Aprilaire 8533 Thermostat User Manual


 
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2. Select the temperature setting to be used by pressing the DAY/NIGHT button until the
desired previously stored temperature setting (Day or Night) appears on the display. Use the
DECREASE button and INCREASE button to change the temperature if desired (NOTE
that if changed, the new set point will be permanently stored in memory - see CHANGING THE
CURRENT TEMPERATURE SETTING).
3. After approximately 5 seconds the thermostat will return to the normal display.
Note: This thermostat utilizes time delays to protect the heating and cooling equipment. If the
equipment does not shut off or turn on immediately when the temperature setting has been
changed, it may be due to the built-in time delays (4 minutes max.).
4. Press the Fan button, if it is desired, to run the fan continuously. A Fan “ “ icon will appear
on the display when the fan is set to operate continuously.
110-964B 7/12/01 9:14 AM Page 10