10 Filter system
16
> On the pre filter cover approx 2/3 of the surface
of the filter with a piece of paper.
> Rotate adjustment disc out of zero position until
LED of pre filter switches on.
> When removing the paper LED must switch of.
On the front side of the UV Plus there are 2 LED's
> The LED with the arrow facing down is active
in case the pre filter is dirty (pre filter is located
behind the fat filter)
> The LED with the arrow facing upwards is active
in case the main filter is dirty (main filter is on
top side of the UV Plus)