White Rodgers 1F90-51 Operation Manual page 18

Now look at the factory preprogrammed times
and temperatures shown below. If this program
will suit your needs, simply press
running the factory preset program.
If you want to change the preprogrammed times
and temperatures, do the following.
Determine the time periods and heating and
cooling temperatures for your weekday pro-
gram. You must program 4 periods for each day
(MOR, DAY, EVE, and NHT). However, you
may use the same heating and cooling tempera-
tures for consecutive time periods. You can
Heating Program for ALL days of the Week:
18
RUN to begin
PRGM
FACTORY PREPROGRAMMING
PERIOD TIME TEMP
70
MOR 5:00 AM
70
DAY 9:00 AM
70
EVE 4:00 PM
64
NHT 10:00 PM
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
MOR heating start time and temperature, and
choose 7:00 AM and 76 as the weekday MOR
cooling start time and temperature).
Use the following table 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.
Cooling Program for ALL Days of the Week:
PERIOD TIME
MOR 5:00 AM
DAY 9:00 AM
EVE 4:00 PM
NHT 10:00 PM
TEMP
78
82
78
78