3 proung capacitor supports 2 motors, one fan motor, the other one is compressor, so the 3 proung has 'fan', 'herm', and 'com' 3 terminals. 'fan' and 'com' connect to your fan, 'herm' and 'com' connect to your compressor. If you use 2 proung capacitors, you need 2 of them. one supports fan and the other one supports compressor. It is hard to draw a diagram here, may be you can find some pictures on the web.
I borrowed a diagram from another forum, hope this help......
Last edited by clocert; 07-09-2012 at 10:05 PM.
Reason: Add a diagram..Borrowed from another forum