Lux Products P621U Thermostat User Manual
Contents
1. RST is a small round push button that is located towards the e left side if the circuit board just below the battery holder A Software Reset is used to erase all heating and cooling SW RST temperature programs and any user adjustable software values such as Swing Offset and Calibration to their original factory default values To perform a Software Reset press and hold the Software Reset button for at least 5 seconds The LCD display screen will become fully populated than return to normal The thermostat will still retain the current day and ttime even after a Software Reset has been performed 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 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 30 BATTERY REPLACEMENT T2. A 9 pajjejsu 18duinf JY HY 01224 911002 35V1S L 9NILV3H 3918 1 1V3H NON 1VNOILN3ANO2 12 21412445 JYV 5831131 TVNIIWH31 AVH9 7 214 1 5831131 TVNIINH31 2 18 JHL 310N L 3915 39115 u3WHOdSNVHu L Ave WALSAS NOIWINOS WALSAS QO 0 L oze gt lt amp 1 9 paj ejsu JY HY 10 284 911002 35V1S L 9NILV3H 39VI1S Z diMfid 1V3H NON 1VNOILN3ANO2 13 21412445 JYV 5831131 TVNIIWH31 AVH9 7 214 1 5831131 TVNIINH31 32V 18 JHL 310N Oe c lt u3WHO3dJSNVUulL Avc 1V3H u3WHOdJSNVUu L Abt 1002 NOININOD WALSAS 2 lt m J H vd A G3AOW3H 241M 1 3u Hu Mope 5 048 Avec 31VHVd3S HLIM 9NI1009 439V1S L 9NILV3H 39 15 1 dINNd 1V3H NON TVNOILN3ANOO 14 21412445 JYV 5831131 TVNIIAH3L AVH9 7 214 1 38V 5831131 TVNIINH31 32V 18 JHL 310N YIWYOJSNYYL AATWA 1V3H Avz W31SAS SNISU3A3M NOIWIN09 IN31SAS Oe O lt 29 gt lt Hu I pajjejsu 18duinf JY HY 10 284 1 LM A Q3T1VLSNI YINOLSNI sjeuiuua 48 10 0 95 1V3H A9N39uaW3 HO XNV ON HLIM INALSAS dINNd 1V3H 39V1S 3159NIS 15 21412445 GNWHE JYV 5831131 TVNIIW
3. JYV 5831131 TVNIIWH31 AVH9 7 214 1 38V 5831131 TVNIINH31 32V 18 JHL 310N u31V3H c 1 3915 avis u3WHOdSNVulL Ave WALSAS NOIWINOD IN31SAS Oe c lt ea gt lt L umm SIN31SAS TIV NI LN3S3Hd 38 LON AVIA NV4 e o H J A pajjejsu 18duinf JY HY 10 284 LM 9 ISN 1V3H 3HIM Z ONIGNTONI KINO 9NILV3H 3918 2 HO 39VIS L 21519345 GNWHE 58311431 AVH9 7 214 1 JYV 5831131 2 18 JHL 310N 380190 UO 1 8H N3d0 3NOZ 38HIM 35010 340 AvC WALSAS IN31SAS Oe O lt e Jd 9 pajjejsu 18duinf Ju HH 10 284 IMYA 3N0Z 3HIM V HLIM c AINO 9NILV3H 831VM LOH 10 21412445 JYV 5831131 TVNIIAH3L AVH9 7 214 1 38V 5831131 1 2 18 JHL 310N YANOILIGNOD uiv u3WHOdJSNVUu L WALSAS NOWINOS W31SAS oOn oz a a gt lt o Hd pajjejsu 18duinf JY HY 10 284 AINO 9NI1002 39VLS L 11 21412445 JYV 5831131 TVNIIWH31 AVH9 7 214 1 5831131 TVNIINH31 32V 18 JHL 310N u3WHOdSNVu L Ave WALSAS NOWINOS WALSAS Oo Qc lt gt lt
4. HP Use this setting if you have a heat pump unit which looks just like an outside air conditioning unit but is used for both cooing and heating SWITCH 2 OFF DOWN PROG default The thermostat controls the room temperature by following temperature program periods that you set up based upon your daily routine ON UP MAN The thermostat operates manually just like a mechanical or non programmable model This method of operation is very basic and only shows the room temperature and set temperature there are no temperature programs days of the week or clock times SWITCH 3 PERIODS OFF DOWN 4 default The thermostat uses four temperature program periods in both heating and cooling MORN DAY EVE and NITE Each period has a separate start time and a set temperature ON UP 2 The thermostat operates in the same manner as above however there are only two temperature program periods for heating and cooling DAY and NITE This 17 may be more convenient if you are typically home during the day and only need the set temperature to be different while you are sleeping SWITCH 4 SCALE OFF DOWN F default temperature values are displayed using the Fahrenheit scale ON UP C This setting displays all temperature values using the Celsius scale SWITCH 5 TIME OFF DOWN 12 HR default This setting displays the clock times and temperature program period start time values on the screen using US st
5. LUXPRO Ti SMART TEMP UNIVERSAL 5 1 1 DAY PROGRAMMABLE THERMOSTAT FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS INSTALLATION AND OPERATING INSTRUCTIONS 52161 IMPORTANT e Please read all of these instructions carefully before beginning installation e Label every wire terminal designation on your existing thermostat wiring before removing your old thermostat e Ignore the color of the wires since they may not comply with 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 COMPLETE THE INSTALL 19 SYSTEM COMPATIBILITY 3 FRONT PANELITEMS 19 FEATURES Lies unas 4 OPERATING INSTRUCTIONS 21 TOOLS YOU MAY NEED 4 TEMPERATURE PROGRAMS 23 MOUNTING LOCATION 5 ADVANCED FEATURES 24 REMOVE OLD THERMOSTAT 5 BATTERY REPLACEMENT 31 INSTALL THERMOSTAT 5 6 TECHNICAL ASSISTANCE 31 WIRING 6 LI
