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High temps, is my pump taxed?

post #1 of 17
Thread Starter 
EK ddc 3.1 xres loop consist of:

EK XE 360mm 60mm thick rad, x2 EK PE 240mm rads, x2 1080 sli blocks (series) and x1 4790k on a cpu block.

Problem: Fan speeds don't change my load temp. my 1080s on a load are 50C. Is it because I dont have enough flow? I know restriction wise im probably okay but im not sure about flow, any ideas?
post #2 of 17
Quote:
Originally Posted by stanielz View Post

EK ddc 3.1 xres loop consist of:

EK XE 360mm 60mm thick rad, x2 EK PE 240mm rads, x2 1080 sli blocks (series) and x1 4790k on a cpu block.

Problem: Fan speeds don't change my load temp. my 1080s on a load are 50C. Is it because I dont have enough flow? I know restriction wise im probably okay but im not sure about flow, any ideas?

I don't think it's flow.... that would need to be below .5GPM. I have a similar setup only I have 980s in sli and one less 240 rad, and my flowrate on full pump power is 1.2 gpm. I keep it down to .7GPM with PWM control on an Aquaero and flowrate makes no difference to temps. Do you have a temp sensor in the loop? You should really be checking loop to ambient air delta.... to know if your loop is doing the job correctly.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by Newtocooling View Post

I don't think it's flow.... that would need to be below .5GPM. I have a similar setup only I have 980s in sli and one less 240 rad, and my flowrate on full pump power is 1.2 gpm. I keep it down to .7GPM with PWM control on an Aquaero and flowrate makes no difference to temps. Do you have a temp sensor in the loop? You should really be checking loop to ambient air delta.... to know if your loop is doing the job correctly.

when i take my panels off the temp dropped, so i think it might be an airflow issue. i have no reliable way to check the temp of the water in the rest, just an IR gun but wouldnt that refract?
post #4 of 17
Quote:
Originally Posted by stanielz View Post

when i take my panels off the temp dropped, so i think it might be an airflow issue. i have no reliable way to check the temp of the water in the rest, just an IR gun but wouldnt that refract?

Open the cap if you can and shoot it in there under load should give you an idea of water temp. Ambient temp should also be recorded although that tends to be misguided, internal case temp is a way better measurement especially since with the panel off you said it cools way better.
    
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post #5 of 17
Thread Starter 
Quote:
Originally Posted by bluej511 View Post

Open the cap if you can and shoot it in there under load should give you an idea of water temp. Ambient temp should also be recorded although that tends to be misguided, internal case temp is a way better measurement especially since with the panel off you said it cools way better.

shot the inside panel and it was 24 c, idk if youd call that ambient, shot into the rest and for 29.5 C. shot my desk at 23.5 for reference.

this is with panels off, since i have to take them off to shoot.


i have to heat loop back up to get accurate readings since alt tabbing took load off, will report back with temps.
Edited by stanielz - 6/19/16 at 9:57am
post #6 of 17
Thread Starter 
Quote:
Originally Posted by bluej511 View Post

Open the cap if you can and shoot it in there under load should give you an idea of water temp. Ambient temp should also be recorded although that tends to be misguided, internal case temp is a way better measurement especially since with the panel off you said it cools way better.

inside panel surface: 24 C
Inside res: 33 C
desk surface : 23 C

=/ is that a good or bad reading?
post #7 of 17
Are you rads intake or pulling air from the case through the rads. It sounds like it's pretty warm in the case.......... If the rads are not intake you should definately change them to intake. I know my 980's should be dumping more heat into the loop than your 1080's, You only have a 6pin power connector right?

This will hopefully be an easy fix. Your XE 360 has 4 ports. You should think about adding a temp sensor when you get the time. I like have a temp sensor on my first rad intake port side, and last rad outake port side to give me an idea how any degrees I'm really getting for my rad coverage. thumb.gif
post #8 of 17
Thread Starter 
Quote:
Originally Posted by Newtocooling View Post

Are you rads intake or pulling air from the case through the rads. It sounds like it's pretty warm in the case.......... If the rads are not intake you should definately change them to intake. I know my 980's should be dumping more heat into the loop than your 1080's, You only have a 6pin power connector right?

This will hopefully be an easy fix. Your XE 360 has 4 ports. You should think about adding a temp sensor when you get the time. I like have a temp sensor on my first rad intake port side, and last rad outake port side to give me an idea how any degrees I'm really getting for my rad coverage. thumb.gif

all 3 rads are exhaust but i have x1 200mm and 3x 140mm *fans* dedicated to intake.

and yeah according to the math each 1080 is pulling 200 watts when OC'd and its one eight pin per card
Edited by stanielz - 6/19/16 at 10:19am
post #9 of 17
Quote:
Originally Posted by stanielz View Post

all 3 rads are exhaust but i have x1 200mm and 3x 140mm *fans* dedicated to intake.

and yeah according to the math each 1080 is pulling 200 watts when OC'd and its one eight pin per card

When I changed all my fans to intake. I got much better performance. Rad fans I'm referring too.
post #10 of 17
Thread Starter 
Quote:
Originally Posted by Newtocooling View Post

When I changed all my fans to intake. I got much better performance. Rad fans I'm referring too.

i had the 2x 240s rad fans set to intake and x1 360 rad fans set to exhaust and the temps were a little higher. anytime i would open the case a ton of hot air hit me in the face
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