I'm aware that he wants to use a cascade. I just suggested that his application would be better served by a chiller. If you really want a triple evap autocascade, go over to the extremesystem forums and look up a member by the name of chilly1. He is an hvac engineer and is one of the few people around who is actually capable of building such systems (he has actually built one for an SLI setup.....incredible build.... weighed 150lbs+). Unless you have extensive knowledge of phase change cooling, and a lot of spare time, I would suggestion sticking with a single stage system for every component, or building a liquid chiller. Either would be much easier than diving head first into a multi head cascade system.
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