Timer Function; Automatic Function; Fan Speed + Turbo Mode - Beurer LR 500 Mode D'emploi

When the air purifier is used for the first time, it is set to the first fan speed.
Information on the display of air quality
The air quality display automatically switches on when the air purifier is switched on. After approx. 30 sec-
onds, the air purifier displays the colour which corresponds to the concentration of particles in the ambient
air around the device.
Air quality Ambient air indicator colour
Good blue
Acceptable yellow
Poor orange
Very poor red
Optimal relative humidity and room temperature
Room Optimum temperature
Living room 20 °C (68 °F)
Bedroom 16-18 °C (60.8-64.4 °F)
Child's bedroom 20-22 °C (68-71.6 °F)
Kitchen 18 °C (64.4 °F)
Bathroom 23 °C (73.4 °F)
Cellar 10-15 °C (50-59 °F)

6.3 Timer function

The air purifier features a timer function that you can use to determine the number of hours the air purifier
should run for before it automatically switches itself off. You can set the timer for between 1 and 24 hours.
• To set the timer, press the TIMER button "
play. The air purifier will now automatically switch off after the set number of hours has passed.
• To deactivate the timer early, press and hold the timer button until "- -" appears on the screen.

6.4 Automatic function

The air purifier has an automatic function. When the automatic function is switched on, the fan speed au-
tomatically adapts to the ambient air quality. This means that, the poorer the quality of the ambient air, the
higher the fan speed automatically set by the air purifier.
1. To switch on the automatic function, press the fan speed button "
on. As soon as the automatic function is active, "
2. To switch off the automatic function, press the fan speed button "
" " goes out on the display. The device automatically switches to level 1.

6.5 Fan speed + turbo mode

The air purifier has four fan speeds and a turbo mode:
• To switch between the individual fan speeds, press the fan speed button "
ting lights up on the operating panel.
• In turbo mode, the air purifier is operated at the highest speed, and the UV light is also switched on. The
turbo mode switches off after 15 minutes, and automatically changes over to the automatic function.
PM 2.5 value in µ/m³
≤ 12
12.1 – 35.4
35.5 – 55.4
> 55.5
Optimum rel. humidity
40 – 60%
40 – 60%
40 – 60%
50 – 60%
50 – 70%
50 – 65%
" until your desired hourly value (e.g. 02) appears on the dis-
" appears in the display.
(1), (2),
20
" while the air purifier is switched
" again.
(3), (4),
". The current fan speed set-
.