Honeywell CHRONOTHERM IV T8665A User Manual page 19

Press Wake, Leave, Return or Sleep key to select the
period the Hold ends.
4. Press increase
ture setting, if desired.
NOTE: Only the heating temperature is used when
the System is set to Heat. Similarly, only the
cooling temperature is used when the System
is set to Cool. The thermostat uses both the
heating and cooling temperatures when the
System is set to Auto.
Wake Leave Return
or decrease to adjust the tempera-
Sleep
Hold for
In this example, the Hold ends after the 18
Hold for
Press increase
a new Hold temperature. Example display
19
Days
Heat
Return
day at the beginning of the Return period.
Days
Heat
Return
or decrease
shows temporary heat setting of 55
Setting
System
Heat
Fan
Auto
M14571
th
Setting
System
Heat
Fan
Auto
M14572
key to select
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