Use and Care Guide

RTH6350/RTH6450 Series

1 69-2415ES—03

About your new thermostat

Thermostat features ...................................2

Programming at a glance ..........................3

Quick reference to controls ....................... 4

Quick reference to display ........................5

Programming & Operation

Set time and day ........................................6

Select fan setting (auto/on) ...................... 7

Select system setting (heat/cool)..............8

Using program schedules .........................9

Program schedule overrides ...................13

Auto Changeover (RTH6450 only) ...........15

Built-in compressor protection ...............17

Smart Response

Technology .................18

Appendices

Battery installation ................................... 19

Customer assistance ............................... 20

In case of difficulty...................................21

Limited warranty ......................................23

This thermostat is ready to go!

Your new thermostat is pre-programmed

and ready to go.

See page 3 to check settings.

Table of contents