two & three wire controls

[geexoxo]

:confused: Can anyone explain the sequence of operation for two & three wire controls?> Thank you!

[Wgoodrich]

:confused: Can anyone explain the sequence of operation for two & three wire controls?> Thank you!


Sorry, you are going to have to explain in more detail. Two and three wire pump control, furnace control etc? Right now you are not specific enough for us to help

Curious

Wg