White Rodgers 1F80-24 Installation Instruction

Follow these steps to enter the heating and cooling programs
you have selected.

1. Press SET TIME button once. The display will show the hour

only.

EXAMPLE: 

PM

2. Press and hold either 

 or 

 until you reach the correct

hour and AM/PM designation (AM begins at midnight; PM
begins at noon).

3. Press SET TIME once. The display window will show the

minutes only.

EXAMPLE: 

4. Press and hold either 

 or 

 until you reach the correct

minutes.

5. Press  RUN PRGM once. The display will show the correct

time and room temperature alternately.

1. If you want to change the display from Fahrenheit to Celsius

(or vice-versa), press SET TIME and HOLD TEMP at the
same time.

2. Move the SYSTEM switch to HEAT.

3. Press VIEW PRGM once. The currently programmed start

time for the 1st heating period and the currently pro-
grammed temperature will be displayed (flashing).

EXAMPLE: 

AM

MO TU WE TH FR

This display window shows that for the 1st heating period,
the start time is 6:00 AM, and 68

°

 is the programmed

temperature (this example reflects factory preprogramming).

4. Press 

 or 

 to change the displayed temperature to your

selected temperature for the 1st heating program period.

5. Press SET TIME once (the programmed time will flash).

Press 

 or 

 until your selected time appears. The time

will change in 15 minute increments. Press SET TIME a
second time to return to the change temperature mode.

6. Press VIEW PRGM once. The currently programmed start

time and setpoint temperature for the 2nd heating program
period will appear.

7. Repeat steps 4 and 5 to select the start time and heating

temperature for the 2nd heating program period.

8. Repeat steps 4 through 6 for the 3rd and 4th heating program

periods. The heating programs are now complete.

9. When you have completed entering your heating program,

press RUN PRGM.

°

1. Move SYSTEM switch to COOL position.

2. Follow the procedure for entering your heating program,

using your selected cooling times and temperatures.

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

1. Move SYSTEM switch to HEAT position.

2. Press VIEW PRGM to view the 1st heating period time and

temperature. Each time you press VIEW PRGM, the next
heating period time and temperature will be displayed in
sequence (you may change any time or temperature during
this procedure).

3. Press RUN PRGM.

4. Move SYSTEM switch to COOL position.

5. Repeat step 2 to check cooling temperatures.

6. Press RUN PRGM to begin program operation.