Honeywell Q682 User's Manual
Contents
1. 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 at the AUTO position the fan is also off ON In cooling only applications only cooling will operate In heating only applications only heating will operate The subbase fan switch controls fan opera tion as follows 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 To switch positions use thumb or index finger to slide the lever to the desired position For proper circuit operation switch lever must stop in detent over desired function indicator mark 69 0643 1 Troubleshooting Your Honeywell thermostat requires little or no attention Most problems can generally be traced to the following Problem Check Action No heat A System switch may be in OFF Move system switch to HEAT position or COOL position Fuse or circuit breaker If blown or tripped replace fuse or reset breaker Furnace power switch may be OFF Move switch to ON Pilot flame may be out Relight pilot flame according to furnace manufacturer instructions Thermostat connection2. 5 ft 1 5m above floor on an inside wall Contact qualified service technician for change of location Calibration of thermometer See Thermometer Adjustment section Timer does not run Thermostat connections at the two C terminals If no A connections timer needs batteries in to run Batteries may not have been installed Batteries may need replacement Install as shown in Fig 2 Replace with two new AAA alkaline batteries as shown in Fig 2 lf new batteries are installed and timer still does not run Replace thermostat 18 continued 69 0643 1 Troubleshooting Continued Problem Check Action Timer does not run continued Voltage across the two C terminals Remove thermostat from the wallplate or subbase and measure the voltage Refer to Voltage at Timer Terminals table for cause and reaction Pins in program dial If pins are not completely seated in program dial jamming with index wheel can occur Push down on pins to make sure they are completely seated in program dial Timer loses time Power may be interrupted Make sure power is on Reset timer High limit control If timer powered through system transformer power to timer and equipment may be off on safety Wire separate transformer to power timer or install backup batteries as shown in Fig 2 Filter may be clogged Safety limit o
3. does not cover removal or reinstallation costs This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer Honeywell s sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some states do not allow the exclusion or limitation of incidental or consequential damages so this limitation may not apply to you THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT THE DURATION OF ANY IMPLIED WARRANTIES INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may have other rights which vary from state to state If you have any questions concerning this warranty please write our Customer Assistance Center Honeywell Inc P O Box 524 Minneapolis MN 55440 0524 27 69 0643 1 Honeywell Home and Building Control Honeywell Inc 1985 Douglas Drive No Golden Valley MN
4. the furnace time to heat the house before you awaken or arrive home Decide when you want the energy saving period to start and insert a blue pin at the notch that corresponds to this time After the blue pin engages the low temperature is in effect The furnace will be off until room temperature drops to the energy saving setpoint You can set both a day and a night program See Fig 5 for program examples 69 0643 1 WINTER SUMMER TEMPERATURE TEMPERATURE SE C PROGRAM PIN IN CONTROL 80 27 RED DAY SAVING 4 00 PM BEGINS BLUE M1690B Fig 5 Programming examples 12 To set the cooling program Decide when you want the temperature to reach the comfort level Find the notch on the dial that is one half hour before this time and insert a blue pin The low temperature is in effect The half hour head start gives the air conditioner time to cool the house before you awaken or arrive home Decide when you want the energy saving period to start and insert a red pin at the notch that corresponds to this time After the red pin engages the high temperature is in effect The air conditioner will be off until the room temperature rises to the energy saving setpoint 69 0643 1 Setting Subbase Switches if applicable The subbase system switch controls system operation as follows HEAT Heating system is controlled by the
5. 55422 Printed in U S A Home and Building Control Honeywell Limited Honeywell Limit e 740 Ellesmere Road Scarborough Ontario MIP 2V9 Helping You Control Your World www honeywell com yourhome
6. Honeywell T8190A 191108AJ Q682 Heating or Cooling Thermostat and Wallplate or Heating Cooling Thermostat and Subbase D F Rev 9 94 OHoneywell Inc 1994 Form Number 69 0643 1 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 This allows you to significantly lower your fuel costs while awaken ing or returning home to a comfortable temperature Read this manual to learn how to use your new thermostat Recycling Notice This control contains mercury in a sealed tube Do not place control in the trash at the end of its useful life If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control or of an old control containing mercury in a sealed tube 69 0643 1 Table of Contents Page Features of Your Thermostat sirieias i ine i a E ada iat Ee a iaaa 4 Setting the Temperature E 7 Inserting Timer Batteries sicie aain nene 8 Setting the Tiro ro laa da rd 9 A iss svcie cies fn ed eee ee ee a en he ke a a ee A ET 10 Setting Subbase SwitChes cesceeececseececceeeeeeeseeeneeneseecee
