Owner's Manual
Page 4
... Outdoor Temperature (Select Models) Pressing the Information i key once shows the outdoor temperature when an outdoor temperature sensor is installed. 4 69-1629-1 Emergency Heat (T8511 Heat Pump Models Only) The Emergency Heat feature allows you to turn on the backup heat section of the system by... moving the System switch to the Em. position. Ht. The thermostat shows Em. To change current temperature setting. Auxiliary Heat (T8511 Heat Pump Models Only) The auxiliary heaters assist the heat pump under normal conditions when low outdoor temperature occurs. Use for emergency heat....
... Outdoor Temperature (Select Models) Pressing the Information i key once shows the outdoor temperature when an outdoor temperature sensor is installed. 4 69-1629-1 Emergency Heat (T8511 Heat Pump Models Only) The Emergency Heat feature allows you to turn on the backup heat section of the system by... moving the System switch to the Em. position. Ht. The thermostat shows Em. To change current temperature setting. Auxiliary Heat (T8511 Heat Pump Models Only) The auxiliary heaters assist the heat pump under normal conditions when low outdoor temperature occurs. Use for emergency heat....