T8600D, T8601D AND T8602D CHRONOTHERM
System settings control the thermostat operation as follows:
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Auto: The thermostat automatically changes between
heating and cooling operation, depending on the indoor
Fan settings control the system fan as follows:
On: Fan operates continuously.
Auto: Fan operates with equipment.
Fig. 7. Thermostat System and Fan key locations.
NOTE: Always press the keys with your fingertip or similar
blunt tool. Sharp instruments like a pen or pencil
point can damage the keyboard.
Refer to Table 5 for the default program. If the daytime energy
savings period is not used, press the period key (Leave or
Return) until the time is blank. The fan setting feature is
available on select thermostat models. See Programming
Section for complete instructions on changing the program.
Table 5. Default Program Settings.
NOTE: For most applications, the thermostat factory-
settings will not need to be changed. Review the
factory settings in Table 6 and if no changes are
necessary, go to the Installer System Test section.
IV DELUXE PROGRAMMABLE THERMOSTATS
The Installer Setup is used to customize the thermostat to
specific systems. Some of the options include temperature
display, changeover and outdoor temperature display. Installer
Setup numbers are listed in Table 6. The table includes all the
configuration options and the factory-settings for the
A combination of key presses are required to use the Installer
— To enter the Installer Setup, press and hold the
Information i key with the increase
keys until the first number is displayed. All display
segments appear for approximately three seconds before
the number is displayed. See Fig. 8 and 9.
— To advance to the next Installer Setup, press the Time
— To change a setting, use the increase
— To scroll the Installer Setup numbers backwards, press
— To exit the Installer Setup, press Run Program.
Fig. 8. Display of all the segments of the LCD.
OF TABLE 6)
Fig. 9. Display of Installer Setup number and setting.
Heat pump and electric heat systems must be
configured to 1 in Installer Setup number 2 to prevent
equipment damage caused by the system running
without the fan.
Only configurable numbers are shown on the device.
Example: If thermostat does not have a system key,
Installer Setup Number 12 will not be displayed.
Review Table 6 factory-settings and mark any
desired changes in the Actual Settings column.
When Installer Setup is complete, review the settings
to confirm that they match the system.
Temporary Setting Enrg
OR OTHER CHOICE
DISPLAY (COLUMN 3
OR 5 OF TABLE 6)