Honeywell Thermostat TH8110U User's Manual
Contents
1. U S Registered Trademark Copyright 2004 Honeywell International Inc 1 5 METERS M19925 Fig 1 Selecting thermostat location Do not install the thermostat where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Unheated uncooled areas such as an outside wall behind the thermostat All Rights Reserved 69 1700 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Installing Wallplate CAUTION Electrical Hazard Can cause electrical shock or equipment damage Disconnect power before wiring The thermostat can be mounted horizontally on the wall or ona 4 in x 2 in 101 6 mm x 50 8 mm wiring box 1 Position and level the wallplate for appearance only 2 Use a pencil to mark the mounting holes Fig 2 Mounting wallplate 3 Remove the wallplate from the wall and if drywall drill two 3 16 in holes in the wall as marked For firmer material such as plaster drill two 7 32 in holes Gently tap anchors provided into the drilled holes until flush with the wall 4 Position the wallplate over the holes pulling wires through the wiring opening See Fig 2 5 Insert the mounting screws into the holes and tighten WIRING FIG 5 11 All wiring must comply with local electrical codes and ordinances 1 Select set of terminal identific2. M19920 Fig 12 Installing patentee on thermostatiback Fig 14 Removing tab to activate real time clock Mounting the Thermostat This thermostat is designed to automatically keep current 1 Align the terminal screw blocks with the pins on the time and day in memory for up to ten years under normal back of the thermostat use after calendar is set When thermostat is first 2 Push the thermostat straight onto the wallplate powered display is ready to enter calendar date Fig 15 See Fig 13 SET CURRENT DAY SET MONTH snr a cUu eL M19919 Fig 13 Mounting thermostat on wallplate Adjusting Real Time Clock Setting Calendar and Time Locate and remove the tab labeled Remove in the lower left corner on the thermostat back The tab must be removed to activate the real time clock See Fig 14 Fig 15 Setting calendar and time after initial powerup IMPORTANT The tab on back of thermostat in lower left corner must be removed to activate this feature Using the Thermostat The thermostat has a touch screen interface Words or symbols appear highlighting keys as needed to complete tasks Press keys with your fingertips Sharp tips on pens or pencils can damage thermostat 1 Use arrow keys to set Year Month and Day see Fig 15 2 Press Done key 3 Use arrow keys to set current time See Fig 15 4 Press Done key 5 69 1700 TH8110U TOUCH SCREEN PROGRAMMABL
3. HEAT RELAY A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19898 Fig 8 Typical hookup of heat only system with fan 1H conventional 69 1700 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS CONVENTIONAL Oy oaaao OUTDOOR INDOOR TEMPERATURE SENSOR SERIES 20 MOTOR OR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19899 Fig 9 Typical hookup of heat only Series 20 system CONVENTIONAL oye gt OPTIONAL 24 VAC COMMON CONNECTION OUTDOOR INDOOR TEMPERATURE COMPRESSOR CONTACTOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED SENSOR A FACTORY INSTALLED JUMPER A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19900 Fig 10 Typical hookup of cool only system 1C conventional Foo HEAT PUMP gt atx gt OPTIONAL 24 VAC COMMON CON
4. heat ends fossil fuel or in Cool Only Systems Extended Fan 0660 0 No extended fan 90 Fan operation is Not shown in Heat on time Cool operation after extended 90 seconds Only Systems call for cool ends after call for cool ends 69 1700 10 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Table 6 Advanced Settings Menu Continued Installer Factory Setting Other Choices Setup Select Number Option Description Options Description Comments Keypad 0670 0 Unlocked keypad 1 2 1 partially locked Unlocked all Lockout keypad functions are 2 fully locked keypad _ available Partially locked only temperature up and down keys and ability to enter and modify Installer Setup mode are available Fully locked only ability to enter and modify Installer Setup mode are available Temperature 0680 2 Standard 1 3 1 less aggressive Applies to recovery Control in Heat temperature temperature control ramp and use of control in heating could cause auxiliary heat during temperature recovery undershoot 3 more aggressive Choose 1 if getting temperature control temperature could cause overshoot temperature overshoot Choose 3 if getting temperature undershoot Temperature 0690 2 Standard 1 3 1 less aggressive Applies to recovery Control in Cool temperature temperature control ramp control in cooling could cause temperature Choose 1 if getting undershoot temperature 3 more aggre
