Lux Products SMART TEMP TX9100Ua Installation And Operating Instructions Manual Download Page 3

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SETBACK

HOLD

SET

R U N

DAY/TIME

TEMP PROG

SPEC PROG

FILT / ENRGY

TEMPERATURE

HEAT

OFF

COOL

FAN

AUTO

COPY/

EMER

NEXT

LCD Display Screen

TX9100Ua

UP / DOWN Buttons

Set Slide

Switch

Fan Mode
Switch

System Mode
Switch

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:

• Most 24-volt heating and cooling systems
• 1 or 2 stage Heat / 1 or 2 stage Cool: Gas, Oil or Electric systems
• 1 or 2 stage Heat / 1 or 2 stage Cool: Heat Pump systems
• 3-wire hydronic (hot water) zone valves
• 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.

SYSTEM COMPATIBILITY:

Summary of Contents for SMART TEMP TX9100Ua

Page 1: ...MART TEMP UNIVERSAL 7 DAY PROGRAMMABLE THERMOSTAT FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS INSTALLATION AND OPERATING INSTRUCTIONS IMPORTANT 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 Ignore the color of the wires since they may not comply with any stan...

Page 2: ...s 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 anticipated The thermostat is a sensitive device and dropping the product can cause damage to critical comp...

Page 3: ...erminal with a maximum total combined load of 3 0A for all terminals combined COMPATIBLE WITH Most 24 volt heating and cooling systems 1 or 2 stage Heat 1 or 2 stage Cool Gas Oil or Electric systems 1 or 2 stage Heat 1 or 2 stage Cool Heat Pump systems 3 wire hydronic hot water zone valves Gas Millivolt heaters NOT COMPATIBLE WITH 120 240 VAC line voltage systems without a transformer ask your LUX...

Page 4: ...ble keypad lockout for unauthorized users Manual temperature hold Adjustable vacation hold 1 to 30 days 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 t...

Page 5: ... 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 1 Turn OFF the electricity to all heating and cooling components Do not turn the electricity back on until all work is completed 2 Remove the front portion of your old th...

Page 6: ...d 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 i...

Page 7: ...m 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 If your old thermostat has both a Y and C wire both present then C is most likely a System Common wire For Heat Pump systems you will use either the O terminal or the B termina...

Page 8: ...CONVENTIONAL HEATING AND COOLING 12 1 STAGE 4 5 WIRES 5 CONVENTIONAL HEATING AND COOLING 13 1 STAGE OR 2 STAGE 4 5 6 7 WIRES 6 CONVENTIONAL HEATING AND COOLING 14 TWO TRANSFORMERS 5 6 WIRES 7 HEAT PUMP HEATING AND COOLING 15 SINGLE STAGE ONLY 4 5 WIRES 8 HEAT PUMP HEATING AND COOLING 16 WITH AUX EMERGENCY HEAT 5 6 WIRES DIAGRAM SYSTEM TYPE DESCRIPTION PAGE WIRING DIAGRAMS ...

Page 9: ...4 W B W2 RH V R W1 A Y2 O B W2 C G Y1 RC RH 1 STAGE OR 2 STAGE HEATING ONLY INCLUDING MILLIVOLT 2 WIRE HEAT USE RH W1 Factory RH RC Jumper Wire Installed 1 2 3 4 5 WIRES C HEATER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON FAN WIRE MAY NOT BE PRESENT IN ALL SYSTEMS O P T I O N A L 9 ...

Page 10: ...RAND SPECIFIC X W1 4 W B A RH V R W1 A Y2 O B W2 C G Y1 RC RH HOT WATER HEATING ONLY WITH A 3 WIRE ZONE VALVE Factory RH RC Jumper Wire Installed 2 C SYSTEM 24V TRANSFORMER SYSTEM COMMON OPEN Heat On CLOSE Heat Off 3 WIRE ZONE VALVE OPEN CLOSE 3 4 WIRES O P T I O N A L 10 ...

Page 11: ...L LETTERS ARE BRAND SPECIFIC X F G Y1 6 Y B Y2 RC V R W1 A Y2 O B W2 C G Y1 RC RH 1 STAGE OR 2 STAGE COOLING ONLY Factory RH RC Jumper Wire Installed 3 C AIR CONDITIONER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 3 4 5 WIRES O P T I O N A L 11 ...

Page 12: ... BRAND SPECIFIC RH RC V R Y1 6 Y X F G W1 4 W B W1 A Y2 O B W2 C G Y1 RC RH CONVENTIONAL NON HEAT PUMP 1 STAGE HEATING AND 1 STAGE COOLING Factory RH RC Jumper Wire Installed 4 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON HEATER AIR CONDITIONER 4 5 WIRES O P T I O N A L 12 ...

Page 13: ... Y X F G W1 4 W B W2 RH V R Y2 W1 A Y2 O B W2 C G Y1 RC RH CONVENTIONAL NON HEAT PUMP 2 STAGE HEATING AND 2 STAGE COOLING Factory RH RC Jumper Wire Installed 5 C HEATER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON AIR CONDITIONER STAGE 1 STAGE 2 4 5 6 7 WIRES O P T I O N A L 13 ...

