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  1. #1
    Join Date
    Nov 2019
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    York RTU Model # D7CG060N09925BDA

    Good evening all
    Thanks in advance for your help with this. I have a York RTU that will not work on a call for heat. The sequence of operation seems to work as it should. I have power to the combustion motor (2 - 120 volt leads) but it will not turn. I replaced the motor and the same thing happens which is nothing. On the bottom of the motor there is 2 red wires. One red wire goes to one end flame roll out switch and the other end to the roll out terminal on the ignition control module. (I do have 24 volts on both sides of the switch) the other red wire goes to the TH terminal on the ignition control module. I feel like it is something simple but I just cant place my finger on it. Any suggestions will be greatly appreciated.

    Thanks,
    Luis
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  2. #2
    Join Date
    Sep 2007
    Location
    edmonds wa
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    Its a 240 volt motor so you will have 120 to each wire. Not a DIY site.
    UA Local 32 retired as of Jan 2020

  3. #3
    Join Date
    Jun 2014
    Location
    Dover, DE
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    2-120 V leads?
    Thats not correct.
    Whats the heat exchanger look like in that thing. Ive condemned thousands. Literally.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  4. #4
    Join Date
    Nov 2019
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    Thread Starter
    Not sure what the heat exchanger looks like. Could this be the cause of why it wont start? Blower motor is working....

  5. #5
    Join Date
    Jun 2014
    Location
    Dover, DE
    Posts
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    I think it’s time to call your service company.
    Your not using your meter correctly.
    And the heat exchanger needs to be checked for cracks and rot. They go soft on the seams and at the bottom of the first bend.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  6. #6
    Join Date
    Nov 2019
    Posts
    4
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    Thread Starter
    Inducer shows the wiring diagram.
    Black - line
    Black - line
    Red
    Red
    Inducer is hooked up the same exact way as the other. Again, seems like its right there.

  7. #7
    Join Date
    Jun 2014
    Location
    Dover, DE
    Posts
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    Yup, you have that right.
    But your not using your meter right.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  8. #8
    Join Date
    Nov 2019
    Posts
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    Thread Starter
    Are you familiar with these units? What should I check for? Thanks

  9. #9
    Join Date
    Jun 2014
    Location
    Dover, DE
    Posts
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    I’m very familiar. Been working on them for 18 years.
    But this site doesn’t offer any diy instruction.
    So how about you tell us about yourself. Are you the equipment owner, facility maintenance, new tech?
    If your a tech apply for pro membership, we can get into detail in the professional section.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  10. #10
    Join Date
    Jan 2004
    Location
    PA
    Posts
    78,405
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    Sorry, this is not a DIY site.

    Thread closed.
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