Honeywell RTH6400 - Manual (Page 3)

RTH6400 Programmable Thermostat
69-22ES—0
About your new thermostat
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 ................... 12
Auto Changeover ..................................... 14
Built-in compressor protection ............... 16
Smart Response
® Technology ................. 17
Appendices
Battery installation ................................... 18
Customer assistance ............................... 19
In case of difficulty................................... 20
Limited warranty ...................................... 22
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