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Table 1. Home Screen and System Status Icons
Icon Screen Text Purpose
Defrosting
The system is defrosting the outdoor unit coil (only
when required).
Emergency 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 “second-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 itself, without the use
of your heat pump (1st stage heat). Not available for
non-heat pump systems.
Auxiliary 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 balance point,
only auxiliary heating will operate - default 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.
Will start soon
A ve minute safety delay prevents the compressor
from operating too soon after shut-down to allow
internal pressures to equalize.
Ambient lockout
This indicates that either the outdoor temperature is
above or below the balance point temperature settings.
The low balance point setting prevents heat pump
heating below the set point and back up heat will be
used. Typically the default is 25°F (-4.0°C), but that
setting can be adjusted by your dealer. At 25°F (-4.0°C)
or below for example, only auxiliary heating (electric or
gas) is used. If the high balance point is set to 50°F (
10°C ) for example, which is also adjustable by your
dealer, then auxiliary heat will not be allowed. Only
heat pump heating will be used. Anytime the outdoor
temperature is below or above the balance point
temperature settings, the ambient lockout notice will
appear on the home screen.
ventilating
Ventilating Indicates the system is actively ventilating.
Fan is running
Fan set to ON. Fan is NOT following the schedule and
runs continuously until it is changed from the selected
mode.
Fan is running
Fan set to Auto. Fan will follow the fan setting in the
selected schedule.
Table 1. Home Screen and System Status Icons
Icon Screen Text Purpose
Fan is running
Fan set to circulate. Fan is following schedule and
cycles during periods of equipment inactivity. Circulate
run time is dependent on user settings.
Allergen Defender
is working
When Internet weather is enabled and pollen count is
high in the home’s location, the fan will run between
heating or cooling systems to help clean the air.
System Under
Test
Typically occurs when the system has had a power
interruption. The thermostat starts to look for the indoor
and outdoor controls. Sometimes the outdoor control
takes longer to boot up and therefore does not respond
to inquiry by the thermostat. Recycle power to system
may resolve issue.
Load shedding, wait time 45 min
Changing set
point range
Temperature is being adjusted.
Turning feels
like on
Indicating the system is transitioning to “feels like”
mode.
System Status - Right Side of Screen
Coasting to
Perfect Temp
Coasting allows the current temperature to reach the
desired single set-point without the system doing any
work. The red arrow indicates the temperature is less
than the desired set point. The blue arrow indicates is
greater than the desired set point.
Coasting to
Perfect Temp
ventilating until
10:20 am
cancel
Ventilating unit
(specic Time)
This indicates the system is actively ventilating and the
precise time the cycle will end. Selecting cancel will
terminate the current ventilation session.
Energy Savings
until 5:00 pm
The utility company will automatically set the energy
savings time period. You can select cancel to exit this
mode.
By canceling you will be opting the system out of the
current active energy savings events. A pop-up screen
will ask you to verify this is what you wish to do.
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