Aprilaire 8556 owner manual Press and release the Mode button until the word

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110-791B 7/12/01 8:58 AM Page 14

Step 1: Press and release the MODE button until the word

“COOL” and the “” cooling symbol appear on 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.

Step 4: Repeat steps 2 and 3 for the Day “”,

Evening “ ”, and Night “ ” events.

NOTE: If thermostat is set for 2 events per day, only the

Day “ ” and Night “ ” events can be programmed.

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Contents Model Equipment Control Temperature ControlCooling Energy Star Program Information Heat = 62˚ Heat = 70˚Cool = 78˚ 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