No. You have a Rheem. It needs switched to heat only. DO NOT connect the orange wire to O. You don't know where its connected to. O is energized on other brands for cooling, not yours.
If I remember right Ruud is the same way , I was an electrician by trade n did a few yr's of refrigeration work with hotels way back. I should just take some covers off n see what all wire works what this is more of an education. I'm half tempted to drop 100 n check out filtremes wifi stat now that I've took a course in stat 101 appreciate all the help , thxx again