Lux Products LuxPro SMART TEMP P521Ua Installation And Operating Instructions Manual Download

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HOLD

SET

R U N

DAY/TIME

TEMP PROG

AIR FILTER

TEMPERATURE

HEAT

OFF

COOL

FAN

AUTO

EMER

NEXT

LCD Display Screen

P 5 2 1 U a

UP, DOWN and HOLD 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 stage Cool: Gas, Oil or Electric systems
• 1 or 2 stage Heat / 1 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 LUXPRO

dealer for thermostats to control these systems.

SYSTEM COMPATIBILITY:

All manuals and user guides at all-guides.com

Summary of Contents for LuxPro SMART TEMP P521Ua

Page 1: ... 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 standard Please connect wires...

Page 2: ...ration 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 components If the produc...

Page 3: ... combined load of 3 0A for all terminals combined COMPATIBLE WITH Most 24 volt heating and cooling systems 1 or 2 stage Heat 1 stage Cool Gas Oil or Electric systems 1 or 2 stage Heat 1 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 LUXPRO dealer for thermostats to control ...

Page 4: ...d 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 d...

Page 5: ...s 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 thermostat to expose the ...

Page 6: ...y 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 ma...

Page 7: ...on 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 terminal on this thermostat bu...

Page 8: ...OLING 12 1 STAGE HEAT 4 5 WIRES 5 CONVENTIONAL HEATING AND COOLING 13 2 STAGE HEAT 5 6 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 All manuals and user guides at all guides com ...

Page 9: ...W2 O B C G Y 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 All manuals and user guides at all guides com ...

Page 10: ...H V R W1 4 W A W1 A W2 O B C G Y RC RH HOT WATER HEATING ONLY WITH A 3 WIRE ZONE VALVE Factory RH RC Jumper Wire Installed 2 3 4 WIRES SYSTEM 24V TRANSFORMER SYSTEM COMMON OPEN Heat On CLOSE Heat Off 3 WIRE ZONE VALVE OPEN CLOSE O P T I O N A L 10 All manuals and user guides at all guides com ...

Page 11: ...ND SPECIFIC X F G Y1 6 Y B RC V R W1 A W2 O B C G Y RC RH 1 STAGE COOLING ONLY Factory RH RC Jumper Wire Installed 3 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 3 4 WIRES O P T I O N A L AIR CONDITIONER 11 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ... V R Y1 6 Y F G X W1 4 W B W1 A W2 C G O B Y 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 All manuals and user guides at all guides com ...

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

Page 14: ... 4 W W1 A W2 O B C G Y 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 All manuals and user guides at all guides com ...

Page 15: ... C G Y RC RH SINGLE STAGE HEAT PUMP SYSTEM WITH NO AUX OR EMERGENCY HEAT 7 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 4 5 WIRES O P T I O N A L HEAT PUMP REVERSING VALVE Use O or B Terminals Never Both CUSTOMER INSTALLED Y W1 Jumper Wire Factory RH RC Jumper Wire Installed 15 All manuals and user guides at all guides com ...

Page 16: ... 6 Y RC V R W1 A W2 O B C G Y RC RH 2 HEAT 1 COOL HEAT PUMP SYSTEM WITH AUX AND EMERGENCY HEAT Factory RH RC Jumper Wire Installed 8 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 5 6 WIRES HEAT PUMP REVERSING VALVE Use O or B Terminals Never Both AUX EMERG HEAT O P T I O N A L 16 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ...ot 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 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 These items below are all located behind the door on th...

Page 18: ... 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 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 Wh...

Page 19: ...een 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 pe...

Page 20: ...nd maintain your target set temperature EXAMPLE with an ITEM 08 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 09 COOL CYCLE setting of 20 the cooling system will turn on approximately 3 times per hour turning ON once every 20 minutes ITEM 11 STAGE 2 OFFSET 4 default This setting is adjusted as a number from 0 t...

Page 21: ...utton 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...

Page 22: ...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...

Page 23: ...or 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...

Page 24: ...pt 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 t...

Page 25: ...ns 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 ...

Page 26: ... 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 of filter usage that has occurred since the last time the Filter Monitor...

Page 27: ... 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 wil...

Page 28: ...er 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 life decreases to the point o...

Page 29: ...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 al...

Page 30: ...ube 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 30 MERCURY WARNING AND RECYCLING NOTICE Mt Laurel New Jersey 08054 USA http www luxproproducts com 856 234 8803 HOLD All manuals and user guides at all guides com ...

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