Honeywell T8095A/191108AJ User's Manual
Contents
1. If fuse is blown or breaker tripped replace or reset 18 Continued Troubleshooting Continued Problem No cooling continued Check condenser switch position Located outdoors and may be turned OFF Action Move to ON position thermostat connections Check for correct terminal hookups Repair any frayedor broken wires Firmly tighten all terminal screws Turn OFF power to cooling system other Contact a qualified service technician for assistance 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 5 ft 1 5m above floor on an inside wall Contact a qualified service technician for change of location 19 Continued 69 0639 1 Troubleshooting Continued Problem Check Action Thermostat setting and thermometer reading disagree continued calibration of thermometer See instructions on page 24 Clock does not run voltage across the two C terminals Remove thermostat from the wallplate or subbase and measure the voltage Refer to the table on page 22 for cause and reaction pins in program dial If pins are not completely seated in program dial jamming with index wheel may occur Push down on pins to make s2. For Cooling 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 savings temperature you want when you are sleeping or your home is unoccupied HIGH LOW TEMPERATURE TEMPERATURE SETTING LEVER SETTING BLUE MARK LEVER A RED MARK NOGA aw ce Honeywell M1520 Fig 1 Setting high and low temperature levers 69 0639 1 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 sytem is controlled by the thermostat Heating system is off OFF Both the heating and cooling sytems are off If the fan switch is in the AUTO position the fan is also off AUTO In cooling only application only cooling operates In heating only applications only heating operates The subbase fan switch controls fan operation as follows ON Fan operates continuously AUTO Fan operates with cooling equipment as controlled by the thermostat or with heating equipment as controlled by the plenum fan switch In electric heat heat pump and fan coil systems the fan is controlled by the thermo stat in heating and cooling To switch positions use thumb or index finger to slide lever to desired position Switch lever must stop in detent over desired function indicator ma
3. Continued Problem Check Action Room thermostat circuits HEATING ONLY SYSTEM Move temperatures temperature setting levers 5 F 3 C are not correct above room temperature Heating system continued should start the system does not operate calla qualified service technician COOLING ONLY SYSTEM Move temperature setting levers 5 F 3 C below room temperature Cooling system should start fihe system does not operate call a qualified service technician HEATING COOLING SYSTEM With system switch at HEAT move tempera ture setting levers 5 F 3 C above room temperature Heating system should start With system 17 Continued 69 0639 1 Troubleshooting Continued Problem Check Action Room switch at COOL move temperature temperatures setting levers 5 F 3 C below room are not correct continued temperature Cooling system should start the system does not operate call a qualified service technician Burner on time anticipator setting See Fig 6 Increase anticipator setting by 0 05 too short for anticipator location Observe burner operation Burner on time anticipator setting See Fig 6 Decrease anticipator setting by 0 05 too long for anticipator location Observe burner operation No cooling DM system switch May be in OFF or HEAT position Move switch to COOL position See page 8 fuse or circuit breaker
4. MINUTE HAND TIME INDICATOR ARROW toe INDICATOR ARROW M1813 Fig 3 Setting the clock 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 Lift thermostat flip up cover to 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 is preprogrammed A red pin is inserted at 6 00 A M for high temperature comfort period a blue pin is inserted at 10 00 P M for low temperature energy saving 11 24 HOUR PROGRAM DIAL GRAY AREA FOR NIGHT SETTINGS FLIP UP COVER THERMOSTAT COVER lt a PROGRAM PIN SLOT PROGRAM PIN PROGRAM INDEX WHEEL STORAGE TIME INDICATOR MANUAL PROGRAM ARROW Rest ADVANCE BUTTON Fig 4 Program Components 69 0639 1 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 recommend at least five hours for each energy saving period To change the pins or add a new energy saving
5. minutes for cover thermometer to sense area temperature then compare the readings Be careful not to touch thermometer or breathe on it 4 If the readings are the same replace the cover and put the system into operation 5 If the readings are different insert a small screwdriver in the thermometer slot see Fig 7 and turn it until both thermometers read the same 6 Replace the thermostat cover and put the system into operation THERMOMETER SLOT BACKSIDE OF FLIP UP COVER INSERT AND TURN SCREWDRIVER Fig 7 Thermometer Adjustment If you have questions regarding the installation and programming of your Honeywell thermostat please contact the Honeywell Customer Assistance Center at 1 800 468 1502 Monday Friday 7 30 a m to 4 00 p m Central time Before you call please have the following information available make and model of furnace old thermostat and air conditioner 25 69 0639 1 26 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
