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Pump advice and Eheims - Page 2

post #11 of 18
Quote:
Originally Posted by dbmsts View Post

Thanks. I'm totally new to custom water cooling, so I'm getting confused by the terms pump tops, preinstalled pumps and just pump. Now for example would this pump include the mounting hardware or would I have to buy it separately: http://www.aquatuning.nl/product_info.php/info/p1253_Laing-D5-Pump-12V-D5-Vario-1-2-IG.html

That's a Laing D5 that has not been modified for use in a watercooling loop. The inlet/outlet ports are not G1/4 threads for use with typical watercooling fittings.

Laing makes the D5 and DDC pumps for use in solar heating units, and these pumps because of their flow rates, low electricity requirements, and their dependability, have become popular for use in computer watercooling. Companies like XSPC, Swiftech, Koolance, etc buy Laing pumps in bulk and add various modifications including pump tops and mounting hardware and such, slap their label on it with model numbers such as MCP-655, PMP450, VPP655 (D5) or MCP35x, PMP400 (DDC).

If you buy the above pump you will probably want to purchase a pump top for it, like any one of these:
http://www.aquatuning.us/index.php/cat/c1306_D5-Tops.html
Quote:
Then there's this preinstalled D5 pump:

http://www.aquatuning.nl/product_info.php/info/p11277_Alphacool-VPP655----G1-4-IG-complete-with-D5-HF-Top.html

Would the last one contain the plugs and adhesive material? Also the specs say it has 4 x 1/4" connection threads. Are these for the compression fittings that go on a 1/4" thread or is this the ID size of the tubing?

That Alphacool VPP655 pump you have linked is a D5 Vario (it comes with a variable 5-speed switch on the back) mounted in a pump top. The pump has a molex power cable and an rpm wire with a 3-pin fan connector for use in reporting (not controlling) pump speeds to a motherboard or fan controller header. It has G1/4 threads for use with all popular/common watercooling compression or barb fittings these days, and it has a base plate with holes for mounting however you see fit.

I personally would probably use something like this to mount it in my case, but I don't mind drilling a few holes when/where need be. :

https://www.google.com/search?q=Phobya+Vibration+Dampening+Mounts+(52007)

antivibration pump mount kit

You can find similar options here: http://www.aquatuning.us/index.php/cat/c88_Decoupling.html
Edited by Unicr0nhunter - 4/18/14 at 2:39am
post #12 of 18
I should point out that if you fall back on interest in the Eheims, the 1046/1048 used by Aquacomputer for the Aquastreams provides roughly the same performance as a DDC 3.1/MCP350 while not being much louder than a D5 if at all, so most normal loops can do fine with it.
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post #13 of 18
Thread Starter 
Thank you both that was very informative.

Unicr0nhunter, I've noticed a picture of a COSMOS 2. I didn't know that a triple 120mm rad could be installed on the top. How'd you do it? Is there still room for the tubing to come downwards without interfering with the optical drive bays and without kinking? Can I install the aphacool nexxxoss xt 45 360mm on the top without any modding in my Cosmos 2?
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post #14 of 18
Quote:
Originally Posted by dbmsts View Post

Thank you both that was very informative.

Unicr0nhunter, I've noticed a picture of a COSMOS 2. I didn't know that a triple 120mm rad could be installed on the top. How'd you do it? Is there still room for the tubing to come downwards without interfering with the optical drive bays and without kinking? Can I install the aphacool nexxxoss xt 45 360mm on the top without any modding in my Cosmos 2?

lol, my Cosmos 2 is air cooled. I bought it with the original intent of putting a loop in it, but it presented me with too many challenges seeing as I wanted / needed to keep all of the available HDD bays for HDDs & SSDs so I put off / delayed that project and left it air cooled - it's now a family room gaming / media server / htpc of sorts - and have since built a watercooled bench rig and a build in an Enthoo Primo (awesome case for watercooling). I may or may not ever get around to putting the Cosmos 2 underwater.

