User's Manual

System Mode

Press the System Mode button to display the System Mode selection screen.

System Mode Screen

Mode Operation

OFF Mode: System is off. No heating or cooling will come on. If system was on, it will turn off.

HEATING Mode: Only heating will occur.

COOLING Mode: Only cooling will occur.

AUTO Mode: Heating or cooling will come on according to the heating and cooling setpoints. The

system will automatically switch between heating and cooling modes as needed to maintain the

setpoints.

Special Heat Pump Mode

EHEAT Mode: An additional system mode, “EHEAT” for Emergency Heat will be displayed if the

HVAC system type is set to Heat Pump. If there is a compressor failure with the Heat Pump system,

setting the mode to EHEAT will allow the supplemental Aux heat to come on first whenever there is a

call for heating. It also disables the compressor output to prevent further damage to the HVAC

system.

Select system mode

with Up or Down

buttons.

SYSTEM MODE

OFF

HEATING

COOLING

AUTO

DONE

Down

Press DONE button to select mode and

exit back to main thermostat screen.

MODE

Press MODE button to go to the System Mode screen