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the Day setting ” “ (a sun icon appears on the display) 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.
– 4 –
MODE DAY NIGHT
Heat 68˚F 60˚F
Cool 78˚F 85˚F
Table 1 – Typical Set Point Values
110-965B 7/12/01 9:12 AM Page 6