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Honeywell T8131C Owner's Manual

Weekday/weekend programmable heat and/or cool thermostat and mounting plate
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T8131C

Programmable Thermostat

OWNER'S GUIDE
Weekday/Weekend
Programmable Heat and/or Cool
Thermostat and Mounting Plate
1
69-0908-1
69-0908—1

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  Summary of Contents for Honeywell T8131C

  • Page 1: Programmable Thermostat

    T8131C Programmable Thermostat OWNER’S GUIDE Weekday/Weekend Programmable Heat and/or Cool Thermostat and Mounting Plate 69-0908-1 69-0908—1...
  • Page 2 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.
  • Page 3: Table Of Contents

    Table of Contents Page 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 69-0908—1...
  • Page 4: Programming Thermostat

    See Installing Batteries section. When you program the thermostat, set one schedule for weekdays and another for week- ends, because your temperature requirements probably vary. (During weekends, only the WAKE and SLEEP time periods are available.)
  • Page 5 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...
  • Page 6: Program Schedule

    Program Schedule Weekdays WAKE LEAVE RETURN SLEEP Weekends WAKE SLEEP 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 any lower than 45 F (7 C). HEATING PROGRAM SCHEDULE Start Time Heating Temperature...
  • Page 7 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.
  • Page 8: 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.
  • Page 9 Ahead Press to program WAKE time and Back Repeat sequence for LEAVE, RETURN, and SLEEP. Weekend Press until SAT SUN, WAKE and SET appear on display. Press Schedule Warmer WAKE time and press 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.
  • Page 10 A quick guide for operating or making changes follows: NOTE: Set system switch to HEAT or COOL to perform the following: Temporarily Change temperature for current period only—press itself at next scheduled change; to cancel sooner, press Hold a temperature indefinitely—press Check Current Temperature Setting—press Check Programs—press press...
  • Page 11 Return to normal program or start program —press Weekend Weekday then until program to cancel shows; then Schedule Schedule to determine length of time heat or air conditioning has been on Program Program Questions? Call Honeywell Customer Assistance 1-800-468-1502. 69-0908—1...
  • Page 12: Setting Fan And System Switches

    ON: The fan runs continuously. Use for improved air circulation during special occasions or for more efficient electronic air cleaning. Then set the system switch. Auto COOL: The thermostat controls your air conditioning system. OFF: Both the heating and air conditioning systems are off.
  • Page 13: Installing Batteries

    • Use two AA alkaline batteries; nonalkaline batteries do not last as long. We recom- mend Energizer® batteries. • Make sure the thermostat is set to the OFF position. • Use a coin to remove the battery door. REMOVING...
  • Page 14 If you insert new batteries 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.
  • Page 15: Troubleshooting Guide

    AM and PM indications are correct. Make sure the current day and time are correct. Reprogram if necessary. Check that the green LED is lit. Check that the switch on the thermostat is set to HEAT. Check the system fuse or circuit breaker and replace or reset, if necessary.
  • Page 16 Heating will not come on (Cont). Cooling will not come on. If temperature setting is higher than the current temperature and displays HEAT, contact Honeywell Customer Assistance at 1-800-468-1502. Check that the green LED is lit. Check that the switch on the thermostat is set to COOL.
  • Page 17 Allow time for the furnace to heat up and the fan to come on before checking for heat at the register. Contact your heating or air conditioner contractor. If further assistance is needed, call Honeywell Customer Assistance at 1-800-468-1502. Be aware that it is normal for the current setting and display temperature to differ occasionally.
  • Page 18 Edmonton Calgary Halifax Vancouver Regina Moncton St. Paul Montreal Winnipeg North Bay Quebec Ottawa Toronto St. John's Thermostat patents pending. Savings for Twice-A-Day 10°F (5°C) decrease* Buffalo Denver Boston Cincinnati New York Louisville Cleveland Des Moines Chicago Kansas City Philadelphia...
  • Page 19: Limited One-Year Warranty

    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.
  • Page 20 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).