T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS
69-1409—1 10
NOTE: Press any key and the displayed numbers change. Press Time ∇ to go to the previous test and Time ∆ to go to
the next test. The Run Program key does not exit this test. Press Time ∆ or Time ∇ and then the Run Program
key to exit.
THERMOSTAT INFORMATION
1. Press the Time ∆ key to access the thermostat
information.
2. Press the increase key to display the production
date code. The first two large digits are the month
and the third digit is the last digit of the year
(Example: 027 = February 1997)
.
3. Press the increase key again to display the soft-
ware identification code. (Example: 02 = software
ID code 2).
4. Press the increase key again to display the soft-
ware revision number (Example: 001 = Revision
number 1).
5. Press the increase key again to display the
EEPROM identification code. (Example: 314 =
EEPROM ID 314).
6. Press the Run Program key to exit the system test.
The system test times out after four minutes with-
out any key presses.
CHECKOUT

Outdoor Temperature Sensor

(Select Models)

Allow the outdoor temperature sensor to absorb the
outdoor air for a minimum of five minutes before taking a
reading.
41 Fan comes on.
40 Fan turns off.
Key Operation System Test
Time ∆60 1 Change from fan to key operation system test.
Table 5. Installer System Test Options. (Continued)
Keys to
Press
Test
Number Description
M1461
3
M1461
4
M1461
5
M1461
7
M1461
7