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A/C unit built into cooling system - testing phase 2

post #1 of 19
Thread Starter 
So i've got a 240mm radiator mounted inside a 10k BTU standing A/C unit. it has a built in condensation evap so there is not too much water build up (about 2 cups of water a week - ideas for this going to be put into play soon).

i don't have a build log unfortunately cuz i was too excited to get it apart and put together and the pics i do have are crap
but here it is:









looks like crap but i'm going to be getting a case next month and hopefully going to be doing some clean up and a few modifications.
again sorry about the crappy pictures, i'll get more one night this week.

CPU Temps
- Overclocked 4.2 GHz idle @ 18C
- Stock 3.4 GHzidle @ 13C

GPU Temps
- Overclocked 900 core, 2350 mem idle @12C
- stock idle @ 8C

MoBo
- Overclocked (both GPU and CPU) idle @ 18C
- Stock (both GPU and CPU) idle @ 10-11

(i'll get some screen shots for proof when i have time)


i'll get load temps once i do some modifications
As per condensation (which i know is going to be the first question to arise) i don't get any on my board
i have a dehumidifier blowing to the two intakes on the A/C unit. When i wanna get really cold i blow the dry air from the A/C unit over the MoBo. (normal setup, i have the dehumidifier blowing towards the MoBo)
since an A/C unit is basically a dehumidifier with a evaporator, i can get well below room temp (dew point is dropped since the air around the MoBo is robbed of moisture).



lemme know whatcha think
More to come
cheers.gif




EDIT:
Power Use:
haven't noticed any significant jump in my power bill. i've been running solid for 2 1/2 - 3 months now.
post #2 of 19
NICE!! if you put a nice little tuto on how to hookup eveything with the AC i'll give you a big rep! always wanted to do that thumb.gif
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post #3 of 19
Love it! + Reps!
post #4 of 19
Thread Starter 
Quote:
Originally Posted by remz1337 View Post

NICE!! if you put a nice little tuto on how to hookup eveything with the AC i'll give you a big rep! always wanted to do that thumb.gif

yea i've got some plans for putting everything together nice and fancy
getting paid on the 31st so ill be ordering the case
and hopefully i can get ahold of a powder coating guy so i can get it all done at once
thanks man smile.gif
Quote:
Originally Posted by freakb18c1 View Post

Love it! + Reps!

haha thanks
cheers.gif





Much more to come guys!
post #5 of 19
Good idea. I was thinking of doing something like this but I didn't have a free window that I could route the exhaust heat to.

How much did the A/C unit cost you?
And how much noise does it make? (Noise was the other thing that had me decide against it.)
post #6 of 19
Thread Starter 
Quote:
Originally Posted by quipers View Post

Good idea. I was thinking of doing something like this but I didn't have a free window that I could route the exhaust heat to.

How much did the A/C unit cost you?
And how much noise does it make? (Noise was the other thing that had me decide against it.)

yea it's definitely a noisy friggin thing - nothing a decent set of cans won't drown out though
the unit was $400 - http://www.amazon.com/gp/product/B0029XPSAS/ref=oh_details_o05_s00_i00
a bit pricey but it's a quality unit - the only condenastion i get from the unit is when the ice freezes up and the Auto-Evap can't handle the amount of water
at which point i drain it....about once a week into a small casserole baking pan wheee.gif

i'm starting to run into icing issues on the condenser...think i need to route some air around the rad for better flow...just a heads up

as far as heat, since it's winter i actually just blow the hot air right over my keyboard...keeps my hands nice and toasty biggrin.gif
but yea, once it gets warmer around here, you'll definitely need a window to exhaust the air.
if you're in an apartment with wall mounted A/C units then you can cut into the exhaust vent and route it through there.
i did this with my first setup which was just a standard window unit inside a closet haha


here's the first testing i did with this to see what temps would look like
the unit was 6k BTU (i think) and i was making a "cold room" for the rads to sit
eventually i mounted the fans (with the case) to the front which seemed to drop the temps down an additional 3-5 C (which i didn't document)
once i knew it was working steadily i cut out the whole to access the vent in the wall (didn't document this either) and ran a condensation drain to a bucket.
from the bucket i setup a pond pump with auto on/off (sump style floater) which would drain the bucket to the bathroom shower once it hit a certain level


EDIT: the first trial was loud as HELL
Edited by Hazzeedayz - 1/28/13 at 7:31am
post #7 of 19
Thread Starter 
small update
got my 800d in, wired up and running
i just wanted to get it done so i do not have very many pics

So here is the unit stripped down - i did a little modding here but you can't see it
i drilled a hole to poke the temp probe into the hot air exhaust so that the compressor stays on when its cold in the room
other stuff was for fitting and flow




now earlier i spoke of icing issues - i no longer have them
i used my dremel to cut out a bigger cold air exhaust for the rad - any excess flow gets ported down the to compressor area for better efficiency
(i cleaned up the cuts post pic)



here's the rad zip tied on
that middle tie was meant for centering while i put the front panel back on
i used some plyers and a carpenters knife to cut and pull it out through the vents after i got it in the right spot


some gorgeous fittings




and the centerpiece
that vertical tube is the fillport which drops directly into the res
the pump im using is 2 MCP35X with a dual pump top and added res
gpu running in a single parallel config
loops order: pump > gpu > cpu > rad > mobo > gpu > res



temps are the same as above
more to come when i stop being lazy
cheers.gif
post #8 of 19
looks good lazy
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post #9 of 19
Thread Starter 
Quote:
Originally Posted by gunslinger0077 View Post

looks good lazy
that's gay
post #10 of 19
Freaking sweet Hazzee! I like these kind of experiments. Was considering doing something similar.
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