It is obvious it has never been tested from the inner workings of the unit and the sequence of events described. This was Gerryrigged up to attempt to appease shareholders.
"they could feel warm water with their hands" is NOT testing. lolol jmo
Thanks taking the notes and posting them. Don't worry about the scientific terms, if I stick my hand out the window I can tell you if its cold or not. I don't need a weather man for that.