White Rodgers 1F87-251 - Manual (Page 7)

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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
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.
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 !
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.