7. are different insert a small screwdriver in the thermometer slot shown in Fig 7 and turn it until both thermometers read the same INSERT AND TURN SCREWDRIVER Fig 7 Thermometer adjustment 23 69 0643 1 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 24 69 0643 1 25 69 0643 1 26 69 0643 1 Limited One Year 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 If the product is defective i return it with a bill of sale or other dated proof of purchase to the dealer or contractor from which you purchased it or ii package it carefully along with proof of purchase including date of purchase and a short description of the malfunction and mail it postage prepaid to the following address Honeywell Inc in Canada Returned Goods Department Honeywell Limited Honeywell Limitee 1050 Berkshire Lane 740 Ellesmere Road Plymouth MN 55441 4437 Scarborough Ontario M1P2V9 This warranty
8. ate call a qualified service technician Burner on time too short Anticipator setting See Fig 6 for anticipator location Increase anticipator setting by 0 05 e g 0 4 to 0 45 Observe burner operation Burner on time too long Anticipator setting See Fig 6 for anticipator location Decrease anticipator setting by 0 05 e g 0 45 to 0 4 Observe burner operation 16 continued 69 0643 1 Troubleshooting Continuea Problem Check Action No cooling J System switch may be in OFF Move switch to COOL position or HEAT position Fuse or circuit breaker If fuse is blown or breaker tripped replace or reset If fuse blows again call the heating and air conditioning dealer Condenser switch position Located outdoors and may be turned off Move to ON position Thermostat connections Check for correct terminal hookups Repair any frayed or broken wires Firmly tighten all terminal screws Turn off power to cooling system Other Contact a qualified service technician for assistance continued 69 0643 1 Troubleshooting Continuea Problem Check Action Thermostat setting and thermometer reading disagree Level position of thermostat Reinstall thermostat wallplate or subbase Use a spirit level Area around thermostat for drafts or radiant heat Thermostat should be about
9. eseaeecaaeeeeessacessaeseanecsaeseaeesneeeeeesseeneneetes 13 TOUDIOSHOOUNG is 2332 ea ext ogee acts suaccbhs aaa a save tendon css vane a aa a aE 14 Servicing the Thermostat ist eves cee anes a eatin eh aires 22 Cycle Rate Adjustmentzrie cc eisveetes tata hak headin tien etn alanis 22 Thermometer Adjustment ceceeccceeseceeeeseceeeeeeeeeeeeeeedeeceneeneeeseeeesaanenesceeesnseeesneasesescneeeseeeess 23 Warranty sra dE 27 3 69 0643 1 FeaturesOf Your Thermostat a e E r m a 50 60 70 80 oon Honey vell el M7349 4 FLIP UP COVER Lift it up to set clock for energy saving and normal temperature periods THERMOSTAT COVER Lift up and remove to adjust heat anticipator THERMOMETER Provides accurate room temperature reading TEMPERATURE SETTING LEVERS Left blue mark controls the low temperature right red mark controls the high tempera ture TIMER This timer provides a 24 hour slotted dial to hold the programming pins TIMER SETTING KNOB Turn clockwise to match the correct AM or PM time to the time indicator 7 TIME INDICATOR Arrow head triangle shape indicates low blue temperature setting or high red temperature setting in control on program index wheel Also indicates time on 24 hour dial 69 0643 1 PROGRAM INDEX WHEEL Controls high and low temperature at specific time of day as set by program pins PROGRAM PINS Must be inserted into 24 hour timer d
10. gh 24 HOUR PROGRAM DIAL GRAY AREA FOR NIGHT SETTINGS FLIP UP ran J COVER TRS PROGRAM 7 PINS ae THERMOSTAT COVER Y PRocRam 1 PIN SLOT IM PROGRAM INDEX WHEEL 7 PROGRAM TIME INDICATOR ARROW RIN STORAGE M7348 Fig 4 Programcomponents 10 69 0643 1 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 To change the pins or add a new energy savings period e To insert a pin push it straight into the selected notch on the program dial until it is completely seated e To remove a pin press against the program dial and pull the pin straight out DO NOT attempt to change a pin if it is engaged with the program index wheel e On heating cooling systems set the subbase switches to desired positions See Setting Subbase Switches section e On heating cooling systems you must reset the pins when the seasons change You will also probably want to change the lever positions To set the heating program Decide when you want the temperature to reach the comfort level Find the notch on the dial that is one half hour before this time and insert a red pin The high temperature is in effect The half hour head start gives
11. ial slots to control program index wheel 10 PIN SLOTS Located on 24 hour dial at 10 minute intervals for program pin insertion PROGRAM DIAL 24 hour dial with light band to indicate daytime and dark band to indicator nighttime HEAT ANTICIPATOR SCALEPLATE Calibrated to match the heating system current draw in amperes ANTICIPATOR SETTING LEVER Must be adjusted to match the heating system primary control current 44 MERCURY BULB AND BIMETAL ELE MENT 2 Provide automatic temperature control by switching the heating or cooling system on or off 69 0643 1 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 M719 6 69 0643 1 Setting the Temperature ForHeating 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 tempera
