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08.28.2009, 09:46 PM
Brian I couldn’t get any efficiency numbers because there are so many variables. Things like thermoconductivity of the heating and cooling sinks, losses from insulation between the hot and cold side losses from the cold side to ambient air and so on. From best I can tell from some of the units I have they are capable of pumping about 170 BTU and it takes 76 watts to do that so that comes to about 69.19% using a 127 thermocouple device.
Here are a couple of pics I took of a little setup I did a while back and fired up today on 4S a123. This one was made with a CPU heatsink and the fan attached I added a second larger fan because 1 just wasn't cutting it, the heatsink temp rose too much (about 45F above ambient and now it's about 20F above ambient). The cold side is a chunk of 3/8" aluminum 2"X3"X3/8" thick and a little baby heatsink I just stuck on it for the heck of it, it's about 1" square and 1/2" tall.
Jeff
The Warnings & Cautions discussed in this manual cant cover all possible conditions/situations. It must be understood that common sense and caution are factors which cant be built into this product.
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