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post #361 of 10730
Quote:
Originally Posted by siffonen View Post

Quote:
Originally Posted by DanielCoffey View Post

Quote:
Originally Posted by siffonen View Post

Quick question, i ordered aquaero 6 and i want to control my pump speed with it. Pump is d5 with the red speed knob and blue rpm signal wire, is it ok to connect the pump to one of the fan connectors of aquaero? It can handle the power, but is this a good way to control this pump, which dont have pwm control.


The signal wire on the D5 Vario will only report the pump rpm. It is not possible to control the rpm of that that specific pump from the AQ6.


Yeah i know that, but i meant that i use a normal 3-pin fan connector and attach pumps all 3 wires with that to aq6 fan connector, and control the voltage going to pump with aq6.

edit. found the answer from the other Aquaero 6 thread, it can be done and aquacomputer used similar setup in their performance demonstration video which i should have watche paying more attention smile.gif

Yeah, BUT sounds like you have a D5 Vario ("with the red speed knob") which does not like to be voltage controlled, unlike a D5 model without the speed control knob on the bottom. I've not tried it or run into it myself, but have read that about the issue. I've seen posts where people modded their D5 vario to bypass the built-in pot or whatever it is so that it could be voltage controlled.

Perhaps Darlene knows something / could expand on this.
Edited by Unicr0nhunter - 4/9/14 at 1:34pm
post #362 of 10730
Quote:
Originally Posted by Jakusonfire View Post

For power measurement you need two temp sensors and a flow sensor. The Aquaero calculates the heat energy generated or lost by comparing the temp change and flow rate.

I wonder how accurate this is.
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post #363 of 10730
Quote:
Originally Posted by skupples View Post

I wonder how accurate this is.

From the manual. I said air temp sensor earlier, that's incorrect, you need a flow sensor and the two rad temps.

Quote:
11.5. Power measurement
Up to four independent power measurements can be configured to calculate
dissipated or absorbed power in up to for cooling loops. Prerequisites are
two water temperature sensors and a flow sensor in the same cooling loop.
The water temperature sensors are optimally installed into radiator inlet and
outlet port.
The aquaero calculates the current power dissipation using the temperature
difference between two temperature sensors and the current flow rate. Water
ha a thermal capacity of 4187 Ws/(kg * K), meaning an energy of 4187 Ws
is required to increase the temperate of 1 kg of water by 1 Kelvin.
Power = thermal capacity * volume flow * temperature difference
Due to inaccuracies of temperature and flow sensors and temperature inertia
of the cooling system, power measurement is a bit problematic in general.
Especially during system start up, the actual power dissipation will differ significantly
from values calculated by the aquaero. Furthermore, any coolant
additive alters the thermal capacity, this is factored in in the aquaero. The
power measurement functionality should therefore just be seen as an interesting
additional information.
In the device menu, each data source can be selected from a list of available
sensors. In the aquasuite, data sources from the sensor list can be assigned
to the corresponding areas labeled “Flow sensor”, “Temperature sensor 1”
and “Temperature sensor 2” using drag&drop. Existing assignments can be
deleted by clicking the red “X” symbol.
post #364 of 10730
Quote:
Originally Posted by skupples View Post

I wonder how accurate this is.

Just depends how accurate your sensors are. Its never going to lab quality because you are measuring the temp of a fitting that is warmed by the water that is warmed by what ever is producing (or dispersing) heat. Its really just an indication, but is pretty accurate after everything has warmed up.
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post #365 of 10730

Vs: OCN Aquaero Owners Club

Quote:
Originally Posted by Unicr0nhunter View Post

Quote:
Originally Posted by siffonen View Post

Quote:
Originally Posted by DanielCoffey View Post

Quote:
Originally Posted by siffonen View Post

Quick question, i ordered aquaero 6 and i want to control my pump speed with it. Pump is d5 with the red speed knob and blue rpm signal wire, is it ok to connect the pump to one of the fan connectors of aquaero? It can handle the power, but is this a good way to control this pump, which dont have pwm control.


The signal wire on the D5 Vario will only report the pump rpm. It is not possible to control the rpm of that that specific pump from the AQ6.


Yeah i know that, but i meant that i use a normal 3-pin fan connector and attach pumps all 3 wires with that to aq6 fan connector, and control the voltage going to pump with aq6.

edit. found the answer from the other Aquaero 6 thread, it can be done and aquacomputer used similar setup in their performance demonstration video which i should have watche paying more attention smile.gif

Yeah, BUT sounds like you have a D5 Vario ("with the red speed knob") which does not like to be voltage controlled, unlike a D5 model without the speed control knob on the bottom. I've not tried it or run into it myself, but have read that about the issue. I've seen posts where people modded their D5 vario to bypass the built-in pot or whatever it is so that it could be voltage controlled.

Perhaps Darlene knows something / could expand on this.

Damn, i wish that it could work with speed knob in highest position and then control the voltage.

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post #366 of 10730
Quote:
Originally Posted by siffonen View Post

Damn, i wish that it could work with speed knob in highest position and then control the voltage. [...]

Perhaps it can, as I'm really not sure what all the issues with doing that were. I just recall seeing posts like these:

http://hardforum.com/showthread.php?t=1068890 <- After reading the OP, see post 8 and after.
http://forum.overclock3d.net/showthread.php?t=59972

And so on. I know that I've seen quite a few more detailed posts similar to those here on OCN and elsewhere, but my google-fu is FAIL trying to find any of them. Took some effort just to find those.

In any case, I suspect Darlene or someone here that will know for sure what, if any, actual issues there might be trying to voltage control a D5 Vario with an Aquaero.

FWIW, there's not a lot of reason imho to not just set your D5 vario to whatever the highest speed that you're comfortable with noise-wise and leave it there. AFAICT changing pump speeds on my D5 has had very little if any effect on my loop temps.
post #367 of 10730
The problem is the D5 vario control system is not simply based on reducing voltage. It is reasonably complex motor speed control system. If you look at the Video of the Aquaero 6 running 2 D5's it shows the screen running one of the pumps. It is reduced to 65% power or 7.7V but the pump speed has only dropped from 4800 to just under 4300.
Just putting the pump on a fan controller will never give the same range of control as the built in system.
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post #368 of 10730
Thanks all guys, i`ll just use pump in one speed only. Btw should i get pump speed through a mb fan connector? I have connect the wire in one fan connector in my maximus iv, but didnt get any readings of rpm.
post #369 of 10730
You can use the mobo cpu fan header to read speed off the tach wire if you wish
post #370 of 10730
Anyone using the AquaComputer Aquabus D5 pump with the Aquaero 6? Do you find it in AquaSuite under D5 pump connected via aquabus?


Picking up one next week, hoping able to decouple and isolate it from the CL motherboard slightly noisy tray.

How low rpms can you run the AC Aquabus while maintaining solid temps?

Please come back Darlene, we miss you...smile.gif


...
Edited by MeanBruce - 4/10/14 at 7:11pm
    
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