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Watercooling Path & Pump Placement?

S

SelRahc

Limp Gawd
Joined
Aug 12, 2004
Messages
389
Hi all,

About to finally complete my water cooling setup, and I just want to solicite advice on the routing. Here is what I have for the loop:

CPU Block
GPU Block
NB Block
2x HD Blocks
Res
240 Rad
Inline Flow Sensor
Pump

In what order do you think these should go in? So far the advice I've gotten is something like: Res > Pump > Rad > Flow Sensor > CPU > VC > HD1 > HD2 > NB

How does this path look?

My main HD is a raptor, and what a heat machine it is lol. The rad i have now is a 240 that will support 2x 120mm fans. Would throwing another smaller rad in the line be a good idea? Maybe a 120?

Also, does it matter where I place the pump? I have the option to mount it high as well as low.

Thanks in advance.
 
That is one massive loop, out of curiosity what pump are you using for it? You very well may notice that you are getting very poor flow rates in which case a second pump would be highly advisable. (Although if I remember correctly you are the dude with the silver AC stuff right? AC stuff performs pretty good under low flow)

As for the routing, there are only 2 things you need to worry about. The first is you probably want the resevoir right before the pump inlet (also the res should be higher than the pump). The reason for this is to aid in the initial filling and bleeding of the system. It doesn't matter where the pump is in the loop (high or low).

As for everything else, do not worry what order you put it in, although simply because you have so much stuff in the loop you might want the cpu closely after the radiator. The biggest concern for you will be to use the least amount of tubing. The less tubing you can use the less restriction you have, which in such a long loop like yours is very important. My recommended setup would be like this :

RES > PUMP > GPU > CPU > NB > RAD > HD1 > HD2 > RES

The reason why I say to do the loop like this, is that I am assuming you have the radiator at the top of the case (you might have it at the bottom in the front of the case, in which case put it after the HDs). I suggested this loop because if you have everything situated as I guessed this loop would provide the least tubing and nicest routing.

People may tell you that the cpu is getting bad water temperatures because there are 2 hds, pump and gpu in the loop between it and the radiator. However, as I have already proven before in another thread, the water doesn't really heat up all that much going through a loop. In a loop with an overclocked processor, high end gpu, nb, and a huge pump (high heat dump), the water temperature will vary by maybe 2C from the start to rad.
 
Someone remembered lol. Yeah all of the equipment is AC stuff with the silver blocks. Classes and RL has kept me so busy, it's all STILL sitting in the boxes next to me. I have a few days off so I want to just get it done. lol a little overdue.

The pump is the Aquastream, which is an Eheim 12v pump.

With so many things on 1 loop, I almost thought about doing 2... sounds counterproductive though. The real goal of watercooling is to cut down on the sound as much as the temps. Running 2 loops would mean 2 pumps, and more fans.

Do you think having so many items on 1 loop will be ok? Thats alota heat sources there hehe.

The rad placement hasn't been set yet. I can mount it on top, bottom, back or even front if i wanted to. Bottom, top or back would be the easiest though. Any recommendations on that?
 
I would say put the radiator wherever is easiest for you. Since you want the watercooling more for the silence than for overclocking you should be fine with the single pump. If you were to get two you could either run two separate loops, or you could run both of the pumps in series (provides roughly double the head pressure and hence increased flow in restrictive loops). I think you will be fine with one pump though...if you dont like the performance you can always add another pump and/or radiator later.
 
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