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Operation and Maintenance Manual - EN
5. Requirements for chimneys, flues and other boiler parts
during operation with pneumatic burner cleaner
Chimneys
All requirements are identical to the requirements detailed in the boiler operation manual.
Flue way
Principle requirements are identical to the requirements detailed in the boiler operation manual.
You should be aware, however, that during pneumatic cleaning of the burner, e
xpansion of compressed
air takes place
in the burner and boiler combustion chamber. As such, you need to
secure the flue
from falling out of the chimney
and falling from the boiler neck. The flue must be mechanically
affixed to the boiler neck with a pin or screw. Similarly, other parts such as elbows or extensions
should be
carefully secured
to each other at joints.
You should also ensure that
ash and dust is not blown out of flue joints between the boiler and
chimney
during pneumatic cleaning. As such, all joints and flue outlets should be tightened with an
aluminium strip, putty or other similar method.
WARNING
– When using draught limiter placed on the flue way between the boiler and
the chimney is not permitted to use the type for the open double flap out of the flue way
(explosive type) because of possible dusting into the boiler room. If required, install draught
limiter into the cleaning hole at the foot of the chimney.
Tightening the flue with an aluminium tape
Securing the flue with a screw