
System Mode
This menu sets your system to use heat, cool, or
auto mode:
Cool
The system will turn on the air
conditioner when the current temperature
rises above the set temperature.
Heat
The system will turn on the heat when
the current temperature drops below the set
temperature.
Auto
The system is in Auto-changeover
mode and will activate the heating or cooling
systems to keep your home within the desired
range of set temperatures.
Auxiliary Heat Only
The system will only
use the auxiliary or back-up heat source to
maintain the heat set point temperature (only
appears if auxiliary heat is configured).
Off
The system is off and will only display the
current temperature.
Fan
This menu displays the current furnace fan
setting:
On
Forces the fan to run continuously,
regardless of the weekly schedule
programming. The fan will also run if the
system mode is Off.
Auto
Turns on the fan when the system is
heating or cooling your home, or to satisfy the
minimum fan “on” time.
When you switch between
Auto
and
ON
in fan
control, the EMS Si will prompt you with the
following:
To change system mode:
From the Home screen,
press
MENU
.
Select
System Mode
.
Select your temperature
mode:
Heat
,
Cool
,
Auto
or
Off
.
To change fan settings:
From the Home screen,
press
MENU
.
Select
Fan
.
Configure your fan settings
.
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