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  1. #1
    Join Date
    Mar 2011
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    2
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    sizing a compressor

    Dear friends,

    What is the good reference (data) found in the compressor nameplate in choosing the size of a compressor and how to use it. Assuming there is no chart available and the cooling requirement is available. likewise, the size of evaporator and condenser required. i need to know a faster general estimation.

  2. #2
    Join Date
    Mar 2004
    Location
    Grottoes VA
    Posts
    5,856
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    call the supply house and have then cross it.
    Karst means cave. So, I search for caves.

  3. #3
    Join Date
    Apr 2010
    Location
    southern california
    Posts
    535
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    Karst is right. You are asking a loaded question. There are way to many variables, like evaporator temp, condensing temp, latent load, heat pump/ non heat pump/ refrigerant, lubricant, etc.

  4. #4
    Join Date
    Mar 2011
    Posts
    2
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    Let me rephrase my need. Mostly gas compressor do not have a cooling capacity on the nameplate, how can you approximate a cooling capacity of a gas compressor base on its nameplate data? Without using a performance chart. Can i use the FLA and how?

  5. #5
    Join Date
    Mar 2008
    Location
    mesa arizona
    Posts
    309
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    Thumbs up hey

    usually by the model number if its tecumseh or bristol or copeland.....u can tell the tonnage ......by fla that would hard to determine but u can cross reference by callin a local supply house

  6. #6
    Join Date
    May 2009
    Posts
    520
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    Their has to be a model # somewhere on it, if not its probably so old you need to replace it anyways

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