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Thread: Run Capacitor Problems
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05-08-2009, 04:15 AM #1
Run Capacitor Problems
I am replacing a hermetic compressor on a 1 ton heat pump. The existing run capacitor has a terminal for the compressor, a terminal for the fan and a common terminal. I have been given a 2 terminal run capacitor without a common terminal and been told to make it work ! How do I do this ? Is the common just a terminal block or is it wired to the capacitor internally ?
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05-08-2009, 06:31 AM #2
Re: Run Capacitor Problems
Some old units had three terminal capacitors which were actually 2 capacitors in one. That is what you may have had. They were 2 different capacitances in one body. If this is the case you will need 1 capacitor for each motor. The old capacitor should have the 2 capacitances written on its body. You will need to get 2 capacitors the same otherwise the motors will not work correctly.