TEC? some questions

[Orzash]

Hi,
My name is Or, i am from israel so my English isn't so good =P
now, i gonna buy a new DangerDen Water Cooling, and i want to take it to sub-zero Temps...
my computer:
-AMD Athlon 64Bit 3500+ Venice DH-3E, good Stepping?
-ABIT AN8 SLI - is it good for OC?
-Twinmos Value 1024MB 400Mhz RAM
-LeadTek PX6800GS 256MB 256Bit =O
-Hec 580W Ace (35A At the 12V, two rails =P)
and huge supertalent well cooled case =O

my water cooling:
DD TDX Water Block
Danger Den CSP-MAG 12 Volt Pump
Black Ice Pro III Radiator
3*TT Silent Wheel 13Cm Fans
all is 1/2" :>

What tec should i take? from DD only please =P
and how should i insulate it? can i buy insulation in their site? i dont know enything, explain all :>

and my PSU will be able to Hold this system with good voltage?

Thanks,
Or,

and if you have any other information that i should get, tell me :>

[littleowl]

Dear Or,
I am still kind of new to tec myself but I will tell you what I have learned so far! You will need to get a power supply just for the tec and I would recommend the 226 from dd. the insulation you would use is on dd as well here http://www.dangerdenstore.com/home.php?cat=31
I am not sure if the tdk can hold a 50mmx50mm tec!
Make sure you use a lot of conformal coating and dielectric grease! Read this for some more info! http://www.xtremesystems.org/forums/showthread.php?t=38367 and http://www.ocforums.com/showthread.php?t=309722 I hope these help you out! Between these and noob's advice mine runs great! Good luck

[Holst]

You cant use a TDX with a peltier.

You can only use maze4, which I think is a rubbish block for TEC use.

Can you not get a swiftech block?

[ls7corvete]

You cant use a TDX with a peltier.

You can only use maze4, which I think is a rubbish block for TEC use.

Can you not get a swiftech block?

Whats wrong with DDs stuff?

[n00b 0f l337]

The TDX doesnt work with pelts, and the maze4 doesnt cool enough of it.

[marvt74]

It performs worse.

Also bear in mind its unlikely you will hit sub zero temp wise with a tec

[n00b 0f l337]

Its quite likely he will with a 3500+ venice a good block and a medium pelt.

[Mr. Tinker]

Nope.

[n00b 0f l337]

Nope? Venice isnt exactly an oven on the heat scale. Common tinky.

[Orzash]

Then, if you say so, i guess you are right, you are professional...
ammm... What block Can i use for PALTIER? i mean without paltier, with the ability to add one...
and it will give good preformance too?
the price - max of 60$ =P
and i need store that sends to israel in low cost =O

Or.

[n00b 0f l337]

Hmmm I dunno about the store (also for the record i am drinking so excuse grammer and such).

Okay,
Block thats crappy but still better than maze? The standard swiftech one. Under $60? Tec isnt for you unle su can cheaply get blocks made at that budget.

[Orzash]

i mean 60$ for the block, paltier - later =O

[Mr. Tinker]

Nope? Venice isnt exactly an oven on the heat scale. Common tinky.
I said that then cause mine's running hot, but now I think that I have bad contact due to a shim being too high. We'll find out tonight.

[n00b 0f l337]

And youve also got the most crowded case I've ever seen :)

[ls7corvete]

The TDX doesnt work with pelts, and the maze4 doesnt cool enough of it.

Do you have temp comparisons?

swifty is still using alum afaik, each has its advantages. Im hard pressed to make sweeping recommendations like that without a better comparison put out, something TEC users are seriously lacking.

[n00b 0f l337]

Swiftech uses copper.

[Mr. Tinker]

And youve also got the most crowded case I've ever seen :)
nuh uh. Well, maybe, but it looks good from the outside.

Anyway, I removed my shim and now I'm getting ~2 idle, ~15C load. This is with:

-Meanwell s-320-12,
-an ebay "320W" 50mm pelt,
-swiftech 5002,
-1/4" coldplate with mucho pressure,
-an Iwaki MD-20RGZ,
-a 2x120 heatercore with shroud and 120mm Sanyo denkis, and
-a quality, thin transmission cooler with 2x120mm fans. (Don't knock the transmission cooler).

