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  1. Why are you starting another thread on this same...

    Why are you starting another thread on this same question?

    You got answers here - http://hvac-talk.com/vbb/showthread.php?1633161-What-are-the-numbers-on-the-yellow-wire-on-diagram
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    No I don't. One, we don't discuss prices on...

    No I don't.

    One, we don't discuss prices on this forum, and two, prices will vary with the area you live and service company you hire.

    Just remember, your safety shouldn't have a price tag.
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    Working doesn’t necessarily mean safe. Be sure...

    Working doesn’t necessarily mean safe.

    Be sure to have the Heat Exchanger checked for cracks and a combustion analysis performed by a licensed technician to ensure it isn’t producing high levels...
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    I was able to dig up a product manual to this...

    I was able to dig up a product manual to this unit, and it is dated 1960.

    If you want to see it, send me an email.
  5. It is just a number ID system. Meaning, its...

    It is just a number ID system.

    Meaning, its telling you how many Yellow (YL) colored wires are on that particular diagram.

    The first Yellow wire is YL, the second Yellow wire is YL/1, the...
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    I was on the phone with my Local Carrier tech...

    I was on the phone with my Local Carrier tech support today for another issue and ask them if they could look this serial number up. They said it was a 1960's model year, but they could not provide...
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    Have you run the unit in heat mode and tested the...

    Have you run the unit in heat mode and tested the defrost control that way too?

    Unless you can be there when the motor stops to quickly test and see if the motor is losing voltage, I would suspect...
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    I emailed you a Copeland Application Guide that...

    I emailed you a Copeland Application Guide that shows what scroll compressors have a discharge check valve.
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    I would think if you just shorted TEST to Common,...

    I would think if you just shorted TEST to Common, without installing the usual jumper from T2 to DFT (indicating the DT is closed), and the fan stopped, that would be a good indication the DT is...
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    This unit has a time/temp defrost board, with a...

    This unit has a time/temp defrost board, with a defrost thermostat - correct?

    If the defrost thermostat (DT) closes (for what ever reason) the defrost timer will start a count down (30-60-90...
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  12. Thread: Trane RTU

    by rundawg
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    I just emailed you the Service Facts. According...

    I just emailed you the Service Facts. According to the Service Facts, it is a 2 speed motor.
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    I emailed you the service manual. Page 47 and...

    I emailed you the service manual.

    Page 47 and 63 talk about code 46, which is a Suction Pipe Sensor error.

    Hope this helps.
  14. Maybe an understanding of capacitor voltage...

    Maybe an understanding of capacitor voltage ratings will help you see why it doesn't matter, and let you better explain it to other techs who are also confused on this subject.


    The voltage...
  15. Thread: My Knee....

    by rundawg
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    I know you have gotten a lot of flack on this,...

    I know you have gotten a lot of flack on this, but let me give you a little Rundawg insight. Please take it for what it is - my opinion.

    I had knee surgery many years ago, and like my shoulder...
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    Yes that was probably a bad assumption on my part...

    Yes that was probably a bad assumption on my part that he would know that.

    I'm not 100% sure it will turn the light bulb on, but thanks for bringing it up.
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    The true answer to this question is most likely...

    The true answer to this question is most likely above my pay grade.

    As beenthere mentioned previously, each manufactures, each model, and each SEER rated unit may have a slightly different...
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    While in the cooling mode, the heat added at the...

    While in the cooling mode, the heat added at the indoor coil (latent heat of vaporization), plus any superheating of the vapor prior to reaching the compressor, plus the heat of compression of the...
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    The sensor is on the outdoor coil, not the indoor...

    The sensor is on the outdoor coil, not the indoor coil.

    Just realized you have two threads going on this same subject. In the future, only have one.
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    Remember while in defrost mode, the reversing...

    Remember while in defrost mode, the reversing valve has chanced the unit back to the cooling cycle, where the outdoor unit is now the condenser. A gas temperature of at least 70f isnt an issue when...
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    As beenthere stated, there is no magical 68f...

    As beenthere stated, there is no magical 68f number for all heat pumps. It is where the manufacturer has determined the coil temp has to get to in order to ensure complete defrosting of the coil.
    ...
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    I emailed you one that one of our forum members...

    I emailed you one that one of our forum members (penderway) put together awhile back.
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    Yes it was, and is why I was asking if the...

    Yes it was, and is why I was asking if the manufacturing number might be off.
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    It seems your email address is bad, so send me...

    It seems your email address is bad, so send me the correct one, and I will get off to you what I have on this model so you can look at a picture of it.
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    Any chance that manufacturing number was a...

    Any chance that manufacturing number was a P55200-6C?

    If so, then it is a CRH3-1, or a 3 ton unit.
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