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My first attempt at filling my loop: FAILURE

post #1 of 25
Thread Starter 
So for the longest time I have been slowly accumulating parts for my first ever water cooling build. Through browsing various forums and watching a multitude of youtube videos I thought I was prepared enough. But of course nothing can truly prepare you for your first try. First, let me list my water cooling specific products.

Resovoir/Pump: Koolance RP-401X2 Single 5.25" Reservoir/PMP-400 Pump
CPU Block: Koolance CPU-370
GPU Block: EK-FC670 GTX - Acetal + Nickel
Radiators: EK-CoolStream RAD XT (120) & Magicool 180 radiator

Now first off let me say in my infinite ignorance I went ahead and ordered the "Koolance RP-401X2 Single 5.25" Reservoir" not fully realizing the inherent difficulties involved with filling and bleeding bay style reservoirs. I wanted to go for a clean look so I opted not to use a traditional acrylic tube style bay. Also, since I'm using a Silverstone TJ08-E there isn't much room to spare. I first began by opening up the top G1/4" port located on the P1 or "Pump 1" side. To fill the loop and give it better air bleeding support I used a barb fitting with some spare "PrimoChill PrimoFlex Advanced LRT Tubing" attatched to it.


*note* tube is ID 3/8" (10mm)/ OD 5/8" (16mm)

So, first off I began to fill my loop using some Koolance LIQ-702 Liquid Coolant Bottle, High-Performance, 700mL (Colorless) coolant. When the bay was nearly filled to the top I stopped and set the coolant aside. Using a spare PSU to power the pump separately I flipped the switch to power the pump and after a few seconds the pump turned on but none of the water from the bay would begin to flush through the pump and through the rest of the system. The pump would just run loud and dry. Freaking out, I immediately cut power to the pump as I know you are not supposed to run pumps dry. Before going into this I was aware that it may be necessary to tilt the case backwards a little in order to let the water flow through the exiting port and into the pump. But even still, the pump was just not getting any water.

When the pump was off I would tilt the case so far backwards that the only water that could escape from the bay was the water escaping through the return inlet of the bay. I kept doing this until finally, for some reason, the pump decided to cycle the water and begin to push it throughout the rest of the loop. At some point I got to the phase where the bay was mostly full with water and the pump was flushing water throughout the loop as it should. However, there were two problems. One, the pump was noticeably loud. Again, these bay/pump reservoir combos aren't the most efficient in terms of restriction, flow and noise but the noise coming from the pump seemed abnormal. It almost seemed like the pump wasn't getting enough water running through itself but just enough to keep the loop flowing. Second, the water looked awkwardly dirty through the front of the bay. Every single component I ordered was brand new so it's not like they've ever been used before. Is it absolutely necessary to flush brand new radiators?

Here is video to demonstrate the issues I'm having.
http://www.youtube.com/watch?v=6LfOORA74Ys

Any and all help would be greatly appreciated guys. My rig has been out of commission for far too long. =(
post #2 of 25
I see 2 things wrong.

#1 iirc those pumps aren't supposed to be run upside down like yours is.

#2 it looks like your pump is physically higher in the loop than your res. You want to have your res be above your pump, because gravity works. You want gravity to feed water into your pump from your res so it's never starved of water...

Taking another look at your vid, that setup simply will never work, the water line in your res is in fact lower than your pump, starving it of water, which is why it's so loud.
Also, New loops are always very cloudy at first due to all the air bubbles. But that is the least of your worries right now.
Edited by Sean W. - 1/20/13 at 2:54am
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post #3 of 25
First thing is I would always recommend using distilled water with a biocide or kill-coil, never coolant. But that's not the problem here.

As for the dirty water, it definitely is possible for there to be some junk collected in the rad however it's not super common from what i've seen. But it's always a good idea to flush your rad before use.

Good thinking on cutting the power to the pump when it's running dry. I had accidently let an old pump run for almost a minute dry and it killed it. Unfortunately I don't have any experience with this style of res so I'm not sure I'll be able to help you on that end.
post #4 of 25
Yes it is always neccesary to flush out rads they have flux usually left in them.

Also you can use distilled water.

Picture of your rig might help also
post #5 of 25
Quote:
Originally Posted by Sean W. View Post

I see 2 things wrong.

#1 iirc those pumps aren't supposed to be run upside down like yours is.

#2 it looks like your res is physically higher in the loop than your pump. You want to have your res be above your pump, because gravity works. You want gravity to feed water into your pump from your res so it's never starved of water...

Taking another look at your vid, that setup simply will never work, the water line in your res is in fact higher than your pump, starving it of water, which is why it's so loud.
Also, New loops are always very cloudy at first due to all the air bubbles. But that is the least of your worries right now.

Um, you actually want the reservoir higher than the pump, I'm not sure what you're getting at. Having a reservoir *above* a pump does not starve it of water. Having the pump above the reservoir, that's another story.
post #6 of 25
My suggestion would be (after watching the video) to fill the reservoir all the way, as much as possible

The sound I'm hearing is the Pump is pumping a combination of water and air. You can see the pump is driving some of the water by the turbulence from the front window, but you can hear that it isn't pulling only water. My guess is because the orientation of that pump is upside down and since the reservoir isn't 100% full, it's sucking in some air with the water

Fill it 100% and keep it 100% full while bleeding the loop (this will be annoying as you have to sit there with your bottle of fluid/water and constantly fill until you have full circulation

I have the RP-452x2 2.0 and unfortunately is a completely different design so I can't offer you any recommendations as far as that goes, but those are my thoughts after watching the video
post #7 of 25
res above pump always gravity is your friend when it come to feeding water into the pump.

Detail to us how your loop is setup.

Biggest issue is does your res feed into the pump directly, basic when you fill the res the pump are a should fill also.
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post #8 of 25
Quote:
Originally Posted by joesaiditstrue View Post

Um, you actually want the reservoir higher than the pump, I'm not sure what you're getting at. Having a reservoir *above* a pump does not starve it of water. Having the pump above the reservoir, that's another story.

My mistake, I've never typed " your pump is above your res " had a brain fart, fixed my post.

Mrshilka nailed it on the head, if you fill your res up with water, your pump should also be full of water. If it's not, you are doing it wrong...
Edited by Sean W. - 1/20/13 at 2:57am
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post #9 of 25
These things work fine if treated right. They take up very little space and as a result have a very small reservoir.
Tip the case all the way on its back while filling and bleeding, it will help.
In the filling stage only switch the pumps on for a couple of seconds at a time with short pauses. The pumps push out air best when they are just switched on so if you are patient and keep doing that while keeping the res topped up it will eventually smooth itself out.
Because the res is so small if you just let the pump run it will have a tendancy to pull air straight back into the loop.
One most of the air is out, alternate switching the pump on with the res open and the with the res closed. That will help force more air pockets out of tight spots in the loop.

As for the colour I'm not sure it could be turbulence mixed with something in the tubing and coolant not getting on?
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post #10 of 25
Thread Starter 
To help others help me, here are some photos to get an idea for my intended loop order and orientation.








My intended loop order was as follows:

Resbay/Pump> GPU> CPU> 120mm rad> 180mm rad> Resbay/Pump.
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