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How much does room temp matter.

Poll Results: Run it to the basement

 
  • 100% (11)
    Yes
  • 0% (0)
    No
11 Total Votes  
post #1 of 21
Thread Starter 
Well I am waiting for my card, I am trying to come up with better ways to cool the water. I already ruled out running tap water, even though i have a spring for my water source. Wasting 1000s of gallons of water a day wouldent be cool lol. So I was thinking, of putting my pump and radiator in my basement. The pump I use is actually a RV water pump. http://www.altestore.com/store/Solar-Water-Pumps/Surface-Solar-Pumps/Shurflo-Surface-Pumps/Shurflo-2088-443-144-12V-Std-Surface-Pump/p1088/. The 7.7 amp 2gpm one. So I am sure it will be able to handle the extra water that i would need, for the like 100 foot of extra hose. The question is do you guys think it would be worth it putting it in my basement? It is normally around 35-50 degrees down there, vs the 70-90 up here The other benefit I am thinking about is then the computer would have almost no nosie minus the power supply fan. It would be a lot of work though, so that is why i was asking. I dont really see any difference in temps from winter to summer, my cpu stays around 30 idle - 80c on a the prime heavy load. Thanks for any incite.
The other idea i had was mounting the radiator on the air conditioner.
post #2 of 21
What's your question? The loop of any water cooling system is essentially a closed loop. It will reach a steady state fairly soon. What does this mean? Means it wouldn't matter WHERE the pump is, but where the heat transfer rakes place (radiator) does matter. If you're interested in this project, back the radiator with fans back to the pump so the majority of the loop is in your basement. Ambient temps mean nothing to the pump unless it's a delta of over 60 or something crazy. Pump doesn't care, the radiator does care though.
If you can, I would suggest mounting the radiator in your basement and running the tubing from the radiator outlet to your pc.

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post #3 of 21
Quote:
Originally Posted by makasouleater69 View Post

Well I am waiting for my card, I am trying to come up with better ways to cool the water. I already ruled out running tap water, even though i have a spring for my water source. Wasting 1000s of gallons of water a day wouldent be cool lol. So I was thinking, of putting my pump and radiator in my basement. The pump I use is actually a RV water pump. http://www.altestore.com/store/Solar-Water-Pumps/Surface-Solar-Pumps/Shurflo-Surface-Pumps/Shurflo-2088-443-144-12V-Std-Surface-Pump/p1088/. The 7.7 amp 2gpm one. So I am sure it will be able to handle the extra water that i would need, for the like 100 foot of extra hose. The question is do you guys think it would be worth it putting it in my basement? It is normally around 35-50 degrees down there, vs the 70-90 up here The other benefit I am thinking about is then the computer would have almost no nosie minus the power supply fan. It would be a lot of work though, so that is why i was asking. I dont really see any difference in temps from winter to summer, my cpu stays around 30 idle - 80c on a the prime heavy load. Thanks for any incite.
The other idea i had was mounting the radiator on the air conditioner.

Almost any pump would suffice pumping from a higher story, down to a lower story, and back up. Gravity will decrease resistance on the way down, and increase resistance on the way up. These effects essentially cancel each other out, so the only added restriction is the bends within the tubing which is usually very minor. Basically radiators will not cool without a difference in temp between the two cooling mediums, in this case the coolant and the ambient air. The radiator is better thought of as a heat exchanger. So if your basement is 20celcius cooler (holy crap man) your coolant can potentially be around 20celcius cooler, though things are never linear so it won't be right at that solid number. So yeah it COULD be worth it. So yeah it could definitely work.
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post #4 of 21
When I worked for Microcenter I had a customer that had a computer mounted inside a customer desk with a class top. That part was not all that interesting. Seen that kind of thing before. What was interesting was that the water was umped into the walls and down into his basement where he had a refrigeration unit cooling the water to just above freezing and then pumped back up. He also had a small AC unit that pumped cool air up it's own duct to keep the air in the case cool. Cools the non water cooled parts and removes moisture from the air so no condensation in the case/desk. It was pretty epic. Don't remember the overclocks he had off hand. But everything stayed chilly.
 
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post #5 of 21
I would say yes, try it! Or at least seriously consider it.

