[. . . ] Do not use chemical solvent (like benzene, alcohol glazer) to clean the surface of the appliance. If you do so, the surface will be scratched, damaged even the whole casing could become deformed. ⷠRemove the dust from the negative ions generator window with dry brush. [. . . ] Press « SELECT » (15) touch to choose operating time : 2, 4 or 8 hours. It gets to the best working state after 24 hours' continuing work. When the air pollution is severe, the API indicator will illuminate and the appliance will automatically turn to high speed to purify the air. It may need another 24 hours to get the detector to its best working state if the appliance has not been used foir a long time. ⷠRemote control can be used for every functions of the appliance. To use essential oil filling : switch off the power and take off the perfume cover as per instruction above. Add one drop of essential oil and a little water into the holder and then push the button to ON (see picture 3). Cover opening switch Essence oil holder Note: do not use the perfume box while using the essential oil, otherwise it may cause unpleasant smell. ⷠRemove the front cover (4), take off the pre-filter (5) and wash it, or replace it. ⷠTake off the Hepa filter (7) by pulling the two strips on the right side of the filter. 3 functions in 1 : air purifier, ionizer, fragrance emission, to improve air quality at home or in your office. ⷠThe appliance eliminates particles such as pollen, dust, acarians, micro-organisms, noxious gases, smokes and it neutralizes any germ alive such as virus and bacteria. ⷠ3 adjustable speeds : select high speed to quickly purify the room air then select low speed half an hour later to preserve pure and fresh air. For your comfort and safety, ALPATEC has checked all the steps of manufacturing. The products have been made for you to enjoy their design and easiness to use. ALPATEC, a complete range of air conditioners, coolers, fans and heaters for you to be completely satisfied. [. . . ] Never use accessories that are not recommended or supplied by the manufacturer. It could constitute a danger to the user and risk to damage the appliance. ⷠAll interventions made by a non-qualified person can be dangerous; in this case guarantee conditions would cancel. [. . . ]