Quote Originally Posted by jwyatt View Post
I believe you can program the operation of the input in the setup menu. From the manual, for active = ungrounded, you'll want to pick "Normally Closed" as the input logic on whichever switched input you wire to.
Worked as you described.

I still feel that it's backwards for an annunciator, but that's not an AFS issue. Having the wire break would also create a situation in which the annunciator would light as well. I really don't want the annunciator lit as Dynon recommends when the heater circuit is off.