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along with the word “COOL” and the amount of cooling system runtime
(displayed as “HH:MM”, for hours and minutes). Use the UP/DOWN buttons
to cycle between Today’s Usage, Yesterday’s Usage, and the Total Cumulative
Usage. NOTE: For the Total Cumulative Usage, the timer will record up to a
maximum of 99 hours and 59 minutes, then the display will change to
“HHHH” for hours only, without the colon in the center. Return the Set Slide
switch to the RUN position when you are finished.
TO RESET THE COOL ENERGY USAGE: While viewing the Total Usage value,
press and hold the HOLD button for at least 4 seconds. The usage should
now be displayed as “00:00”. Return the Set Slide switch to the RUN
position when you are finished.
HARDWARE RESET: The Hardware Reset button (labeled
“HW RST”) is a small round push button that is located
towards the right side if the circuit board, just below the
battery holder. Pressing this button will cause the LCD
display screen to become fully populated, the heating and
cooling load relays to cycle off, read the position of the
Hardware Setup Option switches, and will perform an internal system check
of the thermostat components. If your thermostat appears to be acting in an
erratic manner, pressing the Hardware Reset button may remedy this
behavior. The temperature programs are not erased when a hardware reset
is performed, however the clock will have to be changed to match the
current day and time.
SOFTWARE RESET: The Software Reset button (labeled
“SW RST”) is a small round push button that is located
towards the left side if the circuit board, just below the
battery holder. A Software Reset is used to erase all
heating and cooling temperature programs, and any user-
adjustable software values such as: Swing, Offset, and
Calibration, to their original factory default values. To perform a Software
Reset, press and hold the Software Reset button for at least 5 seconds. The
LCD display screen will become fully populated, than return to normal. The
thermostat will still retain the current day and time even after a Software
Reset has been performed.
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HW RST
SW RST