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Water not circulating through GPU block

post #1 of 19
Thread Starter 
I purchased a Predator 240 and then expanded it with another 240 radiator and a ek GPU block for my 980 ti when I hooked my system up I noticed that my temps were extremely high I looked at my plexi block and noticed that the water inside did not seem to move. Originally I used qdc3 quick disconnects from koolance but I removed them and used standard barbs on all connection points. The fan header connected to the predator showed it running at 6000+ rpm. I've tried tilting the case but that does not seem to help. I have no idea what to do next and how to get my system functioning properly. Any help would be greatly appreciated.
post #2 of 19
you should be going in on one side of the card and going out the other side... the way it looks in the picture you have both connected to the IN side... it should go in on the left and out the other side of the card on the RIGHT port... this allows the water to flow through instead of in one port and out the other without circulating through the gpu block smile.gif this may help

you want to use the red ports... as in and out smile.gif the black ports are to be capped off smile.gif you can use the qdc's as well.. for if you have to remove the gpu
Edited by mfknjadagr8 - 10/15/15 at 8:33pm
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post #3 of 19
Thread Starter 
I've switched the configuration but the water in the block still seems to be not moving
post #4 of 19
Quote:
Originally Posted by Exothermic1982 View Post

I've switched the configuration but the water in the block still seems to be not moving
im pretty sure the ek block isnt directional so as long as its connected on opposite sides and not the same port side it should be fine... if all the air is out then you wont see the water move much... except micro bubbles...check your temperatures again... it looks to be hooked up ok now...you must be sure to add enough coolant to fully fill the extra rad and whatnot... you dont want to run the pump dry... also you have to get all the air out of the loop that can cause high temperatures... you want to move the case every which way and top it off again until all the air is out... once you got the largest portion of it out... you will want to let it run for awhile after that and let the micro bubbles collect in the res then top it off again
Edited by mfknjadagr8 - 10/15/15 at 8:42pm
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post #5 of 19
Since you started out with the EK Predator (a pre-filled unit), did you make sure to top off the system after adding the extra block and radiator?
post #6 of 19
Thread Starter 
Yes, I added a bottle of ek clear concentrate and distilled water
post #7 of 19
I apologize in advanced if I'm wrong, but I've used a heatkiller waterblock and am currently using an ek thermosphere and each time I've connected them with the inlet and outlet on the same port sides (as in the OP) and it works fine. If anything the left or right port might correspond to the inlet but side shouldn't matter.
    
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post #8 of 19
Thread Starter 
Just saw a huge rush of water go into the card so I think it might be working now. I did spill some coolant on my card when I was changing fittings so I might wait a day or so before checking my temperatures.
post #9 of 19
Can you post a well-lit pic of the entire loop?
You may need another pump. By adding a GPU block and a rad, you basically doubled the resistance.
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post #10 of 19
Quote:
Originally Posted by Exothermic1982 View Post

Just saw a huge rush of water go into the card so I think it might be working now. I did spill some coolant on my card when I was changing fittings so I might wait a day or so before checking my temperatures.
probably air bubble trapped.... it can stop flow the water will flow around the bubble if it is large enough...air bubbles can be tricky once you get all the larger ones out... you will have to top off a few more times in the coming days because the micro bubbles will collect and leave some empty space.... YES definately let the card dry before you power it on to check temps... i would give it at least 12 hours.. maybe more...he doesnt need another pump dont be ridiculous...@aleck yes it can work that way.. but on opposite sides of the card less of a chance of air bubble being trapped in between inlet and outlet on same side..
Edited by mfknjadagr8 - 10/15/15 at 9:43pm
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