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Old August 2, 2012, 12:07 PM
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Originally Posted by Astaroth View Post
I find the noise made by a D5 running at 24v will get drowned out by the quietest of fans. I guess the PWM gives you the benefit of performing less wear when idle thus extending pump life expectancy?
I'm pretty sensitive to my computer noise. I have to slow down my pump to ~ 2000 rpm (full speed is 4500)before I can tolerate the noise. I also run my fans @ 5V or lower if possible.
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Originally Posted by NiteOwl View Post
How do you run it at 24v on a 12v power supply?
CTR-SPD24X2 Dual 24V Pump Controller

They also make them for one pump.
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Old August 2, 2012, 12:57 PM
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I'm pretty sensitive to my computer noise. I have to slow down my pump to ~ 2000 rpm (full speed is 4500)before I can tolerate the noise. I also run my fans @ 5V or lower if possible.

CTR-SPD24X2 Dual 24V Pump Controller

They also make them for one pump.
interesting. i am already not sure that my 1 655-b pump is going to be enough for the system i am building, i was going to add a mcp 350 pump that i have also in the loop somewhere. would bumping up the voltage on the 655 be a better idea for a cleaner install and still push through everything in the loop?
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Old August 2, 2012, 01:01 PM
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Don't mix and match pumps. Stick to one type. Either way you'll be fine. Flow rate is hugely overrated. You also can't bump the voltage past 12V on a D5 unless you have the D5 strong model.
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Old August 2, 2012, 01:03 PM
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Don't mix and match pumps. Stick to one type. Either way you'll be fine. Flow rate is hugely overrated. You also can't bump the voltage past 12V on a D5 unless you have the D5 strong model.
Cool, thanks for the info.
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