Lux Products TX250 (discontinued) Instruction Manual
Contents
1. HEATING SYSTEMS B TAPE OFF C TAPE OFF Tc TAPE OFF G F FAN RELAY EO b COOLING COMPRESSOR lt t G2 alla HEATING CONTROL l O CooL TRANSFER E 3 AS D 5 v R RC RH HEATING TRANSFER EP NG DAMPER OR CHANGEOVER O F VALVE Powered in Cool ES DAMPER OR CHANGEOVER 09 EB VALVE Powered in Heat lf replacing a Honeywell TM 11 tape off wire R connect wire B to terminal RH f replacing a Honeywell thermostat with a clock wire C tape off wire C COOLING SYSTEMS FAN RELAY COOLING COMPRESSOR HEATING CONTROL COOL TRANSFER HEATING TRANSFER DAMPER OR CHANGEOVER VALVE Powered in Cool DAMPER OR CHANGEOVER VALVE Powered in Heat TC TAPE OFF If both Y and C wire are present tape off C wire HEATING COOLING SYSTEMS 4 or 5 WIRE WITH ONE TRANSFORMER TC TAPE OFF FAN RELAY COOLING COMPRESSOR HEATING CONTROL COOL TRANSFER HEATING TRANSFER DAMPER OR CHANGEOVER VALVE Powered in Cool DAMPER OR CHANGEOVER VALVE Powered in Heat If both Y and C wire are present tape off C wire HEATING COOLING SYSTEMS 5 or 6 WIRE WITH TWO TRANSFORMERS FAN RELAY COOLING COMPRESSOR HEATING CONTROL COOL TRANSFER HEATING TRANSFER DAMPER OR CHANGEOVER VALVE Powered in Cool E DAMPER OR CHANGEOVER VALVE Powered in Heat Tc T2. Set Temperature without changing the programs TEMPERATURE HOLD stored in your thermostat s memory TEMPORARY Press UP DOWN to change the current temperature TEMPERATURE OVERRIDE setting The OVERRIDE indicator appears on display e The OVERRIDE feature will be automatically canceled un at the start of the next program period e To cancel OVERRIDE prior to next program period press UP DOWN until original set temperature appears OVERRIDE indicator will disappear from display KHOE OVERRIDE TEMPERATURE HOLD e Press HOLD Adjust temperature as LISS E desired with UP DOWN e Temperature setting will not change even Ho Pm after next program period begins Hop e To clear press HOLD again ADVANCED FEATURES TEMPERATURE SWING A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies a certain number of degrees from the set point temperature This variation is the swing Your system should cycle on about 3 to 6 times per hour A smaller swing number increases the number of cycles so room temperature is more constant Setting 1 is approximately 1 4 F Each increase of 1 value increases the swing by approximately 1 4 F A larger swing number decreases the number of cycles and may save energy in some cases SWING SETTINGS Press together o pw Speed Slide must L be in the run ba hange Press to set WwW A R N l N G Making these ch
3. m and 4 30 p m Eastern Standard Time Monday through Friday The number is 856 234 8803 or visit our online technical support at www luxproducts com WARRANTY Limited Warranty If this unit fails because of defects in materials or workmanship within one year of 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 one year from 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 participating retailer from which purchase was made along with proof of purchase Please refer to Technical Service Section 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 only COPYRIGHT 2004 LUX PRODUCTS CORPORATION ALL RIGHTS RESERVED 3
4. APE OFF OPTIONAL OPTIONAL Corr if both Y and C wire are present tape off C wire These diagrams below are provided for new installations or unreferenced wires COPYRIGHT 2004 LUX PRODUCTS CORPORATION ALL RIGHTS RESERVED TYPICAL HOOKUP FOR 2 WIRE TYPICAL HOOKUP FOR 3 WIRE TYPICAL COOLING AND 24V HEATING SYSTEM AND HEAT SYSTEM IF THIRD HEATING SYSTEM MILLIVOLT SYSTEM WIRE IS FAN WIRE 4 WIRE a OHYOUM A D a OHYHOUM A TYPICAL COOLING AND TYPICAL SINGLE STAGE HEATING SYSTEM HEAT PUMP WIRING 5 WIRE a O HH UYM A 9 REMOVE JUMPER BETWEEN RC AND RH ADD JUMPER BETWEEN Y AND W NOTE If you have an electric system and the blower does not operate after installation find the electric gas heat jumper on the back of the body Move the jumper to the ELEC position INSTALLING BATTERIES MAINTENANCE The TX250 requires batteries to operate your furnace and retain its programming in memory Replace the batteries when the REPLACE indicator appears in the display or at least once a year REPLACE BATTERIES WHEN P gf INDICATOR APPEARS N om gt erT OR AT LEAST ONCE A YEAR A 1 Remove fresh batteries from their carton 2 Cup and hold thermostat body and left tab in place with left hand Separarte tabs with right hand Battery Compartment 3 Remove the used batteries 4 In
