Cooling of Large Water Volume

Discussion in 'Test Kits, Controllers, Reactors and Dosers' started by Dober Man, 20 Jun 2007.

  1. Dober Man

    Dober Man

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    Lets say that one has a 4 thousand litres to cool. Do you guys think it will be more cost effective to use an aircon in the room, or conventional aquarium chillers?
     
    Last edited: 20 Jun 2007
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  3. Mekaeel

    Mekaeel Moderator MASA Contributor

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    i guess you gotta take into consideration the size of the room in regards to an aircon,then it can be decided on what size can be used
     
  4. Dober Man

    Dober Man Thread Starter

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    Well, the tank would be in a room that would require a 9000 btu aircon.

    Obviously i do not want to waste money monthly on electricity unneccessarily, so what would be cheapest?
     
  5. Kanga

    Kanga Retired Moderator MASA Contributor

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    I would opt for the chiller Route, but thats just my opinion
     
  6. Dober Man

    Dober Man Thread Starter

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    Chilling is probably a lot more accurate, but the cost implications in the long term might be an issue. I will probably add one of those twirly extractor fan thingys on the roof.
     
  7. Mekaeel

    Mekaeel Moderator MASA Contributor

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    what type of lighting is to be used on this system ej?
     
  8. Dober Man

    Dober Man Thread Starter

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    just t5's and t8's, so not muxh heat will be generated by the lighting. All pumps will be external as well. I am worried about the ambient temperature doing funny things.
     
  9. Kanga

    Kanga Retired Moderator MASA Contributor

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    those twirly thingies are great Doberman
     
  10. Dober Man

    Dober Man Thread Starter

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    Maybe use the twirly thing and the chillers in conjunction?
     
  11. SIMS

    SIMS

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    Well I tried tha aircon thing but to be honest it does not work too great and cost abour R250 to run for the month and you still get temp swings. I would go the chiller route and have it outside so it does not heat up the room - also a twirly would help a bit...
     
  12. Dober Man

    Dober Man Thread Starter

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    That is the issue with the aircon, it doesn't allow "pin-point" accuracy with regard to temperature.

    The room will be insulated, with polystyrene on the walls, and "think pink" stuff in the roof. I also reckon that a water volume of somewhere between 4 and 6 thousand litres will take a while to rise/fall in temp.
     
  13. SIMS

    SIMS

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    Yip it will be less affected by day and night at 6000l but over a year a chiller will work out cheaper - IMO
     
  14. SIMS

    SIMS

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    Wow just hit me do you get a chiller for 6000l?
     
  15. Dober Man

    Dober Man Thread Starter

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    I think i would need 2 or 3 of those chillers that NP sells.
     
  16. Galibore

    Galibore Retired Moderator

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    What would be the worst case power consumption of those chillers?
     
  17. Dober Man

    Dober Man Thread Starter

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    The AM titan 4000 uses 1500w

    Recommended or aquariums up to 4000l
     
  18. Mekaeel

    Mekaeel Moderator MASA Contributor

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    i feel an aircon should do the trick since you not burning halides.what you guys think?
     
  19. fisheye

    fisheye

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    If practical,evapourative cooling,only downside is auto top up a neccesity and method to move air(vent and fans,twirly thingy)must be to outside of room(need duct)
     
  20. Kanga

    Kanga Retired Moderator MASA Contributor

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  21. Galibore

    Galibore Retired Moderator

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    So if you use two of them, it's 3kW.
    3kW x 24hours x 31days = 2232kWH
    At about 50c / kWH the worst case cost would be about R1,116 / month.
    But ofcourse it won't be on all the time. Above is worst case.
     
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