Thermostat Installer Setup Options - Honeywell Chronotherm T8665A Installation Instructions Manual

Iv deluxe programmable wireless thermostat
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T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT
Installer Setup
Number
(Press Time
key to
Select
change)
Not used
1
2
a
Fan operation
Not used
3
Heating cycle
4
rate
Not used
5 thru 11
System setting
12
adjustment
Adaptive
13
Intelligent
Recovery™
control
Degree
14
temperature
display
Not used
15
Clock format
16
Not used
17 and 18
Extended fan
19
operation in
a
heating
Extended fan
20
operation in
a
cooling
Not used
21 thru 29
Deadband
30
Not used
31 and 32
Minimum off
33
time for the
compressor
69-1535-3
Table 3. Thermostat Installer Setup Options.
Factory Setting
Display
Description
0
Conventional
applications where
equipment controls
fan operation in heat
mode
6
6—6 cph used for
conventional heat
1
Manual changeover 0 or 2
0
Adaptive Intelligent
Recovery™ control
is activated (system
starts early so
setpoint is reached
by start of program
period)
0
Temperature is
displayed in °F
0
12-hour clock format 1
0
No extended fan
operation after the
call for heat ends
0
No extended fan
operation after the
call for cool ends
3
Heating and cooling
setpoints can be set
no closer than 3°F
(1.5°C)
5
five-minute
minimum off time for
the compressor
Other Choices
(Press
or
Display
1
Heat pump or electric heat
applications where
thermostat controls fan
operation in heat mode
1, 3 or 9
1—1 cph used for radiant
floor heat, gravity system
3—3 cph used for hot
water systems or high
efficiency furnaces
9—9 cph used for electric
heat systems
0—Auto changeover
2—Auto only
1
Conventional recovery
(system starts recovery at
programmed time)
1
Temperature is displayed
in °C
24-hour clock format
1
Fan operation is extended
90 seconds after the call
for
heat ends.
1
Fan operation is extended
90 seconds after the call
for
cool ends.
4 thru 10
Heating and cooling
setpoints can be set no
closer than the chosen
value:
4—4°F (2°C)
5—5°F (2.5°C)
6—6°F (3°C)
7—7°F (3.5°C)
8—8°F (4°C)
9—9°F (4.5°C)
10—10°F (5°C)
0 thru 4
Minimum number of
minutes (0 thru 5) the
compressor will be off
between calls for the
compressor
6
key to change)
Actual
Description
Setting

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