5. INSTALLATION AND OPERATING INSTRUCTIONS ME TX250 SERIES SMAR RONIC THERMOSTAT Cae TE Easy as en 1 2 3 Installs Easily Set Day amp Time Choose Heat or Cool Complete Easy To Read Programming And Installation Instructions Inside LUX PRODUCTS CORPORATION Mt Laurel New Jersey 08054 USA 43374 WARNING Use Energizer or DURACELL Alkaline Batteries Only Energizer is a registered trademark of Eveready Battery Company Inc DURACELL is a registered trademark of The Gillette Company Inc IMPORTANT READ Thank you for your confidence in our product To obtain the best results INSTALLATION from your investment please read these instructions and acquaint yourself with your purchase before installing your new thermostat Then follow the SEV eel installation procedures one step at a time This will save you time and FIRST minimize the chance of damaging the thermostat and the systems it controls These instructions may contain information beyond that required for your particular installation Please save for future reference FEATURES The TX250 can be Liquid Crystal used with most 24 Display volt gas oil or Thermostat Fan Switch electric heating Body and air conditioning systems single stage heat pumps or gas millivolt 12 0085 heating systems wt It cannot be used with 120 volt heating Reset systems or multistage Button heat pump
6. ON THE WALL 2 Fill wall opening with E non combustible 1 Strip insulation 3 8 in OD EEE Q Smm from wire ends Ra Has is poran rafts from affecting and clean off any corrosion the thermostat 3 Cup and hold thermostat body and left tab in place with left hand Separarte tabs with right hand c HA U T Il Be careful not to drop the body or disturb electronic parts COPYRIGHT 2004 LUX PRODUCTS CORPORATION ALL RIGHTS RESERVED 1 TAT g a C4 L L L L VE 1 L VL 1 lt ATTACHING WIRES Latch Button 4 Hold the base against the wal wherever it is convenient for wiring Route the wires to the terminal block Position the base for best appearance to hide any marks from an old thermostat Attach the base to the wall with the two screws provided NOTE If you are mounting the base to a soft material like plasterboard or if you are using the old mounting holes the screws may not hold Drill a 3 16 in 4 8mm hole at each screw location and insert the plastic anchors provided Then mount the base as described below with the wires coming through C A U T Do not allow wires to touch each other or parts on thermostat Wires must be trapped between black spacer and brass terminal Also be sure to securely tighten all 7 electrical terminal screws O N WIRING DIAGRAMS
7. anges will require you to reset the thermostat Copy any of your customized programs onto the blank chart This will be your reference to re enter the programs afterwards CHANGING FROM F TO C AND A 12HR CLOCK TO A 24HR CLOCK e WARNING Making these changes will require you to reset the thermostat Copy any of your customized programs onto the chart below This will be your 2p reference to reenter the programs OPEN CLOSE a afterwards o JP3 2MIN 5MIN e Located to the left of the circuit board are three black jumpers C F and 24 12H JP2 C F e To change to Celsius remove jumper JP2 JP1 24HR 12HR e To change to a 24HR clock remove Maona jumper JP1 i ad e Press the reset key on the front of the thermostat for changes to take effect e Reprogram as necessary 5 MIN 2 MIN MINIMUM ON OFF TIME Your thermostat has an internal timer built in to protect your compressor The timer forces a minimum on off time of 5 minutes You may change this minimum on off time to 2 minutes To accomplish this remove the jumper labeled JP3 You must press the small reset button on the face of the thermostat for the changes to take effect TECHNICAL SERVICE If you have any problems installing or using this thermostat please reread the instructions carefully Technical Service is available through our Technical Service Number If you require assistance please call our offices between 8 00 a
