A lighting system is disclosed that includes lighting zones. Each of the lighting zones include LED light fixtures with different sets of LED arrays mounted to modular light boards that emit different output spectra. Each of the zones also includes a layer pack control unit coupled to the LED light fixture to control power to the LED light fixtures and to execute or run lighting protocols. The lighting system preferably includes a user interface device coupled to LED light fixtures in each of the light zones through a system bus and is capable independently control light output from the LED light fixtures in each of the zones.