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Honeywell T8195A manual

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Table of contents for the manual

  • Page 1

    Heating/Cooling Thermostat and Subbase or Heating or Cooling Thermostat and W allplate T8195A,B/Q682 OWNER’S MANUAL 69-0563-2[...]

  • Page 2

    2 69-0563—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 heatin[...]

  • Page 3

    3 69-0563—2 Ta b le Of Contents PAGE Features Of Your Thermostat .................................................................................................... ....... 4 Setting The Temperature ........................................................................................................ ......... 7 Setting Subbase Switches ......[...]

  • Page 4

    4 69-0563—2 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. 2 4 1 3 M8723 Features Of Y our Thermostat 1 FLIP-UP COVER. Lift it up to set timer for energy savings and comfort temperature periods. [...]

  • Page 5

    5 69-0563—2 M8744 12 6 9 11 5 10 8 7 M8745 10 PIN SLOTS. Located on 24-hour dial at 10-minute intervals for program pin insertion. 11 MERCURY BULB AND BIMETAL ELEMENT (2). Provide automatic temperature control by switching the heating or cooling system on and off. 12 WALLPLATE. Provides mounting base and wiring connections for heating or cooling [...]

  • Page 6

    6 69-0563—2 13 Q682 SUBBASE. Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat. AUTO OFF COOL HEAT ON FAN B O W Y R G M1551 13[...]

  • Page 7

    7 69-0563—2 Setting The T emperature 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[...]

  • Page 8

    8 69-0563—2 Setting Subbase Switches (if applicable) The subbase system switch controls system operation as follows: HEAT—Heating system is controlled by the thermostat. Cooling system is Off. COOL—Cooling system is controlled by the thermostat. Heating system is Off. OFF— Both the heating and cooling systems are Off. If the fan switch is a[...]

  • Page 9

    9 69-0563—2 Inserting Timer Batteries (Optional) Power is supplied to the timer by the 24 Vac transformer. Two AAA alkaline backup batter- ies (not included) may be installed to supply power to the timer if power is interrupted due to power failure. Install the batteries in the thermostat as shown in Fig. 2. Once a year or when batteries are dead[...]

  • Page 10

    10 69-0563—2 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 Do not reverse the knob. When time is correctly set, the Time Indicator Arrow (See Fig. 3) will point to the correct time and corresp[...]

  • Page 11

    11 69-0563—2 Pr ogramming You can program your thermostat to automatically lower and raise the temperature one or more times every 24 hours. Before Setting Your Program Lift thermostat flip-up cover and you’ll find the 24-hour program dial. The slots on the program dial (Fig. 4) are for the program pins which can be inserted at ten-minute inter[...]

  • Page 12

    12 69-0563—2 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. Do not attempt to change a pin if it is engaged with the program index wheel. • On [...]

  • Page 13

    13 69-0563—2 Decide when you want the energy savings period to start and insert a blue pin at the notch 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. 5. for program examples. Setting the Cooling Prog[...]

  • Page 14

    14 69-0563—2 Tr oubleshooting Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following: (continued) 1 Problem Check Action No heat. — system switch. May be in OFF or COOL position. Move system switch to HEAT position. — fuse or circuit breaker. If blown or tripped, replace fuse or reset[...]

  • Page 15

    15 69-0563—2 Troubleshooting (continued) (continued) 2 Problem Check Action No heat (continued). — other problem. Contact a qualified service technician for assistance. Energy savings temperature program 12 hours off. — program dial for proper day or night phase. Turn timer ahead 12 hours. Move setting knob clockwise only. Rooms do not warm u[...]

  • Page 16

    16 69-0563—2 Troubleshooting (continued) (continued) Problem Check Action Room temperatures are not correct (continued). — thermostat circuits. 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-ONL[...]

  • Page 17

    17 69-0563—2 Troubleshooting (continued) (continued) Problem Check Action No cooling. — system switch. May be in OFF or HEAT position. Move switch to COOL position. — fuse or circuit breaker. If fuse is blown or breaker tripped, replace or reset. — condenser switch position. Located outdoors and may be turned OFF. Move to ON position. —Y [...]

  • Page 18

    18 69-0563—2 Troubleshooting (continued) (continued) Problem Check Action Timer is losing time (continued). — high limit control. If clock powered through system trans - former, power to clock and equipment may be Off on safety. Wire separate transformer to power clock. — filter. May be clogged. Safety limit on equipment may cut off power to [...]

  • Page 19

    19 69-0563—2 Troubleshooting (continued) Problem Check Action Thermostat setting and thermometer. — level position of thermostat. Reinstall thermostat subbase. Use a spirit level. reading disagree. — area around thermostat for drafts or radiant heat. Thermostat should be about 5 ft (1.5m) above floor on an inside wall. Contact qualified servi[...]

  • Page 20

    20 69-0563—2 Voltage at Timer Terminals Ac Voltage at C-R Terminals Possible Cause Check Action 0 Vac 1. System power is Off. 1. Restore power. 2. Short in timer power supply wiring. 2. Replace wiring. 3. Limit switch contacts stuck open. 3. Free or replace limit switch. 4. Transformer supplying power is burned out. 4. Replace transformer. Up to [...]

  • Page 21

    21 69-0563—2 Servicing The Thermostat Thermometer Adjustment The thermometer has been accurately calibrated at the factory and should only need adjustment if it has been dropped or mishandled. If the setpoint lever and the thermostat reading do not agree, follow the procedure below. Remove thermostat cover and open the flip- up cover. Set the the[...]

  • Page 22

    22 69-0563—2 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[...]

  • Page 23

    23 69-0563—2 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 replac[...]

  • Page 24

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