6. Honeywell T8095A 191108AJ TS8095A 191108AC T8095A Q682 Heating only Thermostat and Wallplate or Heating Cooling Thermostat and Subbase OWNER S MANUAL DE Rev 10 94 e OHoneywell Inc 1994 Form Number 69 0639 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 signifi cantly lower your fuel costs while awakening 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 nofplace 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 nofplace 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 If you have questions call Honeywell Inc at 1 800 468 1502 Table of Contents Page Features of Your Thermostat imc riada 4 Setting the Temperature sseni ei ts diene aie Aa dene 7 Setting Subbase Switches mrana n LA di Aa 8 Inserting Clock Batteries r E a a e a Eaa a a A e a a ARR 9 Setting t
7. asts 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 or call 1 800 468 1502 Monday Friday 7 00 a m to 5 30 p m Central time 27 69 0639 1 Honeywell Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers
8. before this time and insert a b ue pin The low temperature is in effect The half hour head start period 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 edpin 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 room temperature rises to the energy saving setpoint 69 0639 1 Start or End Programs with Manual Program Advance Button IMPORTANT 70 prevent damage to the program advance mechanism DO NOT use the program advance button within a 30 minute period before or after a program change The manual program advance button enables immediate one time only program changes to accommodate temporary schedule changes Press the button to immediately begin an energy savings period or return to the normal setting After pressing the button check the program indicator on the thermostat cover to assure the system is in the desired mode If the program indicator shows blue the lower tempera ture is in effect if it shows red the higher temperature is in effect Using the manual advance button will not affect the stored program 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 sw
9. ervals for program pin insertion PROGRAM DIAL 24 hour dial with light band to indicate daytime and dark band to indicate nighttime MANUAL PROGRAM ADVANCE BUTTON Allows change from comfort to energy savings setting and vice versa without changing the program HEAT ANTICIPATOR SCALEPLATE Calibrated to match the heating system current draw in amperes ANTICIPATOR SETTING LEVER Adjust to match the heating system primary control current MERCURY BULB AND BIMETAL ELE MENT 2 Provide automatic temperature control by switching the heating or cooling system on or off 69 0639 1 17 191108 WALLPLATE Provides mounting base and wiring connections for heating only or cooling only thermostat Q682 SUBBASE 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 Setting the Temperature Fig 1 For Heating C Set the left lever blue mark to the energy savings temperature you want when you are sleeping or your home is unoccupied C 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
10. he Clockin iria dai ba bee a ed 10 Programming MEE A T E i lide eectudidaeeseieideanidai natant 11 Troubleshooting viii AA te 15 Servicing the Thermostats veiin tte eed dais dean 23 Cycle Rate Adjustment ici n ie cinerea 23 Thermometer ACjUStMennt ocooccccnncccnoniccnnoncnnnnnrncnnnne cnn nc 24 Walt lidad 27 3 69 0639 1 Features of Your Thermostat D FLIP UP COVER Lift up to set clock for energy savings and normal temperature periods 2 THERMOSTAT COVER Lift up and remove to adjust heat anticipator THERMOMETER Provides accurate room temperature reading PROGRAM INDICATOR Blue indicates low temperature is in effect red indicates high temperature is in effect CLOCK Provides a 24 hour slotted dial to hold the programming pins CLOCK HANDS Turn minute hand clockwise Y to match the correct AM or PM time to the time indicator TIME INDICATOR Arrow head triangle shape indicates blue low temperature setting or red high temperature setting in control on program index wheel Also indicates time on 24 hour dial PROGRAM INDEX WHEEL Controls high and low temperature at specific time of day as set by program pins 000 TEMPERATURE SETTING LEVERS Left blue mark controls low temperature and right red mark controls the high temperature PROGRAM PINS Insert into 24 hour clock dial slots to control program index wheel PIN SLOTS Located on 24 hour dial at 10 minute int
