Hello Ruth_c001,
Thanks for posting here in the community forum. It seems you’re having some concerns about how to connect some wires to your thermostat. Don’t worry; it's a pleasure to assist you.
If you find these wires attached to your thermostat, it's crucial to contact a local professional to verify their purpose and avoid any potential trouble with your thermostat's functionality.
Check out this article for more information: Identify a thermostat wire in the section of other thermostat wires.
Also, you can use this tool, the compatibility checker, to know if this wiring system is compatible.
Let me know if this information helps and if you need further assistance.
Best regards,
Daniel
