Aprilaire 8554 - Manual (Page 10)

Step 1: Press and release the MODE button until the word “HEAT” and
the “ ” heating symbol
appear on the display.
Step 2: Press and
release the PROGRAM button –
“Mo Tu We Th Fr”; Morning
event symbol “ ”; flashing
“12:” (or some other hour); and flashing “AM” or “PM” will appear on
the display. You are now setting the time you want your heating
equipment to come on in the morning.
Step 3: Press the DECREASE button or INCREASE
button to set the desired hour for the Morning “ ” event.
Step 4: Press and release the PROGRAM button – “:00”
(or some other minutes) will flash.
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Setting Or Changing The Weekday Program For Heating Mode
110-792B 7/12/01 8:28 AM Page 10