You are correct there's not a lot of room for a 360 rad up top, well, at least not in push-pull. There's ~47mm of clearance from the top of the mobo to the top of the case, so you can fit a 45mm thick 240 or 360 rad up there with just a single set of fans on top without too many issues. .... Rather than reinvent the wheel, here's a post I had in the Cosmos 2 Owners Club thread discussing what rads can fit ...
Quote:
Originally Posted by Unicr0nhunter View Post

Yeah, a 360 will fit in the top without too much trouble but there are two tabs in the roof that will probably have to be bent back or cut off.

Cosmos 2 fan tabs need bent/removed to fit 360 up top

Then there's only 47mm from the top of the motherboard to the roof of the case, so there's enough room for a 45mm thick rad but with no fans under it because there's not hardly any offset. That also rules out fitting a fan under a 30mm thick rad also in most instances. So, you're pretty much stuck with just the fans on top set to either push or pull.

And then a 240 or 280 of any thickness will fit in the bottom with both hard drive cages down there removed. Most 280 rads fit fairly snug down there.

Or, remove the 5 HDD bays at the front of the case instead and there's room there for a monsta 120 or 140 in push-pull if you want.

Of course the case is big enough that if you are comfortable with doing some modding you can make more fit where you want it, but it will take some work. A lot of people in this thread have managed to get 480s to fit and more. Just wade through it and you'll see plenty of examples.

Lately I have been looking at possibly cutting out the top panel of the Cosmos 2 and fabricating my own creation in its place so I can better position a top 360 rad in push-pull. I need to do some better measuring, but from what little bit of figuring I have done so far it looks like I might be able to both raise and offset the fan/rad cutouts on that top panel a few mms either way from the mobo so that I actually might be able to fit a 30mm or maybe even a 45mm thick 360 rad up top in push-pull and still fit the top filter cover in place. If that turns out to look like it will work I might yet go that route .... or I may just leave it as is and proceed to go forward in another different case altogether. Maybe a Caselabs this time? I dunno.
Edited by Unicr0nhunter - 4/19/14 at 2:35am
post #15 of 18
Thread Starter 
The tabs on the top, are they there for a particular reason? Will bending them cause any problems? I also have an optical drive in the top 5.25" bay will that cause any hindrance?

Another question, are you sure that a 280mm will fit at the bottom? Just wanted to be sure cause the manual's not very informative. According to it you need to remove the bottom HDD cage and install the two metal strips on one side if you want a 240 rad at the bottom (don't remember it correctly, I think it was only a 240). Will the 280 rad fit with or without the metal strips?
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post #16 of 18
It looks to me like the tabs are for if you are just mounting fans up top. They appear to be there just to hold the edge of the fan mounted closest to the front so you don't have to put those two harder-to-reach front screws in. Instead you just slide that end of a fan in and fasten the two easier to reach screws. Kind of dumb imho because the screws aren't that hard to get to.

I have a blu-ray drive in the top 5.25" bay and it comes right up to my most-forward top fan - they are literally touching each other- so I suspect that a 360 rad in the top might interfere with a drive there. You might have to locate it in a lower 5.25" bay.

As far as mounting a rad in the bottom goes, the Cosmos 2 comes with brackets to make mounting a 240 rad (or two) down there easy enough, but if you take the bottom bracket out there's ~155mm of vertical space there so a 280 rad will fit down there instead, but you would have to work out how you want to go about mounting it. I've seen a few builds posted in the Cosmos 2 owners thread that have 280s in the bottom, and I recall watching a video somewhere of a build putting a 280 down there, but that's about as much as I know. Like I said, I never really considered putting a rad down there myself as I need those HDD bays. If you want to know more you might try asking in the Cosmos 2 Owners Club thread.
Edited by Unicr0nhunter - 4/19/14 at 3:59am
post #17 of 18
Thread Starter 
thanks again.
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post #18 of 18
Quote:
Originally Posted by Chunky_Chimp View Post

I should point out that if you fall back on interest in the Eheims, the 1046/1048 used by Aquacomputer for the Aquastreams provides roughly the same performance as a DDC 3.1/MCP350 while not being much louder than a D5 if at all, so most normal loops can do fine with it.

Its a good pump,overlooked in favor of Laing,no pump matches its features tho.
I particularly like the ready availability of spares for Eheim's Pumps.

Its performance is around d5 setting 4 but it does run out of steam in low restriction loops.
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