Lux Products TX500Uc Instruction Manual
Contents
1. Hy 841M 1 9 SHAINYOASNVUYL 31VHVd3S 9 1009 39VIS L 9NLLV3H 39 15 1 1V3H NON TVNOLLN3ANOO 15 91419348 SU31131 AVH9 TWOIdAL 3HV 85831131 TVNIIAH3I 1 uaWHOdSNVH L W31SAS NOWINO 131545 eie Hu Ju paesu LM A Q3T1VISNI YIWOLSNI 1V3H XQ V ON IN31SAS 39V1S 319NIS IMYA DNISHU3A3H 5 10 05 ISN 310N 16 91419348 Su31131 AVH9 TWOIdAL 3HV 85831131 TVNIIAH3I 18 JHL 310N ouawa xnv 5 W31SAS IMYA DNISH3A3H 1V3H paesu 4019 4 LM A 03119181 83110180 5 E 8 10 0 ISN 1 A9N39H3I 3 IN31SAS dINNd 1V3H 1009 1 1V3H 2 17 COMPLETE THE INSTALL INSTALL BATTERIES INTO THERMOSTAT Install two brand new Energizer or DURACELL AA size alkaline only batteries into the thermostat s battery compartment Ensure the batteries are installed in the proper direction2. and should not be used during normal operation To activate this feature press and hold both the NEXT and HOLD buttons while also perform a single press of the Hardware Reset button the LCD display screen will become fully populated Continue to hold the NEXT and HOLD buttons until the LCD display screen returns to normal All compressor protection delays in all modes of operation will be disabled for 5 minutes After the 5 minute duration has expired the thermostat will return to normal operation automatically 29 BATTERY REPLACEMENT This thermostat is powered by two AA Alkaline batteries The batteries should be replaced AT LEAST once per year to ensure reliable operation or sooner if 10 BATT appears in the display screen The batteries are located on the back of the thermostat s circuit board The front portion of the thermostat can be removed from the back half by using the tabs on the top edge of the thermostat housing When installing new batteries we recommend using only brand new Energizer or DURACELL size alkaline batteries Please observe the polarity markings shown in the battery compartment to ensure proper installation When finished line up the front of the thermostat to the base and firmly press together to securely latch the front and back halves together properly BATTERY GRAPHIC Anytime that batteries are physically present in the thermostat there will be 0 a visual indication
3. 30 WIRING 1 7 TECHNICAL ASSISTANCE 31 WIRING 5 9 LIMITED WARRANTY 31 COMPLETE THE INSTALL 18 MERCURY 32 2014 LUX PRODUCTS CORPORATION ALL RIGHTS RESERVED CAUTIONS AND WARNINGS This thermostat requires batteries to operate and failure or sub standard performance of the batteries may impair or prevent the correct operation of the thermostat Use Duracell or Energizer alkaline batteries ONLY for all LUX thermostats requiring batteries BE SURE TO CHANGE THE BATTERIES AT LEAST ONCE A YEAR or whenever you see the LO BATT indication on the screen Failure to follow these battery instructions could result in property damage and or personal injury The electrical rating for this thermostat is 1 5 Amps per terminal with a maximum total load of 3 0A for all terminals combined The thermostat contains parts that may wear out through use and are susceptible to failure if over loaded or used in a manner other than as indicated in the documentation Check unoccupied residences regularly to ensure that all systems are operating properly Check any heating air conditioning system including this product before operation and at regular intervals Electrical interference static electricity failure or substandard performance of batteries wiring defects in the installation and or characteristics of the connected
4. GAS ELEC CIRCUIT BOARD OPTION G TERMINAL FAN OPERATION This setting is a plastic shorting cap called a jumper This jumper must remain installed and set to either GAS or ELECTRIC for your system to work properly This setting changes how your system s blower fan if applicable is controlled while the thermostat is in HEAT or EMERG HEAT mode when the Fan switch in the AUTO position This setting does not affect the fan operation while in COOL mode When set to GAS the blower fan is controlled solely by the heating system itself Systems that would typically use the GAS setting would be natural gas propane or oil furnaces and boilers NOTE If your blower fan does not operate properly after installation move the Gas Electric option to the Electric setting When set to ELEC the blower fan is controlled directly by the thermostat fla BATTERY This setting is required for heating systems that do not control their own fan such as HEAT PUMPS and units that only have an electric resistive heating element as the heat source GAS FRONT PANEL ITEMS These items below are all located behind the door on the front of the thermostat To open the door pull outwards using the small indentation in the center of the top edge of the thermostat housing HEAT OFF COOL SYSTEM MODE SWITCH Set this switch to HEAT to control your heating system and COOL to control your cooling system The OFF position will
