User Manual

6
"1023" indicates the filter has worked for 1,023 hours. Hold down for more than 5s
to reset the work duration of the filter.
High configuration version - Intelligent controller
1) Power-on/off
Press to start the unit.
Press again to shut down the unit.
2) Fan speed regulation
Press ▲ and ▼ to stop the fan or make the fan operate at the low speed or high speed.
3) Operating mode switching
Press to switch the operating mode between three statuses cyclically according to
the sequence of "Auto Manual Timer - Auto". The operating status is switched
each time the button is pressed.
4) Auto mode
In auto mode, the unit starts/stops the fan and regulates the fan speed based on the
air quality (VOC, CO
2
, and PM2.5 concentration).
When CO
2
500 ppm, PM2.5 35 ug/m
3,
and VOC 0.3 ppm, the fan is regulated to
run at the low speed.
When CO
2
> 1000 ppm, PM2.5 > 75 ug/m
3,
or VOC > 0.3 ppm, the fan is regulated to
run at the high speed.
The fan runs at a medium speed in other circumstances.
Concentration setting for fan startup in auto mode: Hold down or for 2s in auto
mode to set the VOC concentration. The position displaying the VOC concentration
originally will display the set value and blink. Press ▲ and ▼ to change the value.
Press to switch to CO
2
concentration setting. The position displaying the CO
2
and
PM2.5 concentration originally will display the set value and blink. Press and to