Re: Huanyang VFD, activate relay when running below predefined RPM?
Originally Posted by jhovel
What about a thermostat on the spindle itself, switching the fan on only when needed - irrespective of rpm?
Cheers, Joe
I like this idea the best. The fan is needed when temperatures rise, not simply because of RPM. I haven't looked for a solution, but it seems like it might be simpler. There might be a ready made solution to control an attic fan.
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