"220V Cooling Fan" in the long run, due to dust, dirt blocking, it will affect the filter, air curtain air flow and cooling effect. Therefore, filter, air curtain is best cleaned once every two weeks. When using the "220V Cooling Fan", the distance should not be too close, should be maintained at around 3 meters. "220V Cooling Fan" before using unmissable adequacy of water and ice, add water and ice time must unplug the power plug. Water tank water level to be maintained in a safe, and should be changed regularly, be sure to place the start of the use of air-conditioning fan level, not tilted. When to water cooling water, as far as possible the use of pure water. High purity of the ingredients purified water, less bacteria, can reduce the growth of bacteria during condensation.