8
6. Place of installation
To make full use of the air purifier‘s perfor-
mance, the unit should be placed at a mini-
mum distance of 10-15cm from walls or similar.
This ensures that sufficient air can be sucked
in through the back of the unit.
If you use the air purifier, it is recommended
that you close the doors and windows to
achieve a better cleaning effect.
To prevent the appliance from wobbling or
tilting, ensure that the appliance is placed
on a level and non-slip surface.
The fan speed
can be set in
four stages.
7.2. Fan speed (Speed)
7. Commissioning
Press once to switch on,
press again to switch off.
7.1. Switch on and off
Briefly press the key to
lock all control keys.
Press for three seconds to
return all the control keys
to the unlock modus.
7.3. Child Lock
Models LF2030-LF2040:
Four screws are required.
Models LF2050-LF2070:
Eight screws are required.
2) Screw the base plate to the holes in the
bottom of the air purifier marked in the
picture.
2
The maximum running
time of the filters is 1,500
hours. When the remaining
running time of the filters
is approx. 60 hours, the
display flashes and shows
„FILTER REMAINING TIME“.
During this period the filter
must be replaced.
7.4. Filter Timer (Filter Reset)
After changing the filter, press the „FILTER
RESET“ key for 3 seconds to reset the counter
to 1500 hours.
7.5. Off Timer
The unit can be switched
off in 12 steps (0-12 hours)
using the timer.