Common Terms and Where to Find Them
53
Auto changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 50
This feature automatically switches your system from heating to
cooling – or from cooling to heating – whenever necessary when
in auto mode only (heat/cool).
Auxiliary heat (heat pump and Hybrid Heat systems only) . . .page 35
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
auxiliary
heat on
when you press the mode button. You have no control over
the auxiliary heat function.
Backlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 40
Backlighting illuminates your display. The backlight is on constantly at
a dim level that brightens when you push a button.
Daylight savings time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 48
The thermostat will automatically change the clock according to
daylight savings time procedures twice a year.
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