Installer Setup
Number
(Press i key
to change)
Select
Not used
01 thru 04
Heating cycle
rate
Not used
08 thru 11
Changeover
Not used
Degree tempera-
ture display
Not used
15 thru 18
Extended fan
operation in
heating
Extended fan
operation in
cooling
Not used
21 thru 23
Outdoor
temperature
a
display
Not used
25 thru 32
Minimum off time
for the
compressor
Heating setpoint
a
range stop
Cooling setpoint
a
range stop
System on
indicator
(flame=heat,
snowflake=cool)
a
is displayed
Temperature
display
adjustment
a
Available on select models.
Table 2. Thermostat Installer Setup Options.
Factory Setting
Display
—
05
06
Stage 2
06
—
Not used
07
06
Emergency heat
—
12
01
Manual changeover
13
—
14
00
Temperature is
displayed in °F
—
19
00
No extended fan
operation after the
call for heat ends
20
00
No extended fan
operation after the
call for cool ends
—
24
00
No outdoor
temperature is
displayed
—
33
05
5 minute minimum off
time for the
compressor
34
90
Heating setpoint can
be set no higher than
90°F
35
48
Cooling setpoint can
be set no lower than
48°F
36
00
LCD On symbol is
displayed when
system is energized
37
00
No difference in
displayed
temperature and
actual room
temperature
T8511G DELUXE HEAT PUMP ZONE THERMOSTAT
(Press
Description
Display
—
—
03, 06
or 09
—
—
00 or
02
—
—
01
—
—
01
01
—
—
01
—
—
00, 01,
02, 03
or 04
40 thru
90
48 thru
99
01
-3 thru
03
5
Other Choices
or
key to change)
Description
—
03—3 cph used for hot water
systems
06—6 cph used for heat pump
systems
09—9 cph used for electric heat
systems
—
00—Automatic changeover
02—Auto only
—
Temperature is displayed
in °C
—
Fan operation is extended
90 seconds after the call for
heat ends
Fan operation is extended
90 seconds after the call for
cool ends
—
Outdoor temperature is
displayed. Needs a C7089B1000
Outdoor Sensor to operate.
—
Minimum number of minutes
(0 thru 5) the compressor will be
off between calls for the
compressor
Number can be set anywhere
between 40 and 90 in 1°F
increments
Number can be set anywhere
between 48 and 99 in 1°F
increments
Display is disabled
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
Actual
Setting
—
—
—
—
—
—
—
69-1052—1