Aprilaire 8533 - Manual (Page 6)

and the Night setting “ “ (a moon icon appears on the display). The Day setting is intended to be an
occupied or comfort setting and the Night setting is intended to be an unoccupied or energy savings
setting. For example the four settings stored in the memory of the thermostat might be as shown in
Table 1. Pressing the DAY/NIGHT button allows you to instantly change to a more economical setting
when leaving the house or going to bed, and to a comfort setting
when returning home or waking up. This thermostat is equipped
with accessory inputs which can be used to automatically
switch between day and night set points; contact your installing
contractor for more details.
Fan Button
The system fan will operate automatically during a heating or cooling cycle. If it is desired to run the fan
continuously, press the FAN button, and a Fan “ “ icon will appear on the display.
Outdoor Button
This button will be made functional when the optional Aprilaire Model 8041 Remote Outdoor Sensor has
been installed. It can then be used to find out the outdoor temperature from indoors. If the Model 8041
Remote Outdoor Sensor has not been installed, two dashes “– –” will appear on the display when this
button is pushed.
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MODE DAY NIGHT
Heat 68˚F 60˚F
Cool 78˚F 85˚F
Table 1 – Typical Set Point Values
110-964B 7/12/01 9:14 AM Page 6