White Rodgers 1F90-71 manual EMR on

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switch to the OFF position (see figure be- low). Leave the battery out of the thermostat for at least two minutes, to allow the ther- mostat to reset itself. See AUTOMATIC CHANGEOVER to determine proper posi- tions of Group B option switches #1 and #2.

EMR (ON)

ON

Group B

Option

Switches

1 2 3

Switch #1 (see AUTOMATIC CHANGEOVER) Switch #2 (see AUTOMATIC CHANGEOVER)

Switch #3 OFF

•AUTOMATIC CHANGEOVER — If you have a heating/cooling system, you can set the thermostat to automatically switch the sys- tem from heating to cooling as needed. (If you have a heating only system, Group B

option switch #1 should be OFF and option switch #2 should be ON.) To enable auto- matic changeover, you must move Group B option switch #1 to the ON position and switch #2 to the OFF position. Turn off 24 VAC power to the thermostat. Then remove the thermostat body from the wall. Check the position of Group B option switches #1 and #2 (the first two switches on the left). If they are in the correct positions, simply put the thermostat back on the wall and restore 24 VAC power. If the switches are not cor- rectly positioned, remove the battery, then use a pencil or small screwdriver to move the switches to the correct positions (see figure on next page). Leave the battery out of the thermostat for at least two minutes, to allow the thermostat to reset itself. Re- place the battery, reprogram the thermo-

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Contents 1F90-71 About Your New Thermostat Your NEW THERMOSTAT’S Programming Your Questions and AnswersOperating Your Thermostat Your NEW THERMOSTAT’S Features Operating Your Thermostat Use Back of The Thermostat BodyTo turn the thermostat OFF Back of Thermostat Body Display System Thermostat Buttons Ing, cooling, or fan are in operation Operating Features EMR on Automatic Changeover TWO Hour Temperature OverConvertibility Press Timefwd Advance Program KEY PressLong cycles, you may want to adjust the anticipation setting Switch Limited Temperature Range Limited Temperature RangeTotal Keypad Lockout Programming Your Thermostat Your Home Factory Preprogramming To Turn Thermostat OFF USEBefore Reattaching Thermostat to Subbase Set Current Time and DayHeating/Cooling Schedule Plan Sample Gramming after this happens, press Prgmview until Enter Heating ProgramPress Operation. USE Enter Cooling ProgramTo Turn Ther Mostat OFF Before Reattaching the Thermostat to the SubbaseSystem. Then press Check Your ProgrammingProgramming Your Thermostat How can I permanently change a part of my program?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? Ating Your Thermostat Why is the system turning on and off so frequently seldom?Simply press Ming Your Thermostat Part No -5098B

1F90-71 specifications

The White Rodgers 1F90-71 is a versatile and efficient programmable thermostat designed to enhance home comfort and energy savings. Known for its user-friendly interface and advanced features, this thermostat is an excellent choice for homeowners looking to optimize their heating and cooling systems.

One of the standout features of the 1F90-71 is its 7-day programmable scheduling capability. This allows users to set different temperatures for each day of the week, accommodating individual schedules and preferences. With this functionality, homeowners can ensure their HVAC systems operate efficiently, reducing energy consumption when occupants are not at home while still providing comfort during peak hours.

The thermostat boasts a large, easy-to-read display, which provides clear visual feedback on current temperatures and settings. The intuitive interface simplifies programming and adjustments, making it accessible even for those who may not be tech-savvy. Additionally, the color touchscreen enhances the aesthetic appeal, adding a modern touch to any home.

Another noteworthy characteristic of the White Rodgers 1F90-71 is its compatibility with a variety of heating and cooling systems. It supports single-stage and multi-stage heating and cooling, as well as heat pumps with auxiliary heat, making it a flexible solution for different home configurations. This compatibility ensures that the thermostat can effectively control the temperature in both conventional and more advanced systems.

The 1F90-71 also integrates advanced features, such as Smart Recovery technology. This allows the thermostat to learn how long it takes to reach the desired temperature and begin adjusting the system proactively. This feature enhances comfort while minimizing energy usage, which results in lower utility bills.

Moreover, the thermostat offers a filter change reminder, helping homeowners maintain their HVAC systems in optimal condition. Regular filter changes ensure better air quality and system efficiency, thus prolonging the life of the equipment.

In summary, the White Rodgers 1F90-71 is a powerful programmable thermostat that combines convenience, compatibility, and efficiency. Its advanced scheduling, intuitive interface, and smart technologies make it a reliable choice for modern homes, ultimately helping homeowners achieve enhanced comfort while reducing their energy footprint.
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