Thread: Using portable generator to power furnace fan (AC/PSC motor) - yes orno?
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Ralph Mowery Ralph Mowery is offline
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Default Using portable generator to power furnace fan (AC/PSC motor) - yes or no?
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No way to find the voltage sensing circuit that controls the voltage.
There must be a circuit that drives the current to the rotor.
See what it's doing, maybe put a resistor in series to trick it out?
Probably no schematics that show what the board or boards do though.




Most of the simple generators only have a governed speed control. There
is usually a mechanical adjustment for this somewhere in the 'fixed
throttle'.

I have not looked over my 5 kw generator in a while, but my little 700
watt Harbor Freight does have an adjustment screw that can set the speed
of the engine.
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