Vortice VORT PROMETEO HR 400 Betriebsanleitung Seite 35

ENGLISH
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Clean the filters using a vacuum cleaner; it is preferable
to replace the filters after a few cleanings and in any
case at least once a year.
Reinstall the filters (fig.33,34,35)
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Heat exchanger
The heat exchanger does not usually require regular
cleaning. The frequency of cleaning is determined by
the level of air pollution (in input and output from the
home) and the state of efficiency of the filters.
The heat exchanger should in any case be replaced
every 6 years, even if the filters have been subjected to
regular maintenance.
To access the exchanger follow the instructions below:
disconnect the appliance from the mains power
supply
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