Lux Thermostat Program 5-2 Day with Smart Recovery - Tools & Home Improvement

Q: What types of heating and cooling systems is the Lux Thermostat Program 5-2 day compatible with?

A: The Lux Thermostat Program 5-2 day is great for heating and cooling systems including single and multi-stage heat pumps. It works with all system types except electric baseboard heat.

Q: Does this thermostat have a graphical air filter monitor?

A: Yes, the Lux Thermostat Program 5-2 day has a graphical air filter monitor that helps you know when to change your air filter.

Q: How easy is it to program this thermostat?

A: The Lux Thermostat Program 5-2 day has an exclusive LUX speed slide that delivers effortless programming. It also has separate weekday and weekend programming with 2 or 4 periods per day, making scheduling simple.

Q: Is there a swing setting on this thermostat?

A: The early model TX500U has nine swing settings, while the newer design TX500Ua or TX500Ub does not have swing settings. Instead, temperature variation is controlled by setting three different settings on your thermostat labeled Item #8, #9, and #10 (one for each mode: Heat, Cool, and Emergency Heat if applicable).

Q: Is this thermostat compatible with a gas-fired boiler that produces hot water baseboard heating?

A: Yes, the Lux Thermostat Program 5-2 day will operate your gas-fired boiler with two or three wires to the present thermostat to control your zone valve or motor.

Q: Can you lock the keypad on this thermostat to prevent others from adjusting it?

A: Yes, you can lock the keypad on this thermostat. However, someone can still manually shut it off by opening the flap and moving the Temperature slide switch for Heat Off Cool to Off.

Q: Is there a slot for a W2 wire on this thermostat?

A: Yes, the Lux Thermostat Program 5-2 day has a W2 terminal for your auxiliary heating wire. If you have a heat pump, follow fig. #8 for 2 stage heat pump wiring.

Q: What do I do if the thermostat flashes "Lo battery" even with fresh batteries?

A: If the thermostat flashes "Lo battery" even with fresh batteries, a hardware reset might be required. To perform the hardware reset, remove the thermostat from its wall unit as if you were changing batteries and install fresh batteries. Make sure the switch positions on the thermostat are in specific positions, then hold the thermostat in each hand so that the UP/DOWN buttons on the front can be depressed with each thumb. Simultaneously press and hold the UP/DOWN buttons on the front and while continuing to hold, then press and release the HW RST button on the back in about the center of the circuit board.