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Leak Testing New Custom WC Loop Quick Question

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a b K Overclocking
a b à CPUs
a b U Graphics card
June 26, 2013 3:37:09 AM

Hi everybody,

I have a quick question regarding leak testing my new loop.

I have to do this with the loop installed, as my case is only an XL mid tower not a full tower, so breadboarding isn't an option as fully removing and then installing the loop whole just wouldn't be possible, not enough space.

Anyway my question is, would using a second PC to test the pump be ok? What I mean is, a second PC switched on and booted up with a molex cable running from its PSU to the fan controller in my main PC so I don't have to power up the tested rig??

Sorry this might be a derpy question but a little bit if doubt slipped into my mind whether this would be a good idea or not, so I wanted to double check.

Cheers everyone
a c 177 K Overclocking
a b ) Power supply
a b å Intel
a c 106 B Homebuilt system
a c 116 à CPUs
June 26, 2013 3:52:57 AM

What most people do in this situation is jumper the PSU, its a way of turning on the PSU when its not connected to the motherboard. Grab something like a paperclip, grab the 24pin cable and put the paperclip in the ends that have a green and black (any of them) wire. That will start the PSU.
http://www.overclock.net/t/96712/how-to-jump-start-a-po...
Just everything except for the pump and fans, then you can leak test safely.
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a b K Overclocking
a b ) Power supply
a b à CPUs
a b U Graphics card
June 26, 2013 4:02:14 AM

the easiest and best way to test your loop is to unplug everything from to powersupply. plug the pump into a molex connector. take a paperclip and bend it into a u shape. On the 24 pin plug take the plug in your hand with the latch facing up and count from the left over 4 pins and place the paperclip in pin 4 and 5 ( pin 4 is green, pin 5 just to the right is black). this will jumper the powersupply and will turn it on when its plugged in.

Do not have anything else plugged in to the PSU, you can leave any cables plugged into the PSU but don't plug them into say the harddrive, MB, videocard.
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a b K Overclocking
a b à CPUs
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June 27, 2013 8:23:10 AM

Thanks guys, really appreciate it. I knew of the paperclip method but I was just reluctant to be sticking metal pins into my nice new PSU.
But I tried it in the end and it worked perfectly...... Plus, no leaks or problems of any sort =D

Cheers guys
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