White Rodgers 1F90-51 Thermostat User Manual


 
21
ENTERING YOUR PROGRAM
Follow these steps to enter the heating and
cooling programs you have selected.
We recommend that you remove the thermostat
from the wall for programming (especially for
entering cooling programming). Fresh “AA” En-
ergizer
®
alkaline batteries must be installed to
perform off-wall programming. BE SURE TO
USE
SYSTEM
SWITCH
TO TURN THERMOSTAT OFF
BEFORE REATTACHING THERMOSTAT TO
SUBBASE!
NOTE
Set Current Time and Day
1. Press
SET
CLOCK
once. The display will show min-
utes only.
EXAMPLE:
2. Press and hold either
TIME
FWD
or
TIME
BACK
until you
reach the correct minutes.
3. Press
SET
CLOCK
once. The display window will
show the hour only.
EXAMPLE:
4. Press and hold either
TIME
FWD
or
TIME
BACK
until you
reach the correct hour and AM/PM designa-
tion (AM begins at midnight; PM begins at
noon).