5. HVAC devices may prevent the system from regulating heating and cooling as anticipated The thermostat is a sensitive device and dropping the product can cause damage to critical components If the product is dropped or shaken violently during transport or installation then it should be replaced immediately Persons with physical or mental limitations may not be able to promptly respond to a malfunction of the heating air conditioning system All residents should be made aware of the potential in any system for malfunctions that could cause continuous heating or cooling and should be familiar with the operation and location of the heating cooling appliance on off switch Read the instruction manual completely before installing the thermostat You should consult a qualified HVAC technician or an electrician if you do not fully understand the installation instructions TX500Uc LCD Display Screen Fan Mode Switch Set Slide 5 Switch Jor CNN FAN RUN DAYTIME TEMP PROG gt ll M AIR FILTER TEMPERATURE am Roon yw HEAT OFF e NEXT System Mode Switch UP DOWN and HOLD Buttons SYSTEM COMPATIBILITY The electrical rating for this thermostat is 1 5 Amps per terminal with a maximum total combined load of 3 0A for all terminals combined COMPATIBL
6. On replacement installations mount the new thermostat in place of the old one unless the conditions listed below suggest otherwise On new installations please follow these general guidelines 1 2 Mount the thermostat on an inside wall about 5 ft 1 5m above the floor Do not locate the thermostat where air circulation is poor such as in a corner alcove or behind a door that is normally left open 3 Do not locate the thermostat where unusual heating or cooling conditions may be present such as direct sunlight above a lamp television or radiator or on a wall next to an exterior door or window 4 Do not locate in a damp environment as this can lead to corrosion that may shorten thermostat life 5 If painting or construction work is still ongoing cover the thermostat completely or wait until this work is complete before installation WARNING All wiring must conform to the local codes and ordinances that are in your particular location REMOVE OLD THERMOSTAT Turn OFF the electricity to all heating and cooling Remove the front portion of your old thermostat to Write down the letters printed near each wire terminal components Do not turn the electricity back on until all work is completed expose the wiring connections that is used and also the color of each wire that is connected to it Self adhesive wire labels are also enclosed Carefully remove the wires one at a time and be
7. as a number from 0 to 9 When set to 0 ZERO the second heating stage is completely disabled while in regular Heat mode however Emergency Heat mode will still function for heat pump configurations An Offset value from 1 to 9 degrees will determine the number of degrees from the set point that will be required for the second heating stage to turn on This setting can be used to conserve energy in situations where the second heating stage is more costly to operate when compared to the first stage 21 71 Cut In Cut Out 70 F Set 1 Stage Temperature 70 Em END 69 Swing Setting 2 0 5 F 68 Offset Setting 4 F degrees 67 66 278 Stage Cut In Cut Out 65 DEGREES F Only applies if a second heat stage is present 22 OPERATING INSTRUCTIONS SET DAY AND TIME Place the Set Slide Switch into the DAY TIME position With the day flashing press UP or DOWN to set the day of the week Press NEXT and the clock time will start flashing Use UP or DOWN to set the time making sure the AM PM indication is correct Holding the UP or DOWN buttons will make the clock digits scroll rapidly Return the Set Slide switch to the RUN position when finished HEATING AND COOLING Basic operation of your heating or cooling system can be obtained with the Set Slide Switch in the RUN position an
8. time and the word HOLD will appear in the display To cancel a Hold press the HOLD button one more time If a complete power failure occurs during a Temperature Hold the thermostat will continue to remain in Hold mode even after the power comes back on NOTE If you plan to leave the thermostat in Hold mode for an extended duration unattended it is advisable to install new Energizer or DURACELL AA size alkaline batteries prior to leaving to ensure reliable operation of your heating and cooling system STATIC NOTICE This thermostat is protected against normal static electric discharges however to minimize the risk of damaging the unit in extremely dry weather please touch a grounded metal object before touching your thermostat 24 TEMPERATURE PROGRAMS By default this thermostat has 4 separate program periods for both Heat and Cool mode they are MORN DAY EVE and NITE Each period ends at the start time of the following period The heat programs are set in HEAT mode and the cool programs are set in COOL mode NOTE If the thermostat is configured to use only 2 periods per day instead of 4 SYSTEM CONFIGURATION AND SETUP OPTIONS the thermostat will only use the DAY and NITE periods The MORN and EVE periods will not be visible on the screen SET TEMPERATURE PROGRAMS Move the Set Slide switch to the TEMP PROG position Programming will start with all 5 weekdays Monday through Friday all grouped together Use th
