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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 HEAT 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.
TO VIEW THE COOL USAGE TIMERS: Place the System Mode switch in the OFF
position, and the Set Slide switch in the FILT/ENRGY position. Press and hold the
NEXT button while sliding the System Mode switch from OFF to COOL. The words
“TODAY USAGE” will appear at the top of the screen, 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 of 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.
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HW RST