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2.5 Brazier and baffle position check
Before lighting the stove make sure the brazier is in the correct position, i.e. fitted in the special slots. Also make
sure the top smoke baffle is properly fitted. A wrongly positioned baffle can result in malfunctioning and excessive
blackening of the glass.
At every stove lighting, check the correct position of the brazier on the brazier holder.
2.6 Hot air ducting
The ductable SPRINT model has a top connection of external diam. 80 mm for ducting the flow of hot air generated
by the centrifugal fan inside the stove in heat exchange with the combustion chamber walls; this connection can be
turned 90° or 180° to direct the flow on the upper or lower part of the rear wall as required.
To create the ducting system:
- use pipes with a minimum internal diam. of 80 mm able to resist temperatures of at least 150°C;
- use pipes that are smooth inside, insulated or isolated;
- reduce, as far as possible, the ducting path and the single pipe section must not be longer than 7 m;
- avoid constrictions or section reductions, tight bends and downsloping sections.
The diagrams below have been obtained at the manufacturer's lab through real tests under following conditions:
room temperature 20°C;
stove at operating speed 5, fans at 5;
ventilation ducts wit 2 curves + linear sections isolated and non isolated.
CANALIZZAZIONE ALLA POTENZA NOMINALE
Canalisation at nominal heat output
120
110
100
90
80
70
60
50
0
1
2
Lunghezza tubo di canalizzazione [m]
Canalisation pipe length (m)
A
–
hot air flow from front grille in room;
B
–
system hot air flow from top grille in room;
C
–
ducted hot air flow;
a
–
ducting external thermostat C;
b
–
stove external room thermostat;
Isolated pipe
Not isolated pipe
3
4
5
6
140
120
100
80
60
40
20
0
7
8
0
1
Canalisation pipe length (m)
51
Air capacity [m3/h]
Output pressure [Pa]
2
3
4
5
6
Lunghezza tubo di canalizzazione [m ]
SPRINT ** maiolica
7
8
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