Honeywell RTH7400 Series Owner's Manual page 3

Table of contents
Installation
Installation ............................................3
Advanced Installation .........................10
About your new thermostat
Controls and Home screen
quick reference ...................................13
Preset energy-saving schedules ........14
1 Turn Off Power to Heating/Cooling System
Circuit breaker
box
Programming and operation
Setting the clock .................................14
Adjusting program schedules .............15
Overriding schedules temporarily ......16
Overriding schedules permanently ....16
Auto Changeover ...............................17
Change filter .......................................17
Replace batteries ...............................18
Appendices
Troubleshooting ..................................19
Limited warranty .................................20
or
Heating/cooling system
M31535
power switch
3