How do I install a 24VAC transformer on white-rogers 50A50-472 - which terminals do I connect to? Or are there a 24VAC terminals already present? The unit has a humidifer.

How do I install a 24VAC transformer on white-rogers 50A50-472 - which terminals do I connect to? Or are there a 24VAC terminals already present? The unit has a humidifer.

There is supposed to be a wiring/connection diagram instructions with the control. Follow it OR find the directions on line.