How do I disable WAC on the Lyric Round Thermostat?
To disable WAC (wireless accessory configuration) setup mode on the Lyric Round Thermostat, first press and hold the Weather icon on the left side of the thermostat until a menu appears. Arrow down to Wi-Fi and press OK. Arrow down to WAC Mode and press OK. Using the arrows, highlight Disabled and press OK. Return to the main screen by selecting Exit and OK. Enabling WAC adds the external accessory framework to your project and allows your app to configure MiFi Wi-Fi accessories.