9. 1 ROOM 1 HOLD PRODUCTS CORPORATION Mt Laurel New Jersey 08054 USA http www luxproducts com 856 234 8803
10. E WITH e Most 24 volt heating and cooling systems e 1 or 2 stage Heat 1 stage Cool Gas Oil or Electric systems e 1 or 2 stage Heat 1 stage Cool Heat Pump systems e 3 wire hydronic hot water zone valves e Gas Millivolt heaters NOT COMPATIBLE WITH 120 240 VAC line voltage systems without a transformer ask your LUX dealer for thermostats to control these systems FEATURES 1 or 2 Heat 1 Cool 5 2 day programming Universal Compatibility for all system types Weekdays and Weekends can be programmed separately Exclusive LUX Speed Slide for easy programming User selectable periods per day 2 or 4 User selectable programmable or non programmable operation LuxLight EL Electro Luminescent lighted display Programmable air filter life timer Keypad lockout for unauthorized users Manual temperature hold Temporary temperature override Adjustable temperature differential cycle rate Adjustable 2nd heat stage Offset setting User temperature calibration Adjustable heat cool set temperature limit stops Smart recovery Dual powered battery and or 24 volt system powered Battery free memory storage F C temperature display 12 24 hour clock display 5 2 minute selectable time delay for equipment protection TOOLS YOU MAY NEED e Screwdrivers e Wire Stripper e Wire Cutter e Drill with assorted drill bits new installations only MOUNTING LOCATION
11. HEATING eennnnnnnnnnnnnnnnnnn 11 3 WIRE ZONE VALVE 3 4 WIRES 3 CONVENTIONAL COOLING 12 1 STAGE 3 4 WIRES 4 CONVENTIONAL HEATING AND COOLING 13 1 STAGE HEAT 4 5 WIRES 85 CONVENTIONAL HEATING AND COOLING 14 2 STAGE HEAT 5 6 WIRES 6 CONVENTIONAL HEATING AND COOLING 15 TWO TRANSFORMERS 5 6 WIRES 7 HEAT PUMP HEATING AND COOLING 16 SINGLE STAGE ONLY 4 5 WIRES 8 HEAT PUMP HEATING AND COOLING 17 WITH AUX EMERGENCY HEAT 5 6 WIRES 91419348 SU31131 AVH9 TWOIdAL 3HV 85831131 TVNIIAH3I X9 VT8 JHL 310N udlViH 1 39115 3915 uaWuodsNVHul W31SAS WALSAS Onc oz aa2 Bee ee eee eee gt lt SIN31SAS T1V NI LN3S3Hd 38 LON AVIA m mmm 2o CE D HY 28 papersu sadwine 10 284 LM 9 HY ISN 1V3H LIOAITIIW AINO ONILWAH ADVLS 2 39418 1 10 91419348 Su31131 AVH9 TWOIdAL 3HV 85831131 TVNIIAH3IL X9 VT8 3HL 310N HO 35013 1 8H N3d0 3A1VA 3NOZ 3HIM 3507 340 uaWHOdsNVHu l WALSAS NOWINOD IW31SAS MI 9 pae
12. T 12Hr default This displays the clock times using standard AM and PM values 24Hr This displays the clock times using the military time format example 22 00 hours without using AM or PM ITEM 02 TMP TEMPERATURE SCALE F default Shows all temperature values in Fahrenheit C Shows all temperature values Celsius ITEM 03 THERMOSTAT TYPE PROG default Use this setting for following a daily program routine MAN This setting omits the program routine and operates as a manual style non programmable thermostat This is very basic and only shows the room temperature and set temperature on the screen with no clock ITEM 04 PERD PERIOD QUANTITY 4P default Thermostat uses four periods per day called MORN DAY EVE and NITE 2P The thermostat uses two periods per day called DAY and NITE ITEM 05 RCV EARLY RECOVERY OFF default Program Set Temperature values start to occur at exactly the period start times ON Early Recovery affects how the transition occurs when changing from the NITE to the MORN period and when changing from the DAY to the EVE period The thermostat calculates how long it takes for your home to recover from a setback on a daily basis and turns on ahead of time in order to reach the target set point of the next upcoming program period by the period s start time While in a recovery the word RECOV will be shown on the display screen ITEM 06 SYSTEM MODE FURN default Th
13. TD TX500Uc SMART TEMP UNIVERSAL 5 2 DAY PROGRAMMABLE OR NON PROGRAMMABLE THERMOSTAT FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS INSTALLATION AND OPERATING INSTRUCTIONS 2 5217 Please read all of these instructions carefully before beginning installation Label every wire terminal designation on your existing thermostat wiring before removing your old thermostat gnore the color of the wires since they may not comply with any standard Please connect wires using the terminal letter designations Thank you for your confidence in our product To obtain the best results from your investment please read and follow the installation procedures carefully and one step at a time This will save you time and minimize the chance of damaging either the thermostat or possibly your heating and cooling system These instructions may contain information beyond that which may be required for your particular installation CAUTIONS AND WARNINGS 2 5 18 SYSTEM COMPATIBILITY 3 SYSTEM CONFIGURATION AND SETUP 5 4 5 20 TOOLS YOU MAY 4 OPERATING INSTRUCTIONS 23 MOUNTING LOCATION 5 TEMPERATURE PROGRAMS 25 REMOVE OLD THERMOSTAT 5 ADVANCED FEATURES 26 INSTALL THERMOSTAT BASE 6 BATTERY REPLACEMENT
