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Honeywell T8700B Owner's Manual

An electronic round programmable thermostat
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An Electronic Round

Programmable Thermostat




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  Summary of Contents for Honeywell T8700B

  • Page 1: Programmable Thermostat

    T8700B An Electronic Round ™ Programmable Thermostat OWNER’S GUIDE 69-1181 69-1181...
  • Page 2 Congratulations on the purchase of your new thermostat! Over 100 years of Honeywell engineering expertise went into the making of this thermostat in an effort to provide you with a more comfortable and convenient living environment. • Simple and Easy to Use. The keys make it easy for you to change your time and temperature settings.
  • Page 3 SETTINGS Then set the Heat System switch: HEAT: Use normal setting for months when Setting Fan and your home needs heating. Digital display shows a flame when Heat System Switches heating is on. To control the Fan and Heat settings, adjust the OFF: Heating is off.
  • Page 4 Preprogrammed Time and PROGRAMMING Temperature settings. To use the preprogrammed Time and Tempera- The thermostat is already programmed for your ture setting you must first set the current time. convenience with time and temperature settings. See Table 1. 1. To set the current time: Table 1.
  • Page 5 To change the preprogrammed Time Use the keys to set your and Temperature settings follow steps desired WAKE time. The WAKE 1 through 6. time is now set. 1. Set the current 3. Set your WAKE time. temperature. Press the Press the key once.
  • Page 6 4. Set your SLEEP 6. Run program. time. Press key once. Press the You have key once. You will see a flashing completed SLEEP time. your program Use the keys to set your changes. desired SLEEP time. The SLEEP End is time is now set.
  • Page 7: Operating Your Thermostat

    TEMPORARY is displayed. OPERATING YOUR The TEMPORARY THERMOSTAT change is TEMPORARY in effect until the Display Temperature Setting next pro- gram period. Press once NOTE: To cancel your TEMPORARY change, to display present press until End is displayed. temperature setting. After approximately Hold Function five seconds, the thermostat displays the...
  • Page 8: Energy Savings

    ENERGY SAVINGS You can save energy with this thermostat during the heating season by automatically lowering the temperature setting 5°F (3°C) to 10°F (5°C) at night. PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5°C) DECREASE* HEAT 6 TO 9 TO 11% 12 TO 13%...
  • Page 9 Symptom Corrective Action Heating does not come on. Check that the heat setpoint is above room temperature. Check that the system switch on the thermostat is set to HEAT. Check the system fuse or circuit breaker and replace or reset if necessary.
  • Page 10 If you have any questions concerning this thermostat, please visit our website at, or call the 24-hour automated information line at 1-800-468-1502. For service, contact your local heating and cooling contractor: 69-1181...
  • Page 11 69-1181...
  • Page 12 P.O. Box 524 North York, Ontario Printed in U.S.A. on recycled Minneapolis, MN 55408-0524 M2H 3N7 paper containing at least 10% post-consumer paper fibers. Copyright ©1998 Honeywell Inc. All Rights Reserved ® U.S. Registered Trademark 69-1181 69-1181 5-98 D.S.