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6.
OPErATIOn
The heating system must be suitably operated so as to ensure optimal combustion with reduced atmospheric emissions of carbon
dioxide, unburnt hydrocarbon and soot, as well as to avoid damage to persons or property.
Guideline combustion values:
FUEL
Gas
Diesel-oil
Naphta
The diagram below indicates the boiler output in relation to the flue and air temperature and the percentage of carbon dioxide
(%CO
), without, however, considering dispersion through the boiler casing.
2
Example:
DIESEL-OIL
Fuel
Ambient temperature
20 °C
13%
%CO
2
Output
91.4%
fig. 20
Legend:
Tf
Flue temperature in chimney °C
Ta
Room temperature °C
Go
Diesel-oil
Ho
Naphta
G
Gas
Pressure must be within the values specified in the technical data table.
%CO
2
10
13
13.5
350°
300°
250°
200°
150°
Flue temperature
190°C
195°C
200°C
8
9 10 10,5 11
7
% CO
0 – 20 ppm
10 – 80 ppm
50 – 150 ppm
86
12
84 84
87
85 85
13
88
86 86
14
89
87 87
15
16
88 88
90
89 89
91
90 90
92
91 91
93
92 92
94
93 93
94 94
25
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