2146
3
GB
2.3
FIRING RATES
(as EN 676)
In the BS4 model type 914T1, in order to guarantee the working
with an output of 220 - 246 kW, remove the blank deadening to
free the supplementary slits of the air inlet on the cover.
TEST BOILER
The firing rate has been defined according to EN 676 standard.
COMMERCIAL BOILERS
The burner-boiler matching is assured if the boiler conforms to EN 303
and the combustion chamber dimensions are similar to those shown in
the diagram EN 676. For applications where the boiler does not conform
to EN 303, or where the combustion chamber is much smaller than the
dimensions given in EN 676, please consult the manufacturers.
Pressure in the comb
ustion
c
hamber – mbar
Pressure in the comb
ustion
c
hamber – mbar
10,000
80,000
kW
10
kcal/h
2.4
0.8
0.4
0
D5205
20
30
40
50
60
70
80
90
100
1.2
1.6
2.0
20,000
30,000
40,000
50,000
60,000
70,000
2.8
50,000
kW
50
kcal/h
4.8
0.8
0
D5206
100
150
200
250
100,000
150,000
200,000
1.6
2.4
3.2
4.0
911T1
912T1
913T1
914T1
A
Thermal power
Thermal power
S7025
A
