What you said is used when the control switch control contactor, the contactor control object you want to control, coil that your time switch control contactor on the line, is actually very simple, I give you talk about the general idea of your own to try to link, you want to know the best, you will be the zero line is connected cj20 A1, the phase from the time switch delay break contacts string to A2, but your time control switch is a mechanical general or time relay that, you try it for yourself, all right.