White Rodgers 1F90W-71 manual See Operating Your THERMO- Stat, Programming Your THERMO- Stat

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sons.

•The EMR function is operating. The EMR function will automatically bring on the system automatically to bring the temperature to the selected level by the beginning of the next program period. See OPERATING YOUR THERMO- STAT.

•You have programmed the incorrect day or time. Check your programming (be sure that the times you programmed are correct AM or PM times). See PRO-

GRAMMING YOUR THERMOSTAT.

•The thermostat is in the HOLD mode.

RUN

Press PRGM to start program operation.

See OPERATING YOUR THERMO- STAT.

• The compressor lockout feature is oper-

ating; wait about 5 minutes for system to begin running. See OPERATING YOUR THERMOSTAT.

12.Why does the blower fan keep running after the system has turned off?

•You have programmed the fan to run continuously during this period. See

PROGRAMMING YOUR THERMO- STAT.

•The blower delay feature is operating. This energy saving feature continues to blow conditioned air through the ducts after the system has turned off, rather than letting the air dissipate.

13.Why is the system turning on and off so frequently (seldom)?

The anticipation setting is too low (high). To change anticipation settings, see OPER-

ATING YOUR THERMOSTAT.

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Contents 1F90W-71 About Your New Thermostat Questions and Answers Your NEW Thermostats Programming YourOperating Your Thermostat Your NEW THERMOSTAT’S Features Operating Your Thermostat Back of The Thermostat Body Parts of the ThermostatBack of Thermostat Body Display System Time SET Thermostat Buttons Used withButtons to 11 12 Operating Features EMR on Automatic Changeover TWO Hour Temperature OverAdvance Program KEY Press To change the thermostat to the nextConvertibility Press Time At the same time again Adjust anticipation. PressUse To returnHEAT-OFF-COOL-AUTO Total Keypad Lockout Limited Temperature RangeProgramming Your Thermostat Your Home Period Time Temp Entering Your Program Heating/Cooling Schedule Plan Sample Press and hold either Set Current Time and DayUntil Enter Heating ProgramPrgm to resume program operation Enter Cooling Program Check Your Programming How can I permanently change a part of my program? Ming Your ThermostatProgramming Your Thermostat Why can’t I program the thermostat in the Auto mode? Erating Your ThermostatGramming Your Thermostat Thermostat immediately, press Display is flashing BATTERY. What does this mean? See Operating Your THERMO- Stat Why is the system turning on and off so frequently seldom?Programming 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