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Higher Temps from DH14 Orientation

post #1 of 19
8/29/12 at 7:15pm
Thread Starter 
I re-oriented my CPU cooler because i noticed the first time I installed it the logo was upside down (which I presumed meant the cooler was upside and thus in the wrong orientation). However, after correcting the orientation by flipping the entire cooler, the temperatures have now risen.

Red vectors on the pictures indicate intake; blue portray exhaust.

Before

After


What am I doing wrong?
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post #2 of 19
8/29/12 at 7:23pm
nothing. your "after" pic is the proper orientation. it might be a TIM application issue when you reseated the cooler.
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post #3 of 19
8/29/12 at 7:27pm
Thread Starter 
I think I did a decent job with the thermal paste. I used the grain of rice rule for the amount I applied.
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post #4 of 19
8/29/12 at 7:31pm
I would double check the TIM application anyway, to endure coverage/spread is ok.

Also, making the top fan an intake might help.
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post #5 of 19
8/29/12 at 7:31pm
Just do a quick check and make sure your fans are actually pushing in the right direction. I used to have a h50 and every time I took the fans off of the radiator to clean it, I would put one on backwards causing them to push into each other.
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post #6 of 19
8/29/12 at 7:32pm
Did you reapply the thermal paste after flipping the cooler?
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post #7 of 19
8/29/12 at 7:34pm
hum... are the fans spinning at the same RPM's as before? biggrin.gif how about contact pressure when you mounted the D14? how much temp difference are you experiencing?
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post #8 of 19
8/29/12 at 7:56pm
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Quote:
Originally Posted by .theMetal View Post

Just do a quick check and make sure your fans are actually pushing in the right direction. I used to have a h50 and every time I took the fans off of the radiator to clean it, I would put one on backwards causing them to push into each other.

I checked the directions with a piece of paper (it would pull one end of the paper in the right direction).

Quote:
Originally Posted by Sourtop View Post

Did you reapply the thermal paste after flipping the cooler?

Yes.
Quote:
Originally Posted by psyclum View Post

hum... are the fans spinning at the same RPM's as before? biggrin.gif how about contact pressure when you mounted the D14? how much temp difference are you experiencing?

I don't know if they're spinning at the same RPMS. What do you mean by contact pressure?

Before the orientation, it would idle at 25-30C and on load would be at 35-40C. Now, on partial load it's around 32-37C (idling around 30-32C) and on full load, it heads in the 40+C temps.

EDIT: I'm hearing a faint clicking noise resonating from the cooler. I found a fin that's slightly bent. I bent it back into position and readjusted the fans accordingly. The clicking is intermittent now. I'm thinking of RMA'ng the cooler. What are your thoughts before I do it?
Edited by brotaos - 8/29/12 at 8:23pm
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post #9 of 19
8/29/12 at 8:30pm
by contact pressure i mean is the D14 mounted onto the mounting bracket just as tight as you had it before?
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post #10 of 19
8/29/12 at 9:47pm
Thread Starter 
I believe so. I'll be remounting it tomorrow morning.
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