T8132C Programmable Thermostat
OWNER’S GUIDE
Weekday/Weekend Programmable
Heat and/or Cool Thermostat
and Mounting Plate
69-0786-2
Table of Contents
Page
Programming Thermostat ...............................................................................................................
Program Schedule ..........................................................................................................................
T8132C Programming Guide ..........................................................................................................
4
6
8
Setting Fan and System Switches .................................................................................................. 12
Changing Batteries.......................................................................................................................... 13
Troubleshooting Guide .................................................................................................................... 15
Limited One-Year Warranty .................................................................................... Inside Back Cover
IMPORTANT
Although the thermostat has a low
As a precaution, when leaving home for longer
than a month, change batteries before you
leave to prevent the system from shutting down
due to lack of battery power.
battery indicator, replace the batteries
once a year to prevent the thermostat
and heating/cooling system from
shutting down due to lack of battery
power.
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Select WAKE if you want the house at a
comfortable temperature when you get up,
while you get ready for work or school. When
deciding what time to set for your WAKE
period, include extra lead time, depending on
the outside temperature and your furnace
response time, to give the furnace a head start
to heat the house before you get up. (This will
be a higher temperature during heating
season, or a lower temperature during cooling
season.)
Programming Thermostat
When you program the thermostat, set one
schedule for weekdays and another for
weekends, because your temperature require-
ments probably vary. (During weekends, only
the WAKE and SLEEP time periods are
available.)
Use the personal Program Schedule for
planning your program schedule of time and
temperature settings for various times of the
day.
Select LEAVE if you want an energy-saving
temperature while you are away at work or
school. (This will be a lower temperature during
heating season, or a higher temperature during
cooling season.)
Four time periods are available during week-
days—WAKE, LEAVE, RETURN, and SLEEP.
View these periods individually on the display
when you press the Set Schedule key.
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Select RETURN if you want the house at a
comfortable temperature for activities before
bedtime. When deciding what time to set for
your RETURN period, include extra lead time,
depending on the outside temperature and
your furnace response time, to give the furnace
a head start to heat the house before you
arrive home. (Again, higher for heating or lower
for cooling.)
controls heating at 68°F (20°C) and cooling at
78°F (26°C), 24 hours a day. Also, you do not
need to enter a time and temperature program
for all periods if your schedule does not require
it. For example, a house that is occupied
during weekdays would not require programs
for LEAVE and RETURN.
When pressing the keys, use the ball of your
finger or a soft pencil eraser.
Select SLEEP if you want an energy-saving
temperature while you are sleeping. (For more
comfortable sleeping, some homeowners
choose not to raise the cool temperature during
the night.)
NOTE: Using sharp fingernails or pencil
points can damage the keypad.
If you make an error at any time during
programming, press the Run Program key,
and continue again at the last step.
Fill in the times and temperatures you desire
for weekdays and weekends. If you decide not
to program the thermostat, it automatically
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Program Schedule
Weekdays
HEATING PROGRAM SCHEDULE
Start Time Heating Temperature
2
1
WAKE
LEAVE
RETURN
1
SLEEP
Weekends
1
WAKE
SLEEP
1
WAKE and RETURN start times should include extra lead time, based on outside temperature
and furnace response time, to give your furnace a head start to heat the house.
2
The temperatures cannot be set any higher than 88°F (31°C) or set any lower than 45°F (7°C).
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COOLING PROGRAM SCHEDULE
Start Time Heating Temperature
2
Weekdays
WAKE
1
LEAVE
RETURN
SLEEP
1
Weekends
1
WAKE
SLEEP
1
2
WAKE and RETURN start times should include extra lead time, based on outside temperature
and furnace response time, to give your furnace a head start to heat the house.
The temperatures cannot be set any higher than 88°F (31°C) or set any lower than 45°F (7°C).
NOTE: If you decide not to program the thermostat, it automatically controls heating at 68°F
(20°C) and cooling at 78°F (26°C), 24 hours a day.
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T8132C Programming Guide
NOTE: Batteries are required for operation and programming. When replacing the batteries, set
the system switch to OFF. Remove the battery door (on the thermostat left side) using a
coin at the bottom. Follow the instructions in Changing Batteries section.
Ahead
Back
Set Current Time/Day
To set time, press and release
Set
Clock/Day
once, and press
until current time shows; to set the
Ahead
Set
day, press and release
Clock/Day
Run
Program
again, and press
until current day shows; then press
.
Back
Heating Program
With the system switch at HEAT, press and release
appear on display.
