This reply is amazing, thank you! This gives me a much better understanding of the work done by a chilled water pump in a closed loop vs a refrigerant pump with

This reply is amazing, thank you! This gives me a much better understanding of the work done by a chilled water pump in a closed loop vs a refrigerant pump with an expansion valve in the loop and in which situations the affinity laws apply to. I’m just a dumb electrical PM who knows enough to be dangerous, and I only know how things like heat exchangers, pumps, and fans work on a very basic level so this is illuminating.