White Rodgers 7904 - Manual (Page 6)

temperatures for consecutive time periods. You can choose
start times, heating temperatures, and cooling temperatures
independently for both weekday and weekend programs (for
example, you may select 5:00 AM and 70
°
as the weekday 1st
period heating start time and temperature, and also choose
7:00 AM and 76
°
as the weekday 1st period cooling start time
and temperature). Use the table at the bottom of the page to plan
your program time periods, and the temperatures you want
during each period. You may also want to look at the sample
program table to get an idea of how the thermostat can be
programmed.
Entering Your Program
Follow these steps to enter the heating and cooling programs
you have selected.
The thermostat should be programmed in the 12-hour format,
then switched to the 24-hour format, if desired (see OPERAT-
ING FEATURES for more information).
Set Current Time and Day
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 SET TIME once. The display will show the day of the
week.
6. Press or until you reach the current day of the week.
7. Press RUN PRGM once. The display will show the correct
time and room temperature alternately.
Enter Heating Program
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. “MO TU WE TH FR” (indicating
weekday program) will appear in the display. Also displayed
are the currently programmed start time for the 1st heating
period and the currently programmed temperature (flash-
ing).
EXAMPLE:
AM
MO TU WE TH FR
This display window shows that for the 1st weekday 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. When your selected
time is displayed, press SET TIME again 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. Weekday heating programs are now complete.
9. Press VIEW PRGM once. “SA SU” (indicating weekend
program) will appear in the display, along with the start time
for the 1st heating period and the currently programmed
temperature.
10. Repeat steps 4 through 8 to complete weekend heating
programming.
11. When you have completed entering your heating program,
press RUN PRGM.
Enter Cooling Program
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 heating program,
using your selected cooling times and temperatures.
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 VIEW PRGM to view the 1st weekday heating period
time and temperature. Each time you press VIEW PRGM,
the next heating period time and temperature will be dis-
played in sequence for weekday, then weekend program
periods (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.
YOUR THERMOSTAT IS NOW COMPLETELY PRO-
GRAMMED AND READY TO AUTOMATICALLY PROVIDE
MAXIMUM COMFORT AND EFFICIENCY!
NOTE
CAUTION !