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Table 1. System and Event Icons
Icon Function Screen Text Purpose
System Status Dehumidifying
The system can be used in cooling mode to help
remove excessive humidity as determined by the
user setting. Go to menu > settings > humidity >
and turn on dehumidify. Then adjust the acceptable
low and high humidity levels in the home with the
dehumidication set-point slider.
System Status Defrosting
The system is defrosting the outdoor unit coil (only
when required). Heat pump only.
System Status Emerg. Heat
All heat pumps operating in northern climates below
35°F (1.6°C) normally need a supplemental heating
source. Usually it is in the form of electric heating
provided by the indoor unit. Other sources could
be gas, oil, or hot-water back-up systems as well.
The supplemental heat is also referred to as “sec-
ond-stage” or “back-up” heating, with “rst-stage”
being the heat pump only. Emergency heat is when
you use your supplemental heat (2nd stage) by it-
self, without the use of your heat pump (1st stage
heat). Not available for non-heat pump systems.
System Status Aux. Heat
Is only available with heat pump system. If outdoor
temperature is above the high balance point, only
the heat pump will operate - default 50°F (10°C)
high. If outdoor temperature is below the low bal-
ance point, only auxiliary heating will operate - de-
fault 25°F (-4.0°C) low. If outdoor temperature is
in-between the high and low balance point, both the
heat pump and auxiliary heat sources can operate.
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