14. a timely manner as the thermostat will timeout and automatically exit the setting screens after approximately 10 seconds without a button press TO SET THE HEAT LIMIT STOP Place the System Mode switch in the OFF position and the Set Slide switch in the RUN position Press and hold the UP button while sliding the System Mode switch from OFF to HEAT The words STOP and LOCK CODE will appear on the screen along with two digits Use the UP DOWN buttons to select the proper code to access the heat limit setting Press the 26 NEXT button to accept the setting If the code you tried was not correct the thermostat will exit and return to the Normal Run screen with no changes made If the entered code is correct the screen will add the word SET and display the current heat set temperature limit Use the UP DOWN buttons to adjust the maximum heat set temperature value Press the NEXT button to accept the setting and return to the Normal Run screen in heat mode TO SET THE COOL LIMIT STOP Place the System Mode switch in the OFF position and the Set Slide switch in the RUN position Press and hold the DOWN button while sliding the System Mode switch from OFF to COOL The words STOP and LOCK CODE will appear on the screen along with two digits Use the UP DOWN buttons to select the proper code to access the cool limit setting Press the NEXT button to accept the setting If the code you tried was not correct the thermostat will ex
15. button that is located in the HW RST middle of the circuit board just below the battery holder E Pressing this button will cause the LCD display screen to e become fully populated the heating and cooling load relays to cycle off and will perform an internal system check of the thermostat components If your thermostat appears to be acting in an erratic manner pressing the Hardware Reset button may remedy this behavior The temperature programs are not erased when a hardware reset is performed however the clock will have to be changed to match the current day and time SOFTWARE RESET A Software Reset is used to erase ALL heating and cooling temperature programs and to return all user adjustable software settings back to their original factory default values To perform a Software Reset first ensure that the thermostat s Keypad Lockout is not enabled and then move the System Mode switch to the OFF position Press and hold the UP DOWN and NEXT buttons all together for at least 5 seconds The LCD display screen will become fully populated let go of buttons at this point and than return to normal The clock will have to be changed to match the current day and time COMPRESSOR PROTECTION BYPASS This optional feature permits the installer or service technician to temporarily disable the built in compressor protection delays This is most useful for diagnosing and testing the heating and cooling systems after installation is complete
16. d choosing either HEAT or COOL on the System Mode switch The temperature can be adjusted using the UP and DOWN buttons When the thermostat is first powered up it will follow a default temperature routine that is preset from the factory shown below MORN 6 00 AM 70 F 21 6 00 AM 78 F 26 C 8 00 AM 62 F 17 C 8 00 AM 82 F 28 C 6 00 70 F 21 C 6 00 PM 78 F 26 C 10 00 PM 62 F 17 C 10 00 PM 75 F 24 C EMERGENCY HEAT Heat Pump Configuration Only While in normal Heat mode with the Set Slide switch in the RUN position one single press of the EMER button will activate Emergency Heat mode A single press again will end Emergency Heat mode and return back to normal Heat mode While in Emergency Heat mode the word EMER will also be shown in the middle portion of the display screen If a power loss occurs while in Emergency Heat mode the thermostat will continue to remain in Emergency Heat mode even after the power comes back on Emergency Heat mode will prevent the first stage of your heat pump system from turning on and use only the W2 heat terminal Auxiliary Heat as the primary heating source This will not only prevent the heat pump from wasting energy if outdoor temperatures are too low to support efficient operation but it could also prevent damage to the heat pump if outside temperatures are below the manufacturer s recommendations As every heat pump ha
