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69-0927—4
8
T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS
Table 4. Installer System-Test Options. (Continued)
M6791
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)
Key To
Press
Test
Number Description
Fan Equipment System-Test (T8511G only)
i 40 Change from cooling to fan equipment system-test.
▲ 41 Fan comes on.
▼ 40 Fan turns off.
T8511G System Key or T8511R System Switch 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 OR SWITCH SYSTEM-TEST (When system switch is used, move switch to see Test Number.)
i 60 Change from fan to key operation system-test.
System 61 Heat Test number is displayed. (Set T8511R system switch to HEAT.)
System 62 Off Test number is displayed. (Set T8511R system switch to OFF.)
System 63 Cool Test number is displayed. (Set T8511R system switch to COOL.)
System 64 Auto Test number is displayed.
System 65 Emergency heat Test number is displayed. (Set T8511R system switch to EM.HT.)
NOTE: Press system key again to repeat the System Key System-Test.
FAN KEY SYSTEM-TEST (T8511G only)
Fan 68 Fan on Test number is displayed.
Fan 69 Fan off Test number is displayed.