Instruction/ maintenance manual of the product P621Ia Lux Products
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C AUTIONS AND W ARNINGS . . . . . . . . . . 2 SY STEM COMP A TIBILITY . . . . . . . . . . . . 3 FEA TURES . . . . . . . . . . . . . . . . . . . . . . . 4 TOOLS Y OU MA Y NEED . . . . . . . . . . . . . . 4 MOUNTING LOC A TION . . . . . . . . . . . . . .
2 • This thermostat requires ba tteries to operate and failure or sub-standard performance of the batteries may impair or prevent the correct opera tion of the thermostat. Use Duracell ® or Energizer ® alkaline batteries ONL Y for all LUXPRO thermostats requiring ba tteries.
SETBACK HOLD SET RUN DA Y/TIME TEMP PROG AIR FIL TER TEMPERA TURE HEA T OFF COOL FA N AU TO ON EMER NEXT HEA T T U D AY S ET L EFT FA N F IL TER % P LCD Display Screen P621Ua UP / DOWN Buttons Set Slide Switch F an Mode Switch System Mode Switch The electrical rating for this thermosta t is 1.
• 1 or 2-Heat / 1-Cool, 5/1/1-day programming • Universal Compatibility for all system types • W eekdays, Sa turday , and Sunday can be programmed separately • Exc lusive LUX ® Speed Slide TM.
On replacement installations, mount the new thermosta t in place of the old one unless the conditions listed below suggest otherwise. On new installa tions, please follow these general guidelines: 1. Mount the thermostat on an inside wall, about 5 ft.
1. Strip wire insulation leaving only 3/8 in. (9.5mm) bare wire ends, and c lean 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 .
WIRING DIAGRAM NO TES: (Important, please read all notes before connecting wires) • If the information provided in the follo wing 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 an y of your existing thermostat wiring.
8 #1 CONVENTIONAL: HEA TING ............................................................9 1-ST AGE OR 2-ST AGE 2, 3, 4, 5 WIRES #2 CONVENTIONAL: HEA TING ..........................................................10 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-ST AGE, 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 BY RC RH CONVENTIONAL (NON HEA T PUMP) 1-ST AGE HEA TING 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 BY RC RH CONVENTIONAL (NON HEA T PUMP) 2-ST AGE HEA TING 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-ST AGE HEA TING A.
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 HEA T 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 ALLED 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-COO.
INST ALL BA TTERIES INTO THERMOST A T : Install two brand new Energizer ® or DURACELL ® “AA ” size alkaline (only) ba tteries, into the thermostat’ s ba tter y 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 thermosta t 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 do wn the EMER button for a pproximately 5 seconds until the screen changes.
ITEM #07 (DLA Y = DELA Y TIME): [5, default] Thermosta t waits 5 minutes before turning the system back on after it was last run. This internal delay prevents rapid cyc ling and provides equipment protection. The 5 minute setting is fine for most applica tions.
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 c lock time will start flashing. Use UP or DOWN to set the time, making sure the AM/PM indica tion is correct.
characteristics, you should refer to your hea t pump litera ture to determine when to disable the heat pump and run in Emergency Heat mode. In general for most heat pump systems, use Emergency Heat mode whenever the outside temperature is less than 32°F (0°C) degrees.
By default, this thermosta t has 4 separa te 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 hea t programs are set in HEA T mode, and the cool programs are set in COOL mode.
TEMPERA TURE C ALIBRA TION: The internal tempera ture sensor in this thermostat is accurately calibra ted at the factor y , and in most cases altera tions 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 . No w use the UP/DOWN buttons to select your desired set temperature tha t will be used for the Setback duration.
TO SET THE COOL LIMIT STOP: Place the System Mode s witch in the OFF position, and the Set Slide switch in the R UN position. Press and hold the DOWN button while sliding the System Mode switch from OFF to COOL. The words “STOP” and “LOCK CODE” will a ppear on the screen, along with two digits.
TO UNLOCK THE KEYP AD: Start with the System Mode s witch in either the HEA T or COOL positions, and the Set Slide s witch in the R UN position. Perform a single press of each button, in the follo wing sequence: NEXT , NEXT , NEXT , HOLD. The padlock should no longer be present, with the thermosta t no w unlocked.
HARDW ARE RESET : The Hardware Reset button (labeled “HW RST”) is a small round push button that is loca ted in the middle of the circuit board, just belo w the ba tter y holder .
This thermostat is po wered by two “AA ” Alkaline ba tteries. The batteries should be replaced A T LEAST once per year to ensure reliable opera tion (or sooner if “LO BA TT” a ppears in the display screen). The batteries are loca ted on the back of the thermostat’ s circuit board.
If you have an y 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 a t 856-234-8803 during regular business hours between 8:00AM and 4:30PM Eastern Standard Time, Monday through F riday .
Mercur y is considered to be a hazardous material. If this product is replacing a thermostat tha t contains mercur y in a sealed tube, contact your local waste management authority for instructions regarding recyc ling and proper disposal. It may be unlawful in your sta te to place it in the trash.
An important point after buying a device Lux Products P621Ia (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 P621Ia 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 P621Ia - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lux Products P621Ia you will learn all the available features of the product, as well as information on its operation. The information that you get Lux Products P621Ia will certainly help you make a decision on the purchase.
If you already are a holder of Lux Products P621Ia, 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 P621Ia.
However, one of the most important roles played by the user manual is to help in solving problems with Lux Products P621Ia. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lux Products P621Ia 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