17. disable both the heating and cooling units ELEC 18 AUTO ON FAN MODE SWITCH When this switch is in AUTO the blower fan if present in your system will automatically cycle on and off by itself while heating or cooling is running When in the ON position the blower fan will run constantly with or without a demand for heating or cooling even when the System Mode Switch is in the OFF position NOTE The Fan Mode switch only works if your system provides a wire for the thermostat s G wire terminal to control a blower fan The Fan Mode switch has no effect in systems that do not have a blower fan such as a hot water radiator system MULTI FUNCTION SET SLIDE SWITCH This switch provides an easy way to quickly access the most commonly used thermostat settings This switch has 4 individual positions and unless a specific setting is being adjusted this switch should always remain in the RUN position for the thermostat to control the room temperature The other Set Slide switch positions are described in greater detail in the ADVANCED FEATURES section NOTE this switch is only operable when the thermostat is in Programmable mode When the thermostat is used in Manual control mode all 4 of the switch positions will act like the RUN position except the AIR FILTER position UP DOWN BUTTONS The UP and DOWN buttons are used to adjust any item that can be changed by the user Examples are the set temperatures clock time
18. e UP DOWN buttons to adjust the start time for the MORN period then press the NEXT button to advance Use the UP DOWN buttons to adjust the set temperature for the MORN period then press the NEXT button to advance Now adjust the start time and set temperature for the DAY period pressing the NEXT button after each to advance Continue with these same steps to adjust the start times and set temperatures for the EVE and NITE program periods When the NITE period is finished for the weekdays the thermostat will advance forward to the weekend program with the MORN period start time flashing You will be setting the program periods for both Saturday and Sunday grouped together Perform the same steps that you used for setting the weekday periods pressing the NEXT button to advance through each flashing value Return the Set Slide switch to the RUN position when you are finished 25 ADVANCED FEATURES TEMPERATURE CALIBRATION The internal temperature sensor in this thermostat is accurately calibrated at the factory and in most cases alterations to this setting should not be needed The Temperature Calibration feature allows you to manually offset the measured temperature by as much as plus or minus 5 F 320 degrees from its original value This feature can be useful to match or synchronize this thermostat to another one or more if multiple thermostats are used in the same home NOTE The Temperature Calibration setting need to be perfor
19. f filter usage that has occurred since the last time the Filter Monitor has been reset This feature is for information purposes only and does not affect the operation of your heating or cooling equipment or the thermostat When the filter usage duration has completely expired the word FILTER will flash on the screen TO SET THE AIR FILTER DURATION Move the Set Slide switch to the AIR FILTER position The word DAYS will be shown on the screen along with the word FILTER and 2 3 characters at the top right corner of the display Press either of the UP DOWN buttons to select the desired filter duration in days from the following choices OFF 30 60 90 120 180 or 365 If the filter duration value is set to OFF then the Air Filter Monitor will be completely disabled Return the Set Slide switch to the RUN position when you are finished 28 TO RESET THE FILTER USAGE COUNTER Move the Set Slide switch to the AIR FILTER position The three small digits at the top of the screen tell you the quantity of filter days remaining Press both the UP and DOWN buttons together and the usage counter will return to the beginning of the value that it originally started counting from Refer to the previous paragraph should you wish to change the starting value for the filter monitor Return the Set Slide switch to the RUN position when you are finished HARDWARE RESET The Hardware Reset button labeled HW RST is a small round push
20. hermostat by the 24 volt system using the System Common wire This can be used alone or in addition to installing batteries as a backup NOTE connecting the System Common wire to the thermostat is not necessary for heating and cooling to function properly f your old thermostat has both a and wire both present then is most likely a System Common wire For Heat Pump systems you will use either the 0 terminal or the B terminal on this thermostat but not both If your old thermostat has both an 0 and a B wire present then B is likely a System Common wire and may be connected to the terminal Connecting a System Common wire to this thermostat s B terminal may damage the thermostat and also your heating and cooling system Some Heat Pump systems have a wire for AUX electric heat usually W2 and also a separate wire for Emergency electric heat usually E This thermostat uses the W2 terminal for both AUX and Emergency Heat Tape off your E wire and confirm that all components function without it f replacing an old thermostat that has a mechanical clock there may be two wires labeled as C for the clock power Tape off these wires and do not connect them to the terminal of this thermostat WIRING DIAGRAMS DIAGRAM SYSTEM TYPE DESCRIPTION PAGE 1 CONVENTIONAL HEATING 10 1 STAGE OR 2 STAGE 2 3 4 5 WIRES 2 CONVENTIONAL
