Quick Reference To Controls - Honeywell 69-1776EFS-01 Operating Manual

About your new thermostat

Quick reference to controls

Digital display screen
Fan Switch (see page 6)
On: Fan runs continuously.
Auto: Fan runs only when heating or
cooling system is on.
M29417
3
PRO TH3110D / TH3210D
Temperature adjustment
(see page 7)
System switch (see page 5)
• Cool: Cooling system control.
• Off: All systems off.
• Heat: Heating system control.
• Em Heat: Emergency & Auxiliary
Heat control. Compressor is locked
out. (Select models only.)
69-1776EFS—01