2
• Press and hold the control dial for around 5 seconds
until the "OF" display goes out and "- -" appears.
3
• In the app, press "Add secondary device".
• Confirm with "LED is already flashing".
• In the "Find device" screen in the app, you will now see all of the thermostats that the central control
unit could find.
• The search takes around 15 seconds. Over large distances or if the connection is poor, this process
may take up to 2 minutes.
• Press "Done" once your thermostats have been found.
5 sec.