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-   -   wiring a three speed motor . (

juan devero 03-05-2012 03:06 PM

wiring a three speed motor .
i have a goodman roof top unit that i put a new blower motor in about three months ago it was up to speed at first now it appears to be only functioning on low speed, what can i do to get it back to to its proper speed. thank u

hvac5646 03-05-2012 03:33 PM

No periods. Your post makes no sense.

beenthere 03-05-2012 04:04 PM

Check the run capacitor.

thermal-medics 03-05-2012 04:31 PM

what makes you say that
what makes you think the speed of the motor has changed? is the airflow lower than when you put it in?

I have seen motors work and not work but not miraculously drop in speed unless we are talking about some fancy variable speed ECM kinda stuff.

Patrick Eubanks 03-05-2012 09:57 PM

blower speed
Bet its an X13 motor. If so, change immediately. Even if its not the motor it will be soon.

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