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T8501A,B,C,D MICROELECTRONIC THERMOSTATS
Test
Key to
Mode
Press
Number
Key or Switch Operation Self-Test
IMPORTANT
Test Mode 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 OR SWITCH SELF-TEST (When system switch is used, move switch to see Test Mode Numbers.)
60
i
System
61
System
62
System
63
System
64
FAN KEY SELF-TEST (Fan switch cannot be tested)
Fan
68
Fan
69
a
Available on select models.
Thermostat Information
Press the Information i key to access the thermo-
stat information.
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: 026 = February 1996)
69-0959
Table 4. Installer Self-Test Options. (Continued)
a
Change from cooling or fan to key operation self-test.
Heat Test Mode Number is displayed. (Set system switch to HEAT.)
Off Test Mode Number is displayed. (Set system switch to OFF.)
Cool Test Mode Number is displayed. (Set system switch to COOL.)
Auto Test Mode Number is displayed.
Fan on Test Mode Number is displayed.
Fan off Test Mode Number is displayed.
M4864
key to display the production
M4865
Description
Press the increase
software identification code.
(Example: 02 = software ID code 2)
Press the increase
software revision number.
(Example: 001 = revision number 1)
8
key again to display the
M4866
key again to display the
M6791
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