6. 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 being tightened WIRING DIAGRAM NOTES Important please read all notes before connecting wires e f the information provided in the followi
7. RECOV will be shown in the display screen SWITCH 8 BATTERY MONITOR OFF DOWN ON default This setting regularly monitors the battery level and shows LOW BAT on the screen if the batteries need to be replaced Use this setting at all times when batteries are present in the thermostat ON UP OFF This setting only applies if you are NOT physically using batteries in the thermostat and are powering the thermostat entirely from the system C wire terminal 18 GAS ELEC SLIDE SWITCH FAN OPERATION This switch is a physical component by itself on the circuit board and is much larger than the DIP switches listed above DOWN GAS default This setting lets the heating system control the blower fan automatically by itself Systems that would BATTERY typically use the GAS setting would be natural Tue gas propane or oil furnaces This setting has no effect upon Cool mode operation UP ELEC HP GAS This setting runs the system s blower fan when heat is called for and is required for heating systems that do not control their own fan while the thermostat is in HEAT mode Heat pump systems and units with an electric heating element typically require this setting COMPLETE THE INSTALL Once the hardware options are set install two new Energizer or DURACELL size alkaline batteries Ensure that the batteries are installed in the proper direction as per the markings shown in the battery tray
8. If the batteries were already installed before changing the hardware setup options change the position of the HEAT OFF COOL System Mode switch to accept the new hardware option switch settings 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 disable both the heating and cooling units 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 19 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 alwa
9. 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 Graphical Filter Monitor displays a visual bar graph in the center of the screen which shows the amount of air filter life remaining in 9o percent since the last time the air filter timer has been reset Each dot in the filter bar graph equals 10 percent example 4 dots shown means 40 percent filter life remaining 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 completly expired the vertical filter bar graph will be empty and 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 words SET 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 TO RESET THE FILTER USAGE COUNT
10. ER Move the Set Slide switch to the AIR FILTER position The three small digits at the bottom of the screen tell you the quantity of filter days remaining Pressing the NEXT button will toggle the display between showing the days remaining as a number or a graphical precentage remaining using the vertical bar graph Press both the UP and DOWN buttons together at the same time 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 29 HARDWARE RESET The Hardware Reset button labeled HW RST is a small round push button that is located towards the HW RST right side if the circuit board just below the battery holder ES Pressing this button will cause the LCD display screen to C become fully populated the heating and cooling load relays to cycle off read the position of the Hardware Setup Option switches 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 The Software Reset button labeled SW
11. H31 AVH9 7 214 1 38V 5831131 1 2 18 JHL 3L10N 1V3H uU3WHOJSNVu L 3A1VA 543W3 1V3H AvZ W31SAS DNISH3A3N IN31SAS Oe c lt D paj ejsu 13dwnf JY HY 0122 4 LM A GATIWLSNI 01512 4108 1 S Euiua 8 40 0 9 1V3H A9N3983W3 XNV HLIM IN31SAS dINNd 1V3H 1002 1 1V3H 2 16 HARDWARE SETUP OPTIONS the thermostat s circuit board there is a row of DIP switches labeled 1 through 48 The position of these switches will change how the thermostat operates and also how information is conveyed to you on the LCD display screen If you make any changes to these options the changes are not recognized unless you either change the position of the HEAT OFF COOL mode switch or press the HW RST Hardware Reset button on the circuit board The use of this button is further described in the ADVANCED FEATURES section of this manual These option switches are very small and should be moved carefully using objects such as eyeglass screwdriver fine point pen toothpick or similar The listing below describes the available choices for each option switch SWITCH 1 SYSTEM OFF DOWN FURN default This setting is used for the majority of all heating systems that are not heat pumps Examples for this setting would be natural gas furnace hot water baseboard heat and oil heat ON UP
