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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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#1 |
Cooling Neophyte
Join Date: Jul 2004
Location: BC, Canada
Posts: 15
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I'm working on a compact gaming system, and trying to decide what to do about a pump. I've got 3 Hydor L20s on hand that I picked up cheap a while back, and I'm thinking of using two or 3 in the system; the only other pumps I have on hand are a Mag5 and Mag3, which are too bulky to fit without enlarging the case. Also, the pump would be directly above the motherboard, hardly ideal for the Mags which are AFAIK prone to leaking. And before someone says to get a MCP600/650 or a couple of the new C-systems pumps, I'm flat broke and unemployed, so its not an option. My questions are:
Are the L20s likely to be damaged by running in series? Should I run series, or parallel? (for the pumps. the rads/secondary blocks will be in parallel either way) Series: T-splitter->(2 or 3 L20s in series)->WW->MCW50->DtekCore->T-splitter _______________________________->MCW20->HC->T-splitter Parallel: T-splitter->WW->MCW50->DtekCore->L20->T-splitter _____________________->MCW20->L20->HC->T-splitter And finally, is it going to be a problem to have L20s REALLY close to stuff like the RAM, the CPU, and the HDD cables? Talking like a couple inches tops. Any and all constructive input appreciated |
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#2 |
Cooling Neophyte
Join Date: Nov 2004
Location: D-FW, Texas
Posts: 26
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I run two L30's in series inside my external box. The box consist of 2 chevy caprice heater cores 2 l30's 2 med speed Panflo's and nexus rheobus. Here are a few pics:
Last edited by Brandon_Tyler; 05-10-2005 at 11:02 PM. |
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#3 |
Cooling Neophyte
Join Date: Jul 2004
Location: BC, Canada
Posts: 15
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Excellent, how long have you been using them that way?
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#4 |
Cooling Neophyte
Join Date: Nov 2004
Location: D-FW, Texas
Posts: 26
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about 2 weeks no issues.. at all. honestly its just a band aid for a upcoming external box.
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#5 |
Cooling Neophyte
Join Date: Feb 2005
Location: Everywhere
Posts: 39
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nice one, btw how come you didn't use the pumps in parallel? i've seen they gain much more power in parallel.
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#6 |
Cooling Neophyte
Join Date: May 2005
Location: Czech Republic
Posts: 10
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I think(maybe I am wrong): Centrifugal pump do not work that way. It provides almost constant pressure. It depends on rate of rotation only. It has nothing to do with input pressure. I think serial connection is meaningless.
Paralel - much better but also almost meaningless. I will never understand why do you need so big flow rate. I has 1LPM(0,25GPM) and temperatures looks cool. ![]() |
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#7 |
Cooling Neophyte
Join Date: Feb 2005
Location: Everywhere
Posts: 39
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yes but double the flow rate.
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#8 | |
Cooling Neophyte
Join Date: May 2005
Location: Czech Republic
Posts: 10
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/ I have to refresh my memory ![]() |
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#9 |
Cooling Savant
Join Date: Feb 2004
Location: Dunedin NZ
Posts: 735
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Serial is better than parallel in a watercooling environment.
__________________
Hypocritical Signature I tried to delete: Procooling: where scientific principles are ignored because big corporations are immune to mistakes and oversights. |
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#10 | |
Cooling Neophyte
Join Date: May 2005
Location: Czech Republic
Posts: 10
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#11 |
Cooling Neophyte
Join Date: Feb 2005
Location: Everywhere
Posts: 39
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i've seen a few reviews, and they say in parallel it gives much more flow and a tad more pressure... while in series it only gave a tad higher pressure... waterblocks need more water flowing through them, hence why they preffered the higher flow pumps.
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#12 |
Cooling Savant
Join Date: Apr 2002
Location: Houston, TX
Posts: 192
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In series the pressure doubles, in parallel flow would theoretically double but it doesn't. Look at Systemcooling’s review of the CSP 750s. In parallel, the flow only increased about 33%, probably because of the Y fittings.
http://www.systemcooling.com/cs_pump-04.html |
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#13 |
Cooling Savant
Join Date: Dec 2004
Location: Orlando, Florida
Posts: 383
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The temperature difference between the two should be minimal (couple of degrees). Since you are working with a small case, I would say use whatever configuration fits in the case. If you are worried about EMF interference, you could simply cover the pump in some sort of metal shielding (I think aluminum foil would cut it). Might look ghetto... I'd only tell you to do it if you are extremely paranoid. Make sure your system is leak free. I had problems with an L30 about a year ago (there was a leak at the inlet). Luckily mine was at the bottom of my case. One drop of water in your case, due to the proximity of the pumps, could spell disaster.
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