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  1. #40
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    Ohhh

  2. #41
    Join Date
    Dec 2008
    Location
    NW Iowa
    Posts
    125
    Quote Originally Posted by Tommy knocker View Post
    Spraying or misting mineral latent water on to an air cooled cond coil is like giving it a crack pipe. It wil be very happy and feel real good. It will however develop an addiction. It will eventually refuse to operate without it as well as demand more and more. The minerals will plate out on the coil insulating it requiring more water and so on. The cooling tower comparison is invalid due to application. A cooling tower flows warm water over the fill, same temp as the water, and air is drawn through to absorb the heat from the water. Cool water sprayed onto a hot coil will cause the minerals to plate out much much faster and directly onto the coil.
    Agree.

  3. #42
    Join Date
    Oct 2011
    Location
    between here and over there
    Posts
    453
    I can see this as increasing the surface area of the condenser for it to reject for heat, however thats not how the engineer designed the equipment. I have replaced many of coil because a homeowner installed or a contractor sold them one of those mist sprays.. 8 months later Im there replacing the coil because the minerals in the water broke down the metal in the coil.
    ®

  4. #43
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,962
    Quote Originally Posted by wolfdog View Post
    If you are pumping it on Goodman units.....
    Yes, I have pumped condensate onto Goodman units, and they hold up just fine. In fact, when I inspected condensing units in Cayman after Hurrican Ivan all but wiped out Grand Cayman, the old Goodman condensers with the cheap black coating held up second best of all of the brands I inspected.

    I was working under Carnak from this forum (recently deceased), and the only thing we could figure out was that because Goodman coils are the only coils manufactured using non-evaporative oil, that there must be a residual coating that protected the Goodman coils.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  5. #44
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,962
    Condensate does not contain minerals because it was previously water vapor.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  6. #45
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,724
    I would think that would also go for conditioned water from a water softener too??


    Quote Originally Posted by RoBoTeq View Post
    Condensate does not contain minerals because it was previously water vapor.

  7. #46
    I dont disagree that minerals are a problem and depending on the water in ones town more so some places than others. Yes aluminum can have issues with some descalers but Im telling you thru actual experience and doing the deed not just theorizing how it should act that it works and works well. Obviously this is more practical on smaller AC units that are ground based so a person can monitor build up and address it with demineralizing easier and we arent talking using a full concentrate descaler nor waiting until your cooling fins have become so encrusted that its impossible to remove all deposits. My applications did not needed any sort or actions and it ran all summer in Las Vegas. In fact the light amount of depositing that did happen seems to saturate with water and actually improved cooling even better. This isnt a cure all without some intervention. There is always a trade off. You need better cooling, you are going to have SOME more work than just leaving things status quo but it works and works well. I havent spent years of R&D to perfect the application as I'm not looking to promote some sort of sale of a product to do such a thing, I did it with items kicking around the house and common sense knowledge and experimenting. And it worked.. Most on here just give a short bashing on an idea without knowing although there have been some with actual helpful thoughts and truths. I think many are so content with how things are in general on any topic that they would bash an idea out of looking into further. ANyone still content with the horse and buggy?? Why do we need cars?

  8. #47
    Join Date
    Jun 2011
    Posts
    398
    Quote Originally Posted by rojacman View Post
    hey Kevin , could you elaborate on your statement "overall freon flow will be reduced , lowering total cooling"........does misting the condenser make that large of a difference to the unit subcooling to affect its performance????? I was going to post about fouling the condenser also . at o'hare airport we found a rooftop full of units that were repainted But no one told the workers not to paint the coils , subject for a different thread.........Jack
    Most systems are designed for a 90F design day temperature, corresponding to a saturated condensing temperature of ~120F (on standard efficiency coils). Metering devices are calibrated to work best at these specs. Metering devices work off of a pressure differential between the high and low side. If your head pressure is too low, then refrigerant flow suffers. You can kind of think of it as a push-pull kind of effect. This is why, in areas like Coastal British Columbia, where you are lucky to see 10 days a year reach 90F we have condenser fan cycling, which artificially raises the head pressure.

  9. #48
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,962
    Hell...no! Water softeners are terrible! Where do you think that tank full of minerals goes?
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  10. #49
    Join Date
    Jan 2009
    Location
    Keokuk, IA
    Posts
    5,520
    No way there enough benefit offset the risk.

    So instead of a eer of let's say 12 on a new unit at 90f, we get the dry bulb temp to 80f, so we improve to what 14? What that 15%. Big deal. How much maintenance and water do you need. If the condenser users let's say 1500cfm, you'll need 2gph evaporated to cool the air 10f. 1/2 of that could be supplied by condensate. But you need nozzles and a small pump. For a proper setup, you could be into it for quite a bit of money.

    For the coast of all that, you could just have bought a higher seer unit in the first place or added insulation, sealed air leaks in the home, etc.



    Sent from my SGPT12 using Tapatalk 2

  11. #50
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,724
    Here is company that offers something similar on a large scale and they use a water softener when it comes to water treatment.

    http://www.evaporcool.com/

  12. #51
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    Quote Originally Posted by crazytekkie View Post
    I dont disagree that minerals are a problem and depending on the water in ones town more so some places than others. Yes aluminum can have issues with some descalers but Im telling you thru actual experience and doing the deed not just theorizing how it should act that it works and works well. Obviously this is more practical on smaller AC units that are ground based so a person can monitor build up and address it with demineralizing easier and we arent talking using a full concentrate descaler nor waiting until your cooling fins have become so encrusted that its impossible to remove all deposits. My applications did not needed any sort or actions and it ran all summer in Las Vegas. In fact the light amount of depositing that did happen seems to saturate with water and actually improved cooling even better. This isnt a cure all without some intervention. There is always a trade off. You need better cooling, you are going to have SOME more work than just leaving things status quo but it works and works well. I havent spent years of R&D to perfect the application as I'm not looking to promote some sort of sale of a product to do such a thing, I did it with items kicking around the house and common sense knowledge and experimenting. And it worked.. Most on here just give a short bashing on an idea without knowing although there have been some with actual helpful thoughts and truths. I think many are so content with how things are in general on any topic that they would bash an idea out of looking into further. ANyone still content with the horse and buggy?? Why do we need cars?
    Congrats on getting yours to work at an acceptable level for you. As for experience in this subject? I have lots. Replaced A LOT of coils due to this I bet I can make it work better idea. I remember a large super market with a couple racks and several remote refer condensers off the top of my head. They had a maint staff that thought they could make them work better. Made a real pretty distribution system with nozzles and everything. Destroyed every coil in one summer. Oops. Like I said its a crack pipe for air cooled refrigeration systems. They love it. Love it to death.

  13. #52
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,915
    My water ain't free, and it has chlorine in it.
    If more government is the answer, then it's a really stupid question.

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