Honeywell T8024D Thermostat User Manual


 
T8000C, T8001C AND T8024D PROGRAMMABLE THERMOSTATS
68-0195–2
8
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.
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.
M12624A
M12625B
M12626A
M12627A
M12628A
M12629A
M12591A
SET
PM
M12593A
SYSTEM
Cool Off Heat
Auto
On
FAN
T8000
M12547
SLEEP
Hold
Select
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.
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 to set
WAKE time.
b. Press Select.
Press or to set
WAKE temperature.
4. LEAVE
a. Press Select.
Pressorto set
LEAVE time.
b. Press Select.
Pressorto set
LEAVE temperature.
5. RETURN
a. Press Select.
Pressorto set
RETURN time.
b. Press Select.
Pressorto set
RETURN
temperature.
Period Time Heat Setpoint Cool
Setpoint
Wake 6:00 AM 70°F (21°C) 78°F (26°C)
Leave 8:00 AM 62°F (17°C) 85°F (29°C)
Return 6:00 PM 70°F (21°C) 78°F (26°C)
Sleep 10:00PM 62°F (17°C) 82°F (28°C)