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EK-DDC and Dual Loop

post #1 of 13
Thread Starter 
My original setup here was to do the following in one somewhat large loop:

Pump > Reservoir > 360 Radiator > 360 Radiator > CPU > GPU (SLI) > Pump

However, I have lately been considering picking up a second MCP35x and doing a dual pump setup. I've never done this before and have some questions regarding it if anyone could help.

1) Will one MCP35x pump power my above setup?

2) If I do happen to do 2 MCP35x pumps, would I HAVE to do dual loop? Or could it still fit into my current single loop setup? How would I have to set up my loop now?

3) I am using an EK-Multioption RES X2 250 - Basic version. Would this reservoir support a dual loop setup? I'm not sure if it has enough inlet/outlets. I could always get the advanced version.

4) If a dual loop setup IS possible based upon my current reservoir, what type of loops would I want to be setting up?
Edited by xyeLz - 2/6/11 at 11:22am
post #2 of 13
A friend of mine is thinking about running 2 pumps also. After looking at this it made me start thinking about it also.

http://www.frozencpu.com/products/12...tl=g30c107s156
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Slides Dream
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post #3 of 13
You can run two pumps in one loop. Just make sure you have the same model of pump in the loop (i.e. 2 MCP35Xs and not one MCP35X and a MCP655). I don't know about putting the pumps back to back though. I have a dual loop which keeps everything seperate.
post #4 of 13
Thread Starter 
I think if I do 2 pumps, I'm probably going to want to do a dual loop.

Probably something like this:

Loop 1: Pump #1 > Reservoir #1 > Radiator #1 > CPU > Pump
Loop 2: Pump #2 > Reservoir #1 > Radiator #2 > GPU > Pump

Is that okay?

I only have the one reservoir. Should I grab another basic or should I just pick up an advanced version of the one I currently have and just use that? I'm not quite sure how the reservoir would come into play here in terms of inlet/outlets.

Does anyone have pictures of a single reservoir dual loop?
Edited by xyeLz - 2/6/11 at 11:51am
post #5 of 13
I run 2 MCP355's in series one after the other, your Pump is best put after the res but other than that loop order makes no difference to temps. Also:

http://www.xtremesystems.org/forums/...d.php?t=254683

should shed some light on the dual vs single loop question
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by Starbuck5000 View Post
I run 2 MCP355's in series one after the other, your Pump is best put after the res but other than that loop order makes no difference to temps. Also:

http://www.xtremesystems.org/forums/...d.php?t=254683

should shed some light on the dual vs single loop question
That was great! To be honest it looks like the single loop setup competed with BOTH the dual loops and beat it in multiple areas. Definitely a deal breaker for me considering the single loop is about $200 less.

What about getting this to house my pumps?: http://www.frozencpu.com/products/10...ck_Acetal.html

Or will two separate pumps perform better?
post #7 of 13
I have them as 2 separate pumps mounted like this guy has but it shouldn't really make a difference. I've read that the all in one pump kills flow because of the way it bends but I have never read anything that backs this up. Added someone did some testing for 45 and 90 bitspower fittings and they had a negligible effect on flow so I cant imagine why a pump top would when lots of BP fittings don't
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post #8 of 13
Thread Starter 
Quote:
Originally Posted by Starbuck5000 View Post
I have them as 2 separate pumps mounted like this guy has but it shouldn't really make a difference. I've read that the all in one pump kills flow because of the way it bends but I have never read anything that backs this up. Added someone did some testing for 45 and 90 bitspower fittings and they had a negligible effect on flow so I cant imagine why a pump top would when lots of BP fittings don't
Okay great!

It appears as if the housing is only for a single loop (ie: one inlet and one outlet) so it's simply for more pumping and reliability. Am I correct in saying this?
post #9 of 13
Quote:
Originally Posted by xyeLz View Post
Okay great!

It appears as if the housing is only for a single loop (ie: one inlet and one outlet) so it's simply for more pumping and reliability. Am I correct in saying this?
Yes its for a single loop running 2 pumps in series. The advantage is increased head; most loops are rather restrictive particularly multi block loops and so this will help a lot
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post #10 of 13
Thread Starter 
Thanks Starbuck, appreciate all your help here.

My final question I guess will be is the DDC Dual Top that I posted earlier compatible with the 35x? EK support absolutely sucks and they usually take 3-4 days to respond.

It only says the 350/355?
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