Instruction/ maintenance manual of the product P621Uc Lux Products
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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 .
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.
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.
• 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 fo.
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.
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 .
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.
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.
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 .
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-.
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.
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 .
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.
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.
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 AN.
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 #.
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-CO.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
An important point after buying a device Lux Products P621Uc (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lux Products P621Uc yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lux Products P621Uc - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lux Products P621Uc you will learn all the available features of the product, as well as information on its operation. The information that you get Lux Products P621Uc will certainly help you make a decision on the purchase.
If you already are a holder of Lux Products P621Uc, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lux Products P621Uc.
However, one of the most important roles played by the user manual is to help in solving problems with Lux Products P621Uc. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lux Products P621Uc along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
