The Display
1Continuously displays system mode (HEAT, OFF, COOL, AUTO, HOLD). During pro- gramming, the program period is displayed (MOR, DAY, EVE, or NHT).
2Alternately displays room temperature (F denotes degrees Fahrenheit and C denotes degrees Celsius) and time of day (A de- notes AM time and P denotes PM time).
3Displays the setpoint temperature.
45 DAY indicates that the displayed program is the weekday program. 2 DAY indicates that the displayed program is the weekend program.
5The word BATTERY flashes on the display when the “AA” alkaline batteries are weak and should be replaced. The word BAT- TERY is displayed continuously
6FAN ON is displayed when the blower is operating continuously. FAN AUTO is dis- played during automatic fan operation (when the blower cycles with the heating or cooling system).
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