Honeywell T8131C User Manual

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Programmable Thermostat
OWNER’S GUIDE
Programmable Heat and/or Cool
Thermostat and Mounting Plate
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Weekday/Weekend
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Welcome to the world of comfort and energy savings with your new Honeywell Trol-A-Temp® programmable thermostat.
Your new T8131 Thermostat is designed to provide you with reliable, precise temperature control. By following the simple programming instructions in this manual, your thermostat will
automatically control the temperature in your home. Temperature control saves energy and allows 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.
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Table of Contents
Programming Thermostat ............................................................................................................... 4
Program Schedule .......................................................................................................................... 6
T8131C Programming Guide .......................................................................................................... 8
Setting Fan and System Switches .................................................................................................. 12
Installing Batteries........................................................................................................................... 13
Troubleshooting Guide.................................................................................................................... 15
Limited One-Year Warranty.................................................................................... Inside Back Cover
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Page
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Programming Thermostat
NOTE: When batteries are installed, your
T8131 Thermostat can be pro­grammed in your hand (armchair programming), or when it is mounted on the wall. Batteries are not required for normal thermostat operation; however, installed batteries are recommended to retain your personal temperature program in memory if ac power is lost. See Installing Batteries section.
When you program the thermostat, set one schedule for weekdays and another for week­ends, because your temperature requirements 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.
Four time periods are available during week­days —WAKE, LEAVE, RETURN, and SLEEP. View these periods individually on the display when you press the Set Schedule key.
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.)
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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.)
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.)
Select SLEEP if you want an energy-saving temperature while you are sleeping. (For more comfortable sleeping, some people choose not to raise the cool temperature during the night.)
Fill in the times and temperatures you desire for weekdays and weekends. 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. 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.
NOTE: Using sharp fingernails or pencil
points can damage the keypad.
If you make an error at any time during programming, just press the Run Program key, and continue again at the last step.
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Program Schedule
HEATING PROGRAM SCHEDULE
Weekdays Start Time Heating Temperature
WAKE
1
2
LEAVE RETURN
1
SLEEP
Weekends
WAKE
1
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.
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The temperatures cannot be set any higher than 88°F (31°C) or any lower than 45°F (7°C).
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COOLING PROGRAM SCHEDULE
Weekdays Start Time Heating Temperature
WAKE
1
2
LEAVE RETURN
1
SLEEP
Weekends
WAKE
1
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 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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T8131C Programming Guide
NOTE: Batteries are required only for armchair programming, and to retain your personal tem-
perature schedule in memory if ac power is lost. When replacing batteries, set the system switch to OFF. Remove the battery door (on the thermostat left side) using a coin at the bottom. Follow instructions in Installing Batteries section.
Set Current Time/Day
To set time, press and release once, and press until current time shows; to set
day, press and release again, and press until current day shows; then press .
Set
Clock/Day
Heating Program
With system switch at HEAT, press and release once. WAKE, MON-FRI and SET appear on display.
Set
Clock/Day
Ahead
Back
Weekday Schedule
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Ahead
Back
Run
Program
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Ahead
Warmer
Press to program WAKE time and to program WAKE temperature for Mon-Fri.
Back
Cooler
Repeat sequence for LEAVE, RETURN, and SLEEP.
Press until SAT SUN, WAKE and SET appear on display. Press to program
Weekend Schedule
Warmer
Ahead
Back
WAKE time and press to program WAKE temperature for Sat-Sun. Repeat sequence for SLEEP.
Cooler
Cooling Program
With system switch at COOL, follow the same instructions as for the Heating Program. After programming, adjust fan and system switches, as desired. Press and release to start
the program.
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Run
Program
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A quick guide for operating or making changes follows:
Warmer
Cooler
NOTE: Set system switch to HEAT or COOL to perform the following:
Temporarily Change temperature for current period only—press ; temperature cancels itself at next scheduled change; to cancel sooner, press .
Hold a temperature indefinitely—press , ; to cancel, press .
Hold
Temp
Check Current Temperature Setting—press .
Check Programspress then repeatedly to see each time and temperature; then
press .
Run
Program
Weekday Schedule
Weekend Schedule
Warmer
Cooler
Present
Setting
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Run
Program
Run
Program
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Cancel a program—press then until program to cancel shows; then
Weekday Schedule
Weekend Schedule
press .
Check Usage press to determine length of time heat or air conditioning has been on
Clear
Usage
since midnight; press again for yesterday’s usage, and again for cumulative usage. Press to clear cumulative reading, if desired; then press .