Weekday
Schedule
once. WAKE, MON-FRI and SET
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Ahead
Back
Warmer
Cooler
Press
to program the WAKE time and press
to program the WAKE temperature
for MON-FRI. Repeat the sequence for LEAVE, RETURN, and SLEEP.
Ahead
Back
Weekend
Schedule
Press
until SAT SUN, WAKE and SET appear on the display. Press
to program WAKE
Warmer
time and press
to program WAKE temperature for Sat-Sun. Repeat the sequence for SLEEP.
Cooler
Cooling Program
With the system switch at COOL, follow the same instructions as for Heating Program.
Run
Program
After programming, adjust fan and system switches, as desired. Press and release
the program.
to start
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A quick guide for operating or making changes follows.
NOTE: Set system switch to HEAT or COOL to perform the following:
Warmer
Temporarily Change temperature for current period only—press
; temperature is
Cooler
Run
Program
cancelled at next scheduled change; to cancel sooner, press
.
Warmer
Hold
Run
Program
Hold a temperature indefinitely—press
,
; to cancel, press
.
Temp
Cooler
Present
Setting
Check Current Temperature Setting—press
.
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Weekday
Schedule
Weekend
Schedule
Check Programs—press
,
repeatedly to see each time and temperature; then
Run
Program
press
.
Weekend
Schedule
Weekday
Schedule
Clear
Cancel a program—press
,
until program to cancel shows; then press
.
Usage
Check Usage — press
to determine length of time heating or air conditioning has been on
Clear
since midnight; press again for yesterday’s usage, and again for cumulative usage; press
to
Run
Program
clear cumulative reading, if desired; then press
.
Permanently Change a program—repeat steps in Heating Program or Cooling Program sections
(page 5 and 6), as applicable.
Run
Program
Return to normal program or start program —press
.
Questions?
Call Honeywell
Customer Assistance
1-800-468-1502.
11
Setting Fan and System Switches
Then set the system switch.
First set the fan switch.
AUTO: Normal setting for most
homes. A single-speed fan
turns on automatically with the
Cool
Off
Heat
Auto
On
COOL: The thermostat
controls your air
conditioning system.
air conditioner or furnace. A two-speed fan
usually runs on high with the air conditioner
and runs on low with the furnace.
Cool
Cool
Off
Off
Heat
Heat
OFF: Both the heating and
air conditioning systems
are off.
Auto
On
ON: The fan runs continuously.
Use for improved air circulation
during special occasions or for
HEAT: The thermostat controls
your heating system.
more efficient electronic air cleaning.
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possible after the indicator starts flashing. If
you do not replace the batteries when the
indicator light is flashing bAt Lo, the indicator
stops flashing. When the batteries are almost
completely dead, bAt Lo stays on without
flashing to indicate the thermostat and heating/
cooling system have stopped working.
Changing Batteries
IMPORTANT
Batteries are required for program-
ming and operation of the thermostat
and heating/cooling system.
As the batteries run
low, bAt Lo
indicator
flashes
for one
to two
months
before
the batteries
run out com-
pletely. Replace the
batteries as soon as
After the batteries are completely dead, the bAt
Lo indicator disappears, leaving a completely
blank display.
•
Use two AA alkaline batteries; nonalkaline
batteries do not last as long. We recom-
mend Energizer® batteries.
REMOVING
BATTERY
DOOR
•
•
Make sure the thermostat is set to the OFF
position.
Use a coin to remove the battery door.
M1719C
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69-0786—2
INSTALL TWO AA ALKALINE
BATTERIES AS SHOWN
To remove batteries, press down on the left
ends of the batteries. If you insert new batter-
ies within 20 to 30 seconds of removing the old
ones, the thermostat does not require repro-
gramming. However, if the display is blank, the
batteries are dead or incorrectly installed and
the thermostat requires reprogramming.
•
Install the fresh batteries, as shown, making
sure positive and negative terminals are
oriented correctly.
•
Replace the battery door.
M1713
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Troubleshooting Guide
IF…
THEN…
Display will not come on.
■ Set the system switch to OFF; remove batteries and
insert them backward for at least five seconds to reset
the thermostat; replace the batteries correctly. The
display should come on.
■ Make sure the batteries are fresh and installed correctly.
Temperature display will not go
lower than 45°F (7°C) or higher than
88°F (31°C) during programming.
■ The temperature setting limit was reached. The
setting range is 45°F to 88°F (7°C to 31°C).
Temperature change occurs at the
wrong times.
■ Verify the program times for the period. Be sure that
AM and PM indications are correct. Make sure the current
day and time are correct. Reprogram, if necessary.
