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3.7
Firing rates
The burners can operate in two modes:
one-stage or two-stage.
The MAXIMUM OUTPUT is selected from within area A (Fig. 2).
The MINIMUM OUTPUT must not be lower than the minimum
limit of the diagram:
RS 68 BLU = 150 kW
RS 120 BLU = 300 kW
RS 68 BLU
3.8
Test boiler
The firing rates were set in relation to special test boilers, accord-
ing to EN 676 regulations.
In Fig. 3 you can see the diameter and length of the test combus-
tion chamber.
Example:
Output 756 kW: diameter = 60 cm; length = 2 m.
Technical description of the burner
RS 120 BLU
WARNING
Thermal power - kW
Thermal power - kW
9
GB
The firing rate value (Fig. 2) has been obtained
considering an ambient temperature of 20 °C, an
atmospheric pressure of 1,013 mbar (approx. 0 m
a.s.l.), and with the combustion head adjusted as
shown on page 18.
D2373
Fig. 2
20194185
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