110-790B 7/11/01 3:11 PM Page 20

EQUIPMENT CONTROL

Turning on the Fan: At any time the system fan can run continuously by pressing the FAN button.

Note that a Fan icon, “ “, appears in the lower part of the display indicating that the fan is continuously operating. To return the fan to the normal operating mode, press the FAN button again

which will remove the icon from the display. In the normal operating mode the fan will only run when the furnace/air conditioner is operating. Continuous fan operation is beneficial if your system is equipped with a high efficiency air cleaner or a humidifier, or to circulate air in the home.

Selecting Cooling Mode: Press the MODE button until the word "COOL" appears on the display.

In this mode the air conditioner will maintain temperature according to the programming previously

completed unless an override temperature has been entered. Note that a Snowflake icon, “ “, is on the display, which flashes when the air conditioner is running.

Selecting Heating Mode: Press the MODE button until the word "HEAT" appears on the display. In this mode the furnace will maintain temperature according to the programming previously

completed unless an override temperature has been entered. Note that a Flame icon, “ ,“ is on the display, which flickers when the furnace is running.

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Aprilaire 8553 owner manual Equipment Control

8553 specifications

The Aprilaire 8553 is an advanced and efficient air filter designed for residential use, specifically tailored to enhance indoor air quality. Known for its high-performance filtration capabilities, the Aprilaire 8553 filters out a wide range of airborne pollutants, including dust, pollen, pet dander, mold spores, and other allergies-triggering particles. This model is compatible with various Aprilaire air purifiers, making it an adaptable choice for different home environments.

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