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Old 07-08-2011, 09:37 AM   #1
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Rheem ac new contactor wiring


Hi, I am trying to find out how to connect the low voltage wires on the New Protech contactor I am installing it on a Rheem RAKA 037JAZ AC unit. Protech Contactor model number 42-102851-01. I can send photo's of old and new contactors to your private email if necessary. My email address is jwerba1@att.net. Please notice the pictures I downloaded of the old, and New Contactor are a few posts down.

Many Thanks, Werbs

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Last edited by Werbs; 07-08-2011 at 03:40 PM.
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Old 07-08-2011, 11:25 AM   #2
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Rheem ac new contactor wiring


Post your pics here; people will help for free as that is the purpose of the site.

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Old 07-08-2011, 11:54 AM   #3
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Old 07-08-2011, 12:04 PM   #4
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Rheem ac new contactor wiring


Thanks for the reply. I need to find out how to post pictures on this site. I am not used to using URL in order to post pic's.

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Old 07-08-2011, 12:33 PM   #5
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For how to post a picture:
How to attach a photo to a post
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Old 07-08-2011, 02:12 PM   #6
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Rheem ac new contactor wiring


I hope this works. I need to know how to transfer (where to put) the Brown, and Yellow Wire mounted on the side of the old Contactor, and the Orange wire that is mounted on one of the Top Spades of the Old contactor on the New Style Contactor. I assume they go on the A1, and the A2 spades, but I don't know what color goes where if so!!!

Thanks, Jim
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Rheem ac new contactor wiring-img_0209.jpg   Rheem ac new contactor wiring-img_0226.jpg   Rheem ac new contactor wiring-img_0258.jpg   Rheem ac new contactor wiring-img_0260.jpg   Rheem ac new contactor wiring-img_0261.jpg  


Last edited by Werbs; 07-08-2011 at 04:57 PM.
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Old 07-08-2011, 06:28 PM   #7
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Rheem ac new contactor wiring


use the picture I posted! Yes, 24V wires either one to either side go on the side of the new contactor
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Old 07-08-2011, 07:03 PM   #8
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Thanks! Does the orange one that is mounted on the spade on top go to one of the sides also?
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Old 07-08-2011, 07:08 PM   #9
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Rheem ac new contactor wiring


Brown and Yellow goes to A1 and A2
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Old 07-08-2011, 07:16 PM   #10
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Rheem ac new contactor wiring


the THIN yellow and brown wires are the 24 v low voltage for the coil of the contactor new and old and it does not matter which terminals they go to on the new one as long as one is on each side of it. NO other wires go there. The rest of it is just labelling and replacing the wires as they are on the old one to the same terminals on the new one. Make ABSOLUTELY sure both the high voltage wires coming into the old contactor have no voltage from them to ground. I have seen double pole disconnect switches that were faulty and only disconnected one leg/hot source when turned off. Other one can be live and kill you. Make a note of that JJ.
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Last edited by yuri; 07-08-2011 at 07:20 PM.
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Old 07-08-2011, 07:36 PM   #11
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I am sorry to ask again, but where(what side) does the thin orange wire that is mounted to the top of the old contactor
go??
Thanks Again, Jim
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Old 07-08-2011, 07:47 PM   #12
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Rheem ac new contactor wiring


Doesn't matter the side just follow the old contactor.

L1, L2 means line and T1, T2 load
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Old 07-08-2011, 07:59 PM   #13
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Rheem ac new contactor wiring


the thin orange wire that goes from the "top" of the contactor to the capacitor goes to T3. you better make darn certain ALL those wire connections are very tight to the new contactor. may need new stakon connectors. if even a bit loose they heat up, turn black, get looser and drop the voltage to the compressor and motor and cause damage. sounds like you need a Pro or electrician friend to help out. get any of these wrong and the compressor/ motor or capacitor may be permanently damaged or burn out.
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Last edited by yuri; 07-08-2011 at 08:03 PM.
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Old 07-08-2011, 08:10 PM   #14
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Thanks Yuri, The one wire that I couldn't seem to get an answer on is the one that you said goes to T3, and now it makes perfect sense to me.

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Old 07-09-2011, 09:24 AM   #15
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Hello, if the the thin orange wire that goes from the "Top" of the Old contactor to the capacitor goes to T3 which is a high Voltage terminal how come it isn't a thicker wire?. Is it because it doesn't carry much of a Load? It is seen best in my 2nd photo.


Thanks To All, Werbs

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Last edited by Werbs; 07-09-2011 at 09:42 AM.
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