Thermostat information – Honeywell T8511G User Manual
Page 8

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MICROELECTRONIC HEAT PUMP THERMOSTAT
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
i
40
Change from cooling to fan equipment system-test.
▲
41
Fan comes on.
▼
40
Fan turns off.
System Key
IMPORTANT
Test numbers are displayed only when the system is configured for the selected function.
EXAMPLE: Numbers 60, 61 and 62 are the only numbers that are displayed when a system is configured for
heat only.
SYSTEM KEY
i
60
Change from fan to key operation system-test.
System
61
Heat Test number is displayed.
System
62
Off Test number is displayed.
System
63
Cool Test number is displayed.
System
64
Auto Test number is displayed.
System
65
Emergency Heat Test number is displayed.
NOTE:
Press system key again to repeat the System Key System-Test.
FAN KEY SYSTEM-TEST
Fan
68
Fan On Test number is displayed.
Fan
69
Fan Off Test number is displayed.