Troubleshooting, Check Your Programming

5.Press PRGM once. The currently programmed start time and setpoint temperature for the Monday's 2nd heating program period will appear.

6.Repeat steps 3 and 4 to select the start time and heating temperature for Monday's 2nd heating program period.

7.Repeat steps 3 through 5 for the 3rd and 4th heating program periods. Monday heating programs are now complete.

NOTE

If you are programming your thermostat for the first time and you want programming for all days of the week to be the same as Monday's program, press RUN or HOLD at this point, and proceed to Enter Cooling Program. (This simplified COPY DAY feature only works the first time you program your thermo- stat. If you want to copy one day's programming to a specific day programming, refer to COPY DAY FUNCTION in OPERATING FEATURES. If you are changing your thermostat's program- ming, you must program each day separately.)

8.Press HOLD once. “TU” (indicating Tuesday program) will appear in the display, along with the start time for the 1st heating period and the currently programmed temperature.

9.Repeat steps 3 through 7 to complete Tuesday's heating programming.

10.Continue entering each day's programming until all heating periods time and temperatures have been entered.

11.When you have completed entering your heating program, press RUN.

Enter Cooling Program

CHECK YOUR PROGRAMMING

Follow these steps to check your thermostat programming one final time before beginning thermostat operation.

1.Move SYSTEM switch to HEAT position.

2.Press PRGM to view the 1st Monday heating period time and temperature. Each time you press PRGM, the next heating period time and temperature will be displayed in sequence for Monday. Press HOLD to display Tuesday's 1st heating period, and press PRGM to view each of the remaining Tuesday's heating period time and temperatures. To view ech day's heating program, press HOLD to change day and them press PRGM to look at wach programming period for the day. (You may change any time or temperature during this procedure.)

3.Press RUN.

4.Move SYSTEM switch to COOL position.

5.Repeat step 2 to check cooling program.

6.Move SYSTEM switch to HEAT or COOL and press RUN to begin program operation.

YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!

!CAUTION

If the outside temperature is below 50°F, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage.

1.Move SYSTEM switch to COOL position.

2.Follow the procedure for entering your cooling program, using your selected cooling times and temperatures.

TROUBLESHOOTING

Reset Operation

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermo-

stat by pressing , and TIME at the same time. This also resets the factory defaults to the configuration menu and program. If the thermostat has power, has been reset and still does not function correctly contact your heating/cooling ser- vice person or place of purchase.

Batteries

For optimum performance, we recommend replacing batteries once a year with fresh "AA" Energizer® alkaline batteries.

1F87-251 specifications

The White Rodgers 1F87-251 is an advanced digital thermostat designed to provide homeowners with efficient climate control and energy savings. This versatile thermostat combines user-friendly features with cutting-edge technology to meet the demands of modern heating and cooling systems.

One of the main features of the 1F87-251 is its programmable functionality, allowing users to set customized heating and cooling schedules. This program capability enables users to adjust temperatures according to their daily routines, enhancing comfort while minimizing energy consumption. With up to four program periods per day, homeowners can easily create a schedule that reflects their lifestyle, ensuring the system operates efficiently when needed.

The thermostat boasts a user-friendly backlit display that shows the current temperature, set temperature, and system status at a glance. The intuitive interface makes programming and adjustments simple, even for those who may not be technologically savvy. Additionally, the large buttons and clear display improve accessibility, making it suitable for users of all ages.

Importantly, the White Rodgers 1F87-251 incorporates Smart Recovery technology, which allows the thermostat to calculate the optimal time to begin heating or cooling a space to reach the desired temperature by a specified time. This feature not only enhances comfort but also contributes to energy efficiency.

The 1F87-251 is compatible with a wide range of heating and cooling systems, including gas, oil, and electric systems, as well as heat pumps. This compatibility ensures that it can be seamlessly integrated into most residential HVAC setups. Moreover, the thermostat includes a staging feature, allowing for multi-stage heating or cooling, which helps provide a more consistent temperature control.

Another important aspect of the White Rodgers 1F87-251 is its energy-saving mode. By employing energy-saving features, such as setting higher temperatures during the summer and lower during the winter when the home is unoccupied, homeowners can significantly reduce their energy bills.

The thermostat's battery backup ensures that settings are retained even in the event of a power outage, providing peace of mind. Overall, the White Rodgers 1F87-251 is a highly functional and efficient thermostat that combines modern technology with ease of use, making it an excellent choice for those looking to enhance their home comfort while reducing energy usage.