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Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: Dennis S
Date: April 24, 2022 06:30PM
I had a post below. I’m having a medical event*and can’t concentrate or do too much closeup looking at the unit right now. I need to figure this out so I can order the condenser tonight. I hooked up the old one OK years ago. I can’t concentrate on google instructions. I can count on y’all to simplify things so I can understand. Also I’m having a hard time finding dimensions although I believe that doesn’t matter. But I’d like to use the same strap and screw setup.

* I may explain it tonight and I may not.

Edit: I mean capacitor, not condenser.



Edited 2 time(s). Last edit at 04/24/2022 07:38PM by Dennis S.
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Re: Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: mattkime
Date: April 24, 2022 07:16PM
I hope you're okay :-(



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Re: Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: Dennis S
Date: April 24, 2022 07:18PM
Quote
mattkime
I hope you're okay :-(

Thanks. It comes and goes. It hit when I was working on the outside HVAC unit.
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Re: Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: pdq
Date: April 24, 2022 07:41PM
Quote
Dennis S
I had a post below. I’m having a medical event*and can’t concentrate or do too much closeup looking at the unit right now. I need to figure this out so I can order the condenser tonight. I hooked up the old one OK years ago. I can’t concentrate on google instructions. I can count on y’all to simplify things so I can understand. Also I’m having a hard time finding dimensions although I believe that doesn’t matter. But I’d like to use the same strap and screw setup.

* I may explain it tonight and I may not.

Edit: I mean capacitor, not condenser.

Dunno if this helps, but I think it's from the manufacturer of the CPT cap.
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Re: Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: Cary
Date: April 24, 2022 08:18PM
As far as I know, the choices are: 2 or 3 terminal, voltage and capacitance (measured in farads). They also n come round, oval(ish) or rectangular.

I would get the part number off the existing one, and match that.
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Re: Can someone explain the CPT terminal on a HVAC capacitor and how to wire it?
Posted by: Dennis S
Date: April 24, 2022 08:32PM
I was confused about hooking up the newfangled CPT but I found this:

“The CPT is only used when a hard-start kit is being utilized in the AC unit.”



pdq - that helps although I don’t think Amrad will talk to me since I’m a civilian. I should be able to just transfer the wires from the old capacitor to the new one.
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