System Setup; How To Change Settings - Honeywell RTH5100B Installation Manual

Installation Guide
System setup (set thermostat to match your system)
Next, you must set the thermostat to control the heating and cooling
system in your home. Press and hold the

system setup.

To begin, press and hold the
and FAN buttons until the display
changes.
Press
s
Press NEXT to advance to next function.
Press DONE to exit and save settings.
1
and FAN buttons to enter
s
Function
number
1
Done
or to change settings.
s t
Setting
0
Next