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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
microcomputer automatically calculates the
time it will take to change the temperature to
the next program setting. Then the thermo-
stat will activate the heating or cooling sys-
tem to change the temperature so that the
desired temperature is reached at the be-
ginning 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.
This feature is enabled by option switch #3.
To enable the EMR function, you must
move option switch #3 (located on the back
of the thermostat body) to the ON position.
To do this, press
SYSTEM
HEAT - OFF - COOL - AUTO
until OFF is dis-
played on the thermostat. Remove the ther-
mostat body from the wall, turn it over, and
check the position of option switch #3. If the
switch is ON (up), simply put the thermostat
back on the wall and press
SYSTEM
HEAT - OFF - COOL - AUTO
until the
desired operating mode is displayed. If the
switch is OFF (down), use a pencil or small
screwdriver to move the switch to the ON