White Rodgers 1F90W-71 manual Parts of the Thermostat, Back of The Thermostat Body

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these, then gently pivot the thermostat body down to connect the three pin connectors on the lower portion of the thermostat back. Gently push until the snap connectors engage. DO NOT FORCE OR PRY THE THERMOSTAT, as this may damage the unit.

PARTS OF THE THERMOSTAT

The Back of The Thermostat Body

Turn the thermostat body over. On the back are the 3 "AA" Energizer® alkaline batteries and the two option switch groups (A and B).

1.The "AA" Energizer® alkaline batteries pro- vide power to the thermostat when the 24vAC power is interrupted (for example, when you remove the thermostat from the wall for

programming). Fresh batteries will main- tain the stored program for approximately a year. If power loss is long enough for the program to be lost, the thermostat will auto- matically return to the factory programmed temperatures (64°F heating and 82°F cool- ing) when power is restored. You must reprogram the thermostat if this happens. If the word BATTERY is flashing in the display window, the batteries are low and should be replaced with fresh "AA" Ener- gizer® alkaline batteries.

!CAUTION

Before removing thermostat from the wall to replace the batteries, remove 24vAC power from the thermostat at the breaker/fuse box.

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Contents 1F90W-71 About Your New Thermostat Questions and Answers Your NEW Thermostats Programming Your Operating Your Thermostat Your NEW THERMOSTAT’S Features Operating Your Thermostat Parts of the Thermostat Back of The Thermostat BodyBack of Thermostat Body Display System Time SET Thermostat Buttons Used withButtons to 11 12 Operating Features EMR on TWO Hour Temperature Over Automatic ChangeoverAdvance Program KEY Press To change the thermostat to the nextConvertibility Press Time Use Adjust anticipation. PressAt the same time again 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 Until Set Current Time and DayPress and hold either 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? Programming Your THERMO- Stat Why is the system turning on and off so frequently seldom?See Operating 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