5. 150 15 Digit s represents 1 31 Select number that Day current calendar represents current calendar date date Schedule 0160 4 7 day programming 0 0 nonprogrammable Options System Type 0170 1 1 Heat 1 Cool 1 6 1 1 heat 1 cool Available options Selection Conventional 2 single stage heat pump and defaults vary System no aux heat by thermostat 3 heat only no fan System selection 4 heat only with fan automatically 5 hot water Series 20 modifies some 3 wire or normally open default settings zone valves and or hides other 6 cool only Installer Setup options Fan Operation 0180 0 Conventional Heat pump or electric heat Only shown if applications where applications where conventional equipment controls thermostat controls fan system is fan operation in operation in heat mode selected If heat heat mode pump is chosen fan defaults to electric Reversing 0190 0 O B terminal is 1 O B terminal is energized for Only shown if Valve O B energized for reversing valve in heating heat pump Operation reversing valve in system is chosen cooling 7 69 1700 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Table 4 Main Installer Setup Menu Continued Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Cycles per 0220 3 Compressor Stage 1 6 1 6 available hour cph for 1
6. E THERMOSTATS OPERATION System and Fan Settings The System default setting is Heat and the Fan default setting is Auto SYSTEM Settings Heat Thermostat controls heating system Off Both heating and cooling are off Cool Thermostat controls cooling system Auto Thermostat automatically changes between heating and cooling systems depending on indoor temperature See Installer Setup section FAN Settings The Fan setting can be programmed into the thermostat schedule for each period Wake Leave Return Sleep See the Owners Guide for additional information Preprogrammed Settings Table 3 shows the default program settings See Owners Guide for complete instructions on changing the program Table 3 Default Program Settings Schedule Setpoints Fan Period Time Heat Cool Setting Wake 6 00AM 70 F 78 F Auto 21 C 25 5 C Leave 8 00AM 62 F 85 F Auto 16 5 C 29 5C Return 6 00PM 70 F 78 F Auto 21 C 25 5 C Sleep 10 00PM 62 F 82 F Auto 16 5C 28 C INSTALLER SETUP This Universal Thermostat works with many different system types To operate correctly the thermostat must be set up to operate the installed heating and or cooling system Installer Setup Menus Main Menu Offers the most commonly used options It is necessary to enter this menu to set the thermostat to the type of system it is operating Many applications use only th
7. Honeywell TH8110U Touch Screen Programmable Thermostats APPLICATION The TH8110U Universal Programmable Thermostats provide electronic control of 24 Vac heating and cooling systems or 750 mV heating system See Table 1 for a general description INSTALLATION INSTRUCTIONS Table 1 TH811 Thermostats Description Power Model Method Changeover System Selection Fan Selection Comments TH8110U Batteries or Automatic or Heat Off Cool Auto On Auto Circ System and Fan common wire manual selection vary based on selectable system type Oh RECYCLE NOTICE If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Dispose of properly Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old control INSTALLATION en Installing this Product Read these instructions carefully Failure to follow the instructions can damage the product or cause a hazardous condition Check the ratings given in the instructions to make sure the product is suitable for your application Installer must be a trained experienced service technician After completing installation use these instructions to check out the product operation Selecting Location Install the thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature See Fig 1
