<b>Warnings:</b> <br> 1. Follow the wiring diagram for installation and ensure the device is connected to the ground if required. Use of an extension cord is not recommended. A poor connection may cause damage to the fan. <br> 2. Exercise caution when moving the fan. Do not lift or carry the fan by its blades, as this may cause the device to produce more noise during operation. <br> 3. Do not remove components of the device, as doing so may affect the fan’s safe operation, air-tight seal, balance, or other important properties. <br> 4. Install the fan only as indicated in the user manual. Any other methods of installation may affect its service life. <br> 5. The fan, especially its blades and electrical components, should be kept out of the reach of children. Children must not operate the fan without supervision from an adult.