User's Manual

Thermostat Operation Buttons
Menu – go to the Main Menu Screen to select other thermostat settings screens
System Mode – go to the System Mode screen to set thermostat operating mode
Fan Mode – go to the Fan mode screen to set the fan mode
Schedule Mode – go to the Schedule mode screen to set schedule mode or setback
Setpoint Up/Down Buttons
Press either the Up or Down buttons to go to the Heating or Cooling Setpoint screen.
Clock Display
The current time is displayed in the upper left corner of the main screen. Set the clock from the User
Settings Menu. The time will blink when the clock has not been set.
LED Displays
The Thermostat Control Screen has the following LEDs and on-screen labels.
LED L1 Green: System Operation mode.
o “SYS OFF” displayed > HVAC system is OFF. LED Off.
o “SYS MOT” displayed > Minimum Off Time (MOT) delay On is active. LED Off.
o “HEAT ON” displayed > HVAC system is heating. LED On.
o “COOL ON” displayed > HVAC system is cooling. LED On.
o “HEAT MRT” displayed > HVAC system is Heating and Minimum Run Time (MRT) delay off is
active. LED On.
o “COOL MRT” displayed > HVAC system is Cooling and Minimum Run Time (MRT) delay off is
active. LED On.
LED L2 Green: System Stage mode
o no display > 1
st
stage heating or cooling. LED OFF.
o “2
nd
Stg” displayed > Stage 2 heating or cooling is active. LED On.
o “Aux Heat” displayed > Stage 3 heating is active. LED On.
LED L3 Green: Schedule mode. Shows state of Schedule Run/Hold Mode.
o “Run” displayed > Setback schedule is running. LED Off.
o “Hold” displayed > Schedule is off, temperature setpoint hold in effect. LED On.
o “Away” displayed > Away setback mode is active. LED On.
LED L4 RED: Alert LED. Used for system alerts
o No display > No alerts. LED Off.
o Alert Text displayed > Specific alert text (Filter, Maint). LED On.