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Maintenance
2. MAINTENANCE
DISCONNECT THE VENTILATOR
FROM POWER SUPPLY PRIOR TO
ANY MAINTENCE OPERATIONS.
Maintenance of the ventilator means regular
cleaning of the ventilator surfaces of dust and
cleaning or replacement of the filters.
Loose the nut and pull the ventilator to remove.
Clean the impeller blades. To remove dust use a
soft brush, doth or a vacuum cleaner. Do not use
water abrasive detergents, solvents, sharp objects.
The impeller blades must be cleaned once in year.
Remove the air flow rectifier Remove the filter in
front of the regenerator.
Pull the exchanger cord to remove from the air
duct.
Be careful while pulling the Excharger
to avoid damage.
Remove the filter after the
exchanger.
1. Fan maintenance (once per year).
2. Regenerator and filter maintenance
(4 times per year).