The only thing to clarify is the 10 psi at the filter discharge assumes ALL the water goes through the solar. Many times this is not the case as you just need to flow a few GPM through the solar. People divert around the solar to maximize the total circulation flow. So, that 10 psi must be at the pipe leading to the solar panels if you intend to divert some water around the solar. In my setup I have a homebrew solar in a back field and a 4x20 foot mat inside the pool fence. The filter output is split 3 ways. One to the returns directly and the others to each of the solars with each of them dumping into the deep end through their individual hoses. To get the one in the back field purged of air since it is about 10 feet higher I need to manually divert all the water until I blow the air then cut it back. As long as the system doesn't leak air back in I'm OK to shut the pump off until next running.
Al