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T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT
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Thermostat Information
1. Press the Time key to access the thermostat infor-
mation.
2. Press the increase V key to display the produc-
tion 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 V again to display the soft-
ware identification code. (Example: 02 = software
ID code 2).
4. Press the increase key V again to display the
software revision number (example:001 = revision
number 1).
5. Press the increase V 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.
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