System Setup - Honeywell RTH4300B Guide D'installation

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 t
RTH4300B Programmable Thermostat
Function
number
1
Press to change settings.
t
Press to advance to next function.
s
Press and hold

Setting
Setup
0
to exit and save settings.
ts