Honeywell RTH6400 User Manual
Page 11
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RTH6400 Programmable Thermostat
9
69-22ES—0
Save money by setting program schedules
It’s easy to program your system for maximum energy savings. You can program four 
time periods each day, with different settings for weekdays, Saturday and Sunday.
Set to the time you awaken and the temperature you want 
during the morning, until you leave for the day.
Set to the time you leave home and the temperature you 
want while you are away (usually an energy-saving level).
Set to the time you return home and the temperature you 
want during the evening, until bedtime.
Set to the time you go to bed and the temperature you want 
overnight (usually an energy-saving level).
WAKE
6:00 am
70
°
LEAVE
8:00 am
62
°
RETURN
6:00 pm
70
°
SLEEP
10:00 pm
62
°
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