RTH4300B Programmable Thermostat
About your new thermostat
System setup (set thermostat to match your system)
Next, you must set the thermostat to match the heating/cooling system in your home.
Press and hold the
s
and
t
buttons to enter system setup.
Function
number
Setting
To begin, press and hold the
s
and
t
buttons until the display changes.
Press
t
to change settings.
Press
s
to advance to next function.
Press and hold
ts
to exit and save settings.
Setup
1
0