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  1. #1
    Join Date
    Jan 2011
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    RTAA 170 NEW EXV 'S ?

    I PUT NEW EXV, BOARD, AND WIRE .I WIRED SAME COLOR CODE AS OLD EXV .I HAD NO INFO FOR NEW BOARD WIRING J4 1-5 AND J5 1-5 EXV WIRES BLACK WHITE RED AND GREEN

  2. #2
    Join Date
    Oct 2003
    Location
    tidewater, va
    Posts
    2,150
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    will pull my notes out and see if i have anything on this as soon as i get ahold of the right book, I remember this issue

  3. #3
    Join Date
    Dec 2008
    Location
    Dixiana, AL
    Posts
    2,620
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    Quote Originally Posted by clm7467 View Post
    I PUT NEW EXV, BOARD, AND WIRE .I WIRED SAME COLOR CODE AS OLD EXV .I HAD NO INFO FOR NEW BOARD WIRING J4 1-5 AND J5 1-5 EXV WIRES BLACK WHITE RED AND GREEN
    Is there a question in there somewhere? And turn off the caplock - nobody likes someone that yells............

  4. #4
    Join Date
    Oct 2003
    Location
    tidewater, va
    Posts
    2,150
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    Cant find any notes on this but will be out on a jobsite that i had this issue on this week and will check the wiring on it

  5. #5
    Join Date
    Mar 2004
    Location
    ottawa canada
    Posts
    2,330
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    Dont think he heard ya Klove .... You may have to yell !!!!
    The toy chest is officially full ... I got a new toy..... 2007 Aston Martin V8 Vantage
    You bend em" I"ll mend em" !!!!!!!
    I"m not a service tech.. I"m a thermodynamic transfer analyst & strategic system sustainability specialist
    In the garage , greasin', oilin' . tweakin' n shinin' Roll on spring 2015 !!

  6. #6
    Join Date
    Jan 2011
    Posts
    2
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    Thanks for the help. I got the info for trane this morring .

  7. #7
    Join Date
    Dec 2005
    Location
    Southern California
    Posts
    76
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    I am surprise that the new EXV's and board did not come with instruction or directions. I have the info.....6 years with factory Trane tech. next time don't CAP!!!!!

  8. #8
    Join Date
    Nov 2011
    Location
    South Texas
    Posts
    68
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    Would you mind posting the new exv update instructions as a fyi. If not would you mind emailing them to me so I can through them in my memory banks if I have to do this on a few RTAA's under my supervision. Thanks

  9. #9
    Join Date
    Oct 2003
    Location
    tidewater, va
    Posts
    2,150
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    believe the new exvs are SEHI valves and the wiring should be as on p.70 of RLC-SVD03A-EN. EXV #1 wired Red to J4-5 Green to J4-4 white to J4-2 black to J4-1

    EXV #2 red to J5-6, green to J5-5 white to J5-2 black to J5-1

    I made a copy of this page and put it with the wiring diagram when upgraded to the SEHI from the SEO valves

  10. #10
    Join Date
    Nov 2011
    Location
    South Texas
    Posts
    68
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    Thanks a bunch good to have this

  11. #11
    Join Date
    Oct 2003
    Location
    tidewater, va
    Posts
    2,150
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    page 70
    Attached Files Attached Files

  12. #12
    Join Date
    Feb 2013
    Posts
    3
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    helps a lot to have the crimping tool and some extra plugs

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