Aprilaire 8553 owner manual Turn the thermostat power back on

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110-790B 7/11/01 3:11 PM Page 28

Figure 4

b) Align the hinge tabs on the base and thermostat panel. Swing the panel to the base and snap in place at bottom of thermostat panel (see Figure 4).

c) Turn the thermostat power back on.

CAUTION: TO PREVENT

DAMAGE, AVOID CONTACT WITH BLUE

TEMPERATURE SENSOR ON BOTTOM

RIGHT-HAND CORNER OF THERMOSTAT

CIRCUIT BOARD.

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Contents Model Cooling Temperature ControlEquipment Control 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 Week110-790B 7/11/01 311 PM Setting Or Changing The Program Progressive Recovery110-790B 7/11/01 311 PM 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 Night eventsPress and release the Mode button until the word Repeat steps 2 and 3 for the Day Evening , and Night eventsReviewing Programmed Time Schedules Temperature Settings To Start Running The ProgramFor Best Performance Thermostat OperationAprilaire Model Day Programmable Thermostat Temperature Control Return to the programTime 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