Aprilaire 8551 - Manual (Page 9)

Step 11: Repeat steps 2-6 to complete programming for the Evening “ ” event.
Step 12: Press and release the PROGRAM button – the Night “ ” event symbol will appear.
You are now setting the time and cooling temperature you want at night.
Step 13: Repeat steps 2-6 to complete programming for the Night “ ” event.
Setting Or Changing The Weekend Program
Step 1: After setting the Night “ ” event Weekday program, press and release the PROGRAM button.
“Sa Su”; the Morning “ ” event symbol; flashing
“12:” (or some other hour); and flashing “AM” or “PM” will
appear on the display. You are now programming the time
and temperatures for the weekend.
Step 2: Repeat steps 2-6 identical to Weekday
programming for Morning “ ”, Day “ ”,
Evening “ ”, and Night “ ” events for
cooling mode as applicable.
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