Carrier PROGRAMMABLE THERMOSTAT Assembly instructions

Homeowner’s Guide
PROGRAMMABLE THERMOSTAT
Congratulations on your purchase
of a new Carrier thermostat. Your
new thermostat combines computer-like
intelligence with extremely simple
operation in an elegant package.
Designed to maximize the performance
of your Carrier total indoor weather
system, our thermostats provide reliable,
accurate temperature control while
blending into any home’s decor. As you
read on, you’ll quickly see how easy it is
to set up and operate your new
thermostat and enjoy the comfort of your
home.
Intelligent, easy to use.
comfort
Carrier Corporation Indianapolis, IN 46231
© 1998 Carrier Corporation Form: OMTSTAT-7 Replaces: OMTSTAT-3 Printed in the U.S.A. 9-98 Catalog No. 03TS-TA3
Prog. Tstat HO Guide -3 8/24/01 11:33 AM Page 1

Homeowner’s Guide
PROGRAMMABLE THERMOSTAT
Congratulations on your purchase
of a new Carrier thermostat. Your
new thermostat combines computer-like
intelligence with extremely simple
operation in an elegant package.
Designed to maximize the performance
of your Carrier total indoor weather
system, our thermostats provide reliable,
accurate temperature control while
blending into any home’s decor. As you
read on, you’ll quickly see how easy it is
to set up and operate your new
thermostat and enjoy the comfort of your
home.
Intelligent, easy to use.
comfort
Carrier Corporation Indianapolis, IN 46231
© 1998 Carrier Corporation Form: OMTSTAT-7 Replaces: OMTSTAT-3 Printed in the U.S.A. 9-98 Catalog No. 03TS-TA3
Prog. Tstat HO Guide -3 8/24/01 11:33 AM Page 1

MODE Button selects
OFF, HEAT, COOL, or
AUTO operation.
Heat pump thermostats
include EMERGENCY
HEAT mode.
FAN Button
chooses ON
or AUTO fan
operation.
PROGRAM Button starts
the programming process
and moves you from one
step to the next.
Room Temperature
Display shows current
room temperature.
Clean Filter Indicator lets
you know it is time to clean
or replace your system’s air
filter.
Outdoor Temperature
Display shows the
outdoor temperature.
Temperature Settings Display
shows the temperature settings for
current time period.
* Auxiliary Heat Indicator
is displayed when a heat
pump system’s auxiliary
heat is on.
UP AND DOWN Buttons
change the temperature
settings.They are used for
programming and to access
outdoor temperature.
RESET FILTER Button
restarts the timer that
determines the next air
filter change or cleaning.
HOLD Button maintains
the current temperature
and overrides programmed
temperature changes
until reset.
CHANGE DAY Button
advances you to the next
day to be programmed
and advances the day of
the week display.
COPY PREVIOUS DAY
Button “memorizes”
the current day’s
comfort schedule and
copies it into the next
day’s schedule.
END Button
“locks in” the most
recently entered
temperatures and
schedule.
SET TIME/TEMP
Button
Time of Day Display
▲
▲
▲
▲
▲
▲ ▲
▲
▲
*Available on selected models.
▲
▲
▲
▲▲▲▲
NOTE: Not all messages displayed in the above illustration will appear at once in any situation.
This is no ordinary thermostat.
Carrier listened to the needs of
homeowners nationwide and delivered
a product to meet those needs. The
result is a thermostat that interacts
with people as effectively as it does
with your heating and cooling system.
It’s a simple, yet powerful control that
puts comfort at your command.
Comfort at your command.
control
Take a few minutes to review
the features and functions listed
above. Carrier gives you control over
your comfort with simple instructions,
responsive push buttons and an easy-
to-read backlit display. Once set, this
thermostat reliably monitors indoor
temperatures and responsively meets
your comfort demands.
Making life easier.
features
Prog. Tstat HO Guide -3 8/24/01 11:33 AM Page 2

