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English
INSTALLER
MAINTENANCE
The following maintenance interventions must only
be carried out by the installer or by qualified per-
sonnel:
• Inspect the filters and clean them if necessary;
• Inspect the heat exchanger and clean it if necessary;
• Inspect the fans and clean them if necessary;
• Check the condensate drain once every two years.
The following paragraph have a short description of
the maintenance interventions.
PLEASE NOTE: If maintenance is not carried out
regularly, the ventilation system might not work
properly.
• Check the heat exchanger
Check the heat exchanger once every two years.
Always disconnect power before accessing
the unit.
• Open the front panel
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• Unscrew the front panel and remove it.
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