Riello BS1D Installation, Use And Maintenance Instructions page 38

2.3 FIRING RATES
915T1 - EN 676
2,8
2,4
2,0
1,6
1,2
0,8
0,4
0
10 20
D6295
10.000
917T1 - EN 676
4,8
4,0
3,2
2,4
1,6
0,8
0
50
D6294
50.000
A
In the BS4D model type 918T1, 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 dia-
gram EN 676. For applications where the boiler does not conform to
EN 303, or where the combustion chamber is much smaller than the dimen-
sions given in EN 676, please consult the manufacturers.
3034
915T1 - LRV 92
30 40
20.000 30.000 40.000
917T1 - LRV 92
100
100.000
916T1 - EN 676
50 60 70
50.000 60.000
918T1 - EN 676
150 200
150.000
4 GB
916T1 - LRV 92
EN 303
80 90 100 kW
70.000 80.000 kcal/h
Thermal power
918T1 - LRV 92
EN 303
A
250 kW
200.000 kcal/h
Thermal power
S7025