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12
OPERATING FEATURES
Now that you are familiar with the thermostat
display and buttons, read the following informa-
tion to learn about the many features of the
thermostat.
• COMPUTED ENERGY MANAGEMENT
RECOVERY (EMR) - The thermostat’s mi-
crocomputer 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. First, you must move option switch
#4 (located on the back of the thermostat
body) to the ON position, if it has not already
been done. To do this, turn off 24 VAC
power to the thermostat. Then, remove the
thermostat body from the wall. Check the
position of switch #4 (the last switch on the
right). If it is ON (up), simply put the thermo-
stat back on the wall and restore 24 VAC
power. If the switch is OFF (down), use a