There is no thrmostat. Unit uses data from sensor to control. Get the micro control book and study up.
7-11 keeps the thermostats in the rtu control panels, or at least they used to when I worked at them, to prevent hadji from messing with the temp. Remote sensors were in the returns or directly below them.
Officially, Down for the count
YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET
It was working when I left...
Liberalism-Ideas so good they mandate them