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Thread: LTX500U specifications and compatibility

  1. #1
    HVAC Thermostat Specialist

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    LTX500E specifications and compatibility



    Need help wiring or setting up the LUX LTX500E? Reply to this thread!

    Single-Stage Heating and Cooling Yes
    Compatible with Steam or Gravity Yes
    Use with Floor/Wall Furnace 24V or 750mV Yes
    Use with Volt Gas Fireplace 24V or 750mV Yes
    Use with Pellet Stove for mV Thermostats Yes
    Use with Electric Baseboard 120V-240V No
    Program Type 5-2 Day
    Program Periods per Day 4.0
    Auto System Change from Heat to Cool No
    Touch Screen Programming No
    Backlit Display Yes
    Multi-Stage Heating and Cooling Yes
    Temperature Displayed Current room temperature
    High/Low Desired Temperature Limits Yes
    Temporary Vacation Override Yes
    Hold Temperature Button Yes
    Early-Start Comfort Function Yes
    Filter Monitor No
    Daylight Savings Time Ready No
    Optional Battery-Free Operation Yes
    Shape Rectangle
    Heating Only Yes
    Height (Inches) 3.25
    Width (Inches) 5.25
    Depth (Inches) 1.0
    UL Safety Listing No
    CSA Safety Listing No
    Cooling Only Yes
    Compatible with Warm Air Furnace Yes
    Compatible with Central Air Conditioning Yes
    Compatible with Heat Pump (No Aux./EM) Yes
    Compatible with Heat Pump (With Aux./EM) Yes
    Compatible with Hot Water Yes

  2. #2
    Junior Member

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    Your reference to the manual for the LTX500U refers to the manual for the TX500E, not the TX500U. These are different thermostats. The TX500E is battery only, while the TX500U is battery backup - it can use AC power from the furnace. They also look totally different. The TX500E uses a knob to control it while the TX500U uses sliding switches. I am guessing that the L in LTX500U only refers to Lux and does not change the real model number that is TX500U.

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