White Rodgers 1F90W-51 - Manual (Page 22)

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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
designation (AM begins at midnight; PM
begins at noon).
5. Press SET
DAY
once. The display will show the
day of the week as an abbreviation (MO for
Monday, TU for Tuesday, etc.).
6. Press and hold either TIME
FWD
or TIME
BACK
until
you reach the current day of the week.
7. Press RUN
PRGM
once. The display will show the
correct time and room temperature alter-
nately.
Enter Heating Program
During programming, if you don’t press any
buttons for 5 minutes, the thermostat will enter
the HOLD mode and will maintain a constant
temperature. The display will revert to the
alternating time/temperature display. To re-
sume programming after this happens, press
VIEW
PRGM
until you are at the point where you stopped
programming. Then you may continue to enter
your programs normally. If you want to stop
programming at any time, simply press RUN
PRGM
to
resume program operation.