Who has a Supco Hard Start on their A/C unit?
I recently purchased the Supco SPP6 hard start capacitor and I have a couple questions for those who have this unit and have also installed it themselves. First off, even though I've read on this f...
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The larger cap, the gray one, has a 60-mfd section for Compressor and a 10-mfd section for Fan. So the ONE counts as Two. Then the black 43-52-mfd cap is the Start Assist (aka "Hard Start") device. The little black part on one of its terminals is to take it out of circuit once the Compressor has started.
I noticed in the Coleman parts list that the Start Assist is less mfd (expression of Capacitance, MicroFarad, sometimes shorthanded as "uF") than the more common 88-108-mfd that Chris mentioned.
I don't have the expertise to tell you that a larger Start Assist mfd value would make your compressor start quicker, with less current draw, with less heat, or any other measure. Maybe somebody else here can help with that.
I DO know that the RUN cap value is optimized to the specific motor it serves, blower, compressor, whatever. The motors WILL RUN with somewhat higher or lower capacitance values, but being above or below the optimal value has downside consequences.
I noticed in the Coleman parts list that the Start Assist is less mfd (expression of Capacitance, MicroFarad, sometimes shorthanded as "uF") than the more common 88-108-mfd that Chris mentioned.
I don't have the expertise to tell you that a larger Start Assist mfd value would make your compressor start quicker, with less current draw, with less heat, or any other measure. Maybe somebody else here can help with that.
I DO know that the RUN cap value is optimized to the specific motor it serves, blower, compressor, whatever. The motors WILL RUN with somewhat higher or lower capacitance values, but being above or below the optimal value has downside consequences.
