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For a correct and safe working of the heater and for its long life, the
following operations are to be carried out:
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IHHGDQGWKHIXHOIHHG
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The heat exchanger is to be kept clean by soot and incrustations, not to decrease the capacity of
the heat exchange. The cleaning is to be carried out at the end of every heating season or more
often, if the exchanger gets dirty or if the local rules foresee shorter terms. If the burner has
difficulties to start, the cause of it may be also the soot forming in the exchanger and that obstructs
the exhausting gas passage. This may depend on: draught defect, fuel of bad quality, burner with
low air delivery, different phases of ignition and switching off within short time. To clean the
exchanger operate as follows:
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Remove the frontal panel and the cover of the flue box (2).
Remove turbolators from the pipes and clean them inside.
Collect the soot on the front side, so avoiding its fall in the
combustion chamber, before putting the cover of the flue
box again, control if the gasket in fibre glass is integral,
otherwise replace it with another one of the same measure
and feature. Remove the pipe on the pipe fitting to
chimney (8) and clean the back flue box (9).
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Take away the burner from its anchor plate (4).
Clean the external walls from soot and incrustations.
Control that the combustion chamber hasn’t born damages.
Control that the gasket of the burner supporting plate and the 4 gaskets on the
combustion chamber door are in good conditions, otherwise replace them with gaskets of
the same material.
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The humidity in the soot means that the exhaust gas condense and corrode the heat
exchanger; so avoid this defect. The exhaust gas temperature is required to be always
higher than the one of the condensate point.
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The filter is an optional accessory.
A dirty filter reduces the air passage, so increases the outlet temperature and decreases
the thermal exchange and the heater yield. So it’s very important to clean the filter at least
once a day. For the cleaning operate as follows:
½
Remove the filter from the filters box.
½
Shake it and leave the thicker dust falling.
½
Blow the filter with counter current compressed air.
½
Periodically, for a more accurate cleaning, wash the filter in lukewarm water with
detergent; dry and put the filter in its seat again.
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After washing it three times, the filter is to be replaced with a new one having
the same features.
18
Summary of Contents for AS EX
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