Clean Air Optima CA-503B Compact Smart Gebrauchsanweisung Seite 6

4 Timer
Pressing the Timer Button sets the timer. The timer function determines how many
hours the air purifier will operate. You can set the timer simply by pressing it once for
each hour that you would like to run the device. The timer can be set from 1 hour to 12 hours. As
time passes, the time value decreases until it goes to 00:00 and the device shuts off.
To turn off the timer function, press and hold the Timer Button for 3 seconds.
5 Sleep
When the sleep mode is activated, the display will turn off. Only the sleep mode light is
on. The fan speed goes to the lowest setting. Touch any button to illuminate the display,
after which you can operate other functions. Touch the sleep button twice for full operation.
6 Filter replacement
If the indicator light is on, the composite filter (HEPA and Activated Carbon Filter) must
be replaced. The composite filter has a lifespan of 1700 hours.
Digital Monitor
The digital monitor on the top of the air purifier CA-503B Compact Smart indicates
automatically and exactly current air quality by measuring the level of Particle measurement
PM2.5.
Green - Good: 0-50ug/m³
Yellow - Average: 51-100ug/m³
Particulate matter of 10um (PM10) and smaller 2,5 um (PM2.5) can get into the lungs and
belongs to the top 10 threats for human health. These small particles develop through typical
indoor processes such as cooking, baking, frying, smoking, as well as heating or are also
transported in big quantities into indoor air because of transportation, industry, construction,
biological material (pollen, bacteria, mites, and viruses), imported particles from other regains
such as (airplane) exhaust gases and volcano eruptions.
Allergens such as pollen and dust cause serious and long-term health threats to millions
of persons each spring: the numbers are increasing constantly.
Measurement of relative humidity and temperature
Important aspects for effective air purification: relative humidity between 45 - 60% and room
temperature of about 20 - 23 °C.
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Orange - Bad: 101-150ug/m³
Red - Very bad: 150 ug/m³ or more