Aprilaire 8556 owner manual Equipment Control

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110-791B 7/12/01 8:58 AM 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. Your thermostat will automatically

turn on and off any additional stages of cooling as required.

•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

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Contents Model Equipment Control Temperature ControlCooling Energy Star Program Information Heat = 70˚ Cool = 78˚Heat = 62˚ Cool = 85˚Setting Or Changing The Clock Change the flashing symbol to the current day Week110-791B 7/12/01 857 AM Setting Or Changing The Program Progressive Recovery110-791B 7/12/01 857 AM Program Schedule Heat = Cool =Setting Or Changing Program Times Press and release the program button. The Day NightSetting Or Changing Heating Temperatures Setting Or Changing Cooling Temperatures Press and release the Mode button until the word Reviewing Programmed Time Schedules Temperature Settings To Start Running The ProgramFor Best Performance Thermostat Operation110-791B 7/12/01 858 AM Temperature Control Return to the programTime Control Equipment Control 110-791B 7/12/01 858 AM Optional Settings For Additional Thermostat Features 110-791B 7/12/01 858 AM 110-791B 7/12/01 858 AM Following procedure must beFigure 1 carefully followed See Figure Thermostat PlaceTurn the thermostat power back on Using The Available LED Indicators Case Of Power FailureCleaning Limited Warranty BOX 1467 MADISON, WI
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