3
Contents
1 Important 4
Safety 4
2 Your air purier 7
Overview (for AC4372) 7
Overview (for AC4374) 8
3 Get started 9
Install lters 9
4 Use the air purier 11
Understand the air quality light 11
Switch on 11
Set the sensitivity of the air
quality sensor 12
Select the fan speed 13
Set the timer 13
Activate child lock 13
Night mode 14
5 Clean your air purier 14
Clean the air purier 14
Clean the air quality sensor 15
6 Clean the pre-lter 16
7 Replace the lters 17
Reset lter lock 20
8 Troubleshooting 21
9 Guarantee and service 23
Order parts or accessories 23
10 Notices 23
Electromagnetic elds (EMF) 23
Recycling 24