Quote:
Originally Posted by 80stech
Thanks for the feedback guys, ordered the Behr fan today was the quicker option as well. While we are the fan topic, does anyone know exactly how it is controlled ? Does the control wire send a request signal to electronics in the fan motor to control speed or does the control wire directly turn on and modulate fan speed ? I don't think it's just a transistor in the fan motor like the wiring diagram shows!
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The DME sends a pulse width modulated signal to the fan to turn it on and control the speed.
Here's is why the fan is so expensive and why you shouldn't buy the cheapest fan.
http://www.xoutpost.com/934347-post3.html
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