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The sleek, state-of-the-art thermostat provides a touch LCD interface for display and control of your home’s heating and cooling systems. A built-in proximity sensor wakes up the thermostat to display its intuitive controls when your hand nears it. As part of the ABB-free@home™ smart home system, the thermostat gives you total control to automate your home’s climate for optimum comfort.



  • Streamlined screen and intuitive user interface make operation simple.
  • Use in new construction or for replacement of existing thermostats (up to six-wire). 
  • Operating mode displayed by colored curves — red for heating and blue for cooling.
  • Tap-enabled eco-mode offers energy and cost savings at night or when you’re away from home.
  • Optional auto-mode eliminates the need to manually switch between heating and cooling.
  • Operates with many different heating and air conditioning systems, including conventional, heat pumps, water-based systems and combinations.
  • Includes a built-in humidity sensor for use with a humidifier or dehumidifier.
  • Self-adjusting display adapts its brightness to the light level of the room.




  • Operating voltage: 24 V AC, 60 Hz
  • Wiring: 22–18 AWG solid conductor only
  • Materials: Aluminum housing with glass surface, capacitive touch LCD
  • Wireless transmission protocol: ABB-free@home, 2.4–2.483 GHz, meshed

Supported equipment

Equipment  Types 
Conventional heating systems
(single- and dual-stage)
 Natural gas, Propane, Oil, Electric
 Conventional air conditioning Single-stage
Dual stage
Heat pumps — heating and cooling  Air-based
Electric auxiliary — user can activate “emergency heating” to run heat pump with/without using compressor (auxiliary heating only)
Water-based systems Radiators
Underfloor heating
Humidity control Humidifier
Combinations  Different power types: Stage 1 natural gas and stage 2 electric
Water-based heating and air-based heating

Products and Documentation

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