Certainly, Emily! First, ensure the power to the system is turned off before beginning the installation. Mount the Siemens XTRI-D securely on a suitable surface, making sure it complies with the recommended installation height and location guidelines. Next, carefully follow the wiring diagram provided in the manual, connecting all the necessary wires to their respective terminals. Double-check your connections, power up the system, and run a test to ensure the Siemens XTRI-D is functioning correctly. If you encounter any specific issues during the process, feel free to ask for further assistance.