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Discussion Starter #1
Considering I am already pre-wired/plumbed for a TEC (2 heatercores, etc.) I think a move to a TEC would be prudent considering I am hovering well over 45C.<br />
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First- I would only use a TEC once I had my waterblock built that I know would be able to cool it effectively...My little Storm can't handle that type of heat load. I am in the process of designing a waterblock that can handle the size of a 437W pelt, the standard one...<br />
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Any ideas? Pinhead, can you give me some suggestions as to what you did to create your variable PSU?
 

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I'm interested in this as well for my folding rig. Is there a TEC/WC block combo I can simply swap out with my existing CPU waterblock?
 

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Discussion Starter #3
ATM, there are few blocks that handle such a heat load- I am in the process of designing some, which when I purchase advertising space from admin I'll be able to talk about some more....Until then, choices are limited- There used to be a good one, the Dominator Pro.<br />
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Oh, and Pinhead, I wouldn't like to go below ambient- Just want to cool things down some.
 

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There is a Waterblock/TEC in one type of thing. The best one I can think of is the Swiftech 6002 which uses a 226 watt peltier.<br><br>
I'm excited to see your custom TEC Burn =D
 

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Discussion Starter #5
After giving it some thought: I want to get down to around 22C- That is right around 72F, or the hottest my room will ever get. I am guessing I'll need to get the voltage just right so that I can maintain the right range..Any variable PSU suggestions?
 

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<a href="http://www.sidewindercomputers.com/mese6024vsio.html" target="_blank">http://www.sidewindercomputers.com/mese6024vsio.html</a><br />
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I have a 15v 300w mean well like this, this one doesn't have a cooling fan tho ??
 

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Discussion Starter #7
I found my PSU <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /><br />
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Meanwell MS-300A, model 2F.<br />
<a href="http://www.switching-powersupplies.com/shop/modular-series/ms-300.html" target="_blank">http://www.switching-powersupplies.c...es/ms-300.html</a><br />
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Adjustable from 13.2-16.8 V DC, and throws out 23A at peak.<br />
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Using <a href="http://xtremesystems.org/forums/showthread.php?t=67927" target="_blank">this</a> TEC undervolting chart, I figured that I would use, at absolute maximum, 20A- Below the maximum current of this power supply. It is able to provide 23A peak for a 30% duty cycle, or 20 seconds for every 60 seconds used...I hope that I stay well below the max current. More likely, according to the charts, the 18-14 amp range....Between 12 and 15 volts DC.<br />
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And 98 bucks! Steal!<br />
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Edit- Found out the rated current is 20A from the user's manual on meanwell.com.
 

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Sorry I didn't reply sooner. I don't really have a variable PSU unless I take it all apart again. I built the "more reliable" one that I posted (sticky in the TEC secion). To make it variable, you basically have to be lucky enough to find three PSU's that have voltage adjusting pots on their circuitboards.<br />
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My 437w Arctic Web was able to cool right to 28°C full load, 5V to the peltier on my X2 3800+ at 2.5Ghz and 1.5v. If you don't want subzero temps, just hook the peltier to the 12v output of a spare ATX PSU. That should give you the temps you desire (assuming your block/cooling is working as it should).
 

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<a href="http://hardocp.com/article.html?art=Nzg5LCwsaGVudGh1c2lhc3Q=" target="_blank">http://hardocp.com/article.html?art=...VudGh1c2lhc3Q=</a><br />
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If you're interested, I have the email for the guy that made these. He's still around, and does have some inventory left.
 
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You know how to contact Devin?? Do you know why they quit selling them? The Arctic Web was the <i>only</i> high performance TEC on the market, and the only one even worth buying!!
 

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<div style="margin:20px;margin-top:5px;">
<div class="smallfont" style="margin-bottom:2px;">Quote:</div>
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<div>Originally Posted by <strong>Pinhead-227</strong> <a href="showthread.php?s=fb118d83aa0ea05832d812d721028acf&p=1383958#post1383958"><img alt="View Post" class="inlineimg" src="http://static.overclock.net//img/forum/go_quote.gif" style="border:0px solid;"></a></div>
<div style="font-style:italic;">You know how to contact Devon?? Do you know why they quit selling them? The Arctic Web was the <i>only</i> high performance TEC on the market, and the only one even worth buying!!</div>
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Yes, I've been in contact with him a couple of times about this. I'll pm you his email.<br><br>
By the way, It's Devin, not Devon.
 

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As far as why they dropped off the market, I believe it had more to do with it being such a niche market that it wasn't profitable for Devin to continue on a semi-large scale. I could be wrong on that, but I know it had nothing to do with the quality of the product.
 

