12
Ø c
ee
Fig. 6
c Max. flame head diameter
e Minimum flame head length (table 4)
Separate burner instructions,
connection and wiring schemes
as well as operating and service
instructions.
1.
For the burner connection, secure the
burner plate to the boiler flange with
screws.
Note
If the burner plate was not pre-drilled
at the factory, drill the burner fixing
holes into the burner plate and cut out
the flame head aperture.
2.
Secure the burner to the burner plate
with screws.
Note
For different dimensions, adjust the
cut-out in the thermal insulation
according to the flame head diame-
ter.
3.
After mounting the burner, seal the
annular gap between the flame head
and the thermal insulation block with
heat-resistant insulation material.
Note
Thermal insulation blocks and loose
thermal insulation are supplied either
inside the reversing chambers of the
boiler doors or inside the flame tube.
4.
Close the boiler doors and cleaning
aperture at the back of the boiler.
Note
Check for gas tightness.
Mounting the burner
5727 521 GB