8. m the 1X250 for controlling your heater TX250 for controlling your air conditioner Slide the Speed Slide to SET WEEKDAY PROGRAM To program the weekends SET WEEKEND With Slide on SET WEEKDAY PROGRAM you will see the display above To change the start To change the start time for MORN time for EVE ver To program temperature To program temperature To change the temp To change the temp setting for MORN setting far EVE j To move to DAY Cex To move to NIGHT To change start time To change the start for DAY time for NIGHT To program temperature xem To program temperature To change the temp To change the temp setting for DAY setting for NIGHT To move to EVE Move Speed Slide to RUN position to start the programs SETTING THE TIME AND DAY mo A U T l o N al Jo The TX250 is protected against normal static electric discharges a ou However in extremely dry weather you should touch another metal object before the TX250 to avoid potential loss of programs Move the Speed Slide to SET DAY TIME position You should see the display pictured above with a day of the week flashing When you are finished setting the day and time rotate the dial to RUN to return to normal operation or to another position to continue programming To change To set current time The e g To change the current day 42 00 will be flashing current time TEMPERATURE OVERRIDE AND These features let you change the current
9. r thermostat is a precision instrument Please handle it with care e Tum off electricity to the appliance before installing or servicing thermostat or any part of the system Do not tum electricity back on until work is completed e Do not short jumper across electric terminals at control on furnace or air conditioner to test the system This will damage the thermostat and void your warranty e All wiring must conform to local codes and ordinances e This thermostat is designed for use with 24 volt and millivolt systems The thermostat should be limited to a maximum of 1 0 amps higher amperage may cause damage to the thermostat If you are in doubt call your utility company INSTALLATION Please read all instructions carefully before beginning installation TOOLS REQUIRED 1 Phillips screwdriver small Drill with 3 16 in 4 8mm bit THERMOSTAT LOCATION On replacement installations mount the new thermostat in place of the old one unless the conditions listed below suggest otherwise On new installations follow the guidelines listed below 1 Locate the thermostat on an inside wall about 5 ft 1 5m above the floor and in a room that is used often 2 Do not install it where there are unusual heating conditions such as in direct sunlight near a lamp radio television radiator register or fireplace near hot water pipes in a wall near a stove on the other side of a wall 3 Do not locate in unusual cooling conditions s
10. s Ask your dealer for other LUX somes oan thermostats to e ae ad 5 wite The TX250 is Seis Speed programmable Slide There are four programming periods per day Each period can be programmed separately Easy to use Speed Slide You can use the built in time temperature programs or alter them to suit your schedule The TX250 provides separate programming for weekdays and weekends for both heating and cooling You can override the programmed temperatures for as little as one programming period or for an entire vacation In cool weather when the system switch is set to HEAT the TX250 may maintain cooler set back room temperatures to save energy It will then change to warmer comfort settings automatically at specified times during the day In warm weather when the system switch is set to COOL the TX250 may maintain warmer set back room temperatures to save energy It will then change to cooler comfort settings automatically at specified times during the day A liquid crystal display shows time day of the week and room and set temperatures Temperature swing adjustment lets you fine tune your system for maximum comfort and economy A 2 or 5 minute minimum off time in COOL prevents your air conditioning system from being damaged Two Energizer or DURACELL AA alkaline batteries not included are used to retain your time and temperature programs C A U T l O N e You
