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  Topic Review (Newest First)
03-08-2020 02:25 PM
bkrownd Hmmmm...I noticed more bubbling sounds coming from my pump at startup recently. I peeked in the reservoir today and see a lot of small bubbles, and a layer of fine sediment on the bottom of the reservoir. I guess I'm going to have to drain and flush the radiator/reservoir as much as I can soon. Since it looks like a very fine powder I'm not sure if it will cooperate with being flushed out. :/ None of this sediment appeared during the initial flushing or early on.
01-14-2020 03:06 PM
bkrownd
Quote: Originally Posted by ciarlatano View Post
I was referring to the pump, not the fans.

Fans and pump in the Eisbaer are both controlled by the same "fan curve". They are both quiet, even at full speed.
01-14-2020 02:47 PM
ciarlatano
Quote: Originally Posted by bkrownd View Post
It's already really quiet. The fans are running around 800 RPM, and since the curves are linked I'd have to see how low the fan speed would be to get the next steps down in pump speed.
I was referring to the pump, not the fans.
01-14-2020 11:52 AM
bkrownd
Quote: Originally Posted by Mordorr View Post
I did refer to her because of this, since last year i did to have one...

https://www.overclock.net/forum/61-w...-problems.html

People were telling me that v.3 should be fine, but we shall see.
01-14-2020 11:46 AM
bkrownd
Quote: Originally Posted by ciarlatano View Post
I would start testing and finding the point at which performance gets affected by lower pump speeds. You could probably run that pump at 2000 rpm, lose noise, gain pump life and not have any increase in temps.

It's already really quiet. The fans are running around 800 RPM, and since the curves are linked I'd have to see how low the fan speed would be to get the next steps down in pump speed.


Quote: Originally Posted by Bad5ector View Post
I have to ask, why external setup? That case is pretty much designed for custom loops, so it can't be space can it? I mean, to each their own, just curious.

I wanted the freshest possible air into the radiator with the least airflow obstruction, and don't want to blow warm radiator air into the case. It also keeps the inside of my case from getting crowded, and by removing the quick-connects I can add things like a temperature/flow meter without disconnecting coolant tubes inside the case. I also thought it would be easier to fill and drain this way. One problem with the 011 Dynamic case is that the slotted vent areas are very restrictive, with more metal blockage than slot opening.
01-14-2020 07:13 AM
Bad5ector I have to ask, why external setup? That case is pretty much designed for custom loops, so it can't be space can it? I mean, to each their own, just curious.
01-14-2020 06:43 AM
ciarlatano
Quote: Originally Posted by bkrownd View Post
Quote: Originally Posted by Mordorr View Post
VP755 pump?

Yes, it is a VPP755. It seems to be working well, and quietly.



About the pump control: There is no "fan curve" for the CPU_OPT PWM header that the pump is plugged into. But when I run "CPU burner" in MSI Kombustor the pump RPM goes up from 3800 to 4400, then back to 3800 when I stop it. So, the CPU_OPT header is using the CPU_FAN header's fan curve to control the pump.







This is my first experience with water cooling. Idle core temp is around 28-32C, MSI Kombustor CPU burner 68-74C, World of Warplanes around 46C.
I would start testing and finding the point at which performance gets affected by lower pump speeds. You could probably run that pump at 2000 rpm, lose noise, gain pump life and not have any increase in temps.
01-14-2020 05:21 AM
Mordorr I did refer to her because of this, since last year i did to have one...

https://www.overclock.net/forum/61-w...-problems.html
01-13-2020 03:32 PM
bkrownd
Quote: Originally Posted by Mordorr View Post
VP755 pump?

Yes, it is a VPP755. It seems to be working well, and quietly.



About the pump control: There is no "fan curve" for the CPU_OPT PWM header that the pump is plugged into. But when I run "CPU burner" in MSI Kombustor the pump RPM goes up from 3800 to 4400, then back to 3800 when I stop it. So, the CPU_OPT header is using the CPU_FAN header's fan curve to control the pump.







This is my first experience with water cooling. Idle core temp is around 28-32C, MSI Kombustor CPU burner 68-74C, World of Warplanes around 46C.
01-12-2020 02:58 AM
Mordorr VP755 pump?
Isn`t a tread about this one?
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