21. his unit fails because of defects in materials or workmanship within three years of the date of original purchase LUX will at its option repair or replace it This warranty does not cover damage by accident misuse or failure to follow installation instructions Implied warranties are limited in duration to three years from the date of original purchase Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you Please return malfunctioning or defective units to the location from which the purchase was made along with proof of purchase Please refer to TECHNICAL ASSISTANCE before returning thermostat Purchaser assumes all risks and liability for incidental and consequential damage resulting from installation and use of this unit Some states do not allow the exclusion of incidental or consequential damages so the above exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Applicable in the U S A and Canada only MERCURY WARNING AND RECYCLING NOTICE Mercury is considered to be a hazardous material If this product is replacing a thermostat that contains mercury in a sealed tube contact your local waste management authority for instructions regarding recycling and proper disposal It may be unlawful in your state to place it in the trash Day 9 FAN
22. ing tightened WIRING BASE PLATE NOTICE This thermostat model is part of a family of similar models that have the same general visual appearance Even though this base plate may look the same as base plates from other models the wiring connections may have different terminal letters for different purposes Please do not interchange the back plates and or thermostat front halves of other similar looking models Doing so may cause undesired heating and or cooling operation to occur WIRING DIAGRAM NOTES Important please read all notes before connecting wires e f the information provided in the following wiring diagrams does not clearly represent or match your system please refer to the TECHNICAL ASSISTANCE section of this manual and contact us before removing any of your existing thermostat wiring All of the dashed wires shown in the wiring diagrams are either optional or their usage depends upon your specific system type or brand For example Diagram 41 shows the fan wire as optional If your system does not have a fan than this terminal will not be used Terminal letters shown in black represent typical wiring applications Depending upon the brand of your specific system or thermostat your terminal letters may not match exactly Terminal letters shown in gray represent other possible wiring designations that you might see on your existing thermostat terminals The optional 0 terminal is used for powering the t
23. is is for the majority of heating systems that are not Heat Pumps such as a gas furnace or hot water boiler HP Use this setting if you have a Heat Pump system which uses the outdoor unit as the primary heat source and may also contain an electric heating element as a backup heat source When set to HP ensure that you have also set the Gas Electric circuit board option to ELEC as described in the COMPLETE THE INSTALL section 20 ITEM 07 DLAY DELAY TIME 5 default Thermostat waits 5 minutes before turning the system back on after it was last run This internal delay prevents rapid cycling and provides equipment protection The 5 minute setting is fine for most applications 2 Same operation as above but reduced to 2 minutes between state changes ITEM 808 TEMPERATURE SWING A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies from the desired set point temperature The amount of this variation is called the swing Use the UP DOWN buttons to change the number value between 1 and 9 Generally your system should cycle on about 3 to 6 times per hour A smaller swing number makes the system cycle more frequently so the room temperature is more precise and constant A larger swing number will make the system remain on for a longer duration each time and decreases the number of cycles per hour ITEM 809 STAGE 2 OFFSET 2 default This setting is adjusted
