I don't think there is a set in stone answer. You may consider giving it 3 or 4 weeks to ramp up on the routine before you start hitting and breaking PRs. I've read from multiple authors that the more you ease into a routine, the longer you can progress.
"The fastest way to get strong muscles is also the fastest way to make them bigger. We know what works best to make them strong in the shortest time possible. If you want to get big, do the thing that makes them strong." - Marc Rippetoe
Zdravko Veselin Gaeta
I am not a powerlifter nor am I a bodybuilder. I just want to be big and strong.