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Power Options

BATTERIES ONLY - This thermostat can run on batteries only using 2AAA alkaline batteries. The batteries will last at least 1 year; replace the batteries once a year or when the low battery icon comes on the display. If the batteries are not replaced, the thermostat will shut off the HVAC and then stop working.

24VAC - This thermostat can run on the HVAC 24VAC (C wire) if available. As shown in the wiring diagrams, the C wire is the other side of the 24VAC heating transformer and can be found where the other thermostat wires connect at the wall or at the furnace. Do not use the common or ground side of the line voltage. If the C wire is used, the batteries are then for back-up in case of power loss only and will last much longer. With the C wire connected, the thermostat will continue to work if the batteries die or are removed.

Calibration

NOTE:Your thermostat comes from the factory calibrated to +/- 1o of actual temperature. It is an accurate instrument. If you want your thermostat to display the same temperature as another thermometer in your home, you can adjust its calibration.

To change the calibration:

Set the Mode switch to HEAT or COOL.

Locate the TIME SET button and press it. The current calibration factor (+/-) of the 3M-22 will appear in the LCD display as well as the modified temp. Push the UP or DOWN arrows until the desired calibration factor is reached.

Press HOME to save. The new calibrated temperature will be displayed on the LCD.

Calibrate button

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Lux Products 3M-22 warranty Power Options, Calibration, To change the calibration
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3M-22 specifications

Lux Products has consistently made a mark in the thermostat industry with its diverse range of high-quality heating and cooling control systems. One notable product in their portfolio is the Lux Products 3M-22 programmable thermostat. This device stands out for its user-friendly features and advanced technology, making it an excellent choice for homeowners looking to improve their energy efficiency while maintaining optimum comfort levels.

The Lux 3M-22 is designed with a straightforward interface, incorporating a large digital display that allows for easy reading and operation. This thermostat provides flexibility with its programmable schedule, allowing users to set their heating and cooling preferences for different times of the day. With four programmable periods per day, it helps homeowners optimize their HVAC usage, ensuring that energy is conserved when the household is unoccupied while still providing a comfortable environment during peak hours.

One of the significant technological features of the Lux 3M-22 is its compatibility with various heating and cooling systems, including gas, oil, and electric systems, as well as heat pumps. This versatility makes it a suitable choice for different setups, giving users the freedom to incorporate it into their existing systems without issues.

The Lux 3M-22 also boasts an intuitive navigation system, complete with simple buttons that streamline the programming process. This feature is particularly beneficial for those who may not be tech-savvy. Additionally, it has a temporary hold feature that allows users to override the pre-set schedules easily, accommodating unexpected changes in daily routines without hassle.

Energy efficiency is at the forefront of the Lux 3M-22’s design. By intelligently managing heating and cooling schedules, users can significantly reduce their energy bills. The thermostat also comes equipped with a filter change reminder, ensuring optimal HVAC performance and longevity by prompting homeowners to replace their air filters on time.

Moreover, the Lux 3M-22 is built with quality and durability in mind. Its reliable performance contributes to a more comfortable home environment, which is further enhanced by its attractive design that complements various home decors. Overall, the Lux Products 3M-22 programmable thermostat offers an excellent blend of functionality, user-friendly operation, and energy savings, making it a standout option for modern homes.
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