Thank you for your confidence in our product. To obtain the best results from your investment, please read this manual and acquaint yourself with your purchase before installing your new thermostat. Then follow the installation procedures, one step at a time. This will save you time and minimize the chance of dam- aging the thermostat and the systems it controls. These instructions may contain information beyond that required for your particular installation.

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Please read ALL of these instructions carefully before beginning installation. Save them for future reference. On new installations, follow the guidelines listed below. Locate the thermostat on an inside wall, about 5 ft.

Do not locate where air circulation is poor, such as in a corner or an alcove, or behind an open door. Do not install it where there are unusual heating conditions, such as: in direct sunlight; near a lamp, television, radiator, register, or fireplace; near hot water pipes in a wall; near a stove on the other side of a wall. Do not locate in unusual cooling conditions, such as: on a wall separating an unheated room; or in a draft from a stairwell, door, or window.

Do not locate in a damp area. This can lead to corrosion that may shorten thermostat life. If painting or construction work has yet to be completed, cover the unit completely or do not install it. This may damage the thermostat and void your warranty. Turn OFF the electricity to all heating and cooling components. Do not turn the electricity back on until all work is completed. Remove the cover and front portion of your old thermostat to expose the wiring connections.

Write down the letters printed near each wire terminal that is used, and the color of the wire that is connected to it. Using the enclosed labels, attach a label to each of your wires so that the letter matches the marking on your existing thermostat. When they are all labeled, carefully remove the wires one at a time, making sure that they do not fall back inside the wall. Do not allow any of the bare wire ends to touch each other, or any parts on the thermostat.

Loosen all of the screws on the old thermostat and remove it from the wall. Fill wall opening with non-combustible insulation to prevent drafts from affecting the thermostat.

Be careful not to drop the unit or disturb electronic parts. Leave the door closed while the body is being removed from the base. NOTE: If you are mounting the base to soft material like plasterboard or if you are using the old mounting holes, the screws may not hold. Hold the base against the wall. Route the wires through the hole below the terminal block. Position the base for best appearance to hide any marks from an old thermostat.

Attach the base to the wall with the two screws provided. Wires must be trapped between the black clamps and the brass terminals as shown here. Being careful not to overighten them, securely tighten all of the electrical terminal screws, including any unused ones. NOTE: When you are finished performing your installation and setup options, please remove the thin plastic film that is protecting the LCD display screen on the front of the thermostat. This plastic may or may not be present, and is evident by the appearance of fake digits appearing on the display screen.

The schmatics shown provide component information for brand new installations or for unreferenced wires.


Lux Products Thermostat manuals

A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies from the set-point temperature. The amount of this variation is called the "swing. A larger swing number decreases the number of cycles per hour, but saves energy in most cases. To change the Swing setting, turn the dial to RUN mode. Number 1 is the default setting. This feature can be useful to match this thermostat to another one or more, if multiple thermostats are used in the same home. Neither of the Mode slide switches are locked out.


Lux Products TX500E Installation And Operating Instructions


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