Honeywell T8665C Thermostat User Manual


 
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NOTE: The Display changes from setpoint to
room temperature after approximately
three seconds.
3. Press Run Program key to
cancel hold.
Press Hold Temp key once to display the thermostat
in Hold mode. Example display shows temporary
heat setting of 60°.
Changing Temperature Setting Until a
Designated Day and Period (Vacation
Hold)
1. Press Hold Temp key twice.
Press Hold Temp key twice to display thermostat in
Vacation mode. Example display shows temporary
heat setting of 60°.
M1456
5
System
Fan
Hea
t
Auto
Heat
Setting
M1483
3
Wake
System
Fan
Hea
t
Auto
Hold for
Heat
Days
Setting
Hold Temp
Hold Temp