Honeywell RTH7400 User Manual

Thermostat features .................................... 2
Programming at a glance ............................ 3
Quick reference to controls ......................... 4
Quick reference to status display ................ 5

Clock setting................................................ 6
Fan setting .................................................. 7
System setting ............................................ 8
Using program schedules ........................... 9
Program schedule overrides ..................... 13
Auto Changeover ...................................... 15
Filter reminder ........................................... 17
Special features ........................................ 18

Battery replacement .................................. 19
Customer assistance ................................ 20
In case of difficulty .................................... 21
Limited warranty ........................................ 23

  

Your new thermostat is pre-programmed 

and ready to go. 

See page 3 to check settings.