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PWM pump question

YahgRaider

Newbie

PWM pump question

Saturday, May 9th 2015, 10:32pm

Hi there everyone,

I am currently expanding my watercooling setup and am looking into the Aquaero 6 Pro or XT to run the 3 PWM Corsair SP fans on my main rad and also a DDC 3.2 PWM pump that will be mounted below an Aqua Computer reservoir and pump top.

My question is that i know that the Aquaero 6 will run the fans, but what is its capability regarding a straight up PWM driven pump?
The pump is rated to draw 18W, it has a separate power connector and PWM connector with 2 cables, i can put all 4 cables into a single 4 pin fan header if necessary, i am also prepared to add that nifty metal heatsink block to the controller if required.
I just mainly need to know if i can control the pump satisfactorily from the Aquaero 6 and its software.

Many Thanks.

InfoSeeker

Senior Member

Sunday, May 10th 2015, 3:14am

Which pump specifically?

Jakusonfire

Full Member

Sunday, May 10th 2015, 3:29pm

The Aquaero will run the PWM DDC just fine. You could change the wiring so that power comes from the Aquaero as well as the PWM signal but there is little point as it won't change the way the pump is controlled.
The only thing to note is that the PWM DDC's have a narrow PWM response, such that around 15% PWM is min speed and 70% PWM is full pump speed. Setting the fan header it is attached to, to 15% min and 70% max will give a nice smooth 0 to 100% control when assigned to a controller.

YahgRaider

Newbie

Tuesday, May 12th 2015, 5:17pm

Okay thanks Jakusonfire, that is much appreciated knowledge. Infoseeker the pump in question is http://www.scan.co.uk/products/ek-ddc-32-pwm-12v-pwm-pump a Laing DDC pump made by EK with PWM control.

Railgun

Full Member

Wednesday, May 13th 2015, 5:02pm

This is exactly what I'm doing; running the dual top EK DDC directly off the AQ6 (one pump per channel). At full load, it's well below the controller's thermal and power limit.

YahgRaider

Newbie

Thursday, May 14th 2015, 1:28am

Railgun,
did you rewire the connectors then? to route all 4 through the 4 pin fan connector?

Railgun

Full Member

Thursday, May 14th 2015, 11:21am

Yep.

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