4 | Technical information
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M1820921_en | Installation instructions Dual fuel boiler SP Dual compact
4.3.2 Boiler data for planning the flue gas system
The chimney design data is the same as the values of the S1 Turbo firewood boiler.
Description
SP Dual compact
15
20
Flue gas temperature at nominal load
°C
150
170
Flue gas temperature at partial load
°C
120
130
CO
2
- volume concentration at nominal load/partial load
(firewood operation)
%
12.3 / -
CO
2
- volume concentration at nominal load/partial load
(pellet operation)
%
10.8 / 10.8
Flue gas mass flow at nominal load
kg/s
0.010
0.013
Flue gas mass flow at partial load
kg/s
0.006
0.007
Minimum feed pressure at nominal load
Pa
8
mbar
0.08
Minimum feed pressure at partial load
Pa
8
mbar
0.08
Maximum permissible feed pressure
Pa
30
mbar
0.3
Flue pipe diameter
mm
129
