View Full Version : Asking a doubt about start/stop push button

17-04-2014, 05:40 AM
dear friends,
am using old type panel for air handling unit. Its start/stop operation through push button.now newly installed a new DDC panel. DDC panel have 2 relay out puts. How I can control this start/stop button with this relay out put..??any body help me.my email id-prijorobertp7@gmail.com