24. it and return to the Normal Run screen with no changes made If the entered code is correct the screen will add the word SET and display the current cool set temperature limit Use the UP DOWN buttons to adjust the minimum cool set temperature value Press the NEXT button to accept the setting and return to the Normal Run screen in cool mode TO CHANGE THE TEMPERATURE STOP LOCK CODE Place the System Mode switch in the OFF position and the Set Slide switch in the RUN position Press and hold the NEXT button for at least 5 seconds The words STOP and LOCK CODE will appear on the screen along with two digits Use the UP DOWN buttons to enter the current code 00 by default and press the NEXT button one time The word SET will now be displayed Use the UP DOWN buttons to choose a new 2 digit code between 00 and 99 Press the NEXT button to accept the setting The screen will flash briefly to confirm the code change and return to the Normal Run screen in Off mode IF YOU FORGET YOUR TEMPERATURE STOP CODE The code can be reset to the factory default 00 by performing the following steps Place the System Mode switch in the OFF position and the Set Slide switch in the RUN position Press and hold the NEXT and HOLD buttons together for at least 10 seconds The screen will start flashing and display words SET STOP and LOCK CODE along with the new code of 00 After a couple seconds the screen
25. med in a timely manner as the thermostat will timeout and automatically exit the adjustment screen after approximately 10 seconds without a button press TO CHANGE THE TEMPERATURE CALIBRATION Ensure that the System Mode Switch is in the OFF position and the Set Slide switch is in the RUN position Press and hold both the UP and DOWN buttons together for at least 5 seconds The words SET and CAL will appear on the screen along with a single flashing temperature digit Use the UP DOWN buttons to change the number of degrees of adjustment 0 degrees is the default value and means no correction is being applied Press the NEXT button to accept the setting TEMPERATURE LIMIT STOPS There are two independent set temperature limit stops a maximum heat set temperature and a minimum cool set temperature These stops do not prevent a user from performing normal actions like Temperature Override or Hold The Heat Limit Stop prevents the set temperature from being adjusted higher than the heat limit setting The Cool Limit Stop prevents the set temperature from being adjusted lower than the cool limit setting Each of these temperature stops is user adjustable in one degree increments and these settings are protected by a selectable 2 digit code to prevent unauthorized tampering By default this 2 digit code is 00 and the temperature stops can be used as is with this code NOTE The Temperature Limit Stop settings need to be performed in
26. nd them in a manner so that they do not fall back inside the wall Do not allow bare wire ends to touch each other Loosen the mounting screws for the old thermostat and carefully remove it from the wall INSTALL THERMOSTAT BASE THERMOSTAT TOP VIEW 1 Strip wire insulation leaving only 3 8 in 9 5mm bare wire ends and clean off any corrosion present 2 Fill the wall opening with non combustible insulation to prevent drafts from affecting the thermostat s normal operation 3 Separate new thermostat housing using your thumb and index finger Provide pressure in opposite directions to the release tabs on the top of the housing in the directions shown in the diagram shown above 4 Route the wires through the opening in the new thermostat base plate and hold the base against the wall Try to line up the screw holes from the prior thermostat and install the mounting screws 5 If the previous holes cannot be used hold the thermostat base against the wall so that it appears straight and level position the base for best appearance and mark for the new screw holes Attach the base to the wall using the screws provided use the supplied plastic anchors if needed when mounting to a soft material such as drywall WIRING INFORMATION CONNECTING THE WIRES When attaching the wires to the thermostat please ensure that the bare wire ends are held ALL the way into the terminal block while the screw is be
27. of the remaining battery life HLL available on the thermostat s display screen When brand new batteries are installed in the battery compartment this graphic should indicate full battery life remaining with all bars present Over time as the battery life decreases to the point of having only 1 bar left the Temperature of WIIIIb and Clock digits will start to alternate between Ou showing their normal content and the words LO BATT At this point the batteries will need to be replaced as soon as practical to avoid uninterrupted operation of your heating and or cooling system In most cases the thermostat will be capable of providing you approximately two months of normal operation once the point of 1 bar left has been reached and the screen shows the words LO BATT 30 TECHNICAL ASSISTANCE If you have any problems installing or using this thermostat please carefully and thoroughly review the instruction manual If you require assistance please contact our Technical Assistance department at 856 234 8803 during regular business hours between 8 00AM and 4 30PM Eastern Standard Time Monday through Friday You can also receive technical assistance online anytime day or night at http www luxproducts com Our website offers you troubleshooting guides answers to the most common technical questions and also permits you to email your questions to our technical support staff at your convenience LIMITED WARRANTY If t
