5. Press the increase ▲ key again to display the
EEPROM identification code (Example: 222 =
EEPROM ID 222).
6. Press and hold the increase ▲ and decrease ▼
keys until the room temperature is displayed to exit
the system-test. The system-test times out after five
minutes without any key presses.
CHECKOUT
Outdoor Temperature Sensor
(Where Applicable)
Allow the outdoor temperature sensor to absorb the
outdoor air for a minimum of five minutes before taking a
reading. With an accurate thermometer (±1°F [±0.5°C]),
measure the temperature at the sensor location, allowing
time for the thermometer to stabilize before reading. Match
the thermometer reading to the outdoor temperature
display at the thermostat.
M4864
M4865
M4866
Thermostat Information
1. Press the Information i key to access the thermo-
stat 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: 026 = February 1996).
3. Press the increase ▲ key again to display the
software identification code (Example: 02 =
software ID code 2).
4. Press the increase ▲ key again to display the
software revision number (Example: 001 =
revision number 1).
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