Installation and Use: 1) can be vertical, horizontal and hanger installation. Fan base must naturally be combined with basal plane, and not to beat coupling force base, the weight of the pipe shall be applied to the turbine components. 2) should be carefully checked before installation whether the impeller and the casing due to shipping damage and deformation, and if so, should be repaired before installation. 3) Check the connecting bolts are loose roof exhaust fan, the motor insulation is good, whether or hinder the rotation of objects within the fan duct. 4) To install the fan after commissioning, abnormal rub, touch, and vibration to be excluded immediately. Two-speed fan control theory and start debugging Fan Related Products: fiberglass roof fan, fan-induced two-speed exhaust fan, centrifugal fan, induced fan, FRP fans, explosion-proof fans and other fans of the start-up and commissioning a fan reaches normal operating speed exhaust fan, the fan should be checked each phase input power supply is normal, the fan operating current can not exceed the rated current, if the current exceeds the rated current is running, you should check the fan supply voltage is normal. High-temperature exhaust fan fire, Chen Yu-conditioning (certified), Hakusan City exhaust fan provided by Wu Cheng Chen Yu Air Conditioning Equipment Co.. Wu Cheng Chen Yu Air Conditioning Equipment Co., Ltd. (www.wccykt.com) is a leader in Dezhou, 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 . Chen Yu-conditioning in leadership with the staff warmly welcome all inquiries negotiations to create Chenyu conditioning a better future.