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  1. #14
    Join Date
    Jul 2018
    Location
    Kazakhstan
    Posts
    22
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    Suppose that Aqua products DCS/DCP series chiller incorporates air cooled 38AK condensing units.

  2. #15
    Join Date
    Aug 2009
    Location
    Prattville, Alabama
    Posts
    3,476
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    Why is a chiller being troubleshot (?) and chilled water temperature hasn't even been mentioned? Jayguy alluded to it, twice (!) and we still don't know. Or have I just missed it?
    In honor of RichardL: "Ain't 'None' of us as smart as 'All' of us".

  3. #16
    Join Date
    Aug 2009
    Location
    Prattville, Alabama
    Posts
    3,476
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    One of the first actions on a chiller call should be to check water flow. 14 posts in and I have yet to see any numbers on that. Entering and leaving, pressure and temperature. And that's just for starters.
    In honor of RichardL: "Ain't 'None' of us as smart as 'All' of us".

  4. #17
    Join Date
    Sep 2002
    Posts
    25,572
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    I do give the originator credit for at least supplying some numbers. That alone is a quantum leap forward here. <g>

    And in his defense: I have the impression that he is more of an air-coil kind of guy - and not a chiller-guy. <g>

    Going back to his (admittedly too few <g>) numbers: with the sub cooling low, and the suction pressure and SSH high, and based only on the furnished numbers: my first guess is lack of charge.

    Would either high or low water flow cause those symptoms?

    I agree that we should have those numbers - but what about what we Do know would point to a flow issue?
    PHM
    --------
    The conventional view serves to protect us from the painful job of thinking.

  5. #18
    Join Date
    Sep 2002
    Posts
    25,572
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    Is it just me who always reads these posts and the whole time has a screaming voice in his head:

    If only I should SEE and TOUCH this unit!!! In five minutes I would know what was going on with it!!!

    <g>
    PHM
    --------
    The conventional view serves to protect us from the painful job of thinking.

  6. #19
    Join Date
    Feb 2010
    Location
    montreal
    Posts
    279
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    Water temp will let's us see if he as some high load on the evap (he got a high Suct sat temp)
    With high TD we could see if flow is good or not.

    Partial number lead only to partial or wrong diagnostic.

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