If you are looking at a diagram and see any terminal labeled Y, W, or G, you are not looking at a true Carrier Infinity Communicating Thermostat diagram—that is for the "Edge" series or older non-communicating models.
If you are looking at a diagram and see any terminal labeled Y, W, or G, you are not looking at a true Carrier Infinity Communicating Thermostat diagram—that is for the "Edge" series or older non-communicating models.