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Thread: Airconditioning

  1. 28-05-2008, 03:26 PM #1
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    Red face Airconditioning



    One Machines All Other Details Is Missing, But Only The Lra Is Showing The Machine .how To Calculate Or Convert In To Hp Or Kw.


  2. 28-05-2008, 05:13 PM #2
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    Re: Airconditioning

    Kw = (LRA x voltage)/1000 (input power only)

    cooling power (rough guide)

    Kw = (air on degrees C - air off degrees C) x air volume across evap x specific heat value of your air.( maybe 1.1 I dont really know)
  3. 29-05-2008, 09:38 AM #3
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    Arrow Re: Airconditioning

    Hi.
    Trash As Per Your Instructon It Is Not Getting Me , Please Calculate 96.5 Lra . This Is A Seald Compressor Copeland .
  4. 29-05-2008, 11:02 AM #4
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    Quote Originally Posted by V.ARIAN.SHANKAR View Post
    One Machines All Other Details Is Missing, But Only The Lra Is Showing The Machine .how To Calculate Or Convert In To Hp Or Kw.
    you can't, LRA doesn't tell you much. Does it run? If so get FLA, if not what is the overload current setting? That's normally a certain percentage over FLA, like 10-15%.
    Edit: some set it to 20% though
    Last edited by paul_h; 29-05-2008 at 11:06 AM.
  5. 29-05-2008, 03:06 PM #5
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    Re: Airconditioning

    Just a rough guesstamate, based upon your LRA.
    - 6kw motor. - 30kw cooling capacity.
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