Simon XTi - Deleting GE IS-ZW-TSTAT-300 Thermostats
1. Press the GEAR icon at the bottom right then press DOWN ARROW several times
2. Press ENTER by Programming then enter your Master Code
3. Press INTERACTIVE SERVICES then press REMOVE DEVICE
4. The Simon XTi enters Z-Wave delete mode
5. On your thermostat, press the MENU button
6. Press the MATE icon twice which begins flashing then LINK turns OFF
7. After a few seconds the Simon XTi beeps and shows Device deleted, press CLOSE to exit
8. Press CLOSE twice to exit Z-Wave menu then Interactive Services menu
9. Press CLOSE again to exit programming