12. MITED WARRANTY 32 WIRING 8 MERCURY 32 HARDWARE SETUP OPTIONS 17 2013 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 LUXPRO 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 HVAC devices may prevent the system from regulating heating and cooling as anticipate
13. and proper disposal It may be unlawful in your state to place it in the trash 32 2 2 DAY FAN 1 ED FILTER 10 gt iL Set HOLD ED m PAPRODUCIS LUX CORPORATION http www luxproproducts com 856 234 8803 33
14. andard AM and PM values ON UP 24 HR This setting displays the clock and temperature program period start time values on the screen using the 24 HR military time format 17 30 hours 22 00 hours without using AM PM SWITCH 6 DELAY OFF DOWN 5 MIN default This sets the minimum length of time that Heat or Cool must remain either On or Off before it will automatically switch to the alternate On or Off state This internal delay prevents rapid cycling of your system and provides equipment protection particularly for cooling units The 5 minute setting is fine for most applications ON UP 2 MIN If you feel that your system may need to cycle more frequently than the thermostat is allowing then you may use the 2 minute setting SWITCH 47 RECOVERY OFF DOWN DISABLE default The Early Recovery feature affects how the thermostat transitions from an energy saving setback DAY and NITE program period to a comfort MORN and EVE program period temperature when it is following the daily temperature programs When this is disabled the thermostat makes a set temperature change at the beginning of an upcoming period s start time ON UP ENABLE The Early Recovery feature will calculate the capability of your system and turn on the heating or cooling early so that the temperature in your home reaches the desired set point as close as possible to the start of the period During the time that the thermostat is performing a recovery the word
15. d 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 P621U LCD Display Screen Fan Mode Switch Set Slide Switch FAN LIE FILTER n L ALET HO SET SETBACK HOLD System Mode Switch UP DOWN 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 COMPATIBLE 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 2 stage Heat 1 stage Cool Heat Pump systems e 3 wire hydronic ho
16. d also permits you to email your questions to our technical support staff at your convenience 31 LIMITED WARRANTY If this 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
17. e thermostat will timeout and automatically exit these adjustment screens after approximately 10 seconds without a button press TO CHANGE THE SWING SETTING Ensure that the System Mode switch is in the OFF position and the Set Slide switch is in the RUN position Press and hold the HOLD button for at least 5 seconds The words SET and SWING will appear on the screen along with a single flashing digit Use the UP DOWN buttons to change the number value between 1 and 9 0 25F to 2 25F in 0 25F degree increments Number 1 is the default setting Press the NEXT button to accept the swing setting and proceed to the OFFSET setting TO CHANGE THE OFFSET After the Swing value has been accepted the words SET and OFFSET will be shown on the screen along with a flashing digit This setting is shown as a number of degrees and is similar in nature to the Swing however this only effects the operation of the second auxiliary heating stage if present The setting range for Offset is from 0 to 9 degrees When set to 0 degrees the second heating stage is completely disabled while in regular Heat mode 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 t
18. een to advance forward on its own or press the NEXT button behind the door one time to jump ahead rapidly Now use the UP DOWN buttons to select your 26 desired set temperature that will be used for the Setback duration Just like the previous step you can either wait for the screen to advance on its own or press the NEXT button to advance and return to the Normal Run screen TO CANCEL A SETBACK While in the Normal Run screen press and hold the SETBACK button for at least 2 seconds The word OVERRIDE will disappear from the screen and the Setback will be cancelled Moving the System Mode switch or Set Slide switch will also cancel a Setback 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 a timely
