I followed the example: Scroll View Layouts With Interface Builder Must have missed something. StackOverflow Question: iOS UIScrollView Issues Followed Samiul Islam Sami advice and everything worked. Matic Oblak also has a good technique for using the scroll view.
I later added keyboard support using some code from the links below. Stil not perfect. How to adjust a UIScrollView to fit the keyboard Move view when keyboard is shown (guide)