4 EN
3 Using the air purifier
Air quality light
After approximately 30 seconds, the particle sensor selects the color that
corresponds to the surrounding air quality of airborne particles�
Note: The color of the air quality light is determined by the highest risk index among PM2�5 and
IAI readings�
PM2�5 refers to airborne particle pollutants smaller than 2�5 micrometers�
PM2�5 level Air quality light color Air quality level
≤35 Blue Good
36-75 Blue-purple Fair
76-115 Purple-red Poor
>115 Red Very poor
IAI refers to the level of indoor air allergen�
IAI level Air quality light color Air quality level
1-3 Blue Good
4-6 Blue-purple Fair
7-9 Purple-red Poor
10-12 Red Very poor
Turning On and O
Note:
• Put the plug of the air purier in the power socket�
• If the purier stays connected to the electrical outlet after turning OFF, the air purier will
operate under the previous settings when turned ON again�
1 Touch to switch on the air purier (g h)�
2 The “ ” displays on the screen during warming up� Then the air purier
shows the PM2�5/IAI level after measuring the air quality (g i)�
3 The air purier operates in the auto mode with PM2�5 displayed on the
screen (g j)�
4 Touch and hold the button for 3 seconds to switch o the air purier
(g k)