BLAUBERG VENTO A50 - Maintenance; Fan maintenance; Regenerator and filter maintenance; Outer ventilation hood maintenance

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VENTO A50 / A50-1 / A50 S / A50-1 S
The unit technical maintenance consists in the periodic cleaning of the
unit surfaces and cleaning or replacement of the lters.
Remove dust with a soft brush, cloth or compressed air. Do not use water,
abrasive detergents, solvents, sharp objects.
1. Fan maintenance (once a year).
• Pull out the decorative fan grille and clean it.
• Disconnect the wires from the ventilation unit by using the connectros.
• Clean the impeller blades, g. 22. Remove dust with a soft brush, cloth
or compressed air. Cleaning with water, abrasive detergents, solvents,
sharp objects is not allowed. Clean the impeller blades at least once a
year.
2. Regenerator and lter maintenance (4 times a year).
• Remove the air ow rectier. Pull the cord to remove the regenerator
and the lters from the air duct. Do not let the regenerator fall down,
g. 23.
• Clean the lters as often as required, but at least once in three months.
To clean the lters ush those under running water or use a vacuum
cleaner, g. 24 Let the lters dry and install the dry lters inside the air
duct.
• Contact a local distributor for the lters stated above in the section
“Technical data”.
• Even regular lter maintenance may not completely prevent the dust
ingress into the regenerating unit. Clean the regenerator with a vacuum
cleaner at least once a year.
WARNING!
Disconnect the unit from power mains prior to maintenance operations!
Fig. 23. Removal of the unit components
Fig. 22. Impeller blade cleaning
Fig. 24. Cleaning of the filters and the regenerator
MAINTENANCE
3. Outer ventilation hood maintenance (once a year).
The outer ventilation hood may get clogged with leaves and other objects
that reduce the unit air capacity.
Check the outer ventilation hood twice a year and clean it as often as
required.
Cleaning of the outer ventilation hood:
• remove the upper part of the outer ventilation hood:
Fig. 25 − for the model VENTO A50 / A50-1;
Fig. 26 − for the model VENTO A50 S / A50-1 S.
• clean the outer ventilation hood and the air duct.
Fig. 25. Fig. 26