Installation Guide
2
Your new thermostat has been designed for fast, easy installation. Just follow the
simple, step-by-step instructions in the following pages.
Install in three simple steps
• Labelwiresandremoveyouroldthermostat(seepages5-7).
• Installandwireyournewthermostat(seepages8-14).
• Setyournewthermostattomatchyourheating/coolingsystem
(seepages15-18).
Installation tips
• Haveeverythingyouneedreadytogobeforeyoubegin(seepages3-4).
• Do not use wire color as a guide.Usewirelabelsinstead(seepage7).
Installation is easy — even if you’ve never done it before!
69-1891ES-1-RTH3100C-IG.CS5.indd 2 5/17/2011 11:21:05 AM