"Cooling Fan" in order to ensure the best results should ensure that there is enough spacious open door or window. Do not stand or sit on the unit, or place anything on it may cause damage to the machine, tipping or falling objects injuries and other accidents. During operation, do not open the evaporator, roof and other machine parts, such as repair and maintenance of the machine from the power supply, it may result in damage or casualties. During operation there is any abnormal situation should immediately stop using and manufacturing company or distribution, please notify service point.