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  1. #1
    Join Date
    Jul 2006
    Posts
    2
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    Hmm

    I have recently been having trouble obtaining the proper superheat on residential A/C systems,and have asked several people how they calculate superheat.Well I have gotten as many different answers as people I have asked.

  2. #2
    Join Date
    Jul 2006
    Posts
    40
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    I sometimes do a quick method which is i take my suction pressure convert to temp. Measure my temp coming out of the evap coil and subtract the two.

  3. #3
    Join Date
    Jul 2006
    Posts
    2
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    How do you convert the suction pressure to temp???

  4. #4
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
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    Originally posted by pbac
    How do you convert the suction pressure to temp???
    Are you in the trade or a DIY???

  5. #5
    Join Date
    Aug 2003
    Location
    Fort Worth, TX
    Posts
    11,471
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    Building Physics Rule #1: Hot flows to cold.


    Building Physics Rule #2:
    Higher air pressure moves toward lower air pressure


    Building Physics Rule #3:
    Higher moisture concentration moves toward lower moisture concentration.

  6. #6
    Join Date
    Apr 2009
    Posts
    1
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    How do I calculate superheat?

  7. #7
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
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    Quote Originally Posted by wedding 1953 View Post
    How do I calculate superheat?
    Superheat = Suction Line Temperature - Saturated Suction Temperature

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