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Plans for new rad and new pump

post #1 of 31
Thread Starter 
Please excuse my terrible ms paint skills..

My main concern is now whether to remove my current bay+res or to make use of it
Also, will facing my PSU down at the bottom make the 140mm Rad suck in the warm air from the psu and make it even worse on my 240mm at the top

Ideally I want to mount a push pull 140mm slim or possibly thick rad at the bottom next to the psu and I want to add or change the water pump.

If everything goes well I want to add my 7970 to the watercooling loop with the heatkiller block and backplate

Get ready for the terrible ms paint skills!

(i wrote PMP500 because someone in my other thread suggested the koolance pump, it was cheaper than the mcp35x and seems it has more pressure and flow rate? Now i have no idea about the noise or heating issue though.. my big problem is whether i add that pump to the loop or if I do so will cause some sort of problem...)



http://www.frozencpu.com/products/16824/ex-rad-425/Alphacool_NexXxoS_UT60_Full_Copper_Single_140mm_Radiator.html?tl=g30c95s929

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_201&products_id=35715

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_457_458&products_id=33798
Edited by INCREDIBLEHULK - 3/16/13 at 1:46pm
  
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post #2 of 31
Thread Starter 
Anybody? redface.gif
  
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post #3 of 31
Thread Starter 
http://www.erodov.com/forums/can-i-run-two-pumps-single-loop/50333.html
came across this , seems my next step will be seeing if i am capable of removing the pump from my pre-installed kit!

Any advice from you experienced users?
Also are right angle and twisted fittings really that bad? is there a way to measure the pressure they reduce or how is it compared to a simple bent tube
  
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post #4 of 31
I Haven't played with any other pumps aside from D5 & The XSPC X2O DC-750 Pump/Res. I am so glad that i upgraded to the D5 they are beasts. Does your case support a 140mm rad with out modifications down the bottom. Also another thing to consider is are your power supply cables going to be ok with the 140 rad being down the bottom.
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post #5 of 31
You should be ok with running that XSPC X2O DC-750 Pump/Res running a 240mm up the top and a 140mm down the bottom and a gpu waterblock. I used to run that kit with my 360mm rad up the top and a 240mm rad down the bottom with two Gpus with waterblocks and i never had any issues in my old Haf932 Case.
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Hoodz
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post #6 of 31
Quote:
Originally Posted by INCREDIBLEHULK View Post

Also are right angle and twisted fittings really that bad? is there a way to measure the pressure they reduce or how is it compared to a simple bent tube

http://martinsliquidlab.org/2011/01/30/fittings-and-elbow-impacts/

dont go crazy with 90* elbows(20 fittings) and it wont be a problem
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post #7 of 31
Thread Starter 
Hoodz and pc-illiterate thanks guys

I really just wanted a stronger pump to avoid upgrades in the future and know I have 3x the pressure as well as some nice flow with the pmp-500,
I just want a powerful flow without having to throw away my 240rad, tubing, waterblock, and res if you know what i mean

I'm under the impression that the 15ft vs 5ft pressure is going to allow a few C temp drops due to a higher pressure and flow rate just not sure if this is true

my PSU will be fine theres 2 140mm fittings on the bottom but one is where the psu goes the other is on the side, no cables in the way or anything either
  
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post #8 of 31
You should rate a pump on head pressure more than flow rate. Your flow rate will be determined by the blocks and ID of you tubing and the size and radiator you choose.

Use the least amount of angle fitting as possible.

I would go for a D5 variable pump (swiftech 655mp) they are the same pump. I think koolance calls them 450's. Just get one that you can control speed.
I have found that running the pump on 5 makes my temps go up a few degrees c do to it running faster through the rad.

If your going to cool a CPU and GPU go for the biggest and thickest rad you can put in or outside your case. This will help cool better and better future proof you loop.

As far as a res, I use res/pump combo helps save space, but I also have a lot of components in my case. A cylinder res (if you can fit a 250mm) with the D5 pump and a pump top would be a bit better for temps.
A bigger volume of water in the res helps temp a great deal.

Think large scale a 50 gallon fish tank using 300w heater to heat the water to 76F in about 2hrs. Where a 10 gallon tank using the same 300w heater to 76F take about 30mins.
Larger volume of water = lower temps due to heat dissipation in the res. Just depends if you want space savings or performance.

As far as tubing I recommend 7/16"ID x 5/8"OD why? Fitting and tubing are cheaper then 1/2 x 3/4. Plus it is pretty much the same. 7/16 x 5/8 also bends easier.

As far as your power supply leave it pulling cool air from the bottom of the case and exhausting out the back of the unit. This will keep the PSU going strong during load as keeps your life of the unit from decreasing. Also keeps extra heat out of your case.

Hope this helps if you need anything more just post reply or PM me smile.gif
 
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post #9 of 31
Quote:
Originally Posted by highendpcgamer View Post

You should rate a pump on head pressure more than flow rate. Your flow rate will be determined by the blocks and ID of you tubing and the size and radiator you choose.

by size i mean the total length of tubing you have to use.
 
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post #10 of 31
having your pump on 5 itself causes the water to be warmer because that pump is cooled by the water flowing through it. this summer i'll be changing over to an mcp35x with its top. im going to wait until i get blocks on both my 670s first.
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