rdance, otherwise, stop operation and exam it immediately.
建议每周至少通电运行一个小时，防止电器元件受潮及润滑脂凝固，并清除风机内部积尘，若使用环境温度较低或温度较大时，应适当增加开机次数或通电时间。
User had better operates it not less than an hour per week to avoid components damping and grease lubricant freezing, and it can also clean the inner dust. It should be operated several times if working environment temperature is lowerorhigher.
我公司产品如有质量问题，一年内实行三包