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Optimizing Airflow for PH-TC14PE and Top Fans

post #1 of 5
Thread Starter 
Greetings all,

Currently in the process of rebuilding my rig (yeah, yeah, need to add to signature again), and I am a little curious as to fan placements. This is my first "tower" cooler, as it were, and I ended up choosing the Phanteks PH-TC14PE. It will be a Corsair 500R case, which has twin 140mm top fans, and previously were both exaust. Due to the size of this heatsink, it would line up nicely with the front-most top fan being a good intake, so I am curious if there is a defined airflow setup in this way that provides superior results (or if it's one of those YMMV cases).

I included an image (obviously, terrible and not to scale tongue.gif)- about what I thought. Open to suggestions and any input is much appreciated!



Optimized directions for fans 1 and 2, labeled in the picture. To me it would either be both intake, or Fan 1 being exaust, and Fan 2 being intake- but I am no air expert by any means.

Thanks,
Mezmenir
    
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post #2 of 5
from my experience, splitting direction of the roof to intake/exhaust doesnt really work well.
the intake flow is drawing air from the exhaust fan and puts it right back into the case.
understand that the CPU cooler is the key and flowing cool, clean air to it is essential.
you have to be careful in the roof department as having a strong fan set can actually
reverse the CPU cooling effect. to much intake can starve the cooler and too much
exhaust flow you can again starve the cooler or have the cooler recycle the heated air.
if you have open bays in the opti center, convert them to a air intake idea. filtered cool
air straight to the CPU fan area. test the roof for none, intake or exhaust route.
since the GPU kinda makes a compartment, divert the front fans to the GPU and remove
any unused pci slot brackets to allow the air to exhaust.

airdeano
post #3 of 5
I suggest rear and rear top only.

Move fan 2 to optical bays or bottom.

A divider from bottom back of cooler to rear may be beneficial in stopping any hot cooler exhaust from escaping down inside of case. Stiff material like a piece of a file folder make it easy to check and see.

Phanteks PC14 is a great cooler. Mine is oriented vertical. i7 920 @ 3.55GHz will run 100% @ 46c delta core temp..... With fans unplugged. thumb.gif

Do keep an eye on mobo chip temps. My X58A Northbridge was up to 80c with my PC14. I removed the blue covers from heatsink and temps are now 50-54c wink.gif

Edit: I mean a divider between PCI slots and cooler.. mobo to side panel and from cooler to case back.
Edited by doyll - 9/15/12 at 6:29am
post #4 of 5
Thread Starter 
I think I was lucky with the placement of my NB in a way (even if the Silver Arrow would have suited this better), but notice the outlined blue box, that IS my NB, haha. The placement was actually half decent, even if it really closed a lot of distance between the CPU socket and the PCIe bank.

On a side note, I will test with both being intake first (mainly due to it being a REAL pain to reorient them after wiring), and I will be putting an AP30 in the optical bays as a push fan for the CPU area, as recommended. The other AP30 will probably be blowing between the GPUs, as I have a feeling that section will probably be pretty toasty. That leaves two free 120mm spectre pro fans, and two free 140mm Phanteks fans free to place. One bottom, one rear I was thinking (for the 140s).

Ordered them in black, but I found out I liked the white on the cooler so much better. Hey, extra fans never hurt, haha. That and these phanteks 140's look real nice.

Image:

Sorry for crappy phone picture, but yeah. It's a real pain to reorient fans afterward- that is full wired minus the GPUs. rolleyes.gif
    
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post #5 of 5
see what you mean about NB. As long as fan move air below cooler you should be fine. My problem is NB runs hotter when system isn't working... NB is 50c with CPU at 35c and fans idling at 700rpm. NB is 56c with CPU at 37c and fans idling at 600rpm and NB is 60c with CPU at 40cand fans idling at 500rpm.

It really is a beach you know I even tried taking a fan off and CPU still wouldn't heat up. biggrin.gif I should just get a less efficient cooler. NOT!!
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