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of surfaces, these washouts may be opened and cleaning may be performed only
after the boiler has been shut down.
Fig.13. Boiler cleaning diagram.
Cleaning may only be performed on boilers that were shut down
before.
In case of heavy contamination of the boiler, chemical agents removing
boiler deposits may be used, but only such, which are allowed on the market (i.e.
with CE mark and instructions of use).
Combustion gases leaving blocked chimney are dangerous. The
chimney and the conduit shall be kept clean; they shall be cleaned
before each heating season.
The air distribution system has been designed so that it autonomously
cleans itself during operation. However after the heating season ends, it is
necessary to check whether nozzles are not clogged (cleaning to be performed
from the combustion chamber side) and whether air ducts are not clogged (in
particular their outlets into the ash pan chamber). It is also necessary to unscrew
