Honeywell T8665C Thermostat User Manual


 
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5. Press Fan key to modify fan
operation. Selecting Auto
means fan runs only when
heating or cooling equipment is operat-
ing. Selecting On means fan runs contin-
uously for entire schedule period.
6. Press Heat/Cool Settings
key to make selections for
opposite system setting
(either Heat or Cool).
Press Heat/Cool Settings key to select cooling
system (if you previously set heating temperature).
Current setting displays. Example display shows
cooling system previously set for 78°.
M1459
1
Set Program
Mon
Wake
System
Fan
Heat
Auto
AM
Cool
Setting
Fan
Heat/Cool
Settings