Carrier Comfort Non-Programmable, Owner'S Manual

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22
Common Terms and Where to Find
Auto changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 14
This feature automatically switches your system from heating to
cooling – or from cooling to heating – whenever necessary.
Auxiliary heat (heat pump systems only) . . . . . . . . . . . . . . . .page 10
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 17
Backlighting illuminates your display when you push a button.
Emergency heat (heat pump systems only) . . . . . . . . . . . . .page 10
You can manually set the thermostat to use emergency heat but it is
the most expensive option. If it’s using emergency heat, the display
will show
Em heat.