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Old 06-27-2011, 08:37 PM   #1
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Capacitor question....


Why do the A/C unit Manufacturers choose to use a start and a run capacitor(2) opposed to a single dual-run capacitor?

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Old 06-27-2011, 08:43 PM   #2
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Capacitor question....


Max no difference. Most of the new units I see have a dual capacitor as it saves space in the elec box and requires less wiring. Some of the deluxe units have a factory hard start kit which includes another capacitor and potential relay to remove it as the compressor gets up to speed.

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Old 06-27-2011, 09:02 PM   #3
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Capacitor question....


CSR system needs to have extra "push" ( Start Cap + Potential Relay ) to start the compressor.

PSC system doesn't need this extra "push" so dual capacitor (Run Cap) is fine.
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Old 06-27-2011, 09:19 PM   #4
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Capacitor question....


CSR.....PSC....Enlighten me please.....Sorry-babysteps.
Thanx for the help dudes....
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