[n00b 0f l337]

12v? The ebay 320w are equivalent ot the Dangerden 226 I beleive. Dangerden is listing the number of watts moved. At 12volt your not pushing as much, but a bit more efficient. I think if your going to use the stock 1/4" coldplate you need to run at the imax.
Those are still a bit high on the temps. Whats the venice running at and at what voltage?

[Mr. Tinker]

Well, now that we've hopelessly hijacked this thread, I'll spill. (I think this is relevant info, though)

I have the TEC running as high as I can get the meanwell to go, which is ~12-13v, but my adjustment trimmer is kinda faulty, so when I barely touch it, the voltage goes apesh1t and lands on some random voltage somewhere between 9 and 13.5v.

The Opty 146 is running at 1.6v at 3.15Ghz. Room temp is probably between 72f and 75f. I put a temp sensor from a compunurse as close to the naked core as possible, but it bottoms out at 0c, and always read as such. I moved the sensor to the hot side of the block, and it reads 36C idle, 40 load. I think it's decently accurate. The only thing I can think to improve now is to get a thicker coldplate, but I doubt it will yield much. I'm happy with my overclock atm.

P.S. My wife asks what's your avatar from?

[ls7corvete]

Swiftech uses copper.

Alum top.

[Mr. Tinker]

That doesn't have anything to do with it's performance. And I don't think it's corroding anytime soon (knock on wood).

[ls7corvete]

That doesn't have anything to do with it's performance. And I don't think it's corroding anytime soon (knock on wood).
Seen it happen plenty of times, also I havent seen the performance comparison.

Like I said, both have there pros and cons.

[n00b 0f l337]

Are you seriously saying that a top plate made of alu or whatever makes a difference?

[Holst]

Seen it happen plenty of times, also I havent seen the performance comparison.

Like I said, both have there pros and cons.

The swiftech blocks are significantly better than the maze4 for large TEC use.

The alu top is a concern with regard to corrosion, but if you take care of your block (use the correct plastic fittings) then it will last for a long time. But its worth keeping an eye on it.

NOL -- I think Is7corvete was just concerned about the aluminium corroding, not the performance difference.

[n00b 0f l337]

Okay on that, I also have a spare swiftech tec block, the alu top has been with while running plain tap water. No corrosion any where in my all copper loop.
The only thing I dont like about the swiftech is the cold plate. Its thick and requires you to run the peltier at its max. If the thickness was half as the current, running for efficiency would be possible.

[ls7corvete]

Okay on that, I also have a spare swiftech tec block, the alu top has been with while running plain tap water. No corrosion any where in my all copper loop.
The only thing I dont like about the swiftech is the cold plate. Its thick and requires you to run the peltier at its max. If the thickness was half as the current, running for efficiency would be possible.

Interesting. How thick exactly? I think I remember someone commenting on this earlier, maybe you maybe bill I cant really remember. I do like the 8 bolt pattern for tighening though.

Anyone want to test DD vs swiftech? my maze3 is idle if someone wants to borrow it.

[n00b 0f l337]

Maybe maxxx is up to it. Its simple really, maze4 was not designed for tecs.

[Mr. Tinker]

Does anyone else suspect that heat may be transferring across the pelt clamping bolts?

[n00b 0f l337]

Yes, Its a common prolbem. I've been doing some designs that use a 2ndary material for clamping without even bolting at all into hot plates or cold plates.

[Mr. Tinker]

yup. I think the answer is acrylic washers on both sides of the mounding hole.

We need to work on some designs. I think I may have an answer for TEC impignment, but it would take a strong pump. Know of any? ;)

[n00b 0f l337]

Iwaki. Md-30 if u want impingement over 50mm, you can always change tubing inlet to 1" into the block... But thats insane.

[Holst]

Eh....

Coldplate thickness wont affect the efficency of the TEC your using at all.

Obviously thicker coldplate makes more surface area that needs insulating.
You might also need to leave it running slightly longer to chill before you boot, but this should be a very minor difference as the coldplate isnt THAT heavy.

I dont see any reason to run a TEC at a higher voltage with the thicker coldplate.

[Mr. Tinker]

NoL is referring to the thickness of the block plate.

[best [486]]

I could probably make one of them impringement blocks, today i made one for no TEC