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DDC waterpump not correctly scaling with Output within Aquasuite

-SambaL-

Newbie

DDC waterpump not correctly scaling with Output within Aquasuite

vendredi 27 février 2026, 11:57

Hi there.

I have a DDC 4.2 PWM pump connected to a Quadro controller which maxes out @ 4460 RPM when the output power slider is set to 45% and beyond within Aquasuite (version X.85). It is not really a problem because the waterpump is working and adjustable, but I would like it to scale 1:1 like my PWM fans do which are connected to the same controller. It just makes it easier to oversee when setting up curves and such.

I tried adjusting this under the 'Controller Override' settings but I couldn't figure it out. Am I missing something ?


Remayz

Senior Member

vendredi 27 février 2026, 17:10

you need to set the output scale to 0.5.

when setting 100% PWM on your curve, the controller will output 50% to put the pump at full speed.
Edit : i use a DDC so it's tested and working :p

While you're at it you can even create a virtual sensor to divide the pump RPM reading by 2 to get the real impeller speed. looks nicer on the dashboard :thumbsup:

Speedy-VI

Senior Member

vendredi 27 février 2026, 20:53

Citation de "Remayz"

While you're at it you can even create a virtual sensor to divide the pump RPM reading by 2 to get the real impeller speed. looks nicer on the dashboard :thumbsup:
Is the impellor speed half of the reported pump RPM? Is this specific to the DDC pump or does it also apply to the D5 Next pump?

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