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Installing the burner
CE
Fig. 16
a Max. flame head diameter
b Clearance
If clearance b
50 mm, use insulation rings
>
erwise use filler material
1. For burner connection, secure burner plate
the boiler flange with screws.
2. Secure the burner to the burner plate with screws.
Note
For differing dimensions, trim the cut-out in the
thermal insulation according to the flame head
diameter.
Adjusting the burner
The information and values in the tables relate to the
following general conditions:
■
O
content in dry flue gas
2
–
For natural gas: 3.0
%
For EL fuel oil: 3.0
–
%
■
Flow/return temperature: 80/60 °C
100
load
■
%
M148
Boiler size
Rated heating output
110 °C
For natural gas
■
For EL fuel oil
■
Permiss. combustion
heating output 110 °C
For natural gas
■
For EL fuel oil
■
Flame tube dimensions
Diameter
Flame tube, min.
■
internal
7
(cont.)
, oth-
C
.
E
B
by vol.
by vol.
1
2
MW
0.65
0.85
MW
0.65
0.85
MW 0.71
0.93
MW 0.71
0.93
d1
mm
678
726
3. If required, fill the annular gap between burner
head and thermal insulation with heat resistant
filler material (standard delivery).
Note
Thermal insulation blocks and loose thermal insu-
lation are supplied either inside the reversing
chambers of the boiler doors or inside the flame
tube.
4. Close the boiler doors and inspection port at the
back of the boiler.
Installation information "Insulation for burner
entry point"
Burner operating and service instructions
Connection and wiring diagrams
to
■
Installation altitude: < 500 m above sea level
■
Combustion air temperature: 25 °C
Applicable to M62C:
■
O
content in dry flue gas
2
For natural gas: 2.1
–
–
For EL fuel oil: 2.7
3
4
5
1.10
1.40
1.80
2.30
1.10
1.40
1.80
2.30
1.21
1.54
1.98
2.53
1.20
1.53
1.97
2.51
799
847
895
966 1064 1139 1212 1310
by vol.
%
by vol.
%
6
7
8
9
2.90
3.50
4.20
2.90
3.50
4.20
3.19
3.85
4.62
5.49
3.17
3.83
4.59
5.46
A
B
5.00
6.00
5.00
6.00
6.59
6.56
1383
17
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