If you're posting a request for installation help, please provide as much info about your system as possible. For example, for help regarding connecting a smart thermostat, please include details about your system including whether you have gas/electric, heat pump, number of heat stages, A/C condenser, etc.

Honeywell Discussions on SmartHomeHub

Honeywell smart thermostats (including the Lyric) and Honeywell-branded add-on devices.