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3.8
Firing rates
The maximum output is chosen within area A) of the diagram
(Fig. 2).
The minimum output must not be lower than the minimum limit
of the diagram.
14
13
12
11
10
-1
-2
kW
Mcal/h
3.9
Test boiler
The burner/boiler combination does not pose any problems if the
boiler is EC approved and its combustion chamber dimensions
are similar to those indicated in the diagram (Fig. 3).
If the burner must be combined with a boiler that has not been EC
approved and/or its combustion chamber dimensions are clearly
smaller than those indicated in the diagram, consult the manufac-
turer.
Technical description of the burner
9
8
7
6
5
4
3
2
1
0
700
900
300
500
200
400
600
WARNING
A
1500
1300
1700
1100
1000
1400
800
1200
Thermal power
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.
9
GB
The firing rate (Fig. 2) was obtained considering a
room temperature of 20°C and an atmospheric
pressure of 1013 mbar (approx. 0 m above sea
level), with the combustion head adjusted as
shown at page 18.
20182859
1900
2100
2300
1600
1800
2000
Fig. 2
D715
Fig. 3
20171664
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