4.7
Firing rates
The burner output is chosen from within the diagram area (Fig. 3
and Fig. 4).
The firing rates (Fig. 3 and Fig. 4) were obtained
at an ambient temperature of 20 °C, at a baromet-
ric pressure of 1013 mbar (about 0 m a.s.l.) and
with the combustion head regulated as indicated
WARNING
on page 18.
Only for the BS4D model
To ensure operation with a burner output from 220
249 kW, remove the pre-cut soundproofing to
WARNING
free the additional air input slots on the cover (see
A Fig. 4).
2,40
2,20
2,00
1,80
1,60
1,40
1,20
1,00
0,8
0,6
0,4
0,2
0
-0,2
-0,4
10
2,8
2,4
2
1,6
1,2
0,8
0,4
0
-0,4
30
35
Technical description of the burner
15
20
25
40
45
50
BS1D
30
35
Heat output
BS2D
55
60
65
Heat output
11
GB
S7025
20141027
40
45
50
70
75
80
Fig. 2
kW
55
20141033
kW
85
90
95
Fig. 3
20135737