Overclock.net › Forums › Cooling › Water Cooling › Ddc pump top has three threads
New Posts  All Forums:Forum Nav:

Ddc pump top has three threads

post #1 of 5
Thread Starter 
Hey guys I'm planning my loop and my ddc pump has three options for fittings. Is this just for options or can I actually use all three?



There is one on the top and two on the opposite sides of each other,

What would be the pros and cons of this if I used all three if I even can?
post #2 of 5
I may be looking at that picture wrong, but it looks like the one on the left and the one on top are possible inputs, and the one on the right is the output. If that's the case, you need only use one of each, and plug the other.

Best efficiency occurs if you use the top one from the reservoir.
My System
(18 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Xeon X5670 Gigabyte GA-EX58-UD5 Gigabyte GTX 970 G1 Gaming Gigabyte GTX 970 G1 Gaming 
RAMRAMHard DriveHard Drive
OCZ Gold 1600, 3x2GB Kingston HyperX 1600, 3x4GB OCZ Vertex 2 240GB WD Black 1TB 
Hard DriveOSMonitorKeyboard
WD Black 1TB Windows 7 Pro x64 Viewsonic VP2770-LED Thermaltake Poseidon MX Brown 
PowerCaseAudio
Seasonic 1000 W Platinum Case Labs M10 Creative X-Fi Titanium HD 
  hide details  
Reply
My System
(18 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Xeon X5670 Gigabyte GA-EX58-UD5 Gigabyte GTX 970 G1 Gaming Gigabyte GTX 970 G1 Gaming 
RAMRAMHard DriveHard Drive
OCZ Gold 1600, 3x2GB Kingston HyperX 1600, 3x4GB OCZ Vertex 2 240GB WD Black 1TB 
Hard DriveOSMonitorKeyboard
WD Black 1TB Windows 7 Pro x64 Viewsonic VP2770-LED Thermaltake Poseidon MX Brown 
PowerCaseAudio
Seasonic 1000 W Platinum Case Labs M10 Creative X-Fi Titanium HD 
  hide details  
Reply
post #3 of 5
Thread Starter 
Quote:
Originally Posted by Firehawk View Post

I may be looking at that picture wrong, but it looks like the one on the left and the one on top are possible inputs, and the one on the right is the output. If that's the case, you need only use one of each, and plug the other.

Best efficiency occurs if you use the top one from the reservoir.



So if I wanted to use all three, because I'm having a hard time with my config design, and using all three would help.

If I hooked the res into the top directly, then had it shooting to the GPu on one side and pulling from the rad on the other...

So how would that effect flow and efficiency? Or is it even possible to pull from the res and rad at the same time?
post #4 of 5
Quote:
Originally Posted by darwing View Post



So if I wanted to use all three, because I'm having a hard time with my config design, and using all three would help.

If I hooked the res into the top directly, then had it shooting to the GPu on one side and pulling from the rad on the other...

So how would that effect flow and efficiency? Or is it even possible to pull from the res and rad at the same time?

What you're saying would work, but would be a PITA to bleed the air properly.

Basically a centrifugal pump works by taking in water at the center, then shooting it out the sides.

That pump top has an intake at the top, and another one on the side. The one on the side goes in, turn 90 degrees, then enters the center of the pump. They used to sell the DDC pumps that straight up take water in from one side, enter the center, and shoot it out the same side. This was an issue for a while, because it drops pump efficiency by a notable amount. If I recall correctly Koolance's PMP400, which is their rebrand of the Liaing DDC, gained about a whopping 1 PSI pressure gain when you used a pump that intakes straight from the top. 1PSI may not sound like a lot, but when speaking about tiny pumps and 1GPM flowrates that are used in liquid cooling it actually is a significant gain in pump pressure.

Hooking up the pump the way you're thinking would also, as previously stated, make it hard to remove air from the loop. Usually when bleeding the loop, all the little air bubbles circulate through the loop, then into the reservoir, then pool at the top where they are no longer bubbles, or circulating in the loop. Since your proposed idea has no intake in the reservoir the bubbles would never enter the reservoir under normal condictions you might have a hard time removing them.

So your idea would work, but it would add some complications as well as a notable unneeded pressure drop. Honestly, if I were you, I'd just go:

>res>pump>rest of the loop> back to res

rather than

res
l
v
pump>rest of loop>back to pump

Your reservoir should have two ports at the bottom. If it's hard to route the tubing due to it being a tight fit, grab a 90degree fitting. That should give you enough room to keep the tubing fixed up properly.
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
post #5 of 5
Thread Starter 
Amazing answer! Yeah I understand what you are saying about the air bubbles, did a test bench trial and you are 110% right the bubbles would never go away. I'll just have to figure a way of doing to the optimal way with res to top of pump shooting to the rest of the loop.

Thanks so much for your expertise!! thumb.gif
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Water Cooling
Overclock.net › Forums › Cooling › Water Cooling › Ddc pump top has three threads