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  1. #1
    Join Date
    Jul 2013
    Location
    Ontario,canada
    Posts
    56

    liquid temp 60 f

    I heard another tech say liquid temp is always 90 F for ac and 60 F refrigeration, is that just rule of thumb?

  2. #2
    Join Date
    Aug 2012
    Location
    Newfoundland Canada
    Posts
    9
    Quote Originally Posted by dav214 View Post
    I heard another tech say liquid temp is always 90 F for ac and 60 F refrigeration, is that just rule of thumb?
    Nope liquid line temp is dictated by ambient temp and sub cooling. 10 to 15 degrees is close to normal. How you can get 60 liquid temp when ambient is 90 is beyond my knowledge

  3. #3
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,777
    Quote Originally Posted by thirty years View Post
    Nope liquid line temp is dictated by ambient temp and sub cooling. 10 to 15 degrees is close to normal. How you can get 60 liquid temp when ambient is 90 is beyond my knowledge
    With mechanical subcooling, I do it all the time.

    Rules of thumb tend to depend on the size of the hand applying them.

    I wouldn't rely on them at all.

  4. #4
    Join Date
    Jan 2013
    Location
    florida
    Posts
    717
    maybe he was talking about suction line temp...

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