8. NECTION FAN RELAY OUTDOOR INDOOR TEMPERATURE SENSOR CHANGEOVER VALVE COMPRESSOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER A O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP Z oPTionaL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19903 Fig 11 Typical hookup of single stage heat pump with no auxiliary backup heat 1H 1C heat pump Powering the Thermostat There are two different ways to power the thermostat Batteries three AAA alkaline 24 Vac Common wire Wiring 24 Vac Common Wire the common side of the transformer to the C screw of the thermostat wallplate When installing in a single transformer system keep jumper wire between the R and Rc screws When installed in a two transformer 69 1700 system use the common from the cooling transformer to connect to C screw and remove the jumper wire between the R and Rc screws Inserting Batteries Optional If not using a 24 Vac Common to power the thermostat install three AAA alkaline batteries included in the back of the thermostat Make sure the positive and negative terminals are oriented correctly as marked on the device See Fig 12 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS BATTERIES 3 REMOVE TAB TO ACTIVATE REAL TIME CLOCK M19918
9. Y INSTALLED JUMPER A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19895 Fig 5 Typical hookup of conventional single stage heat and cool system with single transformer 1H 1C conventional CONVENTIONAL Sf E gt ODODO OPTIONAL 24 VAC COMMON CONNECTION _ OUTDOOR INDOOR TEMPERATURE SENSOR ayo gt POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A REMOVE FACTORY INSTALLED JUMPER A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19896 Fig 6 Typical hookup of conventional single stage heat and cool system with two transformers 1H 1C conventional CONVENTIONAL ata gt OPTIONAL 24 VAC COMMON CONNECTION gt HEAT RELAY OUTDOOR INDOOR TEMPERATURE SENSOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M19897 Fig 7 Typical hookup of heat only system 1H conventional CONVENTIONAL ayn D OPTIONAL OUTDOOR INDOOR TEMPERATURE SENSOR
10. ations Table 2 that corresponds with system type conventional or heat pump in Fig 3 2 Loosen the screws for the appropriate system type selected see Table 2 Insert wires in the terminal block under the loosened screw See Fig 4 69 1700 Securely tighten each screw 3 4 Push excess wire back into the hole 5 Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat HEAT PUMP CONVENTIONAL SCREW TERMINALS M19951 Fig 3 Selecting terminal identifications for system type Table 2 Selecting Terminal Identifications for System Type Wallplate Wiring Terminal Diagram System Type Identifications Reference Standard Heat Cool Conventional 5 6 Heat Only Conventional 7 Heat Only with Fan Conventional 8 Heat Only Series 20 Conventional 9 Cool Only Conventional 10 Heat Pump with No Heat Pump 11 Auxiliary Heat Fig 4 Inserting wires in terminal block IMPORTANT Use 18 gauge thermostat wire TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS CONVENTIONAL OPTIONAL 24 VAC COMMON CONNECTION 4 oloke a8 So000s ota D OQ OUTDOOR INDOOR TEMPERATURE SENSOR COMPRESSOR CONTACTOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTOR
11. cycles per hour 3 is recommended 1st Stage cph Compressor Cycles per 0240 5 Conventional Heat 1 12 1 12 available typical Not shown if hour cph for Stage 1 cycles per settings system selection 1st Stage hour cph 1 1 cph used for steam or is heat pump Conventional gravity system Selection in this Heat 3 3 cph used for hot water stage changes systems or high efficiency default cph for 90 or better fossil fuel 2nd stage heat forcedairsystems 5 5 cph used for standard fossil fuel forced air systems 9 9 cph used for electric forced air heat systems Continuous 0280 0 Backlight not on 1 Backlight is on continuously Option is always Backlight continuously thermostat must have a shown however Thermostat common wire attached for continuously on backlight comes on this function backlight works with each key only if thermostat press is wired with 24 vac Common Additional 0290 0 Only main menu 1 2 1 Main Menu and Regional The majority of Menu Choices options are shown Settings are shown plus application Installer Test Installer Test Tables 5 and 7 require only the Options shown next only Main Menu Table 7 Options 2 All remaining Menu Options shown plus Installer Test Tables 5 6 and 7 69 1700 8 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Table 5 Regional Settings Menu Installer Factory Setting Other Choices Setup Select Number Option Description Optio
