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18
5.6 Operating features
Now that you are familiar with the thermostat buttons and display, read the following information to learn about the
many features of the thermostat.
• SIMULTANEOUS HEATING/COOLING SETPOINT STORAGE — You can enter both your heating and cooling
setpoints at the same time. There is no need to re-enter the thermostat at the beginning of each season.
• TEMPERATURE SETTING — Press or until the display shows the temperature you want.
The thermostat will keep the room temperature at the selected temperature.
• °F/°C CONVERTIBILITY — The factory default setting is Fahrenheit. Clipping W904 jumper on the circuit board
will alter this feature to Celsius temperature setting. See diagram on page 11.
• LOW BATTERY INDICATOR — If the 2 “AAA” alkaline batteries are low and should be replaced, the display will
be blank except for . When the batteries are low, pressing any button will cause the display
to operate for ten seconds. After ten seconds, the display will be blank except for . After
has been displayed for 4 weeks, the thermostat will raise the temperature 10° above your
setpoint in COOL mode and drop the temperature 10° below your setpoint in HEAT mode. You cannot program
with low batteries, but you can override setpoint temperature.
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