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Heat problems with NZXT H2 Classic. Help please.

post #1 of 19
Thread Starter 
Hello,

I have a little problem with this case. If I leave one side open (case opened) my temperatures is just right, around 38/39 degrees (iddle.yes, it is hot here). The problem arises when closing the case. Temperatures start raising little by little but they reach around 50 degrees, allways on idle. I have the feeling heat is being kept inside the case and it is not been sent out by the rear fan.

This case has 2 front fans injecting air into the case and another in the back making it out. The psu is mounted with the fan facing inside the case (don't know if it will be better to make it the other way). In the other hand Silver arrow fans has been mounted like I show in the attached pic. Could anyone have a look at them and suggest any way to avoid this heat accumulation?

Global pic.
http://imageshack.us/photo/my-images/696/imgp0499.jpg/

Pic showing silver arrow fans orientation:
http://imageshack.us/photo/my-images/135/imgp0500t.jpg/

Another case front view (closer)
http://imageshack.us/photo/my-images/814/imgp0503.jpg/

Pic showing PSU orientation.
http://imageshack.us/photo/my-images/708/imgp0504s.jpg/

I really think that SA fans shoudl be mounted the other way around to make the heat from the CPU go to the fan extracting air but not sure.

Any help will be really apreciated.
Cheers.
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post #2 of 19
Hmm, it might help if you add a fan to the bottom 120 position to help intake more fresh air. (Though it might be a squeeze). But if you do make sure it's not a sleeve bearing fan (They tend not to last as long or push/pull as much air when horizontal.)

Alternatively you have some options as to how you could bolster your setup. If you wanted to keep it traditional you could also add a fan to the top to help get rid of hot air but considering how close your Silver Arrow is to that rear grill/fan and how much air it pushes, the fan might actually be restricting air from flowing out. You might want to remove the fan and test your temps and see if they improve. It'd help even more (keeping the fan or not) if you removed that rear grill. Which you can do with a cheap metal nibbler tool.

You could also try with a top fan having it intake air to your cooler which is then exhausted out the back. It's done wonders for some people but it really varies from setup to setup and you never know until you try. If you're looking to add fans and keep the noise down I'd recommend Enermax's T.B Silence line. They're low on cost, move a decent amount of air, and can be mounted in any way.

Also, Silent Pc Review did a review of the case and the reviewer mentioned a mod you could do to help those front intakes out without altering the noise or look of the case.

http://www.silentpcreview.com/article1188-page9.html

If you have any questions, please let me know smile.gif
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post #3 of 19
Thats tight fit case for airflow.

Options you can do, Remove the rear exhaust fan you dont need it. leave a open hole


Place the rear exhaust on the top of the case, See what it does with tempatures when you swap it as intake or exhaust.

You can try to mod side panel so it would fit a 200mm fan, Refer to Megaflows from coolermaster. these fans run at 800rpm are silent but move lot of air.

you can try the mod above what siegFried posted.

See what you can do with sidepanel or the options we gave you.

Other thing you can do replace the fans in the front with gentle typhoons

Post your results
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post #4 of 19
Quote:
Originally Posted by themedesign;14249221 
Thats tight fit case for airflow.

Options you can do, Remove the rear exhaust fan you dont need it. leave a open hole


Place the rear exhaust on the top of the case, See what it does with tempatures when you swap it as intake or exhaust.

You can try to mod side panel so it would fit a 200mm fan, Refer to Megaflows from coolermaster. these fans run at 800rpm are silent but move lot of air.

you can try the mod above what siegFried posted.

See what you can do with sidepanel or the options we gave you.

Other thing you can do replace the fans in the front with gentle typhoons

Post your results

That's a great idea with the Gentle Typhoons. The static pressure would help overcome the vent restrictions and pull in more air.

You could also get a 5.25" to 120mm adapter and slap in another fan for intake there but that'd use all your bays. An option though if you don't have any fan controllers or Drives up there.
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post #5 of 19
Thread Starter 
OMG!!!, I thought it was going to be easier.

Thanks for the suggestions. Need to think about it. One of the things I have detected is that SA fans are not facing the correct way I think. I should be doing somethink like this http://www.thermalright.com/new_a_page/product_images/cpu_cooler/silver_arrow/2.jpg. The problem is that the fan that goes on the memory sticks gets out of the case :/.

Thanks in advance,
HexDump.
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post #6 of 19
Make sure the struts are facing towards the rear and the open end of the fans towards the front of your case. That'll ensure they're facing the right way.
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post #7 of 19
The H2 was my last case; I even felt slightly guilty selling it with a bloody hot GTX 480, i7 960, and X58 FTW3 sitting inside, but I managed to cool it a little more.

The H2 WILL run about 4-6C hotter with the front door closed without any modifications, no matter what. One thing I found that helped was installing a 120mm fan in the top 3.5" bays. You'll need to move your hard drive down a bit; I used zipties to do the installation.

As far as other fan locations, installing a bottom fan does NOT seem to help, and tends to be rather noisy as an intake.

Also, your power supply really should be installed facing downward. Having it face up ruins the windtunnel of the case, which is rather easily disrupted due to the cramped design. You want for all your airflow to move front to back, and slightly upward (heat rises...). The bottom of the case also gets a good amount of air. And again, here, if you were to install a bottom intake fan, you'd end up asphyxiating your PSU.

Anyway, good luck. You already made a good choice by buying that Silver Arrow; a liquid cooler like the H60 would have further handicapped airflow over your components.

Quote:
Originally Posted by hexdump;14249422 
OMG!!!, I thought it was going to be easier.

Thanks for the suggestions. Need to think about it. One of the things I have detected is that SA fans are not facing the correct way I think. I should be doing somethink like this http://www.thermalright.com/new_a_page/product_images/cpu_cooler/silver_arrow/2.jpg. The problem is that the fan that goes on the memory sticks gets out of the case :/.

Thanks in advance,
HexDump.

You can keep your setup that way with minimal performance loss if you install that middle fan I was talking about.
Edited by aaronmonto - 7/17/11 at 3:11pm
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by Siegfried262;14249493 
Make sure the struts are facing towards the rear and the open end of the fans towards the front of your case. That'll ensure they're facing the right way.

Yes, the problem for me is to add the fan that is closer to the front of the case, because memories make it higher than the top of the case ...

What a nightmare...

@aaronmonto

I wouldn't buy this case again either... Thanks for the suggestions.

Thanks for the help.
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post #9 of 19
siegfried and aaronmonto have it right. I can add from my experience with another case that when you put too much airflow (in my case it was a P12 in pull at the back), you will get this hissing sound in the front, because it's not designed to handle more than minimal airflow. So that SPCR mod is something you might want to try.

You're using classic Ripjaws for ramsticks. For the stickk closest to the Silver Arrow, replace the heatsink with a generic low-profile heatsink. Then you can move your cpu fans from center-pull to push-center. Your pull fan is interfering with your case exhaust fan. If you doubt this, try a couple of fans outside the case, see what happens when you get them close together,

And indeed flip your psu over.
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post #10 of 19
Thread Starter 
Hi again guys,

Have done some tests. I have added a 120mm fan to the botton and moved the rear 120mm fan to the top. To be true not much difference :/. I have tested with the front door open too (to test if doing the door mod would make any difference), again, not difference.

I'm a bit desperated with this. Perhaps I should by 3 gentle typhons and replace front and bottom fans. And buy a quality top fan... but I'm a bit afraid from my tests that this did not make any differnece again.

Greetings.
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