Operation - Honeywell T8024D Product Data

T8000C, T8001C AND T8024D PROGRAMMABLE THERMOSTATS

OPERATION

Setting FAN and SYSTEM Switches
Fan and system settings are controlled manually by using the
switches located at the bottom of the thermostat case. See
Fig. 14.
S L E E
P
T8000
Fig. 14. Digital Display and System Switches.
FAN Switch
Fan switch settings are:
On: The fan runs continuously. Use for improved air
circulation and air quality.
Auto: Normal setting for most homes. In cooling, the fan
starts and stops with the cooling equipment. In heating,
the fan is controlled directly by the heating equipment
and may start a few minutes after the heating
equipment turns on (most systems). When the fan
operation (fuel) switch is in the E position, the fan starts
and stops with the heating equipment.
Slide the FAN switch in the lower left corner of the thermostat
to select the desired fan setting.
SYSTEM Switch
System switch settings control thermostat operation as follows:
Cool: The thermostat controls the cooling system.
Off: Both heating and cooling are off.
Heat: The thermostat controls the heating system.
Slide the SYSTEM switch in the lower right corner of the
thermostat to select the desired system setting.
PROGRAMMING
The thermostat is flexible and can be programmed for
different schedules for weekdays and weekends.
Four time periods are available during weekdays and
weekends W AKE, LEAVE, RETURN, and SLEEP.
IMPORTANT
Always press the keys with your fingertip or similar
blunt tool. Sharp instruments like pens and pencil
points can damage the keyboard.
68-0195–2
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M12547
Setting the Current Time and Day
1. To Set Current Time.
a. Press Select twice.
b. Press or to set
current time. While setting
the current time, the word
SET is displayed.
2. To Set Day of Week.
a. Press Select again.
b. Press or to set
current day.
NOTE: To use the preprogrammed time and temperature
(see Table 2), press Hold to exit Programming.
Table 2. Preprogrammed Time and Temperature Settings.
Period Time
Wake 6:00 AM
Leave 8:00 AM
Return 6:00 PM
Sleep 10:00PM
Setting the Weekday Program
Slide the SYSTEM switch to the position, heating or cooling,
you want to program. The flame (heating) or the snowflake
(cooling) will appear in the lower right corner of the display.
3. WAKE
a. Press Select.
Press or
WAKE time.
b. Press Select.
Press or
WAKE temperature.
4. LEAVE
a. Press Select.
Press or
LEAVE time.
b. Press Select.
Press or
LEAVE temperature.
5. RETURN
a. Press Select.
Press or
RETURN time.
b. Press Select.
Press or
RETURN
temperature.
8
SET
PM
Heat Setpoint Cool
Setpoint
70°F (21°C) 78°F (26°C)
62°F (17°C) 85°F (29°C)
70°F (21°C) 78°F (26°C)
62°F (17°C) 82°F (28°C)
to set
to set
to set
to set
to set
to set
M12591A
M12593A
M12624A
M12625B
M12626A
M12627A
M12628A
M12629A