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12
OPERATING FEATURES
Now that you are familiar with the thermostat
display and buttons, read the following infor-
mation to learn about the many features of the
thermostat.
• COMPUTED ENERGY MANAGEMENT
RECOVERY (EMR) — The thermostat’s
microcomputer automatically calculates the
time it will take to change the temperature
to the next program setting. Then the ther-
mostat will activate the heating or cooling
system to change the temperature so that
the desired temperature is reached at the
beginning of the next program period. As an
example of this feature, assume that you
have programmed your thermostat to pro-
vide an overnight heating temperature of
62°F, and that during the next program
period, beginning at 6:00 AM, you have
programmed a temperature of 70°F. The
thermostat will automatically activate the
heating system at about 5:00 AM, so that
the programmed 70°F temperature is
reached by about 6:00 AM.
• AUTOMATIC CHANGEOVER — You can
set the thermostat to automatically switch
the system from heating to cooling as
needed. Use
SYSTEM
SWITCH
to set the thermo-
stat to AUTO (the setpoint display is
blank in the AUTO mode). The system
will now automatically switch between
heating and cooling depending on the
actual room temperature.
The thermostat will not allow the tempera-
ture separation between the highest heat
setting and the lowest cool setting to be less
that 1°F. For example, if the highest heat