1. Clean the infrared dust sensor regularly: it is recommended to clean it once every
three months.
2. Open the cover plate of infrared dust sensor. (See Fig. 8)
3. Clean the infrared dust sensor. Please use a wet cotton swab to clean the lens,
air inlet and air outlet, and then use a dry cotton swab to remove the remaining water
stains on the sensor. (See Fig.9)
4. Finally, assemble the cover of the infrared dust sensor to the original position.
Clean and dry the product, cover it with plastic bags and store it in a dry place.
Note: Do not pull the power cord when unplugging the product. Force applied to the power
cord may cause electric shock or fire.
Please check the state of the power cord and plug frequently.
1. Please cut off the power supply before cleaning.
2. When it is used in a dirty place, the cleaning frequency can be increased appropriately.
3. Wipe the stains with a soft cloth.
4. If the stain cannot be wiped, please wipe it with a soft cloth dipped with diluted neutral
household detergent, but the product must be completely dry before re-using.
Cleaning and maintenance of the body of the product
Cleaning of infrared dust sensor
8
Air Inlet
Air Outlet
Lens
9
Storage of product
Cleaning and Maintenance
10
Filter Replacement Cycle
Filter
Room size
Replacement Cycle
Under 20m
2
Under 30m
2
Once 5 ½ months
Once 4 months
* The expected filter replacement cycle is estimated by a close review of the filters to display its proper
performance. This is determined based on the product usage time (12 hours) per day and indoor pollution
index of 150
㎍
/
㎥
. Thus the cycle may shorten as the usage time or indoor pollution index goes up.
(Based on GB/T 18801-2015 standard)
Multi-functional
Composite Filter