19. ggest otherwise On new installations please follow these general guidelines 1 Mount the thermostat an inside wall about 5 ft 1 5m above the floor 2 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 bend them in a manner so that they do not fall back inside the wall Do not allow bare wire ends to touch each other
20. he 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 MINIMUM RUN TIME The thermostat has a default internal time delay of 5 minutes between load on and load off activations to prevent heating or cooling system damage which can occur from very frequent cycling If heating or cooling does not turn on right away with a manual change in set temperature please wait at least 5 minutes and the system should resume normal operation 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 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 al
21. his 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 the LOW icon appears at the top of the display screen The batteries are located on the back of the thermostat at the top of the circuit board The front portion of the thermostat can be removed from the back half by pulling straight outwards on the top and bottom of the thermostat housing at the large indentations that are present in the center of the top and bottom edges When installing new batteries we recommend using only brand new Energizer or DURACELLS 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 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 luxproproducts com Our website offers you troubleshooting guides answers to the most common technical questions an
22. kaline 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 22 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 HARDWARE 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 the 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 period
23. 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 TEMP 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 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 TEMP 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 27 Press the NEXT button to accept the setting If the code you tried was not correct the thermostat will exit a
24. ncy 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 21 outdoor temperatures 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 has different operating characteristics you should refer to your heat pump literature to determine when to disable the heat pump and run in Emergency Heat mode 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 T
25. nd may be connected to the C terminal Connecting a System Common wire to this thermostat s terminal may damage the thermostat and also your heating and cooling system e 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 e f replacing an old thermostat that has a mechanical clock there may be two wires labeled as for the clock power Tape off these wires and do not connect them to the terminal of this thermostat WIRING DIAGRAMS DIAGRAM 1 2 3 4 5 6 7 8 SYSTEM TYPE DESCRIPTION CONVENTIONAL CONVENTIONAL CONVENTIONAL CONVENTIONAL CONVENTIONAL CONVENTIONAL HEAT PUMP HEAT PUMP e 1 STAGE OR 2 STAGE 2 3 4 5 WIRES HEATING 3 WIRE ZONE VALVE 3 4 WIRES COOLING ul usul aa 1 STAGE 3 4 WIRES HEATING AND COOLING 1 STAGE HEAT 4 5 WIRES HEATING AND COOLING 2 STAGE HEAT 5 6 WIRES HEATING AND COOLING TWO TRANSFORMERS 5 6 WIRES HEATING AND COOLING SINGLE STAGE ONLY 4 5 WIRES HEATING AND COOLING WITH AUX EMERGENCY HEAT 5 6 WIRES 21412445
26. nd 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 TEMP 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 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 28 GRAPHICAL AIR FILTER MONITOR In most systems that use blower fan and air ducts there
27. ng 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 e 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 1 shows the fan wire as optional If your system does not have a fan than this terminal will not be used e 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 e he optional terminal is used for powering the thermostat 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 e f your old thermostat has both a Y and wire both present then is most likely a System Common wire e 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 wire present then B is likely a System Common wire a
