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Correct loop?

post #1 of 10
Thread Starter 
What is the correct way to run a water cooling loop? Right now my loop runs

Res/pump combo>CPU cooling block>radiator>Res/Pump Combo.

Should the Res/Pump combo go to the radiator first then from Rad to CPU cooling block or is it correct the way it is?

I seem to have a flow problem coming out of the Rad the the Res. No air bubbles. The cooling lines are full of fluid.

Thermaltake Level 10 with pre installed rad, Monsoon Res/Pump combo, Watercool Heat Killer 3.0

Thank you
post #2 of 10
You have it correct. That's a very simple loop. Do you have the in/out ports on the block correct? I can't see having a flow problem with only one block.
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post #3 of 10
I'd say that's the best option, as you will be putting cooler water to the pump and reservoir, which should help promote longevity of the pump, and keeping the water in the res cool helps cool down any water that stays hot after passing through the radiator cool down.

In short, yes. You have the optimal order, and you know the reason behind it. thumb.gif

You might actually have some air in your res, which could adversely affect flow, but as long as the water is moving, it's not a huge issue. Just bleed it a little, and you should be fine.
Edited by tomytom99 - 10/16/15 at 10:55am
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post #4 of 10
Thread Starter 
Great! Thanks!
post #5 of 10
Thread Starter 
It's Back.
I am back to the same issue. there is a huge space of air in my line from the rad to the pump/res. When I post this earlier I thought I figured it out and solved it. I rocked my case in all directions and filled my res to max and got the air space out. Everything was flowing great. Now a week later and it is back. ***!!
What could cause this? I have checked double and tripled check the Out and In for the Res/Pump, used the flow direction that everyone suggested which was correct in the first place. The flow out of the pump to the CPU block seems strong.
Could it be where I have the parts located in my case? Rad Is on top, and res/pump located in the 2nd and 3rd bays. Have an open bay above so I can get to the fill port, and have a bay below with DVD drive.
This is really beginning to piss me off.
This is not my first build either so I kinda know what I am doing or maybe not.

If needed I will try and post a few picts.

Thank you in advance for the help.
post #6 of 10
well the function of the res IS to catch any air in the system.. so its doing its job.
however, if it keeps "finding air" there might be an evaporation issue... or there is a lot more air trapped in the radiator as you might think
Should try to run it with the res/pump higher as the radiator for a few days , for a normal case i would advise to lay it on its back with the res/pump combo unbolted and moved to the highest place your tubes allow. In this case, strap it in place with ducttape if necessairy so you can move/tilt the case a bit to free any air pockets and bleed an top up every few hrs.

Since this is a preinstalled rad... is a TT rad? and are the hoses also preinstalled TT ?

i dont think the monsoon res/pump combo is causing issues (not sealed well), as they tend to be very good


A nice pic would help, smile.gif
post #7 of 10
Thread Starter 



Here are some picts.
The tube closest to the outside of the case coming from the Rad is the out into the Pump/Res. There is virtually no pressure. Before I tilted my computer back and forth there was a 2-3 inch bubble and coolant was trickling out of the rad. The Top on the CPU cooler is the In tube and feels like there is plenty of pressure, going out not so much.
Also took a picture of my RAD. Thinking about getting a new one. What size is this and if I find one the same size will the hole match up for the install.

Thank you
post #8 of 10
what monsoon res/pump combo?
Like this one, with a D5 pump?




the rad might be one of TT , its difficult to make out , but it is a 120.2 (240)
If its a TT, it might even be an ALU one, which is definitely reason to get rid of it.

At some point in the future you'll have to get rid of the puny TT tubing and replace it with decent 10/13. The current hose looks like it is typical TT green 6/8 , and that just wont do. And at that point you'll best change all the fittings to matching barbs or compression fittings

Actually, its best to take the whole thing apart. Clean up, throw the old hose away, get new fittings and decent hose, and re-do the loop.

The Watercool HK is a very good block, but shouldn't be that restrictive.
Either there is a big bubble trapped inthere also OR... its gunked up with debris. I'ld say to take the block apart and keep the ketchup nearby smile.gif Instructions are on the Watercool website
And when you bolt it back in place, turn it 180°, which will be better to push air out in the future.

I think that somehow the water level gets to low and allows air to "sucked in" which of course promptly gets stuck in the rad smile.gif

For now, unbolt the reservoir.. it would be nice if you could slide it into the case. Rest the case on its back (right side) and lift the res as high as the tubes allow. Keep it in place with whatever you can find.. rope, barstool, bookstand, ... open it up for bleeding and gently move the case and tap the hoses & rad until no more air comes out. Top up to the max and run it like that for a couple hrs/days with the occasional tilt/tap till you're sure you got rid of the air.

Note: I assume you know how to power the pump only? The PC itself does not have to be "running" for this. Cycling the pump a few times might help also.


When getting a new rad... HWLabs is very good.. but Alphacool ST30 will do very well also.. IF you do the rad-dance very well smile.gif


EDIT:
if its impossible the slide the res inwards.. consider unbolting the radiator from the roof and lowering it (with the fittings side up) below the reservoir to get the air out of the rad... it looks as if there is enough "play" on the hoses for that.

.
Edited by RnRollie - 10/30/15 at 12:08pm
post #9 of 10
Thread Starter 
What does 10/13 tubing equate in measurements?
1/4 x 3/8
1/2 x 5/8
3/8 x 1/2
7/16 x 5/8
1/2 x 3/4

I have some nalgene (?) but I find it kinks easily.

The Rad is from ThermalTake, came with the case. I am going to get a new one.

I had a an XSPC Rad and a Swiftech vario pump but the Res leaked and the pump made a horrid noise. So I went to the Monsoon plus I like the lighting on the Monsoon.

Thanks
post #10 of 10
10/13 is approx. 3/8 x 1/2 mm to inches
When are you guys gonna use Metric like the rest of the world? smile.gif



Nalgene is good if its "thick walled" like 11/16 7/16 x 5/8

The "best" hose is StGobains TYGON.. Norprene to be exact.. but apparently the latest offering from EK is similar
http://www.overclock.net/t/1347354/tygon-user-club/0_50

https://shop.ekwb.com/ek-tube-zmt-matte-black-15-9-9-5mm
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