Honeywell T8511G User Manual
Page 6
69-0961—4
6
MICROELECTRONIC HEAT PUMP THERMOSTAT
Table 2. Thermostat Installer Setup Options (Continued).
Installer Setup
Number
(Press
i
key
Factory Setting
Other Choices
(Press
▲
or
▼
key to change)
Actual
Select
to change)
Display
Description
Display
Description
Setting
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.
24
00
No outdoor temperature
is displayed.
01
Outdoor temperature is
displayed. Needs a
C7089B1000 Outdoor
Sensor to operate.
Not used.
25 thru 28
—
—
—
—
—
O/B terminal
energized in
heating or
cooling.
29
00
O/B terminal is
energized for reversing
valve in cooling.
01
O/B terminal is energized for
reversing valve in heating.
Not used.
30 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.
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.
35
45
a
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
display.
36
00
LCD On symbol is
displayed when system
is energized.
01
Display is disabled, usually
set for 01 for a zoned
system.
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.