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Just did maintaince this week, but place fan wrong

post #1 of 6
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I wasn't paying attention and placed the fans backwards. Instead of blowing air out, the air is blown into the case. This is a 800d case with the usual radiator at top. I don't really want to dismantle the whole thing to correct the fan direction. What I want to know is can you reverse the current flow on the fans so that the blades spin in the opposite direction?

Also didn't help that I had no internet this week. The stupid neighbor hit the internet cable. They are doing some kinda of construction.


Also is there any way to silence that dam 655 pump. I just redid my setup and it seems like the pump is the loudest thing in my computer. It's already on that foam thing that comes with the pump, but it vibrates a little. I been thinking of switching the flow speed down to one instead of two.

Finally, is there any good tubing that doesn't plasticized. My tubing turn this disgusting yellow color. I changed about half of the tubing with new tubing, which is what was left over from when I built my system the first time.
Edited by Bekster - 3/24/13 at 3:03pm
post #2 of 6
Quote:
Originally Posted by Bekster View Post

I wasn't paying attention and placed the fans backwards. Instead of blowing air out, the air is blown into the case. This is a 800d case with the usual radiator at top. I don't really want to dismantle the whole thing to correct the fan direction. What I want to know is can you reverse the current flow on the fans so that the blades spin in the opposite direction?

Also didn't help that I had no internet this week. The stupid neighbor hit the internet cable. They are doing some kinda of construction.


Also is there any way to silence that dam 655 pump. I just redid my setup and it seems like the pump is the loudest thing in my computer. It's already on that foam thing that comes with the pump, but it vibrates a little. I been thinking of switching the flow speed down to one instead of two.

Finally, is there any good tubing that doesn't plasticized. My tubing turn this disgusting yellow color. I changed about half of the tubing with new tubing, which is what was left over from when I built my system the first time.
AFAIK there is no way to change the direction a fan spins.

The pump might actually be running too low which is causing the vibrations. I have mine set at 3 and is damn near silent. I also have it on a 1" thick foam pad though.

I've heard good things about Duralene and the new Primoflex Advanced LRT. I have no experience with either since I use colored tubes, but those two seem to be the most reliable
post #3 of 6
Electrically you can switch the wires and the current will flow the opposite way, however, it will not work properly, as fan blades are not designed to work both ways.

Sounds to me like you do not like the extra effort involved in water cooling. Perhaps you should consider moving back to air cooling?
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post #4 of 6
Quote:
Originally Posted by Capt Proton View Post

Electrically you can switch the wires and the current will flow the opposite way, however, it will not work properly, as fan blades are not designed to work both ways.

Sounds to me like you do not like the extra effort involved in water cooling. Perhaps you should consider moving back to air cooling?

It will work both ways. Except it loses efficiency spinning backwards.
A fan going backwards will still move a good amount of air.

Only that you can't do that with PC fans because they're reverse-polarity protected.
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post #5 of 6
As long as your performance isn't bad, I don't see what's wrong with keeping the top as intake. Just make sure you are properly exhausting that heat through the rear or even the front.

As for the pump, it is very silent at setting 3/4 if you don't bolt it down (have it be suspended by tubing), otherwise the vibrations from any setting gets resonated when it is bolted to your case. Setting 5 (unbolted) sounded like setting 2/3 when it was bolted down back when I was using a Silverstone TJ07. With my Prodigy, I keep it at around 3 (unbolted), so I don't have to hear my pump nor my fans, my hard drive is the loudest part.
    
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post #6 of 6
Quote:
Originally Posted by Volvo View Post

It will work both ways. Except it loses efficiency spinning backwards.
A fan going backwards will still move a good amount of air.

Only that you can't do that with PC fans because they're reverse-polarity protected.

I stand (well, actually sit) corrected. I was reasonably sure from my own experience with electronics that a DC motor would work either way. Was not aware of reverse polarity protection. I am guilty of what I often grind my teeth over, making a statement as a fact when it is not.
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