Heating will not come on.
■ Check that the switch on the thermostat is set to HEAT.
■ Check the system fuse or circuit breaker and replace or
reset, if necessary.
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Heating will not come on (Cont).
Cooling will not come on.
■ If display is blank or displays bAt Lo, install fresh
batteries.
■ If temperature setting is higher than current temperature,
and thermostat displays HEAT, contact Honeywell
Customer Assistance at 1-800-468-1502.
■ Check that the switch on the thermostat is set to
COOL.
■ Check the system fuse or circuit breaker and replace or
reset, if necessary.
■ If display is blank or displays bAt Lo, install fresh
batteries.
■ The thermostat has a built-in time delay on cooling.
Allow five to ten minutes after changing the setting
before the air conditioner starts.
■ If the temperature setting is lower than the current
temperature, and the thermostat displays COOL, move
the system switch from COOL to OFF for ten minutes.
After ten minutes, return the switch to the COOL
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Cooling will not come on (Cont).
position. If the air conditioner comes on, the compressor
could have reached its high limit temperature protection
and shut down. If the air conditioner does not come on
after ten minutes and displays COOL, contact Honeywell
Customer Assistance at 1-800-468-1502.
The house is too warm or too cool. ■ Press Present Setting key to check the current
temperature setting.
■ If desired, change the temperature setting. See
page 5.
SYSTEM ON indicator is lit, but no
heat is coming from the registers.
■ Allow time for the furnace to heat up and the fan to
come on before checking for heat at the register.
The current thermostat
setting does not match the
display temperature.
■ Be aware that it is normal for the current setting
and display temperature to differ occasionally.
bAt Lo remains on display after
fresh batteries are installed.
■ Remove the batteries. Wait one hour. Install fresh
alkaline batteries.
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TYPICAL ENERGY SAVINGS FOR REPRESENTATIVE CITIES IN THE U.S. AND CANADA
Savings for Once-A-Day
10°F (5°C) decrease
Savings for Twice-A-Day
10°F (5°C) decrease*
Savings for 5°F (3°)
summer increase
30%
28%
26%
24%
22%
20%
18%
16%
14%
12%
10%
8%
6%
4%
2%
Calgary
Halifax
Vancouver
Buffalo
Cleveland
Milwaukee
Denver
Des Moines Chicago
Boston
New York
Louisville
Portland
Wash., D C
San
Francisco
Dallas
Atlanta
Los Angeles
San Diego
Minneapolis Edmonton
Cincinnati
Kansas City Philadelphia
St. Louis
St. Paul
Montreal
Ottawa
Regina
Winnipeg
Moncton
North Bay
Quebec
Omaha
Salt Lake
City
Detroit
Pittsburgh
Indianapolis
Seattle
Columbus
Toronto
St. John's
*Based on 10°F (5°C) decrease—(5°F (3°C) decrease
gives approximately 55 percent of these savings).
M2416A
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Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a
period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions,
Honeywell shall repair or replace it (at Honeywell’s option) within a reasonable period of time.
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to the dealer or contractor from which you purchased it, or
(ii) package it carefully, along with proof of purchase (including date of purchase) and a short description of the malfunction, and mail it, postage
prepaid, to the following address:
Honeywell Inc.
Return Goods Department
1050 Berkshire Lane
Plymouth, MN 55441-4437
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or
malfunction was caused by damage which occurred while the product was in the possession of a consumer.
Honeywell’s sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL SHALL NOT BE LIABLE
FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR
INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states
do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED
WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED
TO THE ONE YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above
limitation may not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary from state to state.
If you have any questions concerning this warranty, please write our Customer Assistance Center, Honeywell Inc., P.O. Box 524, Minneapolis, MN
55440-0524 or call 1-800-468-1502, Monday-Friday, 7:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON30, Honeywell Limited/
Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 2C9.
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Toll-free Customer Assistance
For all questions concerning this thermostat, please read and follow the instructions. If additional
assistance is needed, call Honeywell Customer Assistance toll-free at 1-800-468-1502, Monday-
Friday, 7:00 a.m.-5:30 p.m. Central time.
Before you call, please have the following information available: Thermostat model number and
date code, and type of heating/cooling system (for example, hot water, warm air, oil and gas).
Home and Building Control
Honeywell Inc.
Helping You Control Your World
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
1985 Douglas Drive North
Golden Valley, MN 55422
M2H 2C9
69-0786—2 Rev. 5-96 J.S. Printed in Mexico
Copyright © 1996 Honeywell Inc. All Rights Reserved
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