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Adjusting the burner
Boiler size
Combustion chamber volume
(min. values)
Flame tube
■
Flame tube and reversing cham-
■
ber depth
Max. pressure drop on the flue
gas side
For natural gas
■
For EL fuel oil
■
M82A
Boiler size
Rated heating output 110 °C
For natural gas
■
For EL fuel oil
■
Rated heating output 120 °C
For natural gas
■
For EL fuel oil
■
Permiss. combustion heating output
110 °C
For natural gas
■
For EL fuel oil
■
Permiss. combustion heating output
120 °C
For natural gas
■
For EL fuel oil
■
Flame tube dimensions
Diameter
Smooth pipe, min.
■
internal
7
Corrugated pipe, in-
■
ternal
7
Corrugated pipe,
■
average
7
Cone, min. internal
■
7
Lengths
Reversing chamber depth
Burner connections
Max. flame head
■
7
Minimum flame head length
■
Combustion chamber volume (aver-
age value)
Flame tube
■
Relative to flame tube length a and re-
■
versing chamber depth b
Max. pressure drop on the flue gas
side, 110 °C
20
(cont.)
m
3
3
m
mbar
mbar
MW
MW
MW
MW
MW
MW
MW
MW
10 bar
d1
mm
16 bar
d1
mm
16 bar
d2
mm
f
mm
a
mm
g
mm
b
c
mm
e
mm
m
m
3
4
5.82
7.44
9.24
6.37
8.08
9.99
12.4
14.8
13.8
8.9
9.4
8.0
1
2
2.10
2.50
2.10
2.50
2.10
2.50
2.10
2.50
2.28
2.72
2.28
2.72
2.28
2.72
2.28
2.72
856
906
–
–
–
–
690
740
2510
2740
3000
520
520
3
1.44
1.77
3
1.73
2.09
5
6
7
11.32
13.74
12.17
14.71
14.4
16.1
7.7
8.2
3
4
5
3.00
3.50
4.20
3.00
3.50
4.20
3.00
3.50
4.20
3.00
3.50
4.20
3.26
3.80
4.57
3.26
3.80
4.57
3.26
3.80
4.57
3.26
3.80
4.57
981
1031
1081
1025
1075
–
1075
1125
–
811
911
911
3240
3540
800
500
590
590
590
360
2.27
2.70
3.25
2.65
3.12
3.71
8
9
16.42
18.52
17.52
19.72
17.6
18.1
9.3
9.1
6
7
5.00
6.00
5.00
6.00
5.00
6.00
5.00
6.00
5.44
6.52
5.44
6.52
5.44
6.52
5.44
6.52
1131
1206
1125
1200
1175
1250
1011
1086
3860
4220
710
710
3.88
4.82
4.38
5.39
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