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COMMON TERMS AND WHERE TO FIND THEM
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.
Mode page 14....................................................
This term refers to the type of operation your system is performing. The options are
heat, cool, emergency heat, auto, and off.
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