How would you create an artificial load on chilled water piping in order to perform a capacity verification on a chiller? The chiller is connected to an 8" piping loop, but with no air handlers or coils connected tied into it since it's been abandoned for some time. I imagine that there is...
I've been taught to use a rule of thumb of calling for fire dampers in ductwork penetrating walls with a 1-hr fire rating; and calling for combination fire-smoke dampers in ductwork penetrating walls with a 2-hr fire rating.
The problem is that I have no idea where this rule of thumb came from...
