Quick Reference To Controls - Honeywell PRO TH3110B Operating Manual

PRO TH3110B Digital Thermostat

Quick reference to controls

Digital display screen
Fan switch
On: Fan runs continuously
Auto: Fan runs only when
heating or cooling system is on
Temperature buttons
Press to adjust temperature
settings
System switch
• Cool: Thermostat controls only
the cooling system
• Heat: Thermostat controls only
the heating system
• Off: Heating and cooling
systems are off
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