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ECI 12+ (Single Stage Phase Worklog)
Another project on the bench, a nice quiet and small phase cooler.
Goals? Low cost (~$600 or less) Subzero (Around -20C or lower) load on an i7 sized load (or more!) Small footprint Solid (steel base frame) Decently quiet Low power consumption (Sub 300W) Upgradeable features (Full case, digital temperature display) Specifications: 1/5hp Copeland r404a compressor 120mm Chilly1 Blue Condenser with 38mm fan (~100cfm) 18" Braided flex line (Extrable flex, without risk of tearing!) Copper Spiral Evaporator and new Universal Mount Full Insulation kit Double H frame, solid steel, MIG welded, ground, then painted Pictures up in a few :rock: Desuperheater coil brazed, as well as the main suction entity. http://img43.imageshack.us/img43/3492/0701091701.jpg Steel triple H frame it seems, to help suspend the condenser. Might end up switching to 3/4 or even 1/2" steel. This 1" is way over the top. http://img21.imageshack.us/img21/9693/0701091703.jpg I call this a Harvey Dent shot, one face is cleaned, one face still oxidized. http://img517.imageshack.us/img517/1503/0701091705.jpg The bend of this flexible line, a steel corrugated line under copper/brass alloy braid. Able to withstand lots of pressure and still flex well. http://img362.imageshack.us/img362/8457/0701091709.jpg |
An update!
Frame spot welded, ground, and heading for sand-land before some paint. Single Stage sits on it, have some nice rubber feet as well. Total drop in unit, solid frame, I love it. http://img339.imageshack.us/img339/7673/0705090040.jpg http://img132.imageshack.us/img132/8205/0705090044.jpg |
Very nice Nol. I bet this would be uber nice for a s775 24/7 rig. Still good temp goal for i7 too.
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You bet, and i7 as well.
The load can easily be held, and you'd be surprised how little performance difference between -20C or so and -40C. It's not a hu-ge jump, one that often costs you $500. EDIT: Did you know you can't type hu-ge? "Huge" makes "HUG" huge |
Is this a build for a customer or one you are just building to sell when you are done?
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To sell when done.
I have one or two people interested in it, but I'm not looking for deposits. Then again if someone "calls dibs" on it I'm willing to take a list or build multiple at the same price. |
Nice evaporator and mount ordered, took a bit of a while.
But should arrive this week so I can finish this up. Oh and grinded and sprayed the frame! Now to drill and mount some bolts and what not. |
http://img197.imageshack.us/img197/5530/0720091925.jpg
Mount arrives with evaporator! Nice, universal, pre made insulation, what more could you want? |
Looks like a chilly cool2
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Nice work so far NoL:D
Keep it up:D |
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Custom accumulator brazed and fitted.
The internal design is NOT an empty cavity, but contains an item to cause baffling and stop linear flow. http://img149.imageshack.us/img149/839/0728091719.jpg |
Pretty awesome work mate....
I really like it, Keep it up |
Pressure testing done, moving into vacuuming.
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Nice lookin' unit, NoL
Do you run it open or do you have a case for it ? |
Nice building buddy!
What about the temps?:D |
Tuning now ;) Temps later. Though that unloaded shot was at about -41C.
And no case as of yet, just the steel triple bar frame which is getting etched, primed, painted, and cleared tomorrow I think. Should be good. But I will be putting forth a shot at a cheap frame that the user could case however they wished. Acrylic being a prime option. |
It's a 1/5hp little unit, r404a compressor, copeland.
Chilly1 blue with 100cfm 110vac fan. 20" Flex line, Chilly1 evaporator, unmodified. 250W @ -26.5C 200W @ -30.5C 150W @ -35.4C At 250W, 240psi high side, 30psi low. The charge is primarily R402a. Captube is .031" capillary tube, probably around 6ft right now. Custom accumulator and SLHX. Small format, and pictures of the base coming up later, nice steel framework with some paint. Size fits for drop into a V2000 if my measures are correct. Compressors a bit warm at 33C, but overall not even that bad. Still producing very little noise, quieter then a NF9FX on r134a ;) The noise is all in that fan, but it's needed for the moment with this kind of condenser. http://img694.imageshack.us/img694/5493/dscn2191a.jpg http://img85.imageshack.us/img85/3707/dscn2192t.jpg http://img96.imageshack.us/img96/5285/dscn2193p.jpg http://img63.imageshack.us/img63/6149/dscn2194f.jpg Hope you enjoy. |
Can't see the condensor all that well but kool lil unit :thumbsup:
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Pretty pictures tomorrow ;)
It's a Chilly1 Little Blue. |
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