TABLE OF CONTENTS
PROGRAMMING THE THERMOSTAT
Setting the current day........................................1
Setting the current time......................................1
Setting the mode operation ................................2
Setting the fan operation ....................................3
Personalize your comfort....................................4
Setting your comfort schedule............................5
Copying a daily schedule...................................8
OPERATING THE THERMOSTAT
Changing your comfort schedule......................10
Overriding your comfort schedule....................10
Checking the outdoor temperature ..................11
Checking current programmed time
and temperature settings...............................12
Clean filter feature............................................13
AUTO CHANGEOVER.........................................14
SMART RECOVERY .............................................15
What if…
The auxiliary heat indicator is displayed...........16
The clean filter indicator is displayed...............16
The hold indicator is displayed.........................16
You have a power outage.................................17
You have a system error message .....................17
Warranty.............................................................18
Common Terms and Where to Find Them ...........19
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PROGRAMMING THE THERMOSTAT
Setting the current day
1Press the CHANGE DAY button.
The day of the week will change.
2Stop on the desired day. The thermostat
then follows the program schedule
for that day.
Setting the current time
1Press the SET TIME/TEMP button.
The word TIME flashes on the display.
2Press the UP or DOWN buttons
until the correct time is displayed. To quickly
advance to the proper time, press and hold
the UP or DOWN button. To ensure accurate
programming, be sure that AM or PM is
properly selected.
1

PROGRAMMING THE THERMOSTAT
3When the correct time appears on the display,
press the END button.
NOTE: If you choose not to press the END button,
the word TIME will stop flashing after 15 seconds.
Setting mode operation
1Press MODE button.
2When the MODE button is pressed, the words
OFF,
HEAT,
COOL,
2

PROGRAMMING THE THERMOSTAT
and AUTO
will rotate on the display.
If you have a heat pump, the display
will show OFF, HEAT, COOL, AUTO,
and EHEAT.
NOTE: In AUTO mode, your system will heat OR
cool as needed to reach your temperature settings.
AUTO mode may be turned off. Contact your
indoor weather expert for details.
3Continue to press the MODE
button until you reach the desired setting.
Setting the fan operation
1Press the FAN button to switch
between ON and AUTO fan settings.
When the ON mode is selected, the fan runs
continuously for improved air circulation.
When the AUTO mode is selected, the fan
runs only as needed to maintain your indoor
temperature settings.
3

PROGRAMMING THE THERMOSTAT
Personalize Your Comfort
Before you program your thermostat, take
a moment to plan your temperature
schedule. Each day of the week is divided
into 4 time periods: WAKE, DAY,
EVENING, and SLEEP.
For each time period, enter a start time,
heating temperature, and cooling
temperature in the appropriate blank.
Once completed, this chart will be your
guide during programming.
NOTE: Your thermostat requires your cooling
temperature to be at least 2° higher than your
heating temperature.
4

PROGRAMMING THE THERMOSTAT
Setting your comfort schedule
Before you begin programming, refer to
page 4 of this manual to plan your
personal comfort schedule.
1Press the PROGRAM button.
The word PROGRAMMING appears on the
display and the word TIME flashes on
the display.
Above the clock, the word WAKE, DAY, EVE,
or SLEEP will appear. The day to be programmed
is displayed with a 2-letter abbreviation:
MO, TU, WE, TH, FR, SA, or SU.
NOTE: Your thermostat will always start the
programming process in the current time
period and current day.You may wish to begin
programming on a different day or time period.
To change the time period, press the PROGRAM
button as needed until the correct time period,
WAKE, DAY, EVE, or SLEEP appears. Press the
CHANGE DAY button to display the desired day.
5

PROGRAMMING THE THERMOSTAT
2Using your personalized comfort
schedule as a guide, press the UP and
DOWN buttons to set the time for the
indicated time period.
3Press the SET TIME/TEMP button.
The word HEAT flashes on the display.
NOTE: Pressing the SET TIME/TEMP button
allows you to select between HEAT, COOL and
TIME settings.
4Press the UP and DOWN buttons
to adjust the heating temperature setting to
match your personalized comfort schedule.
5Press the SET TIME/TEMP button to
select the cooling temperature setting for this
time period.
6