System Setup; How To Change Settings - Honeywell RTH3100C Installation Manual

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
To begin, press and hold the
buttons until the display changes.
and buttons to enter system setup.
s t
Function
number
and
s
t
1
Setting
Setup
6
t
Press to change settings.
s
Press to advance to next function.
ts
Press and hold
RTH3100C
5
to exit and save settings.