Honeywell T8665C Thermostat User Manual


 
69-1538 14
Daylight Saving Time
NOTE: If current time is Daylight Saving Time,
press Daylight Time key to display
“DST.”
Press Daylight Time key to set Daylight Saving Time.
Pressing Daylight Tiime key more than once in
a five-minute period scrolls
you through various time
options (example: one-hour
earlier or later with or
without DST). Pressing
Daylight Time six times in a
five-minute period returns
you to your original setting.
Setting System and Fan Keys
Use the System and Fan keys to change the
system and fan settings. The fan settings can
be set for each schedule period individually.
System selection is for all schedule periods.
M1458
3
AM
80
90
70
60
90
80
70
60
Daylight
Time