I never planned to run that 19918 TEC at 24v haha, its quite good at 12v x 8a though, good enough to cool the pentium anyway, just 50x50mm is too big, so the 12715 40x40mm TEC it is
Yeah I better use the second PSU just to be safe, for testing anyway, it's not as good a PSU, I'll test for a week or so and then decide if I can get away with just my main PSU
I have a 50x50x3mm copper cold plate and I have to make another 40x40x3mm copper cold plate for the 12715, plus I have everything I need to insulate so I can let this puppy run all out. I also bought that Manual PWM controller I listed on ebay so I can turn it down a bit if I don't want the hassle of worrying about condensation, although I'll then be worrying about fire from the Mosfets haha. I have a 320mm rad with 1150rpm fans on it and a D5 pump, I can put some better fans on it if need be. With the 12715 TEC at 12v x 11a thats only 132w heatload, plus the ~75w my CPU will put out so I'm only about 207w total heatload so I think I'm good for rad space and fans. I may modify my CPU block to suit the TEC better though, it currently flows right into the centre, but there is a small reversible panel so that the fittings connect to opposing corners of the block for large compression fittings, but it still diverts flow to the centre of the block, so I will have to drill out the brass under the corner inlet position to get more even flow over the TEC which is quite important to keep all parts of the TEC hotside as close in temp as possible.
good to see how that 12715 does with just a heatpipe cooler shrimp, I'm looking forward to getting mine and putting it under water. That 3700+ is a 85.3w TDP right? so that should be a good sign for my 53w TDP pentium. If I push up to 1.55v and it's under water hopefully I'll still see subzero cold plate temps as it should still be quite a bit lower TDP than your 3700+. are you running the TEC at 12v shrimp?Edited by LiamG6 - 9/28/15 at 2:01am