Aprilaire 8553 owner manual Model

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110-790B 7/11/01 3:11 PM Page 1

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ELECTRONIC THERMOSTAT

Owner’s Manual

MODEL 8553

7 Day Programmable Thermostat

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Contents Model Cooling Temperature ControlEquipment Control Energy Star Program Information Cool = 78˚ Heat = 70˚Heat = 62˚ Cool = 85˚Change the flashing symbol to the current day Week Setting Or Changing The Clock110-790B 7/11/01 311 PM Progressive Recovery Setting Or Changing The Program110-790B 7/11/01 311 PM Heat = Cool = Program ScheduleSetting Or Changing Program Times Night Press and release the program button. The DaySetting Or Changing Heating Temperatures Night events Setting Or Changing Cooling TemperaturesRepeat steps 2 and 3 for the Day Evening , and Night events Press and release the Mode button until the wordTo Start Running The Program Reviewing Programmed Time Schedules Temperature SettingsThermostat Operation For Best PerformanceAprilaire Model Day Programmable Thermostat Return to the program Temperature ControlTime Control Equipment Control Time during sub-freezing temperatures Optional Settings For Additional Thermostat Features Automatically returns to the original program Installing contractor Following procedure must beFigure 1 carefully followed See Figure Place the cover On the base by lining up Turn the thermostat power back on Case Of Power Failure Cleaning Limited Warranty BOX 1467 MADISON, WI