How well vented is your basement? You will essentially be putting a 2-300W heater down there, it could warm up a small, well insulated basement quite quickly. If you have trouble heating your basement anyway then you will be fine. Cooler air going through the rad of course means cooler water temperatures. Running the rad in the basement also means you can get some high speed fans going on it, crank them to 12V and leave them there.

Just be aware that condensation may be a problem. One way to test this is to put something like a clean glass of water in your basement for a few hours, then bring it up to where your computer sits. If any condensation forms on the glass then you should be thinking of insulating the tubing inside your computer.


As ZytheEKS pointed out, the pump will not have an issue with the height difference once the loop is primed. Priming the loop may be difficult, plan on filling it from the top as the pump may not be powerful enough to get the water up that high in the first place. I would put the pump in the basement too, more noise reduction.

One other issue is running power down to the basement. You can either run a fairly thick power wire from your computer (there are many online tools to calculate required wire thickness) or you can build yourself a relay activated by a 5V line in your computer and run the fans and pump off a separate power brick (I have done this, it is not too hard). Alternatively you can leave your pump and fans running continuously off a separate power supply / power brick (laptop power bricks with 12V out are ideal for this).

I would also advise some form of flow or at least temperature monitoring and alarm / shutdown - something like SpeedFan can do that based on CPU temperature. This will protect your system in the event of a pump failure, failure to start (or forgetting to start) the pump and fans or any other failure.
Edited by GingerJohn - 4/23/14 at 10:07am
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post #6 of 21
Thread Starter 
Thanks for all the advice every one. Sorry for the delay I have been doing it, and i finally finished lol. I run the pump off of a spare 300 watt power supply, so i just put that down there with everything. It was a hard prime, but thankfully the rv pump was made to do that. It dropped the temp quite a bit, it is idling at 14c, and when i ran prime for about 5 mins, it only went up to 45c. That is a 3570k oced to 4.4. I do not have my 290x yet though, I hooked the GPU block up to make sure it did not leak though. So it is just hanging there, the guy offered free shipping on it, but picked the slowest shipping, so i wont get it till Tuesday, and he shipped it Monday.
Thanks again every one I am glad I did it, my girl friend now thinks I am crazy, but i am happy with the results.
post #7 of 21
Thread Starter 
Wow, 22c on a 100 percent full load. Although it is at stock 3.4, but jez 22c is like idle temps, I guess it really did help haha.
post #8 of 21
Quote:
Originally Posted by makasouleater69 View Post

Wow, 22c on a 100 percent full load. Although it is at stock 3.4, but jez 22c is like idle temps, I guess it really did help haha.

Did you put the rads right next to an AC vent? There's just no way any temps in your system should be below ambient temps, it's just not possible without TECs or phase change (AC is phase change). If you're rolling with normal rads in open air, then somethings wrong with the temp monitors. If your rads are right up against an AC unit then it's possible.
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post #9 of 21
Thread Starter 
Quote:
Originally Posted by ZytheEKS View Post

Did you put the rads right next to an AC vent? There's just no way any temps in your system should be below ambient temps, it's just not possible without TECs or phase change (AC is phase change). If you're rolling with normal rads in open air, then somethings wrong with the temp monitors. If your rads are right up against an AC unit then it's possible.

No its not lower than idle temps, I was referring to most people idle temps at 20c. The idle temp for me is 11c. No it is not by a ac. It is in my basement, which this morning was prolly some where around 29f, It was pretty cold last night.

I am over clocking now, and I am at 1.390vcore 1.1 vtt 1,790 pll, at 4.6 at 8 mins with a prime, and its running at 43-45c. My basement isnt heated, nor is it anything new. It was built in 1890, lol its a dirty floor, with stones piled up, and the house sits on the stones. It gets cold down there. The hottest it gets that i have seen was around 50f, when it was 90f outside. The coldest I have seen was around 10f. But it was below freezing last night, and it didnt freeze the lines. I am pretty sure water moving at over 2gpm, being heated at the top wont freeze unless it gets really really cold.

When I get my 290x, I am sure those temps will be alot higher.
post #10 of 21
I've seen water freeze in 4 inch pipe that was moving at 100,000 gallons per hour. Granted it was -30F in North Dakota. Fracking for oil in the winter sucks. lol
 
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