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Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »FreshWater« (24. August 2012, 23:11)
Full Member
Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »cc01« (17. August 2012, 16:06)
Hey Larry,In my opinion, that is right on the edge of being worried about temps. My max water temp with Furmark and SETI running is 47.5. however, I am running relativly low flow fans and the Aquastream XT pump is not as strong as I would like. You did not mention what kind of fans or pump you are useing, I would suggest that you make sure the pump is running at max speed and no hoses are kinked.
If the pump is maxed out, and I am guessing the radiator fans are as well, then if the temps continue to be high, change to higher air flow fans as cheapest, or a higher flow pump.
Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »chippie« (17. August 2012, 21:22)
Full Member
chippie, the XT waterblock will only pick up 60watts maximum from the aquero, a temp difference of less than .1 C.
I think the real problem is the differnce in water flow rate. You are running 4.5 l/min., and I am running 1.6 max. I don't know what the rated water flow rate for the 600 pump is, but I doubt it is very high. We also do not know what size tubing Freshwater is useing, voltage to his pump or really anything.
Freshwater, please check that your pump is running at max, and there are no kinks/collapsed tubes, especially on the inlet side of the pump., On the 800d case, turn all fans except the hard drive fan to blow into the case at max, or run the system with the side cover off to make sure the radiator fans are not sucking air out of a low pressure region.
If the pump is running ree flowing at maximum speed, and your radiator fans are running at max, and the loop is free of air, then my two suggestions are to change to higher flow fans, or add a second pump inside the case to boost the flow. A cheap way to do a dirty test is to buy some cheap high flow rate fans and put them on the radiator. If max temp falls down to the high 40's then you can spend the time looking for quiet high flow rate fans. Yes putting 6 fans on the radiator will increase flow, but it is not a straight line increase for air flow, (there is a cube root in the equation), but doubling the water flow will cut the temperature difference in half on the radiator. For example, 53C - 29C = 24C. doubling the flow of air or water means the temperature difference should go to 12C or a water temp or 29C + 12C = 41C (approximatly) which is consistant with what chippie and I are seeing on our rigs. A 360 x 120 radiator should be good for dissipating the heat of 1000 to 1500 watts, so the real problem is a flow restriction, or just plain not enough pump for the job.
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I hate to say this, but are you sure there is no stray piece of plastic wrap in the system? If I recall the adverts I have seen for the Modularity system, it should be easy to take off the ends and make sure there is nothing blocking the tubes.
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Or send Shoggy an e-mail and wait for him to go back to work and see what he says.
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good luck!
P.S. Please be a wierdo and post what you did to correct the problem!
Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »FreshWater« (18. August 2012, 13:13)
Freshwater,
There is no reason to fear turning your fans around. The heat dissipated by your radiator into the case will minimally affect your hardware temps. It is much easier for your fans to push air through a radiator than it is to pull. Pushing air from the OUTSIDE, ie the coolest air, into your case is the most effective way of using the radiator to remove heat from the coolant running through it. Remember - you are watercooling your hardware. Water retains heat much longer than air, and so as long as you are exhausting the internal air and creating proper airflow in your case, any internal thermal transfer will be insignificant on your hardware. I realise that your 800D case draws ambient air in from the bottom of the case, but I still think it would be worth experimenting by pushing ambient air through the radiator.
Also, flow rate above about 1 gal/min (~230 l/hr) will not significantly lower your water temps. The effect in lowering temps above this flow rate is less than 1C. I can run my pumps both at full speed or both at half speed and in either case they are above 1.5 gal/min and it makes no difference to my coolant temperature.
You have a problem, or a combination of problems, elsewhere in your setup. Your fans are sufficient for the job and I would say your pump is too as long as it is running at least 1 gal/min (~230 l/hr). Your pump is rated at 150 - 600 l/hr. Check what some of the other people have suggested in this thread. There might be air trapped in the radiator or something blocking a hose or an inlet? Have you checked that your coolant is actually flowing? Perhaps the pump is not working? Do you have the direction of flow correctly set up? I know that is a silly one but sometimes we can mistake an inlet for an outlet on a pump or waterblock. No matter how careful we are, it can be easy to forget some of these things when we are building our rigs ...
Check:
1) That your pump is working and actually receiving 12V, and checking for blockages.
2) Please do turn your fans around and push the cooler ambient air through the radiator. Radiator efficiency will have a much more significant impact on your coolant temps than anything else. I can run my system at full load on 3 graphics cards and CPU, plus motherboard cooling and Aquaero waterblock at ambient temp 25C and my coolant temp does not break 38C. In this scenario my internal case temp is 34C, which is 4C lower than the coolant temp and as such negligible to my hardware temps.
Good luck with troubleshooting and let us know what you find out!
Full Member
That flow is a fire hose. The aquacomputer 720xt has a flow of 40L per HOUR! It keeps a 4.8 GHz 2700k at less that 50oC and 2 7970s never get above 42oC. (furmark, IBT, Prime) Max water temp is 40. The tank is 2 liters. Seems to work, but from what you all say, the XT flow rate is very very low. Pump is at 4200 rpm. Wow - I'm at less than 1 liter per min.
Update
Talked to a technician at Aqua Computer today. Told him my problems and the feedback i got in here about the pump not being strong enough. His response was that any flow rate above 30 l/h is more than enough and this pump if have could easily drive 2 airplex 360 radiators. So that isn't the problem. He wants me to measure the radiator between the blades at different places to see if the whole radiator is being used (not blocked or something like that. So gonna dive in and do just that.
Update will follow
Update
Talked to a technician at Aqua Computer today. Told him my problems and the feedback i got in here about the pump not being strong enough. His response was that any flow rate above 30 l/h is more than enough and this pump if have could easily drive 2 airplex 360 radiators. So that isn't the problem. He wants me to measure the radiator between the blades at different places to see if the whole radiator is being used (not blocked or something like that. So gonna dive in and do just that.
Update will follow
FreshWater - thanks. It's still difficult to come around to accepting that 30 l/h is good - but that is the range i'm in. Did you call a number you got from the website? English language?
Jpmboy
I'm a novice at PC WC. But I do build/rebuild cars... And I that environment the water flow must be slowed down (thermostat at radiator) to allow sufficient residence time in the radiator to cool the water mix. No - don't punch out your thermostat!
I'm curious, what pump does AC use in the 720 and 360 (flagship products?)
Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »chippie« (22. August 2012, 02:19)
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