Viessmann Vitomax HW Series Installation Instructions Manual page 18

Adjusting the burner
M92A
Boiler size
Rated heating output
Permissible combustion heating output
Flame tube dimensions
Diameter
Smooth pipe, min. internal
■
Corrugated pipe, internal
■
Corrugated pipe, average
■
Cone, min. internal
■
7
Lengths
Reversing chamber depth
Burner connections
Max. flame head
■
7
Minimum flame head length
■
Flame tube volume
Flame tube (average)
■
Flame tube and reversing chamber
■
Max. pressure drop on the flue gas side
For natural gas
■
For fuel oil EL
■
Tab. 20
Boiler size
Boiler water capacity
Tab. 21
Boiler size
Flue gas volume
Tab. 22
M94B
Boiler size
Rated heating output
For natural gas
■
For EL fuel oil
■
Permissible combustion
heating output
*12
With natural gas for
■
smooth pipe
With natural gas for corru-
■
gated pipe
With EL fuel oil for smooth
■
pipe
With EL fuel oil for corru-
■
gated pipe
*12 In accordance with EN 12953, the internal diameter of the flame tube limits the maximum combustion heating output for oil
operation.
According to EN 12953, flame tube temperature monitoring is required for a combustion heating output above 14 MW for oil
*10
combustion and above 18.2 MW for gas combustion.
18
(cont.)
d1
7
d1
7
d2
7
f
a
g
b
c
e
mbar
mbar
m 3
3
m
1
MW 7.90 8.90
MW 7.90 8.90
MW 8.73 9.83
MW 8.73 9.83
MW 8.73 9.83
MW 8.73 9.83
1 2
MW 2.10 2.50
MW 2.28 2.72
mm 856 906
mm
— —
mm
— —
mm 690 740
mm 2510 2740 3000
mm
mm
mm 520 520
mm
1.44 1.77
m 3
1.73 2.09
m 3
7.0 8.1
6.3 7.4
1 2 3
5.1 5.8 6.8
1 2 3
3.3 3.8 4.6
2 3 4
9.90 11.80 13.80
9.90 11.80 12.88
10.94 13.04 15.25
10.94 13.04 15.25
10.94 13.04 14.00
10.94 13.04 14.00
3 4 5
3.00 3.50 4.20
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
9.3 9.9 11.2
8.4 9.0 10.1
4 5
8.1 9.3 10.5
4 5
5.7 6.7
5 6 7
15.75 17.75 19.75
12.93 16.02 16.73
17.40 19.57
*
10
17.40 19.61 21.82
*
10
14.00 16.75
*
10
14.00 17.33
* 18.00
10
6 7
5.00 6.00
5.44 6.52
1131 1206
1125 1200
1175 1250
1011 1086
3860 4220
718 718
3.88 4.82
4.38 5.39
12.4 14.6
11.2 13.2
6 7
12.0
6 7
7.9 9.4
8 9
21.00
16.70
– –
23.20
* *1
10 0
– –
* 18.00 *1
10 0