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is four Tec1 12715 enough ?

post #1 of 18
Thread Starter 
Hi... n00b here

I planning a basic build of a TEC water chiller for overclocked GPU and CPU Heat output of about (390-400 W). I wanna cool the hot sitde with a XSPC EX480 Radiator and a XSPC EX360 Radiator.
i have four Tec1 12715's sandwich between 5 LENX Aluminum Water Cooling Blocks insulated and enclosed in a 7.5 x 4.3 x 2.2 Inch ABS Project Box which will be powered by two 12V 30A DC Universal Regulated Switching Power Supply 360W and those will be controlled by a Inkbird Dual Stage Digital Temperature Controller/Fahrenheit Thermostat..... Reservoir is a 9 port Dual 5.25" Bay (have no idea how to get that insulated yet but i will some how.... help)... oh... and all this is housed in a old PC case i found ......pics and links of components so far will be below.. soon.

anyhow main question is i went here and calculated only the gpu and cpu sections to get the wattage output overclocked...
so would four 12715 tec's undervolted to like 10 volts be able to cool 400w if so much?.... or is this just a lost cause?

ps..... only looking to go below ambient... not sub-zero.... need coldside stay between 15c to 18c at all times.....


will edit and add to this post as i go along.... im a total n00b after all...
thanks to any and all comments, advice, ideas, criticize... ect.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
edits--

TEC's :.....................4 TEC1-12715 40mm*40mm 12V 136.8Wmax
Waterblocks:............ 5 LENX Aluminum Water Cooling Blocks
Reservoir:................ Dual CD Rom Bay Acrylic 9 port Water Tank
Tubing:.................... Durelene PVC tubing 3/8in. ID 5/8in. OD
Pumps:.................... PPCS SPECIAL EDITION D5 VARIO PUMP
............................... KEDSUM 40W 2500L Per Hour 770GPH Submersible Aquarium Pump
............................... Swiftech MCP655-B Liquid cooling system pump
Radiator:................. XSPC EX480 and EX360
Thermostat:........... Inkbird Dual Stage Digital Temperature Controller
Power:....................2 Universal Regulated Switching Power Supply 360W
Edited by antisocial247 - 5/3/17 at 5:46am
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post #2 of 18
well that put's it right at 400Watts on the TEC's. rolleyes.gif and a 400Watt load, that tends to equal ambient or a couple C below. but that is still better than what standard water cooling will get you. thumb.gif

if it was only the CPU, or the GPU, that setup would put you right at the temps your looking to achieve. wink.gif

would you be willing to add another setup with 2 to 4 more of the same kind of TEC's?
post #3 of 18
Thread Starter 
adding two more TEC's to it is ok i guess... but i worry about the extra heat that would create .... i only got the two rads for now and i wont be able to get another one no time soon but im not sure my rads will be enough for six TEC's in tandem...... even with two gallons coolant on hot side and two litters on cold side i think it wont hold up..... right?
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post #4 of 18
Quote:
Originally Posted by antisocial247 View Post

Hi... n00b here

I planning a basic build of a TEC water chiller for overclocked GPU and CPU Heat output of about (390-400 W). I wanna cool the hot sitde with a XSPC EX480 Radiator and a XSPC EX360 Radiator.
i have four Tec1 12715's sandwich between 5 LENX Aluminum Water Cooling Blocks insulated and enclosed in a 7.5 x 4.3 x 2.2 Inch ABS Project Box which will be powered by two 12V 30A DC Universal Regulated Switching Power Supply 360W and those will be controlled by a Inkbird Dual Stage Digital Temperature Controller/Fahrenheit Thermostat..... Reservoir is a 9 port Dual 5.25" Bay (have no idea how to get that insulated yet but i will some how.... help)... oh... and all this is housed in a old PC case i found ......pics and links of components so far will be below.. soon.

anyhow main question is i went here and calculated only the gpu and cpu sections to get the wattage output overclocked...
so would four 12715 tec's undervolted to like 10 volts be able to cool 400w if so much?.... or is this just a lost cause?

ps..... only looking to go below ambient... not sub-zero.... need coldside stay between 15c to 18c at all times.....


will edit and add to this post as i go along.... im a total n00b after all...
thanks to any and all comments, advice, ideas, criticize... ect.

Hey!

6 TECs will get you the cooling you need... If you can cool the heat.
Remember, each of those TECs at 12v draws 15a... That's 1080w. Then couple that with the load you're trying to cool and those hot side radiators are taking a load of almost 1.5kW. That's a pretty big load and I have doubts about the radiators keeping it at a reasonable temperature.

Also, you're kind of cutting it close with the TEC power supplies. Uncomfortably close.


I'm guessing that size was a big consideration in getting those TEC1-12715s?
If you check out the CTE 400w TEC here, you'll see that at the same power consumption, you get around twice the QMax, so you can run less TEC's, less radiators and have better cooling power than 6 TEC1-12715's
post #5 of 18
Thread Starter 
Quote:
Originally Posted by Skyl3r View Post

Hey!

