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T8624D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE THERMOSTAT
68-0166—1
15
4. Repeat steps 2 and 3 for all the periods to be cleared.
5. Press Run Program.
Setting Temporary Temperatures
Changing Temperature Setting Until the Next
Program Period
Press increase ▲ or decrease ▼ key until the desired
temperature setpoint is displayed.
NOTE: If ▼ or ▲ appear under the temperature display, it
means that both the heating and cooling setpoints
are being adjusted. Tapping the key will change both
the heat and cool setpoints by one degree. Press i
after the desired setpoint is reached to check the
setpoints.
NOTE: The display changes from the setpoint to the
room temperature after approximately
3 seconds.
5. Press Run Program to cancel the Hold and to return to
the program.
Changing Temperature Setting Until a Designated
Day and Period
1. Press Hold Temp twice.
M10332
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Wake
Temporary Setting
NOTE: The temporary temperature setting is displayed for
approximately 3 seconds. The setting is canceled
when the next period starts or when Run Program
is pressed.
Changing Temperature Setting Indefinitely
1. Press Hold Temp.
M10333
Time Set Program
System Fan
Run
Program
Hold Temp
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Setting
2. Press increase ▲ or decrease ▼ key to change the
setting, if desired.
M10334
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Setting
3. Press Heat/Cool Settings to change between heat and
cool settings.
M10336
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Cool
Setting
4. Press increase ▲ or decrease ▼ key to adjust
temperature settings.
M10336
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Cool
Setting
M10337
Time Set Program
System Fan
Run
Program
Hold Temp
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Wake
Hold for
Setting
2. Press Time ▲ ▲ or Time ▼ ▼ until the desired number of
days is displayed (1 to 256 days). (Example: 18 = Hold
will override the daily programs for 18 days)
M10338
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Wake
Hold for
Setting
Time
3. Press Wake, Leave, Return or Sleep to select the
period the program will start. (Example: Return =
thermostat will stop the Hold at the Return period
start time)
M10339
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return
Return
Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Hold for
Return
Setting
4. Press increase ▲ or decrease ▼ key to adjust the
temperature setting, if desired. (Example: Heat 54° =
heating equipment will operate when the room
temperature is below 54°F)
M10340
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Heat
Hold for
Return
Setting
NOTE: When the System is set for Auto, both heat and cool
settings are needed. If the System is set for Heat,
only the Heat setpoint is needed or if Cool is
selected, only the Cool setpoint is needed.
5. Press Heat/Cool Settings to change between heat and
cool settings.