Haier HSU-09RB03 User Manual - Page 25

Put air purifying filter appliance into the left and right . Note: the green aspect of the bacteria-killing medium air purifying filter will faceoutside; the white aspect will face to the machine. Install air purifying filter (Necessary installment) The photocatalyst air purifying filter and the bacteria-killing medium air purifying filter will 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 hours under the state of abundant sun. The bacteria-killing medium air purifying filter is available for a long time and needn't to be changed. But it must be noticed to use the vacuum cleaner frequently to adsorb the dusts covering the purifying filter lest the covering dusts effect the function of the bacteria-killing medium air purifying filter. (It is strictly prohibited for the bacteria-killing medium air purifying filter to be washed)