12. e Main Menu Regional Menu Offers choices often changed due to a particular area or region For example temperature display in Fahrenheit or Celsius is offered in this menu Advanced Settings Menu Offers more settings to fully customize the thermostat Many of these settings do not require changing from the factory settings 69 1700 Entering Installer Setup Thermostat must be powered either with Alkaline AAA batteries or with 24 Vac Common wire 2 From the home screen press System key Press Done or Cancel key to return to home screen 3 Five blank touch keys show on the bottom of the screen between the Done and Cancel keys Press and hold the two blank keys on either side of the center blank key for approximately five seconds until screen changes See Fig 16 We men seme E Dat at Ow il ee ENTENT e Ha CYO M19923 Fig 16 Entering Installer Setup 4 The Installer Setup Number is displayed in the lower left It is a four digit code beginning with zero The factory setting or other choice selection is dis played in the lower right See Fig 17 This is a two digit code shown in the Option column of Table 4 ADVANCE TO NEXT INSTALLER SETUP INSTALLER SETUP NUMBER FACTORY 1 SETTING CHANGE THE FACTORY SETTING M19922 PRESS TO EXIT INSTALLER SETUP Fig 17 Installer Setup Number and fact
13. heating or cooling is running Heating or cooling equipment is not operating Check wiring Check Installer Setup Number 0170 verify correct system type is chosen Verify equipment operation in System Test mode Thermostat does not respond when touchpad is pressed The keypad is locked Check Installer Setup Number 0670 to change keypad locked options Honeywell Automation and Control Solutions Honeywell Limited Honeywell Limit e 35 Dynamic Drive Scarborough Ontario M1V 4Z9 Honeywell International Inc 1985 Douglas Drive North Golden Valley MN 55422 69 1700 GH 03 04 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers www honeywell com yourhome
14. ions Description Options Description Comments Installer Test Test 1 0 Cool is off 1 0 cool off System selection deter Cool 1 cool stage 1 mines tests available and turns on number of stages shown Installer Test Test 2 0 Fan is off 1 0 fan off Fan 1 fan turns on Installer Test Test 3 0 Heat is off 1 0 heat off Heat 1 stage 1heat on TROUBLESHOOTING SEE TABLE 8 Table 8 Troubleshooting Symptom Display does not come on powered Possible Cause Thermostat is not being Action Check for 24 Vac between C and Rc Verify AAA batteries installed correctly and good Temperature settings do not change The upper or lower reached temperature limits were Check temperature setpoints Check Installer Setup Numbers 0600 and 0610 modify The keypad is fully locked Check Installer Setup Number 0670 to change keypad lock options Heating or cooling does not come on time is activated Thermostat minimum off Wait up to five minutes for the system to respond Heat or Cool System selection is not set to Set system Selection to correct position O B terminal is not set correctly Heat Pumps only Check Installer Setup Number 0190 and set correctly incorrect System type Selection is Check Installer Setup Number 0170 and make sure correct System type is chosen Thermostat is calling for Heat Heat on or Cool Cool on but no
15. ns Description Comments Changeover 0300 Manual changeover 1 1 auto changeover Deadband 0310 Heating and cooling 2 thru 9 Heating and Shown only if setpoints can be set cooling setpoints automatic no closer than 3 F can be set no changeover is closer than selected 1 5 C chosen value 2 2 F 1 C 3 3 F 2 C 4 4 F 2 5 C 5 5 F 3 C 6 6 F 3 5 C 7 TF 4 C 8 8 F 4 5 C 9 9 F 5 C Temperature 0320 Temperature is 1 Temperature is Indication displayed in F displayed in C Scale Daylight 0330 Daylight savings 0 0 daylight savings Set to 0 in areas that Savings enabled United is disabled do not follow States daylight savings Remote 0340 No remote 1 3 1 outdoor Defaults and Temperature temperature sensor temperature sensor Options depend on Sensor for display only System Type Outdoor or 3 indoor selected Indoor Indoor temperature sensor Temperature Sensor uses an averaging network and does not include on board sensor 69 1700 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Table 6 Advanced Settings Menu Installer Factory Setting Other Choices Setup Select Number Option Description Options Description Comments Furnace Filter 0500 0 Furnace filter 1 6 1 10runtimedays Run time based on Change change reminder 2 30runtimedays call for fan Reminder off 3 60runtimedays 4 90ru
