10
1 Press the Mode button to cycle to the next available
System mode.
2 Cycle through the modes until the required System
mode is displayed and leave it to activate.
System modes:
• Heat: Controls the heating system.
• Cool: Controls the cooling system.
• Off: Turns the heating and cooling systems off.
• Auto: When enabled, the thermostat will
automatically use heating or cooling to reach the
desired temperature.
• Em Heat: Controls auxiliary or emergency heat; only
available on systems with a heat pump.
NOTES:
• Em Heat and Auto modes may not appear on the
thermostat screen, depending on your equipment
and how the thermostat was configured.
• Em Heat is only available if the thermostat is
configured to control a heat pump and an auxiliary/
emergency heat stage.
• When Auto mode is enabled and initiated, Auto
Chg. On will appear in the upper-right corner of the
thermostat home screen, and the active mode (Heat
or Cool) will be displayed. Auto mode is disabled by
default. To enable it, see "Installer setup – advanced
menu" on page 13.
System operation setting
Fan operation setting
1 Press the Fan button to cycle to the next
available Fan mode.
2 Cycle through the modes until the required
Fan mode is displayed and leave it to
activate.
NOTE: Available Fan modes vary with system
settings.
Fan modes:
• On: The fan will run continuously.
• Auto: The fan will run only when the heating
or cooling system is on.
• Circ: The fan will run at random intervals at
least 35% of the time to keep air circulating
throughout your home.
AM
Menu FanMode
Fan
Auto
Mode
Heat
AwayHomeSleep
Following Schedule
AM
Menu FanMode
Fan
Auto
Mode
Cool
AwayHomeSleep
Following Schedule
Auto Chg. On
AM
Menu FanMode
Fan
Auto
Mode
Wake AwayHomeSleep
Following Schedule
AM
Menu FanMode
Fan
Auto
Mode
Heat
AwayHomeSleep
Following Schedule
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