[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - fan] fan bearing temperature is normal for ≤70 ℃, if once rises to 70 ℃ without power fan, electronic control should (will) alarm . You should find out the reasons heater, first check whether the cooling water properly? Bearing oil level is normal? If you can not find a reason, bearing temperature quickly rose to 90 ℃, electronic control should (will) alarm, stop signal again. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Fan] trends: from January to December 2012, fans, country fans output reached 21,623,500, an increase of 1.39%. Judging from the provinces of production, from January to December 2012, Zhejiang Province, the fan output reached 11,521,200, an increase of 4.54%, accounting for 53.28 percent of national output. Followed by Guangdong, Shanghai, Jiangsu Province, accounting for 34.01 percent of total output, respectively, 4.82% and 2.80%. Heater _ Tianjin Jinzhong Ji integrity for 15 years (certified) provided by the Tianjin Jinzhong Ji _ Fans HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.