System Setup; How To Change Settings - Honeywell RTH4300B1000 Installation Manual

System setup (set thermostat to match your system) About your new thermostat
Next, you must set the thermostat to match the heating/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
and
s
RTH4300B Programmable Thermostat
Function
number
Press
t
t
Press
s
Press and hold

Setup
1
to change settings.
to advance to next function.
to exit and save settings.
ts
Setting
0