Page 14: ... R V RC Y1 6 Y F G W1 4 W W1 A Y2 O B W2 C G Y1 RC RH CONVENTIONAL NON HEAT PUMP 1 STAGE HEATING AND 1 STAGE COOLING WITH TWO SEPARATE 24V TRANSFORMERS Factory RH RC Jumper Wire REMOVED 6 FAN HEAT 24V TRANSFORMER COOL 24V TRANSFORMER SYSTEM COMMON HEATER AIR CONDITIONER 5 6 WIRES O P T I O N A L 14 ...

Page 15: ... F G O X B W1 A Y2 O B W2 C G Y1 RC RH SINGLE STAGE HEAT PUMP SYSTEM WITH NO AUX OR EMERGENCY HEAT Factory RH RC Jumper Wire Installed CUSTOMER INSTALLED Y1 W1 Jumper Wire 7 C FAN SYSTEM 24V TRANSFORMER REVERSING VALVE SYSTEM COMMON HEAT PUMP 4 5 WIRES O P T I O N A L Use O or B Terminals Never Both 15 ...

Page 16: ...W W2 F G O W1 A Y2 O B W2 C G Y1 RC RH 2 HEAT 1 COOL HEAT PUMP SYSTEM WITH AUX AND EMERGENCY HEAT 8 FAN SYSTEM 24V TRANSFORMER REVERSING VALVE AUX EMERG HEAT SYSTEM COMMON HEAT PUMP 5 6 WIRES O P T I O N A L Use O or B Terminals Never Both Factory RH RC Jumper Wire Installed CUSTOMER INSTALLED Y1 W1 Jumper Wire 16 ...

Page 17: ...on 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 5 individual pos...

Page 18: ...ve 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 Setup options for how the thermostat will function along with choosing you...

Page 19: ...URN default This 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 descr...

Page 20: ...T CYCLE DURATION When the heating cooling system turns on it will remain running for as long as necessary to reach and maintain your target set temperature EXAMPLE with an ITEM 09 HEAT CYCLE setting of 12 the heating system will turn on approximately 5 times per hour turning ON once every 12 minutes With an ITEM 10 COOL CYCLE setting of 20 the cooling system will turn on approximately 3 times per ...

Page 21: ...Only While in normal Heat mode with the Set Slide switch in the RUN position one single press of the COPY 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 ...

Page 22: ...IDE 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 ...

Page 23: ...d the thermostat will advance to Tuesday with the MORN period start time flashing Perform the same steps that you used for setting the Monday periods pressing the NEXT button to advance through each flashing value Return the Set Slide switch to the RUN position when you are finished PROGRAM COPY FEATURE The Copy feature allows you to copy all of the program information from any one single day to a...

Page 24: ... 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 in the upper right corner of the ...

Page 25: ...nd 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 SPECIAL PROGRAM FEATURE The Special Program operates in the same manner as the normal heating and cooling programs do however the Special Program activation is temporary for a selected numbe...

Page 26: ...am to be used Press the NEXT button to accept the setting and exit While the Special Program is in effect the clock time will alternate with the words SPECIAL DAYS and a two digit value to indicate the amount of days remaining TO CANCEL THE SPECIAL PROGRAM Press and hold the HOLD button for at least 5 seconds The SPECIAL DAYS will stop alternating with the clock time and the thermostat will now be...

Page 27: ...ress 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 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 r...

Page 28: ...ds The thermostat will return to the Normal Run screen with a padlock shown to confirm that the thermostat is now locked TO UNLOCK THE KEYPAD Press and hold the NEXT button for 5 seconds and the words ENTER CODE will appear at the top of the screen Enter the proper unlock code that was used for initially locking the thermostat Press the UP DOWN buttons to change each flashing digit using the NEXT ...

Page 29: ... Filter Monitor will be completely disabled TO RESET THE FILTER USAGE COUNTER Move the Set Slide switch to the FILT ENRGY position The words FILTER LEFT will be shown at the top of the screen 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 t...

Page 30: ...Usage NOTE For the Total Cumulative Usage the timer will record up to a maximum of 99 hours and 59 minutes then the display will change to HHHH for hours only without the colon in the center Return the Set Slide switch to the RUN position when you are finished TO RESET THE COOL ENERGY USAGE While viewing the Total Usage value press and hold the HOLD button for at least 4 seconds The usage should n...

Page 31: ...nd 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 and should not be used during normal operation To activate this feature press and hold both the NEXT and HOLD buttons whil...

Page 32: ... front and back halves together properly BATTERY GRAPHIC Anytime that batteries are physically present in the thermostat there will be a visual indication of the remaining battery life 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 ...

Page 33: ...lace 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 th...

Page 34: ...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 34 MERCURY WARNING AND RECYCLING NOTICE Mt Laurel New Jersey 08054 USA http www luxproducts com 856 234 8803 SETBACK HOLD ...

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