Aprilaire 8553 Thermostat User Manual


 
– 10 –
Setting Or Changing
Heating Temperatures
Step 1: Press and release the MODE button until the
word “Heat” and the Morning “ ” event symbol
appear on the 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.
110-790B 7/11/01 3:11 PM Page 12