FibberservCL FSSEG-X3 User Manual page 52

Step 2: Set to suit your HVAC.
After installing, press the rotary button, and then follow the setup guide.
Step 3: Select "Add new devices" in the menu of the app
!
Tip: for this step, you could also press the "Z" button of the gateway for two seconds until the LED
indicator turn solid blue.
Step 4: The Thermostat will add into the gateway system.
The LED indicator will be off when pairing is successful.
Please check the app to ensure that it is added to the system.