6 TECs will get you the cooling you need... If you can cool the heat.
Remember, each of those TECs at 12v draws 15a... That's 1080w. Then couple that with the load you're trying to cool and those hot side radiators are taking a load of almost 1.5kW. That's a pretty big load and I have doubts about the radiators keeping it at a reasonable temperature.

Also, you're kind of cutting it close with the TEC power supplies. Uncomfortably close.


I'm guessing that size was a big consideration in getting those TEC1-12715s?
If you check out the CTE 400w TEC here, you'll see that at the same power consumption, you get around twice the QMax, so you can run less TEC's, less radiators and have better cooling power than 6 TEC1-12715's


hey Skyl3r... welcome wave2.gif
thanking you and toolmaker03 for the fast response
and yea size was a big consideration in getting those TEC1-12715s because i went with the cheap waterblocks as i already had them laying around.
and i reason that each power supply would power only 2 TEC's which would cover the amps needed (power supply 30amp = TEC 15amp each wired parallel to each power supply).
well that was my reasoning and can get another power supply along with the two other TECs when i order them soon.....
ps...... wifey/girlfriend got me on a budget so to speak so a extra rad will be lil hard to sneak in anytime soon.... ( yes im pu**y wipped sad-smiley-002.gif )
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post #6 of 18
Thread Starter 
ok ... so i ordered 2 extra 12715 and 4 Aluminum Water Blocks (comes in packs of twos) and another power supply to power them... how im gona fit all this in the case only god knows. doh.gif

two concerns ...... i did the wattage output on the coolermaster site but i only play third world saints and skyrim with mods... ( well graphical big titties nudist styled mods which rapes my gtx970 ) biggrin.gif
and wifey play with it too.. create the perfect man she says (she just like seeing big slongs as much as i like big boobs drool.gif) but i dont think i really push out 390w so i did my own test by running heaven benchmark on max settings plus run intel burntest v2 also at max settings (both running at the same time) monitor gpu with nvidia inspector and cpu with hwinfo64 and came up with gpu 205w peak and cpu barely touching 69w ....... so a total of 274w... lets say 280w to round it off..... think my setup can handle that as it is now.

second.... insulating a Bay Reservoir......i refuse to use anything else as i wana see the coolant in the front. i know i will lose coldness from there but i will alow it for looks... issue is how to insulate the bay tray it is in...... ideas anyone? thinking.gif
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post #7 of 18
Thread Starter 
Quote:
Originally Posted by Skyl3r View Post

I'm guessing that size was a big consideration in getting those TEC1-12715s?
If you check out the CTE 400w TEC here, you'll see that at the same power consumption, you get around twice the QMax, so you can run less TEC's, less radiators and have better cooling power than 6 TEC1-12715's

i checked out the link... it look perfect for what i need..... but for two things.... size and price.... well i can work with the size but that price tag of $56.50 each bit too hot for me (im a cheap bastard) 2cents.gif
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post #8 of 18
Quote:
Originally Posted by antisocial247 View Post

i checked out the link... it look perfect for what i need..... but for two things.... size and price.... well i can work with the size but that price tag of $56.50 each bit too hot for me (im a cheap bastard) 2cents.gif

well, I can feel you on that one, here are a couple of things to consider, there have been more than a few of us, that have got ebay TEC's, and tried to use them.

myself included, I currently own 9 ebay TEC's, 2 of them only work at half capacity, meaning they never get really cold no matter how much power I put to them. 1 of them only works at 1/3 capacity, one of them does not work at all, 2 of them work at full capacity, and 3 of them I have never used.

it may seem more expensive, but after having to buy almost 3 times the amount I wanted to from ebay, just to get 3 good completely functional TEC's, for me the cost would had been the same, if I had just got 3 CTE TEC's from the start, as they all come from the factory fully functional.
Edited by toolmaker03 - 5/6/17 at 8:44am
post #9 of 18
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post #10 of 18
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Quote:
Originally Posted by toolmaker03 View Post

well, I can feel you on that one, here are a couple of things to consider, there have been more than a few of us, that have got ebay TEC's, and tried to use them.

myself included, I currently own 9 ebay TEC's, 2 of them only work at half capacity, meaning they never get really cold no matter how much power I put to them. 1 of them only works at 1/3 capacity, one of them does not work at all, 2 of them work at full capacity, and 3 of them I have never used.

it may seem more expensive, but after having to buy almost 3 times the amount I wanted to from ebay, just to get 3 good completely functional TEC's, for me the cost would had been the same, if I had just got 3 CTE TEC's from the start, as they all come from the factory fully functional.

since you put it that way it make alot of sense ...... i will just have to talk to wifey about it.... aka "groveling at her feet and kiss her a$$ alot till she says yes i can buy it" and have fun.... she does have a nice a$$ by the way so its a plus for me biggrin.gif
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