Technical Maintenance - Vents VKM EC Series User Manual

VKM EC
MAINTENANCE
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS!
Technical maintenance means regular cleaning of the unit surfaces of dust. Use a soft brush or compressed air to remove dust.
Clean the impeller blades at least every 6 months.
Installation of an air filter prolongs the interval between the cleaning. To perform the cleaning first remove the screws and the fan cover.
Wipe the impeller blades with a cloth wetted in a mild detergent solution. Avoid water dripping on the electric motor!
After cleaning of the impeller install the cover and tighten the screws.
TECHNICAL MAINTENANCE STEPS
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