22Maintenance1.Open the lnlet Grille2.Detach the standard air filter3.Attach new Air Purifying Filter4.Attach the standard air filter(Necessary installation)5.Close the Inlet GrilleClose the Grille surelyOpen the inlet grille by pushing each ends ofthe inlet grille upward.(use thumbs to pushup)Slide the knob slightly upward to release thefilter, then withdraw it.Put air purifying filter appliances into theright and left filter frames.Detach old Air Purifying FilterReplancement of Air Purifying FilterNote:(1) the bacteria-killing mediums placed onthe left side. the multi-lights touching ntermediaryis placed on the right side.(2)the green aspect of the bacteria-killing mediumair purifying filter will face outside,the whiteaspect will face to the machine.NOTE:The photocatalyst air purifying filter and the bacteria-killing medium air purifying filterwill be used based on real situation.The photocatalyst air purifying filter will be solarized in fixed time. In normal family,it will be solarized every 6 months. The solarization time will last no less than 8 hoursunder the state of abundant sun.The bacteria-killing medium air purifying filter is available for a long time and neednítto be changed. But it must be noticed to use the vacuum cleaner frequently to adsorbthe dusts covering the purifying filter lest the covering dusts effect the function of thebacteria-killing medium air purifying filter. (It is strictly prohibited for the bacteria-killingmedium air purifying filter to be washed)