Clear
Run
Program
Permanently Change a program—repeat steps in Heating Program or Cooling Program sections (pages 5 and 6), as applicable.
Return to normal program or start program —press .
Run
Program
Questions?
Call Honeywell Customer Assistance
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1-800-468-1502.
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Setting Fan and System Switches
First set the fan switch.
AUTO: Normal setting for most
homes. A single-speed fan turns on automatically with the air conditioner or furnace. A two-speed fan usually runs on high with the air conditioner and runs on low with the furnace.
ON: The fan runs continuously.
Use for improved air circulation during special occasions or for more efficient electronic air cleaning.
Auto On
Auto On
Then set the system switch.
COOL: The thermostat controls
your air conditioning system.
OFF: Both the heating and air
conditioning systems are off.
HEAT: The thermostat controls
your heating system.
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HeatCool Off
HeatCool Off
HeatCool Off
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Installing Batteries
IMPORTANT
Batteries are required only for armchair programming and to retain your personal temperature schedule in memory if ac power is lost.
• Use two AA alkaline batteries; nonalkaline batteries do not last as long. We recom­mend Energizer® batteries.
• Make sure the thermostat is set to the OFF position.
• Use a coin to remove the battery door.
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REMOVING BATTERY DOOR
M1719C
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To remove the batteries, press down on the left ends of the batteries. If you insert new batteries within 20 to 30 seconds of removing the old ones, the thermostat does not require repro­gramming. 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.
• Replace the batteries once a year to assure memory retention if ac power is lost.
INSTALL TWO AA ALKALINE BATTERIES AS SHOWN
POWER
M9203
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Troubleshooting Guide
IF THEN Display will not come on. Check that the green light emitting diode (LED)
located to the left of the LCD is lit, indicating the thermostat is powered properly.
Temperature display will not go lower The temperature setting limit was reached. The setting than 45 (31°C) during programming.
Temperature change occurs at the Verify the program times for the period. Be sure that wrong times. AM and PM indications are correct. Make sure the current
Heating will not come on. Check that the green LED is lit.
°F (7°C) or higher than 88°F range is 45°F to 88°F (7°C to 31°C).
day and time are correct. Reprogram if necessary .
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). ■ If temperature setting is higher than the current
temperature and displays HEA T, contact Honeywell Customer Assistance at 1-800-468-1502.
Cooling will not come on. Check that the green LED is lit.
Check that the switch on the thermostat is set to COOL.
Check the system fuse or circuit breaker and replace
or reset, if necessary.
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 temperature setting is lower than current tempera­ture and displays COOL, move the system switch from COOL to OFF for ten minutes. After ten minutes, return the switch to the COOL 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 the
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Cooling will not come on (Cont). ten minutes and displays COOL, contact the
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 Allow time for the furnace to heat up and the fan to heat is coming from the registers. come on before checking for heat at the register.
The furnace or air conditioner On Contact your heating or air conditioner contractor. If cycle is too short or too long. further assistance is needed, call Honeywell Customer
Assistance at 1-800-468-1502.
The current thermostat Be aware that it is normal for the current setting setting does not match the and display temperature to differ occasionally. display temperature.
bAt Lo
remains on display after Remove batteries. Wait one hour. Install fresh alkaline
fresh batteries are installed. 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
30% 28% 26% 24% 22% 20% 18% 16% 14% 12% 10%
8% 6%
Approximate percentage of energy cost savings
4% 2%
Edmonton Regina Winnipeg
Calgary
Halifax Vancouver Denver Moncton North Bay Quebec St. John's
Minneapolis St. Paul Montreal Ottawa Toronto
Thermostat patents pending.
Buffalo Cleveland Milwaukee
Savings for Twice-A-Day 10°F (5°C) decrease*
Cincinnati Kansas City St. Louis Columbus
New York Philadelphia Seattle
Boston
Des Moines
Chicago
Omaha
Detroit
Salt Lake
Pittsburgh
City
Indianapolis
*Based on 10°F (5°C) decrease—(5°F (3°C) decrease gives approximately 55 percent of these savings).
Savings for 5°F (3°) summer increase
Louisville Portland Wash., D C
San Francisco
Dallas Atlanta
Los Angeles
San Diego
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, Monday­Friday, 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).
69-0908—1 Rev. 5-96 J.S. Printed in Mexico Copyright © 1996 Honeywell Inc. All Rights Reserved
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