Instruction/ maintenance manual of the product 52126 Lux Products
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SYSTEM COMP A TIBILITY. . . . . . . . 2 FEA TURES . . . . . . . . . . . . . . . . . 3 TOOLS YOU MA Y NEED . . . . . . . . . 3 MOUNTING LOCA TION . . . . . . . . . 4 REMOVE OLD THERMOST A T . . . . . 4 INST ALL THERMOST A T BASE . . . . . 5 WIRING INFORMA TION .
2 HOLD SET RUN DA Y/TIME TEMP PROG AIR FILTER TEMPERATURE HEAT OFF COOL FAN AUTO ON EMER NEXT 74 F ˚ 72 F ˚ 5 : 36 P HEAT T U D AY S ET R OOM FAN LCD Display Screen P521U UP , DOWN and HOLD Buttons Set Slide Switch Fan Mode Switch System Mode Switch The electrical rating for this thermostat is 1.
• 1 or 2-Heat / 1-Cool, 5/2-day programming • Universal Compatibility for all system types • Weekdays and W eekends can be programmed separately • Exclusive LUX ® Speed Slide TM for easy prog.
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. Fill the wall opening with non-combustible insulation to prevent drafts from affecting the thermostat’ s normal operation. 3. Route the wires through the opening in the new thermostat base plate, and hold the base against the wall.
• The thermostat requires batteries to operate 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 Lux thermostats requiring batteries.
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.
8 #1 CONVENTIONAL: HEA TING ....................................8 1-ST AGE OR 2-ST AGE 2, 3, 4, 5 WIRES #2 CONVENTIONAL: HEA TING ....................................9 3-WIRE ZONE V AL VE 3, 4 WIRES #3 CONVENTIONAL: COOLING ...........................
9 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 HEAT USE “RH” & “W1”) Factory RH-RC Jumper Wire Installed #1 2, 3, 4,.
10 X B* C RH V R W1 4 W A W1 A W2 O B C G Y RC RH HOT WA TER HEATING ONL Y (WITH A 3-WIRE ZONE VAL VE) Factory RH-RC Jumper Wire Installed #2 3, 4 WIRES NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, G.
11 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 FA N SYSTEM 24V TRANSFORMER SYSTEM COMMON 3, 4 WIRES NOTE: THE BLACK TERMINAL LETTERS.
12 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 HEATING AND 1-ST AGE COOLING Factory RH-RC Jumper Wire Installed #4 C FA N SYSTEM 24V TRANSFORMER SYST.
13 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 HEATING AND 1-ST AGE COOLING Factory RH-RC Jumper Wire Installed #5 C FA N SYSTEM 24V TRANSFORMER S.
14 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 1-ST AGE HEATING AND 1-ST AGE COOLING WITH TWO SEPARA TE 24V TRANSFORMERS Factory RH-RC Jumper Wire REMOVED #6 FA N HEA T 24V TRANSFOR.
15 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 FA N SYSTEM 24V TRANSFORMER SYSTEM COMMON 4, 5 WIRES NOTE: THE BLACK TERMINAL LET.
16 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-COOL, HEAT PUMP SYSTEM WITH AUX AND EMERGENCY HEA T Factory RH-RC Jumper Wire Installed .
On the thermostat’ s circuit board, there is a row of DIP switches, labeled #1 through #8. The position of these switches will change how the thermostat operates, and also how information is conveyed to you on the LCD display screen.
temperature. [ON/UP = 2] The thermostat operates in the same manner as above, however there are only two temperature program periods for heating and cooling (DA Y and NITE). This may be more convenient if you are typically home during the day , and only need the set temperature to be different while you are sleeping.
SWITCH #8 (BA TTERY MONITOR): [OFF/DOWN = ON, default] This setting, regularly monitors the battery level, and shows “LOW BA T” on the screen if the batteries need to be replaced. Use this setting at all times when batteries are present in the thermostat.
These items below are all located behind the door on the front of the thermostat. T o open the door , pull outwards using the small indentation in the center of the top edge of the thermostat housing. HEA T / OFF / COOL, SYSTEM MODE SWITCH: Set this switch to HEA T to control your heating system, and COOL to control your cooling system.
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 T emperature Hold feature.
HEA TING AND COOLING : Basic operation of your heating or cooling system can be obtained with the Set Slide Switch in the RUN position and choosing either HEA T or COOL on the System Mode switch. The temperature can be adjusted using the UP and DOWN buttons.
LCD DISPLA Y BACKLIGHT : The display screen is lighted to assist viewing at nighttime, or in locations with low light levels. A press of any button on the front panel will light the display for approximately 10 seconds.
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 SWING AND OFFSET SETTING: A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies from the desired set-point temperature. The amount of this variation is called the swing. Generally your system should cycle on about 3 to 6 times per hour .
26 70˚F Set T emperature 71 DEGREES (F) ** = Only applies if a second heat stage is present 70 69 68 67 66 65 Swing Setting= #2 (+/- 0.5˚F) Cut-In / Cut-Out (1 st Stage) (2 nd Stage) ** Cut-In / Cut.
TEMPERA TURE CALIBRA TION: The internal temperature sensor in this thermostat is accurately calibrated at the factory , and in most cases alterations to this setting should not be needed.
TO SET THE HEA T LIMIT STOP: Place the System Mode switch in the OFF position, and the Set Slide switch in the RUN position. Press and hold the UP button while sliding the System Mode switch from OFF to HEA T . The words “STOP” and “LOCK CODE” will appear on the screen, along with two digits.
IF YOU FORGET YOUR TEMPERA TURE STOP CODE: The code can be reset to the factory default “00” by per forming the following steps. Place the System Mode switch in the OFF position, and the Set Slide switch in the RUN position. Press and hold the NEXT and HOLD buttons together for at least 10 seconds.
AIR FIL TER MONITOR: In most systems that use a blower fan and air ducts, 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.
HARDWARE RESET : The Hardware Reset button (labeled “HW RST”) is a small round push button that is located towards the right side of the circuit board, just below the battery holder .
COMPRESSOR PROTECTION BYP ASS: 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.
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 .
Mt. Laurel, New Jersey 08054, USA http://www .luxproproducts.com 856-234-8803 34 HOLD 74 F ˚ 72 F ˚ 5 : 36 P HEA T T U D AY S ET R OOM FAN.
An important point after buying a device Lux Products 52126 (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 52126 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 52126 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lux Products 52126 you will learn all the available features of the product, as well as information on its operation. The information that you get Lux Products 52126 will certainly help you make a decision on the purchase.
If you already are a holder of Lux Products 52126, 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 52126.
However, one of the most important roles played by the user manual is to help in solving problems with Lux Products 52126. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lux Products 52126 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
