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LCD DISPLAY BACKLIGHT: The display screen is lighted to assist viewing
at nighttime, or in locations with low light levels. A press of any button on
the front panel will light the display for approximately 10 seconds. Any
button presses that occur while the light is on will reset the 10-second
timer, causing the screen to remain illuminated for an additional 10
seconds.
TEMPERATURE OVERRIDE: While in Program RUN mode, the set
temperature can be temporarily changed by pressing UP or DOWN. The
set temperature will return to the programmed value stored in memory
when the start time of the next upcoming program period is reached
(Morn, Day, Eve, Nite). While a Temporary Override is in effect, the word
“OVERRIDE” will be shown in the display screen. An Override may be
cancelled moving the mode switch to OFF, then back to HEAT or COOL.
MINIMUM RUN TIME: The thermostat has a default internal time delay of
5 minutes between load-on and load-off activations to prevent heating or
cooling system damage, which can occur from very frequent cycling. If
heating or cooling does not turn on right away with a manual change in
set temperature, please wait at least 5 minutes and the system should
resume normal operation.
TEMPERATURE HOLD: A Temperature Hold is used for maintaining a fixed
set temperature. Once a Hold is initiated, the thermostat will maintain the
set temperature indefinitely. A Hold may be used for days, weeks, or even
months at a time, as long as the thermostat has adequate power. To enter
Hold mode: press the HOLD button one time and the word “HOLD” will
appear in the display. To cancel a Hold, press the HOLD button one more
time. If a complete power failure occurs during a Temperature Hold, the
thermostat will continue to remain in Hold mode even after the power
comes back on. NOTE: If you plan to leave the thermostat in Hold mode
for an extended duration (unattended), it is advisable to install new
Energizer
®
or DURACELL
®
"AA" size alkaline batteries prior to leaving to
ensure reliable operation of your heating and cooling system.
STATIC NOTICE: This thermostat is protected against normal static
electric discharges, however to minimize the risk of damaging the unit in
extremely dry weather, please touch a grounded metal object before
touching your thermostat.
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