Aprilaire 8556 owner manual Time Control

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110-791B 7/12/01 8:58 AM Page 19

•Returning to Programmed Operation: At any time, press the RESUME button to return the thermostat to operate as programmed.

•Change Between °C and °F : The thermostat has the capability of displaying either Celsius or Fahrenheit temperatures. If the displayed temperature seems abnormally high or low

(ie: 70˚F = 21˚C) you may need to switch to ˚C or ˚F by simultaneously pressing the

DECREASE button and the INCREASE button.

•Checking the Outdoor Temperature: If your thermostat was installed with the optional Aprilaire Outdoor Temperature Sensor, simply press the OUTDOOR button and the thermostat will display the outdoor temperature for 5 seconds before automatically returning to the actual room temperature display.

TIME CONTROL

•Change From 12- to 24-Hour Clock: Press and release the CLOCK button, then press the MODE button. To return to a standard clock, repeat the process.

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Contents Model Cooling Temperature ControlEquipment Control Energy Star Program Information Cool = 85˚ Heat = 70˚Cool = 78˚ Heat = 62˚Change the flashing symbol to the current day Week Setting Or Changing The Clock110-791B 7/12/01 857 AM Progressive Recovery Setting Or Changing The Program110-791B 7/12/01 857 AM Heat = Cool = Program ScheduleSetting Or Changing Program Times Night Press and release the program button. The DaySetting Or Changing Heating Temperatures Setting Or Changing Cooling Temperatures Press and release the Mode button until the word To Start Running The Program Reviewing Programmed Time Schedules Temperature SettingsThermostat Operation For Best Performance110-791B 7/12/01 858 AM Return to the program Temperature ControlTime 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 Place ThermostatTurn the thermostat power back on Case Of Power Failure Using The Available LED IndicatorsCleaning Limited Warranty BOX 1467 MADISON, WI