Connecting a Ddc pump

kevbiss1

kevbiss1

kevbiss1

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Joined
10 Aug 2009
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695
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Malvern
Hello, so I'm new to water cooling and just built my first custom loop, it cost me a bit extra coz of mistakes but I got there in the end!!
I connected by pwm pump up to the aio connector on my motherboard, seems to be running quite fast and is quiet, not sure if I should connect it to my cpu header though,

Thoughts and advice,

Thanks, kev
 
depends on the wiring on the DDC. If it's a proper PWM four-pin I would connect it to the CPU or PUMP (not all motherboards have a PUMP header). However, rather than worrying about having it change speed according to CPU temperatures, my advice is to set it to a flat level that you can bear. Try full on first and see if it's too loud. If you cannot hear it, leave it on full. That way you know you will always have the best flow when needed. I prefer to leave pumps on full and use insulation to keep the sound down. DDC pumps can be heavy on vibration so always try to either suspend the pump (with soft tubing obvs) or place foam underneath it.
 
Thanks for the advise guys , so I'll leave it connected where it is and set it as fast as I can without it being too noisy, the pump itself is mounted in a phanteks r160 reservoir
 
Like Brizzle said, run it at max to clear any air bubbles/pockets in your loop, then scale it back, pumps aren't like fans, there's no need to push them hard unless you have a very restrictive loop.
And grats on your first custom loop.
Personally I run my rad fans off the cpu header and my pumps off a pump header, but you can use a spare case fan header for your pump
 
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