
82 VELUX VELUX 83
Maintenance
Switch o the mains or battery supply before proceed-
ing with items 3, 4, 6 and 7!
2
Minimising condensation
Particularly in rooms with high levels of humidity, con-
densation can form on the inner pane of the window. This
can be minimised by fi tting a radiator directly below the
window and by airing the room frequently.
3
Cleaning the air fi lter
The air fi lter can be removed and washed with ordinary
household cleaners. Fully rotate and secure the window in
cleaning position, then remove the fi lter from the fi lter rail.
(New fi lters are available from VELUX).
4
Cleaning the fl ashing
Leaves and other debris should be removed from the fl ash-
ing around the window once per year to allow rainwater to
fl ow freely.
5
Snow and ice
Remove snow and ice to allow melt water to drain o from
and around the window.
6
Cleaning the rain sensor
Dirt on the rain sensor may cause operating problems.
Therefore, it is recommended to clean the rain sensor
with a soft wet cloth once or twice a year or when
needed.
7
Cleaning the solar cell panel
In case of accumulation of dirt on the solar cell panel,
this should be cleaned with water and ordinary house-
hold cleaners.
8
Maintenance of timber (GGL)
The timber has received basic treatment and a fi nished
coating at the factory and can be cleaned with ordinary
household cleaners. It must receive further treatment at
least every four years and whenever required. Windows
exposed to strong heat, strong sunlight and/or high
levels of humidity (eg in kitchens or bathrooms) must
however receive treatment at least every two years.
Surface maintenance: Remove surface treatment
(varnish or paint). Ensure surface is clean and dry and
apply primer to the timber. When dry, apply a coat of
waterbased acrylic varnish/paint (always follow the
manufacturer’s directions). Apply the same method to
the a ected areas if the varnish/paint is damaged.
9
Maintenance of polyurethane (GGU)
The white polyurethane surface can be cleaned with
ordinary household cleaners.
10
Maintenance of PVC (CVP)
The PVC surface can be cleaned with mild solutions of
household cleaners; however, avoid cleaners containing
household ammonia.
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