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Hydroponic Chillers

Discussion in 'Hydroponics / Aeroponics' started by gvega187, May 11, 2008.


    unity Well-Known Member

    Run a chiller that is designed for the volume of water you are trying to cool. Compression cycles (ac/chillers/dehumidifiers etc.) use most of their power during start up (Locked Rotor Amps), running load amps (RLA) are a fraction of that. By over sizing a chiller you will cause the chiller to cycle far more often then it would if it was sized correctly, therefore using more electricity. I hope this makes sense, I'm a mechanical contractor...
    I would get a chiller that requirres an external pump (most do anyway), furthermore, get a pump that is not submersed in the res. (didn't notice one in the drawing, hope you are planning on a res). An external pump (not submersed) will have almost none of the heat generated from operation conduct into your res., which would add a heat load to the res. that in turn the chiller would have to remove again.
    If the ambient temperatures (air temp around the res.) are higher then the water temps you should insulate the res as well.
    Disposition84 is right, you want to run the chiller 24/7, if you do what I told you above the chiller will not run much during lights out ;)
    Alright, let's leave it at that for now.


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