White Rodgers 1F90W-51 Thermostat User Manual


 
18
8a. What time does the last person go to bed at
night?
b. What temperature should the house be at
this time? These will be your NHT (night)
temperature settings.
Now look at the factory preprogrammed times
and temperatures shown below. If this program
will suit your needs, simply press
RUN
PRGM
to begin
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
choose start times, heating temperatures, and
cooling temperatures independently for both
Heating Program for ALL days of the Week:
Cooling Program for ALL Days of the Week:
PERIOD TIME TEMP PERIOD TIME
TEMP
MOR
DAY
EVE
NHT
5:00 AM
9:00 AM
4:00 PM
10:00 PM
70
70
70
64
MOR
DAY
EVE
NHT
5:00 AM
9:00 AM
4:00 PM
10:00 PM
78
82
78
78