White Rodgers 1F90W-71 manual Display

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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 (non-flash- ing) when thermostat is running on battery power only.

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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Contents 1F90W-71 About Your New Thermostat Operating Your Thermostat Questions and AnswersYour NEW Thermostats Programming Your Your NEW THERMOSTAT’S Features Operating Your Thermostat Parts of the Thermostat Back of The Thermostat BodyBack of Thermostat Body Display System Time SET Buttons to Thermostat ButtonsUsed with 11 12 Operating Features EMR on TWO Hour Temperature Over Automatic ChangeoverConvertibility Press Time Advance Program KEY PressTo change the thermostat to the next Adjust anticipation. Press At the same time againUse To returnHEAT-OFF-COOL-AUTO Limited Temperature Range Total Keypad LockoutProgramming Your Thermostat Your Home Period Time Temp Entering Your Program Heating/Cooling Schedule Plan Sample Set Current Time and Day Press and hold eitherUntil Enter Heating ProgramPrgm to resume program operation Enter Cooling Program Check Your Programming Programming Your Thermostat How can I permanently change a part of my program?Ming Your Thermostat Gramming Your Thermostat Why can’t I program the thermostat in the Auto mode?Erating Your Thermostat Thermostat immediately, press Display is flashing BATTERY. What does this mean? Why is the system turning on and off so frequently seldom? See Operating Your THERMO- StatProgramming Your THERMO- Stat Ating Your ThermostatAny time you wish to turn your system off Simply press Is displayed, put the thermostat back on Part No -5088A