Honeywell UtilityPRO Series

Operating Manual
69-2539EFS—01 12
System Settings
SUN
MCR32578
USAGE
AM
Press the SYSTEM button to select one of the
following, then press DONE.
• Heat: Thermostat controls only the
heating system.
• Cool: Thermostat controls only the
cooling system.
• Off: Heating and cooling systems are
OFF.
• Auto: Thermostat automatically
selects heating or cooling depending
on the indoor temperature.
• Em Heat (only for heat pumps with
auxiliaryheat):Thermostatcontrols
EmergencyandAuxiliaryHeat.
Press SYSTEM