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divebud

Active member
Joined
Jan 13, 2005
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38
Location
Jupiter, Fl
Has anyone done any work with one of those 12v thermo electric coolers. I have one on the boat and it keeps things really cool for hours running at 12v and it has a power adaptor. I was thinking along the lines of plumbing a small one in line ?

Any thoughts ?
 

Ed Hahn

Life is A Highway...
Joined
Jan 27, 2004
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3,955
Location
Kennewick, Wa
divebud said:
Has anyone done any work with one of those 12v thermo electric coolers. I have one on the boat and it keeps things really cool for hours running at 12v and it has a power adaptor. I was thinking along the lines of plumbing a small one in line ?

Any thoughts ?
Hello Divebud,
I have considered doing this. I was thinking of putting a digital thermometer into it. I thermometer that has two readings one inside and other with remote reader. I thought if I did that I could control the temp or preset it. If you do this please let me know how it works out. I thought if you put water inside it to test it prior to use. Again, I believe it will work, but have not tried it..
Good luck,
Ed :)
 

LakeEd

Achilles
Joined
Jun 16, 2004
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1,333
Location
Bremerton, WA
I'd be interested in hearing what you come up with on this as well. My biggest concern would be the type of tubing used. I may be silly, but I'm thinkin copper anywhere, would be a bad thang.
 

divebud

Active member
Joined
Jan 13, 2005
Messages
38
Location
Jupiter, Fl
All I need is a small drop in temp. I have used the cooler extensivly on the boat. It will drop the temp about 40 deg with a very low draw at 12v. For the tank I just need a small drop about 5-10 degrees. I have not looked at the smaller units, but the plan is either direct plumb it in line as a cooling tank or run some coiled plastic tubing inside. The tubing will definatly insulate the water a greatly reduce the cooling effect. In line the water will flow thru quickly so there cooling effect will not be that great either. I could also possiably run it off a small power head for reduced flow.

Who knows, it's just an idea in the planning stage. I will post any updates.
 

LakeEd

Achilles
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Jun 16, 2004
Messages
1,333
Location
Bremerton, WA
Do you happen to have a link, to the type of 12v thermo electric coolers you're thinking about using? Who knows, more people putting their heads together may come up with ideas and concerns quicker.
 

divebud

Active member
Joined
Jan 13, 2005
Messages
38
Location
Jupiter, Fl
I don't really have one in mind yet, just kicking around some ideas. I have seen small ones at the mart stores pretty cheap. I will probably pick one up for some testing.
 

bigb

New member
Joined
Oct 20, 2004
Messages
3
Location
Alberta canada
Speaking from experience as an HVAC-R tech. The cooling system in the cooler and the cool work iceprobe are called absorbtion chillers. Very efficient way of chilling and maintaining a stand a lone heat source. but inefficient way of cooling a continues heat source like an aquarium I wont get carried away in explaining why trust me the math doesn't work. I have made several chillers from old refrigerators but this is in practical if you don't have the tools. But here is a cost effective simple project. I recently picked up a portable bottle water cooler from Home Depot. Sunbeam model 0147/0148.Price was $98.00 Canadian This unit has a conventional cooling system, compressor, evaporator and condenser. The heat exchanger is stainless steel. I haven't finished this project but looking at the heat exchanger it should be easy to plumb in for continuos flow. At a flow rate of around 40 to 50 gal hr it should cool a td of around 10.f for a tank around 120g
 
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