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Mindchill vs Krow: All-In-One Liquid Chiller Build Off! - Page 3

post #21 of 161
can't wait to see how this goes for you guys. I've been looking into tec plates for a cpl months now and this is an incredible build the both of you
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post #22 of 161
If someone was to, say, add one of these in AIW Chillers in line to cool the hot side of one of the single Direct Die blocks, would the original controller still be able to control and keep it above dew point?

I know its more expensive, but am I correct in assuming AIW Chiller+ 180SDD + Controller would be quite a bit more powerful then Quad Tec block + Quad Controller? I know on my 180SDD setup I notice a big difference in load temps when I can keep the water temp down...in hot and humd FL when the ambient gets to 29 it has a much harder time keeping load in the mid 40s like it does in the early morning with 24c ambient temps.

I was thinking of adding a 2x120 rad to the front to keep water temps in check, but hell...if the controller can still work with the chilled water to keep the block above dew point I might as well add a chiller to the loop instead of another rad!

Keep up the good work guys, interested in seeing both designs.
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post #23 of 161
Quote:
Originally Posted by Puck View Post

If someone was to, say, add one of these in AIW Chillers in line to cool the hot side of one of the single Direct Die blocks, would the original controller still be able to control and keep it above dew point?
I know its more expensive, but am I correct in assuming AIW Chiller+ 180SDD + Controller would be quite a bit more powerful then Quad Tec block + Quad Controller? I know on my 180SDD setup I notice a big difference in load temps when I can keep the water temp down...in hot and humd FL when the ambient gets to 29 it has a much harder time keeping load in the mid 40s like it does in the early morning with 24c ambient temps.
I was thinking of adding a 2x120 rad to the front to keep water temps in check, but hell...if the controller can still work with the chilled water to keep the block above dew point I might as well add a chiller to the loop instead of another rad!
Keep up the good work guys, interested in seeing both designs.

Hey Puck, glad you got your single die installed and working. I need to think about this one. You have any pics of you rig?
Quote:
in hot and humd FL when the ambient gets to 29 it has a much harder time keeping load in the mid 40s like it does in the early morning with 24c ambient temps.

This is your core temps correct, what is our block temp?
Edited by Mindchi|l - 7/31/12 at 6:21am
post #24 of 161
Yea, it is up and running great. The room it is in just has a little window AC unit, and its 95* out here and crazy humid so my dew point is high compared to most. Block temp has no problem at all keeping it at target temp though, glancing over to my tower that is currently 13c. It is holding block temp at 14c at only ~30% DC at idle. With Prime Small FFT, full load block temp is kept 1c above dew point (making it 15c block) @ ~62% DC, on an E8400 @ 4.2ghz and 1.4v. Ambient 27c, humidity 39%.

I notice the controller is sometimes a little twitchy, and will automatically raise the target temp by 2-3c seemingly by itself - I am assuming that the calculated dew point is jumping for a split second which automatically raises the target. A function to automatically reset it to 1c over dew point would be awesome, and keep it from creeping up by itself...I can set it to, say, 14c target, but an hour later that target temp will be 17c even though the ambient and humidity will be the same.

Here is the tower, this is before the controller and TEC was installed...yes, it is an open case. It hasn't had the side panels on it for at least 3 years laughingsmiley.gif. Scaled it down a bunch, and its a crappy cell pic...


Like stated, I am very happy with the setup. Just debating whether running a chiller inline with the single or selling it and jumping to a quad would be better for an IB chip once I upgrade.

