Aprilaire 8553 owner manual Temperature Control, Return to the program

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110-790B 7/11/01 3:11 PM Page 18

TEMPERATURE CONTROL

•Reading the Actual Room Temperature: The Model 8553 normally displays the room temperature, not the set-point temperature.

•Check the Set-Point Temperature: Press and release the DECREASE button or INCREASE button. The thermostat will display the programmed set-point temperature and a thermometer for

5 seconds before automatically returning to the actual room temperature display.

•Temporarily Override the Set Temperature: Press and hold the DECREASE button or

INCREASE button to change the room set-point temperature in 1 degree increments. The new set-point temperature will be held for 3 hours, then the thermostat will automatically

return to the program.

•Hold a New Temperature Set Point: Press and hold the DECREASE button or INCREASE button to change the room set-point temperature in 1 degree steps. The new set-point temperature

can be maintained indefinitely by pressing and releasing the HOLD button. The word “HOLD” will be displayed. The thermostat will maintain this new set-point temperature until the RESUME button is pressed returning the thermostat to the original program. This procedure is typically used during

extended vacant periods (vacations, business trips, etc.), to hold an economical set point until you return.

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Contents Model Temperature Control CoolingEquipment Control 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 Week110-790B 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 events Reviewing 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
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