Connecting up a new Cap?

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Old 11-19-07, 11:32 AM
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Connecting up a new Cap?

I am replacing my condenser motor/capacitor and was wondering if I could get some opinions. My original motor was a ge and my replacement was a direct cross to a grainger motor..same specs. My original cap has 3 sets of terminals with wires connected to them (I labeled them for reference). I advised the part rep that I need to replace the cap and he gave me the cap that goes with the grainger motor. The reason I think for the 3 sets of terminals on the original is that it's a split cap for both the motor and the condenser. (both heating and cooling unit). The rep said it will work. When I received the replacement cap, it only has 2 sets of terminals (total of 8 terminal connections). On both caps, the terminals are arranged in a square fashion which creates the "set". Can I use the cap that the rep gave me or did I get the wrong one? This is the new cap:

http://www.grainger.com/Grainger/items/2GE76

Any help is appreciated.
 
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Old 11-19-07, 04:48 PM
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Originally Posted by gquitugua View Post
My original cap has 3 sets of terminals with wires connected to them (I labeled them for reference). I advised the part rep that I need to replace the cap and he gave me the cap that goes with the grainger motor.
Was there 3 sets of wire from the old motor go on the old cap? Or was there 2, and another wire went to the compressor?

If one of the wire went down the the compressor, then you need to use the old one again to hook up the compressor.
 
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Old 11-20-07, 01:06 AM
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Thanks for the response. I took some photos and did some drawings to see if it will make more sense. I also got a hold of grainger tech support and what it sounded like was they suggest I reuse my old cap for the condenser and use the new cap for the motor. here is a drawing of my old cap. The brown goes to the old motor. Red and yellow go to the connection block shown in shot 1 and 2. The condenser wires connect to the white board shown in the top of the photo. The blue ?'s in shot one is where I believe the second wire from the old motor goes. I know I marked it but it was kind of hard to see in the night.

-Drawing of top of old cap


-Drawing of top of new cap


-shot 1


-shot 2


Since the brown from the old motor connects to the old cap, the purple and black connect to that black block below the white board in the shots. The grainger tech faxed me a drawing of how to split it but I'm still a little confused on what to plug in where with the new motor/cap. There are a total of 5 wires coming off the new motor. Green (Ground), Brown/White, Brown, Black, and Purple. I'll post the fax drawing tomorrow.
 
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Old 11-20-07, 02:49 PM
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on the corner panel (still in place in the Pix) there should be a wire diagram that shows you where what wire went where.

on the Capt. is there something stamped on top? (ex. Hem. fan..)
 
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