12. n equipment can cut off power to system Replace filter and reset timer continued 69 0643 1 Troubleshooting Continuea Problem Check Action Timer loses time Batteries may need Replace with two new AAA alkaline continued replacement batteries as shown in Fig 2 A Not applicable on model used in heating only system A Not applicable on model used in cooling only system A 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 20 69 0643 1 VoltageAtTimerTerminals ACVoltagesat C CTerminals Check Action 0 Vac System power off Restore power Short in timer power supply wiring Replace wiring Limit switch contacts stuck open Free or replace limit switch Transformer supplying power is Replace transformer burned out Up to 15 Vac System transformer used to power Use additional separate the timer is inadequate transformer Additional separate transformer Install transformer with proper used to power the timer has secondary voltage inadequate voltage 15 to 30 Vac Spring fingers on thermostat not Rebend spring fingers to a 45 making proper contact with s
13. s Turn off power to furnace Check for correct terminal hookups Repair any frayed or broken wires Firmly tighten all terminal screws Turn on power Other Contact a qualified service technician for assistance 14 continued 69 0643 1 Troubleshooting Continuea Problem Check Action Energy saving Program dial for proper day Turn timer ahead 12 hours Turn temperature or night phase knob clockwise CN only program is 12 hours Rooms do not warm up at the Timer program for heating system may need more time Move red pin one half hour earlier on the program dial programmed to warm up rooms time A Temperature Program pins for correct time Relocate pins to desired settings change occurs at the wrong time locations Room temperatures are not correct Positions of thermostat set point levers Reset to desired temperatures Position of subbase system switch heating cooling model Move to desired operating position continued 69 0643 1 Troubleshooting Continuea Problem Check Action Room Thermostat circuits Heating mode Move temperature temperatures setting levers 5 F 3 C above room are not correct continued temperature Heating system should start Cooling mode Move temperature setting levers 5 F 3 C below room temperature Cooling system should start If the system does not oper
14. tly set the time indicator arrow triangle shape will point to the correct time and corresponding daytime light or night time dark band of the program dial See Fig 3 PROGRAM DIAL PROGRAM PIN 6 TIMER SETTING KNOB TIME INDICATOR Example For 11 PM the time indicator arrow INDICAT will point directly to the dark band For 11 AM the arrow will point to the light band x Daylight Savi ngTi me t TIME INDICATOR ARROW When Daylight Saving Time starts move the gi knob carefully in a clockwise Y direction one Fig 3 Setting the timer hour When Daylight Saving Time ends move 9 69 0643 1 Programming You can program your thermostat to automati cally lower and raise the temperature one or more times every 24 hours depending on the number of program pins used Before setting your program Notice the slots on the program dial Fig 4 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 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 A red pin is inserted at 6 00 AM for hi
15. ture setpoint ForCooling C Set the left lever blue mark to the tempera ture you want for normal comfort periods C Set the right lever red mark to the energy saving temperature you want when you are sleeping or your home is unoccupied HIGH TEMPERATURE SETTING LEVER LOW TEMPERATURE SETTING LEVER Q ON 11111111777 a Honeywell M8586 Fig 1 Setting high and low temperature setting levers 69 0643 1 Inserting Timer Batteries Power is supplied to the timer by the 24 Vac transformer by two AAA alkaline batteries included or by the heating or cooling control circuit Backup batteries may be installed to supply power to the timer if power is interrupted when using a 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 batteries Properly dispose of old batteries BATTERY LOCATION FOR 2 AAA BATTERIES INSTALL WITH POSITIVE ENDS UP Fig 2 Inserting timer batteries 69 0643 1 the knob carefully in a clockwise PY direction 23 Seung the Timer hours Do NOT reverse the knob or damage to Lift thermostat flip up cover and you ll find the timer mechanism may occur 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 correc
16. ubbase degree angle to assure proper terminals contact Timer has failed Replace thermostat 21 69 0643 1 Servicing the Thermostat Cycle Rate Adjustment 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 6 Observe the heating system operation after each adjustment NOTE Most hot water systems require a setting of 1 24 22 ANTICIPATOR SCALEPLATE ANTICIPATOR SETTING LEVER Fig 6 Heat anticipator setting 69 0643 1 Thermometer Adjustment The thermometer was accurately calibrated at Replace thermostat cover and put the system the factory and should only need adjustment if it into operation has been dropped or mishandled If the setpoint lever and the thermometer reading do not agree follow the procedure below THERMOMETER BACKSIDE OF Remove thermostat cover and open the flip up SOT FLIP UP COVER 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 Be careful not to touch the ther mometer or breathe on it If the readings are the same replace the cover and put the system into operation If the readings
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