How to detect fan coil junction box? Once a year check the fan coil feeding electrical junction box and the fuse is intact. Daning wa fan coil. Measure the insulation resistance of the fan motor stator coil windings with 500V insulation shake table, use a bridge or digital multimeter to measure the DC resistance of its coil fan motor stator windings and calculates their balance. Tighten all electrical wiring Chun head. Winds of fan coil units, fan coil wiring diagram; fan coil fan coil shock thick brass corner solution noisy fan bearings poor lubrication or damage, too much dust or damaged fan blades, fan impeller and machine shell friction, the outlet duct or an external outlet is not soft connection, coil and drip tray with supply and return water pipes and drainage pipes are not flexible connection, fan coil running in high gear, fixed fan connector loose, outlet Venetian loose 'forms: vibration and noise is too large fp85wa fan coil fan coil wa Daning _ _ Hao Yang air conditioning equipment (view) from the Texas Air Conditioning Equipment Co., Ltd. Hao Yang. Hao Yang Texas Air Conditioning Equipment Co. (www.dzapjt.com) is a professional, "fan coil units, air, mixed flow fan, FRP fan, fire dampers, air-flow valve" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Hao Yang" brand has a good reputation. We adhere to the "service first, customer first" principle, so that Yang Hao air-conditioning equipment to win the trust of customers all of the fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!