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Precautions for Large Industrial Fans


I. Large fan products are characterized with low speed and large torque during running. Switch on and switch off must be in accordance with reasonable and normal switch steps. Especially remember that rotate speed of the inverter must be switched to lowest before switch off, and the power off knob can be switched to the “stop” position only until the fan has turned to still from normal running, to avoid potential safety risks caused by direct and sudden shutdown.

II. Large fans generally can be installed either whether there has crane or not have, but the safety height left from the top of the crane to the roof for installation shall be 1.5 meters or more.

III. If building roof of the installation site hasn’t been insulated, fan mounting extension rod shall be considered to use for installation, keep the fan blades as far away from the roof as possible to avoid the upper hot air being driven to the operation area below by the large fan.