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Key to
Test
Press
Number
Key Operation System-Test
IMPORTANT
Test numbers will only be displayed when the system is configured for the selected function.
EXAMPLE: Numbers 60, 61 and 62 are the only numbers that will be displayed when a system
is configured for heat only.
System Key System-Test
i
60
System
61
System
62
System
63
System
64
Fan Key System-Test
Fan
68
Fan
69
NOTE: Press and hold the increase
system-test will time out after ten minutes without any key presses.
THERMOSTAT INFORMATION
1. Press the Information i key to access the thermo-
stat information.
2. Press the increase
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).
Table 4. Installer Self-Test Options (Continued) .
Change from cooling or fan to key operation system-test.
Heat Test Number is displayed.
Off Test Number is displayed.
Cool Test Number is displayed.
Auto Test Number is displayed.
Fan on Test Number is displayed.
Fan off Test Number is displayed.
and decrease
key to display the production
Description
keys together for three seconds to exit the system-test. The
3. Press the increase
software identification code.
4. Press the increase
software revision number (Example: 001=Revision
M4864
number 1).
M10444
7
T8501D DELUXE ZONE THERMOSTAT
key again to display the
key again to display the
M4866
M6791
69-1049—1
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