04 Aug '12, 3pm

Two-speed #fan #control circuit is shown at

Two-speed #fan #control circuit is shown at

The two-speed exhausting fancomposed ofpole-changing adjustable speed motor is widely used in high-rise and underground buildings. Usually it runs at low speed; when the fireisbroke out, itcan be swicthed by manual, fire -place control systems or BAS system to high-speed operationautomatically to be used as exhausting fan. The circuit is shown as the chart. Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Electrical_Equipment_Circuit/Two_speed_fan_control_circuit.html

Full article: http://www.seekic.com/circuit_diagram/Electrical_Equipmen...

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