Maintenance and service
VentoVind™ requires minimal maintenance.
The attic space should be inspected visually one to two times per year to check the function of the
system. Fans should be checked and cleaned as necessary, however, at least 1 time/year. This is to
prevent imbalance that can result in unnecessary bearing damage. Servicing is performed according
to the following instructions:
Note that the fan must always be disconnected from power and you must wait 2
minutes before opening it so that the fan wheel has time to stop.
Warning decal on the fan
1.
Disconnect the fan from power (all-pole break)) and wait until the fan wheel has stopped.
2.
Open the cover.
3.
Clean the inside of the fan but be careful not to deform the fan wheel or upset its balance weights. Do
not spray water inside the fan wheel.
4.
Check that the fan wheel is not obstructed and can rotate freely without making any strange noises.
5.
Close and screw the cover into place. Reconnect power.
6.
Test operate the entire system and perform checks according to section: Checks at start-up
7.
Check date, time and reset the service counter via the control panel.
Once the fan has been cleaned, check that the exhaust air damper opens as intended. Do this by
lightly touching the damper flaps. The damper flaps should move freely and spring back after being
touched. It can be advantageous to perform the same test as at installation, where you test operate
the fan manually. See more under chapter Starting and Settings.
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