11. itch to HEAT position or COOL position See page 8 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 s instructions thermostat connections Turn OFF power to furnace Check for correct terminal hookups Repair any frayed or broken wires Firmly tighten all terminal screws Turn on power 15 Continued 69 0639 1 Troubleshooting Continued Problem Check Action other Contact a qualified service technician for assistance Energy savings temperature pro gram 12 hours off program dial for proper day or night phase Turn clock ahead 12 hours Move minute hand clockwise FX only Rooms do not warm up at pro grammed time timer program for heating system May need more time to warm up rooms Move red pin one half hour earlier on the program dial Temperature change occurs at the wrong time program pins for correct time locations Relocate pins to desired settings 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 Refer to page 8 16 Continued Troubleshooting
12. 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 the desired positions See Setting Subbase Switches section e On heating cooling systems you must reset the pins when the seasons change You will 12 also probably want to change the lever positions Setting the Heating Program C 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 redpin The high temperature is in effect The half hour head start period gives the furnace time to heat the house before you awaken or arrive home Decide when you want the energy savings period to start and insert a G ve 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 SUMMER WINTER M1690B Fig 5 Programming Examples 13 Setting 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
13. rk for proper circuit operation Inserting Clock Batteries Power is supplied to the clock by the 24 Vac transformer Backup batteries not included may be installed to supply power to the clock when power is interrupted Install batteries in thermo stat as shown in Fig 2 Once a year or when batteries are dead replace with two new AAA alkaline batteries We recommend Energizer batteries BATTERY LOCATION FOR 2 AAA BATTERIES INSTALL WITH POSITIVE ENDS UP Fig 2 Inserting Clock Batteries 69 0639 1 O the Clock Lift thermostat flip up cover to find the 24 hour program dial slotted in 10 minute increments Adjust the clock to the current time by moving the minute hand carefully in a clockwise direction Do nofreverse the minute hand After setting the time correctly 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 EXAMPLE For 11 PM the time indicator arrow will point directly to the dark band For 11 AM the arrow will point to the light band on the dial Daylight Savings Time When Daylight Savings Time starts move the minute hand carefully in a clockwise EN direction one hour When Daylight Savings Time ends move the minute hand carefully in a clockwise direc tion 23 hours Do zot reverse the minute hand or damage to the timer mechanism may occur PROGRAM DIAL
14. 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 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 l
15. ure they are completely seated in program dial Clock loses time power May be interrupted Make sure power is on Reset clock 20 Continued Troubleshooting Continued Problem Clock loses time continued VAN Not applicable on model used in heating only system A Not applicable on model used in cooling only system Check high limit control If clock powered through system trans former power to clock and equipment may be off for safety Action Wire separate transformer to power clock or install backup batteries as shown on page 9 filter May be clogged Safety limit on equipment may cut off power to system Replace filter and reset clock backup batteries may need replacement Replace with two new AAA alkaline batteries See page 9 If this Troubleshooting section has not solved the problem call a qualified service technician or Honeywell Assistance Center 1 800 468 1502 Monday Friday 7 00 a m to 5 30 p m Central time for additional assistance 21 69 0639 1 Voltage at Clock Terminals AC Voltage at C C Terminals Check Action 0 Vac System power off Restore power Short in clock 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 po
16. wer Use additional separate the clock is inadequate transformer Additional separate transformer Install transformer with proper used to power the clock has secondary voltage inadequate voltage 15 to 30 Vac Spring fingers on thermostat not Rebend spring fingers to a making proper contact with subbase terminals Clock has failed 22 45 degree angle to assure proper contact Replace thermostat Servicing the Thermostat Cycle Rate Adjustment T8095A only 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 ANTICIPATOR by moving the anticipator setting lever one SCALEPLATE indicator mark at a time Fig 6 Observe the heating system operation after each adjustment ANTICIPATOR i NOTE Most hot water systems require a setting SETTING LEVER of 1 2A M7317 Fig 6 Heat Anticipator Setting 23 69 0639 1 Thermometer Adjustment The thermometer was accurately calibrated at the factory and should only need adjustment if it was dropped or mishandled If the setpoint lever and the thermometer reading do not agree use the following procedure 1 Remove thermostat cover and open the flip up cover 2 Set the thermostat cover on a table near a thermometer of known accuracy 3 Allow at least five
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