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COMMON TERMS AND WHERE TO FIND THEM
Auto changeover page 46..........................................
This feature automatically switches your system from heating to cooling – and from
cooling to heating – whenever necessary when the thermostat is set in auto mode.
Auxiliary heat (heat pump systems only) page 33....................
Most heat pump systems can’t heat a home sufficiently when it gets very cold
outside so they use a supplemental heating source called auxiliary heat. The system
knows when to use this help and does so automatically. If it’s using auxiliary heat,
the display will show aux heat on. You have no control over the auxiliary heat
function.
Backlighting page 39..............................................
backlighting illuminates your display. When the thermostat is powered by
electricity, the backlight is on constantly at a dim level that brightens when you
push a button. With battery powered thermostats, the backlight is off until you press
a button.
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