3387
5
GB
2.3
FIRING RATES
In the 914T2 type, 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 and LRV 92 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 com-
bustion chamber is much smaller than the dimensions given in EN 676, please con-
sult the manufacturers.
Thermal power
Thermal power
Press
ure
in th
e combu
s
ti
o
n
c
h
amb
e
r – mb
ar
Pres
sure
in t
h
e comb
ust
io
n
ch
amber
–
mb
ar
4,8
1,6
0,8
0
2,4
3,2
4,0
4,8
1,6
0,8
0
2,4
3,2
4,0
-0,8
-1,6
-2,0
50.000
kW
50
kcal/h
100
150
200
250
100.000
150.000
200.000
-1,0
-2,0
50.000
kW
50
kcal/h
100
150
200
250
100.000
150.000
200.000
LRV 92
913T2
914T2
EN 676
913T2
EN 746-2
EN 746-2
914T2
S7025
