Honeywell CHRONOTHERM IV T8665A User Manual page 34

5. Press Fan key to modify fan operation. Selecting Auto means the fan runs only when the
heating or cooling equipment is operating. Selecting On means the fan runs continuously
for the entire schedule period.
6. Press Heat/Cool Settings key to make selections for the opposite system setting (either
Heat or Cool).
Set Program
Mon
Wake
Press Heat/Cool Settings key to select the cooling system
(if you previously set the heating temperature). The
current setting displays. Example display shows
the cooling system previously set for 78°.
34
Fan
Heat/Cool
Settings
Setting
AM
Fan
Cool
69-1536–3
System
Heat
Auto
M14591