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Pump, Fan and Temp monitoring/control without a motherboard.

post #1 of 5
Thread Starter 
Hi Everyone, I have kind of an odd project. I'm building a chiller based on @Martinm210 and @NaeKuh's tec chiller as found http://www.overclock.net/t/283213/my-next-project-under-way-tec-chiller/30 in the link. In its original form it was a bit under-gunned and design compromises were made to make it fit in a case, I am building something with double the surface area, wattage etc... so It can run closer to its ideal wattage for efficiency. The current plan is to run it on a dedicated variable DC supply (but I'd love to do PWM control, having trouble finding the right criteria for the controllers).

Also, the important bit is that this chiller is modular and self contained, essentially you would hook up your loop(s) to this as its external, it seemed a nice way to package it and would survive multiple machines and easier to upgrade/repair. The drawback to this is many of the things the motherboard does for you (temp monitoring) (PWM source and Feedback) aren't present. I have found a 6 pwm fan controller which I've got in the build currently but the only way to adjust it is with pots or linear rheostats. They leave much to be desired. Short of bolting on about 8 separate 7 segment displays for all the currents and temps. Is there anything out there that helps bring this under something somewhat-more-modern-than-manual control? something like an arduino shield +build I could follow or a pi board?

Its part of a grander scheme to selectively heat or cool a bunch of different applications around my house..like a DIY freezer and a cooling shirt etc.. Its been fun so far. I'll post pictures in a separate build thread but I'm fairly stuck where I'm at with temp feedback short of every-guage-on-the front face like an 1800's steam engineer, the closest thing I can find is the aquero Pro XT by aquacomputer but its hard to say if that is made to stand alone or run in conjunction with PWM from the mobo. I'm hesitant to pull the trigger given the price. Its also tricky to get pumps/sensors/accessories in their ecosystem. A second pass tells me a min-ITX mobo or similar seems overkill just to manage fans and temps.


There's also some advance concepts I'd love to hear discussed such as estimating the heat load based on flow and return temp, Coefficient of performance estimation, and how the heck you'd get a stable "hold" temp. That alone seems tricky just to remember what safeguards to keep in place (over current, low flow, fan stall, low fluid level etc..)
Edited by Alea iacta est - 6/2/16 at 6:28pm
post #2 of 5
I was going to recommend the Aquaero 6, but I see you've already found it. It's certainly a little annoying to get everything set up, but the beauty of the Aquaero is that unless you're like me and don't want the LCD panel, you can bypass the motherboard completely. You can run all your temp sensors and whatever else straight to the Aquaero PCB and configure your speeds, etc from the LCD. Of course it's always easiest if you just plug the Aquaero into an internal USB header, but you don't seem to be the type to go for easy projects............

That said, if you want to tinker I'm sure it probably wouldn't be too difficult for someone with the know-how to gerry rig something similar using an Arduino or Raspberry Pi.
post #3 of 5
Thread Starter 
Ah, So it does work in a stand-alone mode then... We'll that about settles it I think. have you worked with the software suite? Also, is there a better place to buy their equipment in the US than performance-pc? the literature in their stuff is....well...its mostly in German. Scant details/manuals in english. and there are no kits, so you have to know what your flows will be in advance and all the Aquastream XL + pro rev 3 non 32W PWM bus cables sorted in your order or you might buy the wrong thing...really quite annoying, their website, even the english version does a poor job illustrating what is "necessary" and what is a neat way to make the pump run the fans. via indirect usb
Edited by Alea iacta est - 6/2/16 at 9:15pm
post #4 of 5
Yes one of its best features is that it will run and control the cooling system totally independent of a pc.

The Aqusuite software just makes it easier to program and set it up as it is a pain to do it all via the front panel LCD.

Headover to the Aquaero forum on OCN for further info.
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Corsair 900D
(12 items)
 
Déjà vu
(16 items)
 
 
CPUMotherboardGraphicsGraphics
I7-6700K ASUS Maximus VIII Formula EVGA 980Ti Classified EVGA 980Ti Classified 
RAMHard DriveHard DriveCooling
Corsair CMD32GX4M4B3200C16 Samsung 512GB 950 Pro M2 Samsung 1TB 850 Pro Custom 
OSMonitorKeyboardPower
Win 10 ASUS PG278Q Corsair K70 RGB Corsair AX1500i 
CaseMouseAudioOther
Caselabs SMA8 Razer Deathadder 2013 On-Board Aquacomputer Aquaero 6XT 
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post #5 of 5
Thread Starter 
Thanks, I'll do just that.

Thanks again guys. Always helpful to bounce ideas here, and see what sticks.
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