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<div style="margin:20px;margin-top:5px;">
<div class="smallfont" style="margin-bottom:2px;">Quote:</div>
<table border="0" cellpadding="6" cellspacing="0" width="99%"><tr><td class="alt2" style="border:1px inset;">
<div>Originally Posted by <strong>Witchfire</strong> <a href="showthread.php?s=fb118d83aa0ea05832d812d721028acf&p=1384016#post1384016"><img alt="View Post" class="inlineimg" src="http://static.overclock.net//img/forum/go_quote.gif" style="border:0px solid;"></a></div>
<div style="font-style:italic;">but I know it had nothing to do with the quality of the product.</div>
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You've got that right!! It's the one component on my PC that I haven't worried about since I installed it!
 

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Discussion Starter #14
Pinhead, do you think that PSU I posted in post 7 is a suitable power supply? I'd be interested to hear your input. Here are some specs copied off Meanwell's site:<br />
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20A Rated<br />
23A Peak rating<br />
13.2-16.8 Volts adjustable<br />
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Following the undervolting charts, if I were to use this PSU, I would be able to go right up to 16.8 volts, which would use very closely to 20A, the rated current. Keep in mind I am not going sub-ambient, so I probably will run less.<br />
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Thanks Witchfire for the info <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> I am pretty confident in this PSU- I don't see anything wrong with it, and it has some very good specs. For what I'm using it for, I don't see the need to step up to the 600W version...Unless there is another reason which I don't know of.<br />
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Thanks for the input guys!
 

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<div style="margin:20px; margin-top:5px; ">
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Originally Posted by <strong>Burn</strong>
<a href="showthread.php?s=fb118d83aa0ea05832d812d721028acf&p=1384485#post1384485" rel="nofollow"><img class="inlineimg" src="http://static.overclock.net//img/forum/go_quote.gif" border="0" alt="View Post" /></a>
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<div style="font-style:italic">Pinhead, do you think that PSU I posted in post 7 is a suitable power supply? I'd be interested to hear your input. Here are some specs copied off Meanwell's site:<br />
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20A Rated<br />
23A Peak rating<br />
13.2-16.8 Volts adjustable<br />
<br />
Following the undervolting charts, if I were to use this PSU, I would be able to go right up to 16.8 volts, which would use very closely to 20A, the rated current. Keep in mind I am not going sub-ambient, so I probably will run less.<br />
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Thanks Witchfire for the info <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> I am pretty confident in this PSU- I don't see anything wrong with it, and it has some very good specs. For what I'm using it for, I don't see the need to step up to the 600W version...Unless there is another reason which I don't know of.<br />
<br />
Thanks for the input guys!</div>

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</div>Oh yeah, it'll work. It's just a little overkill for what you're trying to do. If you don't want sub-ambient, you'll be running around 12v or less depending on your CPU. The specs are perfect, but overpriced for how you'll be using it. <br />
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On my 437w TEC with 13.5v I was getting -5°C full load... That's a long ways from ambient. The adjustability of that PSU will make temperatures more user-definable, though. Keep in mind that there will be quite a swing from idle to load when severely undervolting the TEC. You'll still have to have the block/cpu/mobo insulated for idle conditioins if you want to keep decent load temps.
 

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Discussion Starter #16
I <b>almost</b> always run FAH on it- The only time it sees idle useage is startup <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> However, I will indeed run some insulation...Any ideas on running something removable in case I have to RMA the board? I see all sorts of guides out there, what would you suggest?
 

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The conformal coating that I got from work is visible under a blacklight and can be used to help seal your urethane to the motherboard. You'll probably still need dielectric grease, etc in the socket and directly around the CPU. Even if the TEC gets only a few degrees below ambient, running 24/7 can allow a LOT of water to condense. I'd just use vaseline and urethane insulation around the socket to protect from condensation. The vaseline should be pretty easy to clean up with some q-tips and rubbing alcohol.
 

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Discussion Starter #18
Cool <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> I have vaseline, should be no problem...Now for the urethane insulation.<br />
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And I can go down to 13.2 volts- If I need to go lower, I can switch over to, say, another PSU <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> I think my new potential case might have such a feature! 2 PSU support <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />
 

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At around 13 volts you're likely to see subzero idle temperatures (if it ever does idle) and close to zero degree load temps (maybe 5°C to 10°C) depending on your pump and heatercores. You'll want massive flow through the block, as even at half voltage there is still a lot of heat to pump away. Good luck and I look foreward to finally seeing a TEC built completely <i>in</i> a case!
 

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Discussion Starter #20
<img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> I assume you have seen my rad box, no? Look in my gallery.<br />
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It seems that PSU will be the one then- Under $100, which is awesome!
 
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