Adjusting The Burner - Viessmann Vitomax HW Series Installation Instructions Manual

Installing the burner
A B
Fig. 6
Installation information "Insulation for burner
entry point"
CE
Fig. 7
a Max. flame head diameter
b Clearance
If clearance b 50 mm, use insulation rings
>
erwise use filler material

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: 120/80 °C
■ 100 load
%
14
(cont.)
.
E
by vol.
%
by vol.
%
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.
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
, oth-
C
■ Installation altitude: < 500 m above sea level
■ Combustion air temperature: 25 °C
Applicable to M72B:
O content in dry flue gas
■
2
For natural gas: 2.1
–
– For EL fuel oil: 2.7
by vol.
%
by vol.
%
to
B