11. stall two new Energizer or DURACELL AA size alkaline batteries in the battery compartment Observe the polarity marking shown in the compartment Place body back on wall NOTE When replacing batteries you have approximately 1 minute before programs are lost WARNING Use Energizer or DURACELL Alkaline Batteries Only 5 Align the top of the body onto the base and press together Installation is now complete Be sure to turn the power back on to your heating and or air conditioning system If this is the first time you are installing batteries the thermostat will display SUN 12 00 AM Within 90 seconds the thermostat will begin to display the room temperature alternately with the time To correct the display see Setting the TIME and DAY after you set the programs PROGRAMMING CHART DAY PERIOD HEA COOL MON TEMP THRU FRI T OPERATION The TX250 alternately displays the current time and the room temperature It also displays the day of the week and the currently active program period that is controlling the temperature MORN DAY EVE or NITE The set point temperature will appear in the right side of the display In the winter set the system switch to HEAT to control your heating system In the summer set the switch to COOL to control your air conditioner In spring and fall or when windows are open you can set the system switch OFF Setting the FAN
12. switch to AUTO N 0 T E automatically runs your system s fan The FAN switch works only if your system during heating and cooling Setting provides a wire for the TX250 s G terminal the FAN switch to ON runs your system s fan continuously even without heating or cooling THE BUILT IN ENERGY STAR PROGRAMS Push in the RESET key This sets the default heating and faa aiw COOL cooling programs To review the This thermostat is armchair programmable You can make any program or setting changes with the thermostat body off or on the wall thermostat base WEEKDAYS 6 00 AM 70 6 00 AM 78 default programs move the Speed a s Slide to SET WEEKDAY or preprograms 8 00 AM 62 8 00 AM 85 SET WEEKEND 6 00 PM 70 6 00 PM 78 You can use the default 10 00 PM 62 10 00 PM 82 programs as shown or change them as you wish Each day is divided into four periods Each 6 00 AM 70 6 00 AM 78 period has its own starting time WEEKEND 8 00 AM 62 8 00 AM 85 and temperature preprograms 6 00 PM 70 6 00 PM 78 10 00 PM 62 10 00 PM 82 PROGRAMMING THE TX250 You can change any preset times and or temperatures to suit your schedules for the weekday and weekend programs Each period Morning Day MO TU WE TH FR Evening and Night is programmed for HEAT and for COOL MORN l l uc 5r aM HEAT S OFF COOL Select HEAT to program the OR Select COOL to progra
13. uch as on a wall separating an unheated room or in a draft from a stairwell door or window 4 Do not locate in a damp area This can lead to corrosion that will shorten thermostat life 5 Do not locate where air circulation is poor such as in a corner or an alcove or behind an open door 6 Do not install the unit until all construction work and painting has been completed 7 This thermostat does not require leveling CAUTION To avoid electrical shock and to prevent damage to the furnace air conditioner and thermostat disconnect the power supply before beginning work This can be done at the fuse box at the circuit breaker or at the appliance REMOVING THE OLD THERMOSTAT SAUTI ane Switch electricity to the furnace and air conditioner before removing any OFF then proceed with the following steps wiring from existing a 1 Remove cover from old thermostat thermostat Wires must be Most are snap on types and simply labeled before they are pull off Some have locking screws removed When removing on the side These must be loosened AE A a clon 2 Note the letters printed near the terminals Attach is labels enclosed to each wire for identification WES STER ese may not Remove and label wires one at a time Make sure the COMPIY with the standard wires do not fall back inside the wall 3 Loosen all screws on the old thermostat and remove it from the wall MOUNTING THE TX250
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