Ah, I see. This timer has three control circuits.
Originally Posted by TGMcCallie
I called tech support and they say that you have to run seperate lines to the controller and use the controller/timer/ just like you would a light switch which breaks one side of the hot line.
Exactly. You'll need to feed the timer with 120V for the control (you can use the circuit for the light for this), then breaker one side of the two 240V circuits.