28. o 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 SETBACK FEATURE The setback feature is similar to both a Temperature Override and a Temperature Hold in that both are used to maintain a fixed set temperature instead of following a programmed daily routine A Setback can be considered the same as a Temperature Override which can last for a longer duration that you can adjust from 1 12 hours or 1 30 days By default when a Setback is activated in Heat mode the set temperature used will be 5F 3C degrees lower than the current set temp For Cool mode the set temperature used will be 5F 3C degrees higher than the current set temp TO START A SETBACK Ensure that the System Mode switch is in either the Heat or Cool position and that the Set Slider is in the RUN position Press and hold the SETBACK button for at least 2 seconds The screen will change and show the words HOURS LEFT and OVERRIDE along with two digits Use the UP DOWN buttons to set the duration for how long you would like to maintain a fixed set temperature from 1 to 12 hours If you would like to set the duration for longer than 12 hours keep pressing the UP button The display will change from HOURS LEFT to DAYS LEFT with an available duration of 1 to 30 days Once your desired Setback duration is shown on the screen you can either wait for the scr
29. o the first stage 24 Cut In Cut Out 70 F Set 1 Stage Temperature 70 69 Swing Setting 2 0 5 F 68 Offset Setting 4 F degrees 67 66 274 Stage 65 Cut In Cut Out DEGREES F Only applies if a second heat stage is present TEMPERATURE CALIBRATION The internal temperature sensor 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 3 C 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 performed 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 t
30. 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 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 and 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 PERIOD HEAT MODE COOL MODE MORN 6 00 AM 70 F 21 C 6 00 AM 78 F 26 8 00 62 17 8 00 AM 82 28 EVE 6 00 PM 70 F 21 C 6 00 PM 78 F 26 C NITE 10 00 PM 62 F 17 26 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 Emerge
31. s When the NITE period is finished for the weekdays the thermostat will advance forward to the Saturday program with the MORN period start time flashing Perform the same steps that you used for setting the weekday periods pressing the NEXT button to advance through each flashing value When the Saturday NITE period is finished the thermostat will advance forward to the Sunday program with the MORN period start time flashing Perform the same steps that you used for setting the Saturday periods pressing the NEXT button to advance through each flashing value Return the Set Slide switch to the RUN position when you are finished 23 ADVANCED FEATURES TEMPERATURE SWING AND OFFSET SETTING 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 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 There is only one Swing setting and this determines the cut in and cut out points for both the first and second stages if present in both Heat mode and Cool mode NOTE The Swing and Offset settings need to be performed in a timely manner as th
32. t water zone valves e Gas Millivolt heaters NOT COMPATIBLE WITH e 120 240 VAC line voltage systems without a transformer ask your LUXPRO dealer for thermostats to control these systems FEATURES e 1 or 2 Heat 1 Cool 5 1 1 day programming e Universal Compatibility for all system types e Weekdays Saturday and Sunday can be programmed separately e Exclusive LUX Speed Slide for easy programming User selectable periods per day 2 or 4 User selectable programmable or non programmable operation e LuxLight EL Electro Luminescent lighted display e Programmable air filter life timer e Graphical filter monitor e Keypad lockout for unauthorized users e Manual temperature hold e Adjustable vacation hold 1 to 30 days e Temporary temperature override e Adjustable temperature differential cycle rate e Adjustable 2nd heat stage Offset setting e User temperature calibration e Adjustable heat cool set temperature limit stops e Smart recovery e Dual powered battery and or 24 volt system powered e Battery free memory storage e F C temperature display e 12 24 hour clock display e 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 replacement installations mount the new thermostat in place of the old one unless the conditions listed below su
33. ys 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 SETBACK BUTTON This button activates and deactivates the SETBACK feature which overrides the set temperature for an adjustable duration This feature is described in greater detail in the ADVANCED FEATURES section 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 times 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 20 NEXT BUTTON This button is mostly used while setting items such as software options and temperature program
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