Hi Strider, yes - I know the standard well, I am just completing certification of our German engineered flat plate solar collectors. Solaris is making them for BC.
I cannot send you a copy of the standard, because CSA wants to sell it for about $200 as I recall. I can answer your questions, and cite reference material in our discussion.
What is your understanding of exemptions to F-378 ? There was an option to get F-379 engineer stamped drawings, but the PE firm called Stantec. that was doing that custom drawings, stopped this year, unless the collectors have F-378.
I hope to start a new thread just about F-378 and F-379 solar collector and packaged system standards for those that want to discuss the requirements.