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  1. #1

    Is this noise coming from my Heat Pump normal?

    Hi,

    Is this start-up noise coming from my Rheem 13PJL30A01 heat pump normal? It makes the same noise is heat or cool mode.

    Here is a link to a Youtube video.

    Thanks

    http://www.youtube.com/watch?v=FkeTik1sU5E

  2. #2
    Join Date
    Feb 2008
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    How old is the unit?
    If Guns Kill People, Do Pencils Misspell Words?

    http://www.youtube.com/watch?v=An2a1...eature=related

    Before we work on artificial intelligence why don't we do something about natural stupidity?

  3. #3
    It's a few months old.

  4. #4
    Join Date
    Aug 2011
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    Eastern Shore, MD
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    some what normal. having a Hard start kit would help the system noise and life...Youre hearing the compressor trying to overcome inertia

  5. #5
    Join Date
    Feb 2008
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    Scroll compressors do make that noise on start up.

    I'd have the installing contractor come out and give everything a once over to make sure
    If Guns Kill People, Do Pencils Misspell Words?

    http://www.youtube.com/watch?v=An2a1...eature=related

    Before we work on artificial intelligence why don't we do something about natural stupidity?

  6. #6
    Join Date
    Oct 2011
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    south al.
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    thats pretty standard, a hard start kit may reduce it some. some of the higher efficiency units come with an insulated blanket around the compressor which helps to dampin the noise. you check to see if rheem can supply a blanket or you might be able to build something. good luck!

  7. #7
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    Your heat pump barks?

  8. #8
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    YES. It IS normal.

    NO, a start kit will not change this. The sound is the scrolls beginning to turn. It is not so much a matter of inertia, as it is a matter of the scrolls loading up and moving to the position they will hold under load.

    No reason for concern.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  9. #9
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    Nov 2006
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    Quote Originally Posted by mlc1955 View Post
    thats pretty standard, a hard start kit may reduce it some. some of the higher efficiency units come with an insulated blanket around the compressor which helps to dampin the noise. you check to see if rheem can supply a blanket or you might be able to build something. good luck!
    The last thing I would do is advise a home owner to get into the condensing unit and try and wrap a compressor. This raises issues of dangerous voltages and spinning fan blades.

    Will you or I be there to make sure such a person is safe while doing that?

    Nope.

    For that reason, a pro could install a blanket on it, but I don't believe one is needed.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  10. #10
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    never heard a scroll compressor bard before
    it sounded normal you could ask you contractor about a sound blanket on the compressor
    mat be a few bucks more but will make a big differance

  11. #11
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    Indianapolis, IN, USA
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    Sounds normal to me too.

    In an area that doesn't go below freezing?

  12. #12
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    Aug 2011
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    That is breaking inertia...

  13. #13
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    Quote Originally Posted by tinknocker service tech View Post
    never heard a scroll compressor bard before
    some of the newer rheem/ruud heat pumps don't use a contactor...

    but this is a discussion for a different area.


    and yes, a compressor blanket can make a difference.

    also, if there aren't vibration isolating pads under the condenser, they can aid in noise reduction as well.
    If Guns Kill People, Do Pencils Misspell Words?

    http://www.youtube.com/watch?v=An2a1...eature=related

    Before we work on artificial intelligence why don't we do something about natural stupidity?

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