Do not use solvents or cleaners on or near the display or circuit board. 2. Unplug the dehumidifier before servicing. Sudden operation may cause personal injury or property damage. PRINCIPLE OF OPERATION Your Aprilaire® Whole-Home Dehumidifier installs as part of your home’s central heating and cooling system, removing excess moisture and reducing the damage that mold and mildew can have on the sustainability of your home and the health of your family. The Model 75 digital control constantly mon