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Honeywell Q682 User Manual

Heating or cooling thermostat and wallplate or heating/cooling thermostat and subbase
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T8190A/191108AJ, Q682

Heating or Cooling

Thermostat and Wallplate
or Heating/Cooling
Thermostat and Subbase
D.F.
Rev. 9-94
©Honeywell Inc. 1994
Form Number 69-0643—1
M3375

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  Summary of Contents for Honeywell Q682

  • Page 1: Heating Or Cooling

    T8190A/191108AJ, Q682 Heating or Cooling Thermostat and Wallplate or Heating/Cooling Thermostat and Subbase D.F. Rev. 9-94 ©Honeywell Inc. 1994 Form Number 69-0643—1 M3375...
  • Page 2 Welcome… to the world of energy savings with your new Honeywell thermostat. The Honeywell name is your assurance of accurate control and reliable operation for years to come. Your new thermostat will automatically lower and raise the temperature in your home one or more times every 24 hours.
  • Page 3: Table Of Contents

    Table of Contents Features of Your Thermostat ... 4 Setting the Temperature ... 7 Inserting Timer Batteries ... 8 Setting the Timer ... 9 Programming ... 10 Setting Subbase Switches ... 13 Troubleshooting ... 14 Servicing the Thermostat ... 22 Cycle Rate Adjustment ...
  • Page 4: Features Of Your Thermostat

    Thermostat 1 FLIP-UP COVER. Lift it up to set clock for energy saving and normal temperature periods. 2 THERMOSTAT COVER. Lift up and remove to adjust heat anticipator. 3 THERMOMETER. Provides accurate room temperature reading. 4 TEMPERATURE SETTING LEVERS. Left...
  • Page 5 8 PROGRAM INDEX WHEEL. Controls high and low temperature at specific time of day as set by program pins. 9 PROGRAM PINS. Must be inserted into 24- hour timer dial slots to control program index wheel. 10 PIN SLOTS. Located on 24-hour dial at 10- minute intervals for program pin insertion.
  • Page 6 15 WALLPLATE (Included with thermostat.) Provides mounting base and wiring connections for heating-only or cooling-only thermostat. 16 SUBBASE (Optional, not included with thermostat; ordered separately.) Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat. See Setting Subbase Switches section for additional information.
  • Page 7: Setting The Temperature

    Setting the Temperature For Heating: Set the left lever (blue mark) to the energy saving temperature you want when you are sleeping or your home is unoccupied. Set the right lever (red mark) to the tempera- ture you want for normal comfort periods. NOTE: You may override the time program by setting both the red and blue levers to the same temperature setpoint.
  • Page 8: Inserting Timer Batteries

    24 Vac powering method. Install batteries in thermostat as shown in Fig. 2. Once a year or when batteries are dead, replace with two new AAA alkaline batteries. We recommend Energizer®...
  • Page 9: Setting The Timer

    Setting the Timer Lift thermostat flip-up cover and you’ll find the 24-hour program dial, slotted in 10-minute increments. Adjust the timer to the current time by carefully turning the knob clockwise . DO NOT reverse the knob. When time is correctly set, the time indicator...
  • Page 10: Programming

    The dial is slotted for the program pins that can be inserted at 10-minute intervals. Lift thermostat flip-up cover and you will find the 24-hour program dial. The slots on the program dial (Fig. 4) are for the program pins that can be inserted at 10-minute intervals.
  • Page 11 temperature (comfort period); a blue pin is inserted at 10:00 PM for low temperature (energy saving period). Two additional sets of pins are located in the program pin storage area. You can set up to six temperature changes with the pins supplied. We recom- mend at least five hours for each energy saving period.
  • Page 12 WINTER PROGRAM TEMPERATURE PIN IN CONTROL °F °C NIGHT BEGINS BLUE ENERGY 10:00 PM SAVING ENDS PERIOD 6:00 AM BEGINS BLUE ENERGY 7:30 AM SAVING ENDS PERIOD 4:00 PM Fig. 5—Programming examples. SUMMER To set the cooling program: PROGRAM TEMPERATURE PIN IN °F °C...
  • Page 13: Setting Subbase Switches

    ON—Fan operates continuously. AUTO—Fan operates with cooling equipment as controlled by the thermostat or with the heating equipment as controlled by the plenum fan switch. In electric heat, heat pump and fan coil systems, the fan is controlled by the thermostat in heating and cooling.
  • Page 14: Troubleshooting

    Troubleshooting Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following. Problem Check No heat. — System switch may be in OFF or COOL position. — Fuse or circuit breaker. — Furnace power switch may be OFF.
  • Page 15 Temperature — Program pins for correct time change occurs locations. at the wrong time. Room temperatures — Positions of thermostat set are not correct. point levers. — Position of subbase system switch (heating-cooling model). Action Turn timer ahead 12 hours. Turn...
  • Page 16 Troubleshooting (Continued) Problem Check Room — Thermostat circuits. temperatures are not correct (continued). Burner-on time — Anticipator setting. (See Fig. 6 too short. for anticipator location.) Burner-on time too — Anticipator setting. (See Fig. 6 long. for anticipator location.) Action Heating mode—Move temperature...
  • Page 17 HEAT position. — Fuse or circuit breaker. — Condenser switch position. Located outdoors and may be turned off. — Thermostat connections. Check for correct terminal hookups. Repair any frayed or broken wires. Firmly tighten all terminal screws. — Other.
  • Page 18 Action Reinstall thermostat wallplate or subbase. Use a spirit level. Thermostat should be about 5 ft [1.5m] above floor on an inside wall. Contact qualified service technician for change of location. See Thermometer Adjustment section.
  • Page 19 — Filter may be clogged. Safety limit on equipment can cut off power to system. Action Remove thermostat from the wallplate or subbase and measure the voltage. Refer to Voltage at Timer Terminals table for cause and reaction. Push down on pins to make sure they are completely seated in program dial.
  • Page 20 If timer is not battery powered, timer may still use batteries for backup. If this Troubleshooting section did not solve the problem, call a qualified service technician or the Honeywell Customer Assistance Center, 1-800-468-1502, Monday - Friday, 7:00 AM to 5:30 PM Central time for additional assistance.
  • Page 21 — Additional (separate) transformer used to power the timer has inadequate voltage. 15 to 30 Vac. — Spring fingers on thermostat not making proper contact with subbase terminals. — Timer has failed. Action — Restore power.
  • Page 22: Servicing The Thermostat

    The equipment should cycle on and off just enough to keep the room temperature close to the temperature lever settings. If the thermostat seems to cycle the heating system too fast or too slow, adjust the cycle rate by moving the anticipator setting lever one indicator mark at a time (Fig.
  • Page 23: Thermometer Adjustment

    Remove thermostat cover and open the flip-up cover. Set the thermostat cover on a table near a thermometer of known accuracy. Allow at least five minutes for cover thermom- eter to sense area temperature; then compare the readings.
  • Page 24 If you have questions regarding the installation and programming of your Honeywell thermostat, please visit our web site at www.honeywell.com/yourhome or call the 24-hour automated information line at 1-800-468-1502. 69-0643—1...
  • Page 25 69-0643—1...
  • Page 26 69-0643—1...
  • Page 27: 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.
  • Page 28 Home and Building Control Honeywell Inc. 1985 Douglas Drive No. Golden Valley, MN 55422 Printed in U.S.A. Home and Building Control Honeywell Limited/Honeywell Limitée 740 Ellesmere Road Scarborough, Ontario M1P 2V9 Helping You Control Your World www.honeywell.com/yourhome...

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