Honeywell T8000C User manual
OWNER’S GUIDE
T8000C
Programmable Thermostat
69-1437EF
269-1437EF
Features
•Program up to four time periods and temperature settings to complement your lifestyle.
•Set different schedules for weekdays and weekends.
•Programs are permanently held in non-volatile memory in the event of a power failure.
•Indefinite temperature hold.
•Preprogrammed for your convenience.
369-1437EF
Welcome to the world of comfort and energy savings with your new Honeywell programmable
thermostat.
Your new ProgrammableThermostat is designed to provide you with reliable, precise temperature
control.When you follow the simple programming instructions in this manual, your thermostat
automatically controls the temperature in your home, saving energy and allowing you to awake (or
return home) to a comfortable level of heating or air conditioning.
Direct questions concerning the operation of this thermostat to Honeywell Customer Assistance at
1-800-468-1502, Monday-Friday, 7:00 a.m.-5:30 p.m., Central time.
469-1437EF
The thermostat display shows day, time,
program period, and temperature.
The thermostat can be set for four time
periods per day for weekdays and week-
ends.
Before programming the thermostat, you can
use the following chart on page 5, to organize
your program schedule.
Fill in the times and temperatures you desire for
weekdays and weekends.If you decide not to
program the thermostat, it will follow the
preprogrammed time and temperature settings
shown inTable 1.
Table 1. PreprogrammedTime
andTemperature Settings.
Period Time Heat
Setpoint Cool
Setpoint
Wake 6:00 AM 21°C
(70°F ) 26°C
(78°F )
Leave 8:00 AM 17°C
(62°F ) 29°C
(85°F )
Return 6:00 PM 21°C
(70°F ) 26°C
(78°F )
Sleep 10:00PM 17°C
(62°F ) 28°C
(82°F )
569-1437EF
Program Schedule
Weekday StartTime HeatingTemperature CoolingTemperature
Wake ________ ________ ________
Leave ________ ________ ________
Return ________ ________ ________
Sleep ________ ________ ________
Weekend StartTime HeatingTemperature CoolingTemperature
Wake ________ ________ ________
Leave ________ ________ ________
Return ________ ________ ________
Sleep ________ ________ ________
WAKE and RETURN start times should include extra lead time, based on outside temperature and
equipment response time, to give your equipment a head start to heat or cool the house.The
temperatures cannot be set any higher than 37°C (99°F) or any lower than 4°C (40°F).
669-1437EF
Programming
The thermostat is flexible and can be program-
med for different schedules for weekdays and
weekends, to meet your lifestyle needs.
Use the personal Program Schedule for
planning your time and temperature settings for
various times of the day. See page 5.
Four time periods are available during week-
days and weekends —WAKE, LEAVE, RE-
TURN, and SLEEP.
WAKE is the time the thermostat turns on the
heating/cooling equipment after an energy
saving period.When deciding what time to
set for your WAKE period, include extra
lead time, depending on the outside
temperature and your equipment response
time, to give the equipment a head start to
heat or cool the house before you get up.
(This will be a higher temperature during
heating season, and a lower temperature
during cooling season.)
LEAVE is the time period you can set for an
energy-saving temperature while you are
away at work or school.(This will be a
lower temperature during heating season,
and a higher temperature during cooling
season.)
RETURN is the time the thermostat turns on
the heating/cooling equipment after an
energy saving period.When deciding what
time to set for your RETURN period,
include extra lead time, depending on the
outside temperature and your equipment
response time, to give the equipment a
head start to heat or cool the house before
you arrive home.
769-1437EF
SLEEP is the time period you can set for an
energy-saving temperature while you are
sleeping.(For more comfortable sleeping,
some people choose not to raise the cool
temperature during the night.)
IMPORTANT
Always press the keys with your
fingertip or similar blunt tool.Sharp
instruments like pens and pencil
points can damage the keys.
Setting the Current Time and Day
1. To Set Current Time Press Select twice.
Press ▲ or ▼
to set current
time.
While setting the current time, the word SET is
flashing.
2. To Set Day of Week.Press Select again.
Press ▲ or ▼
to set current
day.
To use the preprogrammed time and tempera-
ture settings (see Table 1), press Hold now, to
exit the programming mode.To enter a custom
program to fit you life style, continue to step 3.
M12591A
SET
PM
M12593A
MON
869-1437EF
Setting the Weekday Program
Slide the SYSTEM switch to the position, heat
or cool, you want to program. A flame (heat-
ing) or a snowflake (cooling) will appear in
the lower right corner of the display, when
setting the program temperature.
3. Wake
a. Press Select. Press ▲ or ▼to set
Wake
time.
b. Press Select. Press ▲ or ▼to set
Wake
temp-
erature.
4. Leave
a. Press Select. Press ▲ or ▼to set
Leave
time.
b. Press Select. Press ▲ or ▼to set
Leave
temp-
erature.
5. Return
a. Press Select. Press ▲ or ▼to set
Return
time.
M12624A
M12626A
M12628A
M14205A
M14203A
969-1437EF
b. Press Select. Press ▲ or ▼to set
Return
temp-
erature.
6. Sleep
a. Press Select. Press ▲ or ▼to set
Sleep
time.
b. Press Select. Press ▲ or ▼to set
Sleep
temp-
erature.
Setting the Weekend Program
7. Wake
a. Press Select. Press ▲ or ▼to set
Wake
time.
b. Press Select. Press ▲ or ▼to set
Wake
temp-
erature.
M12630A
M12632A
M14204A
M14207A
M14206A
10 69-1437EF
8. Leave
a. Press Select. Press ▲ or ▼to set
Leave
time.
b. Press Select. Press ▲ or ▼to set
Leave
temp-
erature.
9. Return
a. Press Select. Press ▲ or ▼to set
Return
time.
b. Press Select. Press ▲ or ▼to set
Return
temp-
erature.
10. Sleep
a. Press Select. Press ▲ or ▼to set
Sleep
time.
b. Press Select. Press ▲ or ▼to set
Sleep
temp-
erature.
M12634A
M12636A
M12638A
M14211A
M14210A
M14212A
SAT SUN
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