Honeywell CHRONOTHERM IV DELUXE T8624D Product Data page 8

T8624D CHRONOTHERM
Installer Setup
Number (Press
Time
change)
Select
Not used 1 thru 3
Heating cycle
a
rate
Not used 6 thru 11
System setting
adjustment
Adaptive Intelligent
Recovery™ control
Degree tempera-
ture display
Not used
Clock format
Not used 17 and 18
Extended fan
operation in heating
Extended fan
operation in cooling
Not used 21 thru 23
Outdoor
temperature display
(models with OT
terminals)
Not used 25 thru 29
Deadband
a
The cycle rate for the last stage of heat is adjustable with 6 cph being the factory setting.
68-0166—1
®
IV DELUXE PROGRAMMABLE THERMOSTAT
Table 6. Thermostat Installer Setup Options.
Factory-Setting
key to
Display Description
—
4 6 Stage 1
5 Stage 2
—
12 1 Manual changeover
13 0 Adaptive Intelligent
Recovery™ control is
activated (system
starts early so setpoint
is reached by start of
program period)
14 0 Temperature is
displayed in °F
15 —
16 0 12-hour clock format
—
19 0 No extended fan
operation after the call
for heat ends
20 0 No extended fan
operation after the call
for cool ends
—
24 0 No outdoor
temperature is
displayed
—
30 3 Heating and cooling
setpoints can be set
no closer than 3°F
(1.5°C)
Other Choices
(Press
Display
— —
3 or 9
3—3 cph used for steam
systems
6—6 cph factory setting for all
stages of system
9— 9 cph used for electric
heat
— —
0 or 2 0—Auto changeover
2—Fixed auto changeover
1 Conventional recovery
(system starts recovery at
programmed time)
1 Temperature is displayed
in °C
— —
1 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.
— —
1 Outdoor temperature is
displayed. Needs a
C7089B1000 Outdoor Sensor
to operate.
— —
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)
8
or key to change)
Description
—
—
—
—
—
—
(continued)
Actual
Setting
—
—
—
—
—
—
—