1. Do not touch pressing "220V Cooling Fan" blades and power cord wrapped around the fan or with the use of the cord, this axis will be damaged and power lines;
2. Please avoid dust, water droplets, insects enter and affect the life and defective products;
3. Do not use flammable gas with any hazardous environments;
4, please use within six months, long-term storage on the storage environment and affect "220V Cooling Fan" performance;
5, when the fan is in operation, do not attempt to lock a particularly long time fan, it would not stop because of continuous turn, produces heat and burning fan;
6, the installation "220V Cooling Fan", please pay special attention to the noise generated due to resonance or vibration;
7, screw torque lock shell shall not exceed 4Kgf; please do not use a screwdriver, iron bars and other objects stall fans, it would damage the fan.