16. ntimedays 5 120runtimedays 6 365runtimedays Humidifier Pad 0510 0 Humidifier pad 1 3 1 90calendardays Replacement replacement 2 180calendardays Reminder reminder off 3 365calendardays UV Lamp 0520 0 UV Lamp 1 1 365 calendar days Replacement replacement Reminder reminder off Adaptive 0530 1 Adaptive 0 0 conventional Intelligent Intelligent recovery system starts Recovery Recovery recovery at control is programmed time activated system starts early so setpoint is reached by start of program period Number of 0540 4 Four periods 2 Two periods availbable Not shown in non Periods available Wake Wake and Sleep programmable is Leave Return selected 2 or 4 Sleep applies to all days of the week Minimum 0580 5 Five minute 0 2 3 4 Minimum number of Compressor minimum off time minutes compressor is Off Time for compressor off between calls for compressor Heat 0600 90 Highest heating 40 to 89 Temperature range 1 F Shown in 1 2 C Temperature setpoint increments of heating Range Stop setpoint Cool 0610 50 Lowest cooling 51 to 99 Temperature range 1 F Shown in 1 2 C Temperature setpoint increments of cooling Range Stop setpoint Clock Format 0640 12 12 hour clock 24 24 hour clock format format Extended Fan 0650 0 No extended fan 90 Fan operation is Not shown if fan on time Heat operation after extended 90 seconds __ operation is set to call for heat ends after call for
17. ory setting selection locations Changing Installer Setup Selections 1 Advance to the next Installer Setup Number by pressing the up and down arrow keys to the right of the four digit Installer Setup Number See Fig 17 2 Change the factory Setting Options by pressing the up and down arrow keys right of the two digit code selection See Fig 17 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS Exiting Installer Setup 1 Press Done key to exit Installer Setup screen IMPORTANT The three Installer Setup Menus Tables 4 6 show all available options These options cus tomize themselves as you make selections to Installer Setup So not all Installer Setup Selections are shown or are available to change Table 4 Main Installer Setup Menu Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Not used 1 thru 0099 Date Year 0120 20 Set first two digits of 21 21 first two digits of 2000 2178 Upper current calendar current calendar year 21xx available year 20 for year 2005 etc Date Year 0130 04 Represents last two 00 99 Select last two digits of 2001 2178 Lower digits of current current calendar year available calendar year 2004 Date Month 0140 6 Digit s represents 1 12 Select number that current calendar represents current calendar month month Date 0
18. ssive overshoot temperature control could cause Choose 3 if getting temperature overshoot temperature undershoot Temperature 0700 0 No difference in 3 2 1 3 F 1 5 C Display Offset displayed 0 1 2 3 2 F 1 C temperature and 1 F 5 C actual room OF 0 C temperature 1 F 5 C 2 F 1 C 3 F 1 5 C Reset 0710 0 No thermostat 1 Resets all Installer Only calendar Thermostat reset Setup Options to default settings and time are values and resets schedule to default setting retained SYSTEM CHECKOUT Installer System Test The Installer System Test mode is used to test the HVAC system s See Table 7 While in System Test mode minimum off time for compressors is bypassed The Installer Test is part of Installer Setup options Enter Installer Setup screen and press Down arrow key to bring up test selection s quickly See Fig 16 ADVANCED FEATURES Outdoor or Indoor Temperature Sensor Allow outdoor or indoor temperature sensor to absorb the air for a minimum of five minutes before taking a reading See the Sensor instructions for more information 69 1700 TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS CAUTION Equipment Damage Hazard Minimum compressor off time is bypassed during Installer System Test Avoid cycling compressor quickly Table 7 System Test s Installer Factory Setting Other Choices Setup Select Number Opt
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