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crix

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D5 pump at 24v?

Freitag, 10. April 2015, 21:58

According to the specifications for the Aquacomputer D5 pump (with USB and aquabus interface), it can be run at anything from 8 to 24V DC. There are no further information or warnings anywhere in the manual or documentation that mention the use of a different voltage than 12V.

I am therefore wondering if there is anything to consider before trying to run the pump at 24V?
Will the pump control via USB and/or aquabus be affected, and if so, how?

If it, for some reason, is not recommended to run the pump at 24V, I wanna know why (I will not accept "we do not recommend it" as a proper answer or response without further explanation). I simply wanna know if the pump CAN be run at 24V, and what the implications or risks of doing so might be. Since it's stated in the pumps specifications (and on the pump itself) that it supports up to 24V, and there is no warnings whatsoever stated anywhere, the warranty cannot be voided if trying, but I wanna know if there are any considerations to be taken before I try.

Increased heat and/or reduced lifespan of the pump is not an issue, as long as it's all within tolerable limits.

I know there is not too much to gain in increasing the voltage (as the pump is tuned for 12V), but I still wanna see what the thing is good for. There are other 24V tuned D5 pumps on the market, but they lack the aquabus and control features that I benefit from in my setup ;) I've already ordered 12V to 24V step-up converters, so I will probably try anyhow, but any tips or hints before trying is appreciated :thumbup:

--
Crix

Samstag, 11. April 2015, 14:08

The USB D5 is just a D5 vario and giving it 24V has exactly the same effect. It gives almost no increased performance except at very high flow rates that would never be achievable in an actual loop with components. It doesn't produce more heat or speed up the pump. It is purely a hangover from the pumps initial design as a pump for solar powered systems and other applications where the supplied voltage might be variable.
It just means the pump has a wide voltage tolerance, nothing more. The speed control is not affected at all.

The only version of the D5 that takes advantage of 24 or higher than 12V is the D5 strong because it has a higher speed limit.

Dieser Beitrag wurde bereits 2 mal editiert, zuletzt von »Jakusonfire« (16. April 2015, 14:59)