::EDIT:: Here is a thread I made about it when I got it up and running on another forum http://forums.overclockersclub.com/index.php?showtopic=193013.
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post #25 of 161
Thread Starter 
Actually I don't think the quad would help you much more than a single would if you're running it on an ivy bridge. Where an i5 2500K is running 200W, the Ivy Bridge does 150W - 160W. The real killer is the thermal resistance in the Ivy Bridge that limits it. If you were to insulate with the quad and run it below dew point, then it'll probably suit you better but for now, your limiting factor will be dew point.
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post #26 of 161
Quote:
Originally Posted by Puck View Post

Yea, it is up and running great. The room it is in just has a little window AC unit, and its 95* out here and crazy humid so my dew point is high compared to most. Block temp has no problem at all keeping it at target temp though, glancing over to my tower that is currently 13c. It is holding block temp at 14c at only ~30% DC at idle. With Prime Small FFT, full load block temp is kept 1c above dew point (making it 15c block) @ ~62% DC, on an E8400 @ 4.2ghz and 1.4v. Ambient 27c, humidity 39%.
I notice the controller is sometimes a little twitchy, and will automatically raise the target temp by 2-3c seemingly by itself - I am assuming that the calculated dew point is jumping for a split second which automatically raises the target. A function to automatically reset it to 1c over dew point would be awesome, and keep it from creeping up by itself...I can set it to, say, 14c target, but an hour later that target temp will be 17c even though the ambient and humidity will be the same.
Here is the tower, this is before the controller and TEC was installed...yes, it is an open case. It hasn't had the side panels on it for at least 3 years laughingsmiley.gif. Scaled it down a bunch, and its a crappy cell pic...

Like stated, I am very happy with the setup. Just debating whether running a chiller inline with the single or selling it and jumping to a quad would be better for an IB chip once I upgrade.
::EDIT:: Here is a thread I made about it when I got it up and running on another forum http://forums.overclockersclub.com/index.php?showtopic=193013.

Great write up on the other forum.. Awsome Job..

I'm guessing your looking at insulating for your next build possibly biggrin.gif
post #27 of 161
Quote:
Originally Posted by Mindchi|l View Post

Great write up on the other forum.. Awsome Job..
I'm guessing your looking at insulating for your next build possibly biggrin.gif

Dunno, I'm kind of lazy laughingsmiley.gif.

I am more focusing on reducing load temps further while keeping idle around dew point, but realize that this will be difficult due to the delta that will always exist between block temp and core temp. Like Krow said, my high Dew Point is what is killing me right now, since I still have ~40% DC of cooling power going unused.
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post #28 of 161
Subber.
I am interested in who wins.. two different approaches same goal... equals to good stuff.
Good luck to both of you.
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post #29 of 161
Quote:
I am very Just debating whether running a chiller inline with the single or selling it and jumping to a quad would be better for an IB chip once I upgrade..

I ran a couple chillers to cool a single here.. worked pretty good
post #30 of 161
Thread Starter 
Ok, so my multimeter finally showed up in the mail today, which has opened the doors to actually testing the heatsinks entirely. Here are my results!

TEC Info: 12709
Voltage: 14.9V
Current: 7.32A
Power: 109W
Load: ~10W

Low:
Ambient: 23.8°C
Hotside: 46.8°C
Coldside: -6.4°C
Load: 119W
Thermal Resistance: 0.19328°C/W
Total Assembly TR: 0.04832°C/W
Thermal Loss of Assembly (200W Load): +9.7°C

Medium:
Ambient: 23.8°C
Hotside: 42.4°C
Coldside: -10°C
Load: 119W
Thermal Resistance: 0.15630°C/W
Total Assembly TR: 0.039076°C/W
Thermal Loss of Assembly (200W Load): +7.8°C

High:
Ambient: 23.8°C
Hotside: 38.4°C
Coldside: -12°C
Load: 119W
Thermal Resistance: 0.12269°C/W
Total Assembly TR: 0.03067°C/W
Thermal Loss of Assembly (200W Load): +6.1°C

So the numbers were definitely off from my previous predictions, due to buying the PSU as 15V 350W, it definitely wasn't up to specifications. It could only reach 14.89V and that was with the PSU cracked to the highest voltage it could muster. So my predictions took a hit but I'm still committed and it will definitely do sub-ambient.

Also something to note, the TECs are very weird, at 15V they should be using 9A, as that is what they are rated and sold as, but they are about 2A less than that.
Edited by Krow - 8/3/12 at 6:54pm
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