I have a multi-zone heat pump HVAC system. One heat pump, three thermostats. Each thermostat controls dampers for different parts of the house.
Thermostats are Honeywell Vision Pro 8000 Wi-Fi. Honeywell TCC connects to SmartThings. All good. Except…
The thermostats act like they’re controlling 3 independent units. So they can be changed to conflicting settings, like heat in one zone and cool in another.
I need some ideas how I could build something in SmartThings that would let me change heat/cool/off mode on all three thermostats with a single tap.
I’m total noob to SmartThings programming but I’m a retired software developer. Just need a jump start to get going in the right direction.