Honeywell T8665C Thermostat User Manual


 
17 69-1538
Press the Run Program key to
cancel the temporary temperature
setting before the designated time.
After selecting a temporary setting, the display reads
“Temporary” until cancelled. Example display shows
temporary heat setting of 70° at 6:00 AM.
If or appears under temperature display,
both heating and cooling
setpoints are being
adjusted. Tapping or
key changes both heat and
cool setpoints one degree.
(Press i key after setpoint is
reached to verify setpoints.)
Changing and Holding Temperature
Setting Indefinitely
1. Press Hold Temp key once.
2. Press increase or decrease key to
change temperature setpoint, if desired.
M1456
4
Mon
System
Fan
Hea
t
Auto
AM
Heat
Temporary
80
90
70
60
90
80
70
60
Run
Program
Hold Temp