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

    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
    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
    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
    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

    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
    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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