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Which Pump? - Page 2

Poll Results: Which pump?

 
  • 36% (12)
    MCP655
  • 33% (11)
    MCP655-B
  • 12% (4)
    MCP355
  • 9% (3)
    2x MCP350
  • 9% (3)
    Other (please specify)
33 Total Votes  
post #11 of 22
Here is a comparison pcb picture to the strong model which shows the rpm soldering point.

http://img34.imageshack.us/img34/722...0vspmp450s.jpg

The strong version is another one to consider if you think you'll be adding a bunch more restriction later. It'ssort of like the basic designed for higher speeds. At 12v it's about like the vario at setting 4.5.

At 24v it really takes off and about like 1.5 varios in series..very powerful. Downside is that it's fixed and you need 24V to get the power out of it. It also doesn't turn down very much.

I could just see buying the pump and running it at 12v. Then later add ctr-spd24 when you want to increase pumping power.
Edited by Martinm210 - 4/23/11 at 8:27pm
    
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post #12 of 22
yea after looking around koolance's pmp-450 is the same prices as a swiftech d5 vario at most places, and it saves those of us that want a tach 20 minutes of soldering
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post #13 of 22
Another thing to consider is power draw. The 450S is only slightly stronger than an MCP35X, while using almost double the electrical power. The difference could easily lead to $20 a year of electricity (if you leave your rig on 24/7).

I'd just get a normal 655/450, it will be more than enough for your loop.
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post #14 of 22
Quote:
Originally Posted by Martinm210 View Post
Yes, haven't done the mod myself, but I've heard others say they have done it. I'll try to dig up a picture of the pcb if you want to try...
http://www.xtremesystems.org/forums/...=234698&page=2
This is the guide I've seen, going to try it when my pump comes in in a few days.
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post #15 of 22
Thread Starter 
I can pump a few extra bucks in.

Is the MCP35x good for what you pay for?
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post #16 of 22
35x pwnzors!
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post #17 of 22
mcp35x = roughly $95usd
koollance pmp-450 = roughly $77usd
is the mcp35x worth $18usd more to you?
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post #18 of 22
655b hands down.
    
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post #19 of 22
Unless you want the PWM control, the 355 is a better choice. They are equally powerful and the 355 is much cheaper. While the 35X does also have a better PCB that leads to less pump burnouts, with your loop that shouldn't be a problem at all (only happens when you run a CPU only loop with the pump at a very high flow rate, 2+ GPM (7 LPM).
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post #20 of 22
Love my 655-B. Very quiet and reliable. Been running 24/7 for 3ish months now no issue.
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