Table of contents
Getting started
Remove old thermostat ............................. 5
Identify and label wires .............................. 7
New thermostat installation
Wallplate mounting .................................. 10
Wire connections ..................................... 12
Battery installation ................................... 14
Thermostat mounting .............................. 16
RTH4300B Programmable Thermostat
System setup
Set system type ....................................... 18
Set heating cycle rate .............................. 19
Set temperature display .......................... 20
Appendices
Accessories .............................................. 23