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Old 03-22-2017, 06:11 PM   #1
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Trane XE1000 Contactor


I have a Trane XE1000 2.5 ton AC on a rent house I own. The contactor is sticking closed causing the condensor to keep running after the thrmostat has turned the AC off. I took a picture of the contactor so I could match it at the parts store. But then I noticed something a little off in the picture - the wiring looks jerry-rigged, which makes me wonder if maybe it's the wrong contactor for this unit and they rigged it to make it work. (See attached pic)
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Trane XE1000 Contactor-img_20170321_175705713_hdr.jpg  
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Old 03-22-2017, 07:42 PM   #2
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Re: Trane XE1000 Contactor


Looks ok to me. What looks rigged?
Just a plain, run of the mill 30 A single pole 24 V contactor
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Old 03-22-2017, 08:34 PM   #3
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Re: Trane XE1000 Contactor


well for one thing, I don't think thats the right contactor.

someone replaced a double pole 240v/24v contactor with a single pole.

Not a really big deal. Im going to guess the 'other leg' is simply wire nutted together.

I would suggest a 2 pole, 240v/24v ENCLOSED contactor. These contactors will keep bugs and other things out that make the thing stick.

can you get a picture of the wiring diagram from the Service facts sheet, it should be folded up inside the electrical compartment

Last edited by jeff00; 03-22-2017 at 08:38 PM.
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Old 03-23-2017, 06:19 AM   #4
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Re: Trane XE1000 Contactor


Quote:
Originally Posted by roughneck View Post
Looks ok to me. What looks rigged?
Just a plain, run of the mill 30 A single pole 24 V contactor
Look at the red wire. They split the sheathing and pulled out 2 strands of copper and wrapped them around the connector on the side.
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Old 03-23-2017, 06:24 AM   #5
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Re: Trane XE1000 Contactor


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Originally Posted by DAKAVAJO View Post
Look at the red wire. They split the sheathing and pulled out 2 strands of copper and wrapped them around the connector on the side.
You sure the red wire isn't just touching the contactor, and the copper is the contactor wiring going into the coil?
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Old 03-23-2017, 06:52 AM   #6
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Re: Trane XE1000 Contactor


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Originally Posted by roughneck View Post
You sure the red wire isn't just touching the contactor, and the copper is the contactor wiring going into the coil?
agreed, thats just the coil wire wrapped around the terminal

move the red wire and I bet thats the case
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Old 03-23-2017, 08:22 AM   #7
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Oh....Maybe so. In another picture it looks like the sheathing is torn on the back side of that wire, but maybe that's just from rubbing against that terminal. I'll check it this afternoon when I get home. Thanks!
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Old 03-23-2017, 08:30 AM   #8
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Here's a better picture of the contactor from the top so you can see all the connections.
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Trane XE1000 Contactor-img_20170321_175747686_1490275747693.jpg  
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Old 03-23-2017, 05:19 PM   #9
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Re: Trane XE1000 Contactor


Quote:
Originally Posted by jeff00 View Post
well for one thing, I don't think thats the right contactor.

someone replaced a double pole 240v/24v contactor with a single pole.
Thought those came with a single pole contactor.
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Old 03-23-2017, 06:10 PM   #10
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Thanks for the help. Went to supply today & got new single pole contactor. Heading over to install it now.
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Old 03-23-2017, 08:44 PM   #11
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Re: Trane XE1000 Contactor


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Originally Posted by beenthere View Post
Thought those came with a single pole contactor.
my bad, you are correct. It's been awhile since I have seen one of those.
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Old 03-24-2017, 06:12 AM   #12
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Installed new contactor and problem is fixed. You were right about the wire being from the coil. And I took your advice and made sure I got a fully enclosed contactor. Thanks again! This was my first time using DIY Chatroom. I'm sure I'll be back.
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