Honeywell T8511G Installation Instructions Manual page 6

Microelectronic heat pump thermostats
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MICROELECTRONIC HEAT PUMP THERMOSTAT
Installer Setup
Number
(Press i key
to change)
Select
Extended fan
19
operation in
heating.
Extended fan
20
operation in
cooling.
Not used.
21 thru 23
Outdoor
24
temperature
display.
Not used.
25 thru 28
O/B terminal
29
energized in
heating or
cooling.
Not used.
30 thru 32
Minimum off
33
time for the
compressor.
Heating
34
setpoint range
stop.
Cooling
35
setpoint range
stop.
System On
36
display.
Temperature
37
display
adjustment.
69-0961—4
Table 2. Thermostat Installer Setup Options (Continued).
Factory Setting
Display
Description
00
No extended fan
operation after the call
for heat ends.
00
No extended fan
operation after the call
for cool ends.
00
No outdoor temperature
is displayed.
00
O/B terminal is
energized for reversing
valve in cooling.
05
5 minute minimum off-
time for the compressor.
90
Heating setpoint can be
set no higher than 90°F.
a
45
Cooling setpoint can be
set no lower than 48°F.
00
LCD On symbol is
displayed when system
is energized.
00
No difference in
displayed temperature
and actual room
temperature.
Other Choices
(Press
Display
01
Fan operation is extended
90 seconds after the call for
heat ends.
01
Fan operation is extended
90 seconds after the call for
cool ends.
01
Outdoor temperature is
displayed. Needs a
C7089B1000 Outdoor
Sensor to operate.
01
O/B terminal is energized for
reversing valve in heating.
00, 01,
Minimum number of minutes
02, 03
(0 thru 5) the compressor will
or 04
be off between calls for the
compressor.
40 thru
Number can be set
90
anywhere between 40 and
90 in 1°F increments.
48 thru
Number can be set
99
anywhere between 48 and
99 in 1°F increments.
01
Display is disabled, usually
set for 01 for a zoned
system.
01—Display adjusts to 1°F
-3 thru
higher than actual room
03
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.
6
or
key to change)
Description
Actual
Setting

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