Lux Products P621Uc manual

CAUTIONS AND W ARNINGS . . . . . . . . . . 2 SYSTEM COMP A TIBILITY . . . . . . . . . . . . 3 FEA TURES . . . . . . . . . . . . . . . . . . . . . . . 4 TOOLS YOU MA Y NEED . . . . . . . . . . . . . . 4 MOUNTING LOCA TION . . . . . . . . . . . . . . 5 REMOVE OLD THERMOST A T . . . . . . . . . . 5 INST ALL THERMOST A T BASE . . . . . . . . . 6 WIRING[...]

2 • This thermostat requires batteries to opera te 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 ONL Y for all LUXPRO thermostats requiring batteries. BE SURE TO CHANGE THE BA TTERIES A T LEAST ONCE A YEAR, or whenever you [...]

S ETBACK HO LD S E T R U N D AY/ T IM E T EM P P RO G A IR FI LT ER T E MP E RAT U RE H E AT O FF C OO L F A N A U TO O N E ME R N EX T HE A T T U D A Y S E T L EFT F AN F IL TER % P LCD Display Screen P621Uc UP / DOWN Buttons Set Slide Switch Fan Mode Switch System Mode Switch The electrical rating for this thermostat is 1.5 Amps per terminal, wit[...]

• 1 or 2-Heat / 1-Cool, 5/1/1-day programming • Universal Compatibility for all system types • Weekdays, Saturday, and Sunday can be programmed separately • Exclusive LUX ® Speed Slide T M for easy programming • User -selectable periods per day (2 or 4) • User -selectable programmable or non-programmable operation • LuxLight ® EL (E[...]

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. Mount the thermostat on 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 [...]

1. Strip wire insulation leaving only 3/8 in. (9.5mm) bare wire ends, and clean off any corrosion present. 2. F ill the wall opening with non-combustible insulation to prevent drafts from affecting the thermostat’ s normal opera tion. 3. Separate new thermostat housing using your thumb and index finger . Provide pressure in opposite directions to[...]

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 BASE PLA TE 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 [...]

WIRING DIAGRAM NOTES: (Important, please read all notes before connecting wires) • If the information provided in the following wiring diagrams does not clearly represent or match your system, please refer to the “TECHNICAL ASSIST ANCE” section of this manual, and contact us before removing any of your existing thermostat wiring. • All of t[...]

9 #1 CONVENTIONAL: HEA TING .......................................................... 1 0 1-ST AGE OR 2-ST AGE 2 , 3 , 4 , 5 W I R E S #2 CONVENTIONAL: HEA TING .......................................................... 1 1 3-WIRE ZONE V AL VE 3, 4 WIRES #3 CONVENTIONAL: COOLING .......................................................... 1 2 1-ST A[...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC W1 4 W X F G B* W2 RH V R W1 A W2 O B C G Y RC RH 1-ST AGE OR 2-STAGE, HEA TING ONL Y (INCLUDING MILLIVOL T) (2-WIRE HEA T USE “RH” & “W1”) Factory RH-RC Jumper Wire Installed #1 2, 3, 4, 5 WIRES C H EATE R S T AG E 1 S T AG E 2 FAN SYSTEM 24V TRANSF[...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC X B* C RH V R W1 4 W A W1 A W2 O B C G Y RC RH HOT WA TER HEA TING ONL Y (WITH A 3-WIRE ZONE V AL VE) Factory RH-RC Jumper Wire Installed #2 3, 4 WIRES SYSTEM 24V TRANSFORMER SYSTEM COMMON OPEN = Heat On CLOSE = Heat Off 3 -W I RE ZO N E VA LVE O PE N C LOS E O [...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC X F G Y1 6 Y B* RC V R W1 A W2 O B C G Y RC RH 1-ST AGE, COOLING ONL Y 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 A IR CO N DI T IO N ER 12[...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC RH RC V R Y1 6 Y F G X W1 4 W B* W1 A W2 C G O B Y RC RH CONVENTIONAL (NON HEA T PUMP) 1-ST AGE HEATING AND 1-ST AGE COOLING Factory RH-RC Jumper Wire Installed #4 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON H EATE R AIR CONDITIONER 4, 5 WIRES O P T I O N A L 13[...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC W2 RH RC V R Y1 6 Y F G X W1 4 W B* W1 A W2 C G O B Y RC RH CONVENTIONAL (NON HEA T PUMP) 2-ST AGE HEATING AND 1-ST AGE 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 H EATE R [...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC X B* C R V RH R V RC Y1 6 Y F G W1 4 W W1 A W2 O B C G Y RC RH CONVENTIONAL (NON HEA T PUMP) 1-STAGE HEA TING AND 1-ST AGE COOLING WITH TWO SEPARA TE 24V TRANSFORMERS Factory RH-RC Jumper Wire REMOVED #6 FAN H E A T 2 4 V T RA N S FO R ME R COOL 24V T RA N S FO [...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC O X F G Y1 6 Y B* RC V R W1 A W2 O B C G Y RC RH SINGLE-ST AGE HEAT PUMP SYSTEM WITH NO AUX OR EMERGENCY HEA T #7 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 4, 5 WIRES O P T I O N A L H EAT P U MP REVERSING VALVE ** Use “O” or “B” T erm inals, Never B ot[...]

