T8131A,B Programmable Thermostat OWNER’S GUIDE Weekday/Weekend (5-day/ 2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Mounting Plate 69-1636-1...
Welcome to the world of comfort and energy savings with your new Honeywell program- mable thermostat. By following the programing instructions in this manual, your new thermostat will automatically control the temperature in your home, keeping you comfortable while saving energy.
Table of Contents Page Program the Thermostat ......................... 4 Adjust Fan Operation Switch ......................13 Adjust System On-Time, °F/°C ......................13 Set Fan and System Switches ......................18 Install Batteries ..........................19 Troubleshooting Guide ........................21 Limited One-Year Warranty ......................22 Customer Assistance ........................
time periods are available. These periods can Program the Thermostat be seen individually on the display as you press the Set Schedule key. When batteries are installed, your thermostat can be programmed in your hand, before it is WAKE is the time period you want the house at mounted on the wall.
at work or school. (This will be a lower tem- sleeping. (Again, lower for heating or higher for perature during heating season, or a higher cooling. For more comfortable sleeping, some temperature during cooling season.) homeowners choose not to raise the cool temperature during the night.) RETURN is the time period you want the house at a comfortable temperature for...
NOTE: Using sharp fingernails or pencil it. For example, a house that is occupied during points can damage the keypad. weekdays would only require programs for WAKE and SLEEP. If you make an error at any time during programming, press the Run Program key and Before programming, remove the clear plastic continue again at the last step.
Program Schedule HEATING PROGRAM SCHEDULE Weekdays Start Time Heating Temperature 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).
COOLING PROGRAM SCHEDULE Weekdays Start Time Cooling Temperature 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).
This guide can be used for programming your new thermostat. NOTE: Batteries are required for operation and programming. When inserting 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 on pages 16 and 19. Time Set Current Time/Day Ahead...
Time Temp Ahead Warmer to program WAKE time and to program WAKE temperature for Mon-Fri. Back Cooler Time Repeat sequence for LEAVE, RETURN, and SLEEP. Ahead Press until SAT, SUN, WAKE and SET appear on the display. Use to program Schedule Back Temp...
A quick guide for operating or making changes follows: NOTE: Set system switch to Heat or Cool to perform the following: Temp Warmer Temporarily Change temperature for current period only —press ; TEMPORARY Cooler indicator shows on display; this is cancelled at next scheduled change, or to cancel sooner, Temp press Program...
Check Programs—press repeatedly to see each time and temperature; then press Schedule Program Time Ahead Cancel a program—press until program to cancel shows; then press together. Schedule Back Permanently Change a program—Repeat steps in Heating Program or Cooling Program (page 9 and 10), as applicable.
setting DIP switches 1 and 2 on the back Adjust Fan Operation Switch of the thermostat. Use the heating system table on the thermostat back as a The thermostat fan operation switch, guide. labeled FUEL SWITCH (see illustration on page 14), is factory-set in the F position. Optimize the system on-time according to the This is the correct setting for most type of system to minimize room temperature...
NOTE: This thermostat does not THERMOSTAT BACK have a setting for steam/ gravity air. Cycles would DISPLAY F 3 - ON not be long enough for DISPLAY C 3 - OFF HEATING DIP SWITCH FUEL SWITCH SYSTEM POSITION POSITION accurate temperature OFF ON WARM AIR 1 - ON...
more efficient electronic air cleaning. (In a Set Fan and System Switches heat-only system, the fan runs continuously only when the fan relay is connected to the First set the fan switch. thermostat.) Auto AUTO: Normal setting for most homes. A single-speed fan turns Then set the system switch.
Replace the batteries as soon as possible after Install Batteries the indicator starts flashing. IMPORTANT After the batteries are completely dead, the Batteries must be installed for pro- bAt Lo indicator disappears, leaving the display gramming and operating the thermo- completely blank and the heating and/or stat and heating/cooling system.
To remove batteries, press down on the left ends INSTALL TWO AA ALKALINE of batteries. If you insert the new batteries within BATTERIES AS SHOWN 20 to 30 seconds of removing the old ones, you do not need to reprogram the thermostat. However, if the display is blank, the batteries are dead or incorrectly installed and you need to reprogram.
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 You have reached the temperature setting limit. °...
Check for correct wiring and good connections. If temperature setting is higher than current temperature and displays HEAT, contact Honeywell Customer Relations at 1-800-468-1502. Cooling will not come on. Check that the green LED is lit.
If the air conditioner does not come on after ten minutes and displays COOL, contact Honeywell Customer Relations at 1-800-468-1502. The house is too warm or too cool. Press Present Setting key to check the current temperature setting.
The furnace or air conditioner Contact your heating or air conditioner contractor. on-time is too short or too long. If further assistance is needed, call Honeywell Customer Relations at 1-800-468-1502. The thermostat’s current setting Check that the wiring hole in the wall behind the...
TYPICAL ENERGY SAVINGS FOR REPRESENTATIVE CITIES IN THE U.S. AND CANADA Savings for Once-A-Day Savings for Twice-A-Day Savings for 5°F (3°) 10°F (5°C) decrease 10°F (5°C) decrease* summer increase Minneapolis Edmonton Calgary Halifax Vancouver Buffalo Denver Boston New York Louisville Dallas Los Angeles San Diego...
Golden Valley, MN 55422 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.
Customer Assistance For all questions concerning this thermostat, please read and follow the instructions. If additional assistance is needed, call Honeywell Customer Relations toll-free at 1-800-468-1502. Before you call, please have the following information available—thermostat model number and date code, type of heating/cooling system (for example, hot water, warm air, oil, or gas), and number of wires connected to the thermostat.