110-791B 7/12/01 8:58 AM Page 14

Step 1: Press and release the MODE button until the word

COOL” and the “” cooling symbol appear on display. Step 2: To set all program temperatures, press and release

the SET TEMP button. The Morning “ ” event symbol and flashing temperature will appear on the display.

Step 3: Press the DECREASE button or INCREASE button to set the desired morning event temperature.

Step 4: Repeat steps 2 and 3 for the Day ”,

Evening “ ”, and Night “ ” events.

NOTE: If thermostat is set for 2 events per day, only the

Day “ ” and Night ” events can be programmed.

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Aprilaire 8556 owner manual Press and release the Mode button until the word