Honeywell T8511 Manual page 7

Installer Setup
Number
(Press i key
to change)
Select
Not used 01
a, b
Fan operation 02
Not used 03
Heating cycle rate 04
05
06
07
Not used 08 thru 11
Changeover 12
Not used 13
Degree tempera- 14
ture display
Not used 15 thru 18
Extended fan 19
operation in
a,b
heating
Extended fan 20
operation in
b
cooling
Not used 21 thru 23
Outdoor 24
temperature
b
display
Not used 25 thru 28
O/B terminal ener- 29
gized in heating or
b
cooling
Not used 30 thru 32
Minimum off time 33
for the
compressor
Heating setpoint 34
range stop
Cooling setpoint 35
range stop
Table 4. Thermostat Installer Setup Options.
Factory-Setting
Display Description
—
00 Conventional applica-
tions where equipment
controls fan operation
in heat mode
— —
b
Depends Stage one
b
on model Stage two
— Not used
b
09 Emergency heat
—
01 Manual changeover
—
00 Temperature is
displayed in °F
—
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 tempera-
ture 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
48 Cooling setpoint can
be set no lower than
48°F
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS
(Press
Display
— —
01 Heat pump and electric heat
applications where thermostat
controls fan operation in heat
mode
— —
01, 03, 06 01—1 cph used for radiant floor
or 09
heat, gravity systems
03—3 cph used for hot water
systems or high efficiency
furnaces
06—6 cph used for conventional
systems
09—9 cph used for electric heat
systems
— —
00 Automatic changeover
— —
01 Temperature is displayed in °C
— —
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, 02, Minimum number of minutes
03 or 04 (0 thru 5) the compressor will be
off between calls for the
compressor
40 thru 90 Number can be set anywhere
between 40 and 90 in 1°F
increments
48 thru 99 Number can be set anywhere
between 48 and 99 in 1°F
increments
7
Other Choices
or key to change)
Description
—
—
—
—
—
—
—
Actual
Setting
—
—
—
—
—
—
—
—
—
(continued)
68-0162—1