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Honeywell Round T8700C Owner's Manual

An electronic programmable thermostat
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An Electronic Round

Programmable Thermostat




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  Summary of Contents for Honeywell Round T8700C

  • Page 1: Programmable Thermostat

    T8700C An Electronic Round ™ Programmable Thermostat OWNER’S GUIDE 69-1099 69-1099...
  • 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 temperature settings.
  • Page 3: Setting Fan And System Switches

    Both heating and cooling are off. HEAT: Normal setting for months when your home needs heating. Digital display shows a flame PROGRAMMING The thermostat is already programmed for your convenience with the time and temperature settings in Table 1. when heating is on. 69-1099...
  • Page 4 Table 1. Preprogrammed Time/Temperature Settings. Start Heating Period Time Setpoint WAKE 6:00 70 F (21 C) SLEEP 10:00 62 F (16.5 C) WAKE is the time period you want the house at a comfortable temperature during the day. Cooling SLEEP is the time period you can set for an Setpoint energy-savings temperature while you are sleeping.
  • Page 5 To change the preprogrammed time/tempera- ture settings, follow steps 2 through 6. If not, press the key until End is displayed or the thermostat will automatically return to normal operational mode within five minutes. until End is to set current time.
  • Page 6: Set Sleep

    SLEEP time. 5. Set SLEEP Temperature. Press Press to set desired SLEEP temperature. 6. Run Program Press End is displayed for five seconds indicating the end of program- ming. The thermostat then displays current time and room temperature. 69-1099...
  • Page 7: Operating Your Thermostat

    Press until desired tempera- ture is displayed. NOTE: To cancel your TEMPORARY change, Hold Function. To hold the thermostat at one temperature indefinitely, program both WAKE and SLEEP to the same temperature. TEMPORARY is displayed. The TEMPORARY change is TEMPORARY...
  • 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. You can also save energy during the cooling season by automatically raising the temperature setting during the day before you leave for work or school.
  • Page 9: Troubleshooting Guide

    Damage to compressor possible. Do not operate cooling if outdoor temperature is below 50 F (10 C). Refer to manufacturer recommenda- tions. IMPORTANT Temporary protection delay protects compressor; the thermostat allows the compressor to remain off for five minutes before restarting. 69-1099...
  • Page 10 Temperature setting is too warm or too cool. If you have any questions concerning this thermostat, call Honeywell Customer Assistance at 1-800-468-1502, Monday - Friday, 7:00 am - 5:30 pm, Central time. For service, contact your local heating and cooling contractor:...
  • Page 11 69-1099...
  • Page 12 Honeywell Inc. Honeywell Plaza P.O. Box 524 Minneapolis, MN 55408-0524 69-1099 8-97 R.T. Copyright ©1997 Honeywell Inc. All Rights Reserved Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 ® U.S. Registered Trademark Helping You Control Your World Printed in U.S.A.