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Honeywell B/Q682 Owner's Manual

Heating/cooling thermostat and subbase or heating or cooling thermostat and wallplate
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Heating/Cooling
Thermostat and Subbase or
Heating or Cooling Thermostat
and Wallplate
T8195A,B/Q682
OWNER'S MANUAL
69-0563-2

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  Summary of Contents for Honeywell B/Q682

  • Page 1 Heating/Cooling Thermostat and Subbase or Heating or Cooling Thermostat and Wallplate T8195A,B/Q682 OWNER’S MANUAL 69-0563-2...
  • 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. This thermostat meets California Title 24 requirements—mandatory installation of automatic setback thermostats in new heating and cooling systems. During heating and cooling, this 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 PAGE Features Of Your Thermostat ... 4 Setting The Temperature ... 7 Setting Subbase Switches ... 8 Inserting Timer Backup Batteries ... 9 Setting The Timer ... 10 Programming ... 11 Troubleshooting ... 14 Servicing The Thermostat ... 21 Warranty ...
  • Page 4: Features Of Your Thermostat

    Features Of Your Thermostat 1 FLIP-UP COVER. Lift it up to set timer for energy savings and comfort temperature periods. 2 THERMOSTAT COVER. Lift up to adjust timer. 3 THERMOMETER. Provides accurate room temperature reading. 4 TEMPERATURE SETTING LEVERS. Left (blue mark) controls the low temperature, right (red mark) controls the high temperature.
  • Page 5 11 MERCURY BULB AND BIMETAL ELEMENT (2). Provide automatic temperature control by switching the heating or cooling system on and off. M8745 12 WALLPLATE. Provides mounting base and wiring connections for heating or cooling thermostat without system or fan switching. M8744 69-0563—2...
  • Page 6 13 Q682 SUBBASE. Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat. COOL AUTO HEAT M1551 69-0563—2...
  • Page 7: Setting The Temperature

    Setting The Temperature For Heating Set the left lever (blue mark) to the energy savings temperature you want when you are sleeping or your home is unoccupied. Set the right lever (red mark) to the tem- perature 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: Setting Subbase Switches

    The subbase fan switch controls fan operation as follows: ON—Fan operates continuously. AUTO—Fan operates with cooling equipment as contolled by the thermostat or with the heating equipment as controlled by the thermostat in heating and cooling. To switch positions, use thumb or index finger to slide lever to desired position.
  • Page 9: Inserting Timer Backup Batteries

    Install the batteries in the 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 10: Setting The Timer

    Setting The Timer Lift thermostat flip-up cover and you will find the 24-hour program dial, slotted in 10-minute increments. Adjust the timer to the current time by carefully turning the knob clockwise reverse the knob. When time is correctly set, the Time Indicator Arrow (See Fig.
  • Page 11: Programming

    (Fig. 4) are for the program pins which can be inserted at ten-minute intervals. Three red and three blue program pins are included with your thermostat. The red pins start the high-temperature period; the blue pins start the low-temperature period. A heating program has been preprogrammed.
  • Page 12 To change the pins or add a new energy savings period— • To insert a pin, push it straight into the selected notch on the program dial until it’s completely seated. • To remove a pin, press against program dial and pull the pin straight out.
  • Page 13 Decide when you want the energy savings blue period to start and insert a that corresponds to this time. After the blue pin engages, the furnace will be off until room temperature drops to the energy savings setpoint. You can set both a day and night program. See Fig.
  • Page 14: Troubleshooting

    Troubleshooting Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following: Problem No heat. — system switch. May be in OFF or COOL position. — fuse or circuit breaker. — furnace power switch. May be Off.
  • Page 15 Temperature change — programs pins for correct time occurs at the wrong locations. time. Room temperatures — positions of thermostat setpoint are not correct. levers. — position of subbase system switch (heating-cooling model). Check Contact a qualified service technician for assistance.
  • Page 16 Troubleshooting (continued) Problem Room temperatures — thermostat circuits. are not correct (continued). Check HEATING-ONLY SYSTEM—Move temp- erature setting levers 5°F (3°C) above room temperature. Heating system should start. If the system does not operate, call a qualified service technician. COOLING-ONLY SYSTEM—Move temp- erature setting levers 5°F (3°C) below room...
  • Page 17 HEAT position. — fuse or circuit breaker. — condenser switch position. Located outdoors and may be turned OFF. — Y and R thermostat connections. — other Timer is losing time. — Power. May be interrupted. Make sure power is On.
  • Page 18 — voltage across the C and R terminals. Check Wire separate transformer to power clock. Replace filter and reset clock. Remove the thermostat from the wallplate or subbase, and measure the voltage. Refer to page 19 for cause and action. Action (continued)
  • Page 19 Not applicable on model used in cooling-only system. If this Troubleshooting section has not solved the problem, call a qualified service technician or Honeywell Customer Assistance Center, Honeywell Inc., P.O., Box 524, Minneapolis, MN 55440-0524 or call 1-800-468-1502, Monday-Friday, 7:00 a.m. to 5:30 p.m., Central time.
  • Page 20 2. Additional (separate) transformer used to power the timer has inadequate voltage. 15 to 30 Vac. 1. Spring fingers on thermostat not making proper contact with subbase terminals. 2. Timer has failed. Possible Cause Check Action 1.
  • Page 21: Servicing The Thermostat

    Remove thermostat cover and open the flip- up cover. Set the thermostat cover on a table near thermometer of known accuracy. Allow at least five minutes for cover ther- mometer to sense area temperature, then compare the readings.
  • Page 22 For all questions concerning this thermostat, please read and follow the instructions. If additional assistance is needed, call our toll-free Customer assistance Center group number 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: make and model of furnace, thermostat and air conditioner.
  • Page 23: Warranty

    Limited One-Year Warranty Honeywell warrants this product 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 24 Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 D.F. ©Honeywell Inc. 1994 Honeywell Limited—Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 Rev. 12-94 Form Number 69-0563—2 M3375...

This manual is also suitable for:

T8195aQ682T8195bB682