28. s and days of the week In many cases an item may be flashing if it can currently be adjusted HOLD BUTTON This button activates and deactivates the manual Temperature Hold feature EMER BUTTON When in Normal Run mode the usage of this button varies depending upon your specific system configuration For heat pump systems pressing this button enables your emergency heat function which is described in greater detail in the OPERATING INSTRUCTIONS section For conventional Systems there is no such thing as emergency heat so this button will have no effect NEXT BUTTON This button is mostly used while setting items such as software options and temperature program periods When there are several items on the screen that can be changed usually one of them is flashing indicating that it can be adjusted Pressing the NEXT button will cycle through which item is flashing 19 SYSTEM CONFIGURATION AND SETUP OPTIONS Setup options for how the thermostat will function along with choosing your particular system type are performed using a menu on the display screen TO ACCESS THE SETUP MENU Move the System Mode switch into the OFF position and then hold down the EMER button for approximately 5 seconds until the screen changes The menu will always start with item 1 and is advanced to each following item by a single press of the NEXT button The options for each item are changed using the UP or DOWN buttons ITEM 01 CLK CLOCK FORMA
29. s different operating 23 characteristics you should refer to your heat pump literature to determine when to disable the heat pump and run in Emergency Heat mode In general for most heat pump systems use Emergency Heat mode whenever the outside temperature is less than 32 F 0 C degrees LCD DISPLAY BACKLIGHT The display screen is lighted to assist viewing at nighttime or in locations with low light levels A press of any button on the front panel will light the display for approximately 10 seconds Any button presses that occur while the light is on will reset the 10 second timer causing the screen to remain illuminated for an additional 10 seconds TEMPERATURE OVERRIDE While in Program RUN mode the set temperature can be temporarily changed by pressing UP or DOWN The set temperature will return to the programmed value stored in memory when the start time of the next upcoming program period is reached Morn Day Eve Nite While a Temporary Override is in effect the word OVERRIDE will be shown in the display screen An Override may be cancelled moving the mode switch to OFF then back to HEAT or COOL TEMPERATURE HOLD A Temperature Hold is used for maintaining a fixed set temperature Once a Hold is initiated the thermostat will maintain the set temperature indefinitely A Hold may be used for days weeks or even months at a time as long as the thermostat has adequate power To enter Hold mode press the HOLD button one
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31. will automatically return to the Normal Run screen in Off mode 27 KEYPAD LOCKOUT You can lock the front panel buttons to prevent unauthorized tampering of your thermostat settings NOTE These keypad lock instructions need to be performed in a timely manner The 4 button sequence which locks the thermostat must be entered within a 10 second timeframe or the keypad lockout sequence will have to be entered again from the beginning TO LOCK THE KEYPAD Start with the System Mode switch in either the HEAT or COOL positions and the Set Slide switch in the RUN position Perform a single press of each button in the following sequence NEXT NEXT NEXT HOLD TO UNLOCK THE KEYPAD Start with the System Mode switch in either the HEAT or COOL positions and the Set Slide switch in the RUN position Perform a single press of each button in the following sequence NEXT NEXT NEXT HOLD The padlock should no longer be present with the thermostat now unlocked If the padlock is still on the screen please try to enter the 4 button sequence again AIR FILTER MONITOR In most systems that use a blower fan and air ducts there is an air filter that is either replaceable or requires cleaning The filter is usually located in the air handler where the blower fan is This thermostat feature assists you with keeping track of proper maintenance and or periodic replacement intervals for your system s filter The Air Filter Monitor counts the duration o
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