The thermostat has a memory backup that saves the thermostat's settings in case of a power interruption . The system settings will be retained but the clock will reset after 90 seconds with no battery or AC power . The reset button located under the battery cover can be used to reset the thermostat to factory defaults . RESET BUTTON. http:weiss-johnson.comAprilaire 8463 Thermostat Instructional Video
Page 20 Unregisters the thermostat from an Aprilaire account . Use this Non-Prog Thermostat when the thermostat needs to be registered to a new Aprilaire account . For instance, if you have purchased a home with the Reset Service Clears the Change Air Filter, Fresh Air, Dehumidifier, and HVAC.. The thermostat can either be AC or battery powered, or both. When wired to be AC powered, the batteries are optional and only provide backup power to the clock. The thermostat has a memory backup that saves the thermostat's settings in case of a power interruption. The reset button located under the battery cover can be