
Minimum
20 cm
8 cm
Fig. 19
Fig. 20
Fig. 21