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| EN
FANS v2024.1
6. MAINTENANCE
6.1. SAFETY INSTRUCTION
Unplug the unit from the mains before performing any other maintenance steps (disconnect the power plug from the outlet or
in case a circuit breaker is installed, disconnect it as well. Make sure that it cannot be turned on by the third parties) and wait
until the fan completely stops (for about 2 min.).
6.2. GENERAL RECOMMENDATIONS FOR THE MAINTENANCE OF VENTILATION SYSTEM
In order to ensure the proper functioning of the system, maintenance requirements and its periods should be observed. Otherwise, the warranty
shall be void. Some recommendations are provided in the table below, but they are just advisory, as the need for system maintenance depends
on the location of the unit installation, the pollution of the atmosphere, population, working hours, etc.
COMPONENT
DURING START-UP
AT LEAST EVERY 6 MONTHS
Fans
Check the connections and the direction of rotation
Check cleanliness. Clean, if necessary.
Make sure that the impellers are not unbalanced.
Make sure that the impellers do not cause noise when
rotated by hand.
Make sure that the fastening screws are not loose and
free of mechanical damage.
Check electrical connections and make sure that these
are secured properly and are free of signs of corrosion.
6.3. COVER OPENING
Before opening the covers, first, unplug the unit from the mains, then wait for 2 minutes (until the fans completely stop).
Fig. 6.3.1 AKU / AKU EKO
Fig. 6.3.2 KF T120 / KF T120 EC
Fig. 6.3.3 KUB T120 / KUB EKO
Fig. 6.3.4 VKAP 3.0 / VKA EKO
1
2
3
4
1
2
3
4
1
2
3
4
Fig. 6.3.5 VKSA