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA Y TERMINAL LETTERS ARE BRAND SPECIFIC CUSTOMER INST A LLED Y -W1 Jumper Wire X B* C W3 W W2 O F G Y1 6 Y RC V R W1 A W2 O B C G Y RC RH 2-HEA T / 1-COOL, HEAT PUMP SYSTEM WITH AUX AND EMERGENCY HEA T Factory RH-RC Jumper Wire Installed #8 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 5, 6 WIRES H EAT P U[...]

INST ALL BA TTERIES INTO THERMOST A T : Install two brand new Energizer ® o r DURACELL ® “AA ” size alkaline (only) batteries, into the thermosta t’ s battery compartment. Ensure the batteries are installed in the proper direction. GAS / ELEC CIRCUIT BOARD OPTION (“G” TERMINAL FAN OPERA TION): This setting is a plastic shorting cap call[...]

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 wa ter radiato[...]

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 i[...]

ITEM #07 (DLA Y = DELA Y 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 #08 (TEMPE[...]

22 70˚F Set T emperature 71 DEGREES (F) ** = Only applies if a second heat stage is present 70 69 68 67 66 65 S wing S etting= #2 (+/- 0.5˚F) C ut-In / Cut-Out (1 st Sta ge) (2 nd Sta ge) ** C ut-In / Cut-Out Of fset ** S etting= 4˚F degrees[...]

SET D A Y AND TIME: Place the Set Slide Switch into the DA Y/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 . Ret[...]

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 Emergenc y Hea t mode whenever the outside temperature is less than 32°F (0°C) degrees. LCD DISPLA Y BACKLIGHT : The display screen is lighted to assist viewing at nig[...]

By default, this thermostat has 4 separate program periods for both Heat and Cool mode, they are: MORN, DA Y , EVE, and NITE. Each period ends at the start time of the following period. The heat programs are set in HEA T 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 [...]

TEMPERA TURE CALIBRA TION: The internal temperature sensor in this thermostat is accurately calibrated at the factor y , and in most cases alterations to this setting should not be needed. The T empera ture 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 va[...]

screen 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 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 an[...]

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 UNLOCK THE KEYP AD: Start with the System Mode switch in either the HEA T 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, p[...]

HARDWARE RESET : The Hardware Reset button (labeled “HW RST”) is a small round push button that is located in the middle of the circuit board, just below the batter y holder . Pressing this button will cause the LCD display screen to become fully populated, the heating and cooling load relays to cyc le off, and will perform an internal system c[...]

This thermostat is powered by two “AA ” Alkaline batteries. The batteries should be replaced A T LEAST once per year to ensure reliable operation (or sooner if “LO BA TT” appears in the display screen). The batteries are located on the back of the thermostat’ s circuit board. The front portion of the thermosta t can be removed from the ba[...]

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 T echnical Assistance department at 856-234-8803 during regular business hours between 8:00AM and 4:30PM Eastern Standard Time, Monday through Friday . Y ou can also receive techn[...]

Mercury is considered to be a hazardous material. If this product is replacing a thermostat that contains mercur y 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. 33 MERCURY W ARNING AND RECYCLING NOTICE: Mt. Laurel, [...]