Aprilaire 8553 owner manual Setting Or Changing Cooling Temperatures, Night events

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110-790B 7/11/01 3:11 PM Page 13


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.

Setting Or Changing Cooling Temperatures

NOTE: Cooling temperatures must be set at least 2 degrees

higher than heating temperatures. (Example: If heating temperature is set at 70˚F, cooling temperature must be set to at least 72˚F or higher.) If not set at least 2 degrees higher, the thermostat will automatically lower the previously programmed heating temperature to maintain the 2 degree separation.

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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 Schedule Setting 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