69-1052—1
5

T8511G DELUXE HEAT PUMP ZONE THERMOSTAT

Table 2. Thermostat Installer Setup Options.

aAvailable on select models.
Installer Setup
Number
(Press i key Factory Setting Other Choices
(Press or key to change) Actual
Select to change) Display Description Display Description Setting
Not used 01 thru 04
Heating cycle 05 06 Stage 2 03, 06 03—3 cph used for hot water
rate 06 Not used or 09 systems
07 06 Emergency heat 06—6 cph used for heat pump
systems
09—9 cph used for electric heat
systems
Not used 08 thru 11
Changeover 12 01 Manual changeover 00 or
02 00—Automatic changeover
02—Auto only
Not used 13
Degree tempera-
ture display 14 00 Temperature is
displayed in °F 01 Temperature is displayed
in °C
Not used 15 thru 18
Extended fan
operation in
heating
19 00 No extended fan
operation after the
call for heat ends
01 Fan operation is extended
90 seconds after the call for
heat ends
Extended fan
operation in
cooling
20 00 No extended fan
operation after the
call for cool ends
01 Fan operation is extended
90 seconds after the call for
cool ends
Not used 21 thru 23
Outdoor
temperature
display
a
24 00 No outdoor
temperature is
displayed
01 Outdoor temperature is
displayed. Needs a C7089B1000
Outdoor Sensor to operate.
Not used 25 thru 32
Minimum off time
for the
compressor
33 05 5 minute minimum off
time for the
compressor
00, 01,
02, 03
or 04
Minimum number of minutes
(0 thru 5) the compressor will be
off between calls for the
compressor
Heating setpoint
range stop
a
34 90 Heating setpoint can
be set no higher than
90°F
40 thru
90 Number can be set anywhere
between 40 and 90 in 1°F
increments
Cooling setpoint
range stop
a
35 48 Cooling setpoint can
be set no lower than
48°F
48 thru
99 Number can be set anywhere
between 48 and 99 in 1°F
increments
System on
indicator
(flame=heat,
snowflake=cool)
is displayed
a
36 00 LCD On symbol is
displayed when
system is energized
01 Display is disabled
Temperature
display
adjustment
37 00 No difference in
displayed
temperature and
actual room
temperature
-3 thru
03 01—Display adjusts to 1°F higher
than actual room temperature
02—Display adjusts to 2°F higher
than actual room temperature
03—Display adjusts to 3°F higher
than actual room temperature
-1—Display adjusts to 1°F lower
than actual room temperature
-2—Display adjusts to 2°F lower
than actual room temperature
-3—Display adjusts to 3°F lower
than actual room temperature