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NRT 210, 220: Electronic room-temperature controller

How energy efficiency is improved
Digital input for changing over between presence and absence mode, and setpoint adjuster on device itself.

Areas of application
Individual intelligent unitary control (heating, cooling, heating/cooling) e.g. of 2- or 4-pipe systems in hotels, residential and business premises with activation of thermal valve drives or switching of auxiliary heating or cooling units.

Properties

• Direct detection of room temperature using integrated temperature detector
• Adjustment of temperature setpoint with rotary knob
• Modern design
• NRT 210 for 2-pipe systems
• NRT 220 for 4-pipe systems

Technical description

• Housing made of flame-retardant, pure white thermoplastic (RAL9010)
• Inputs for c/o signal and for changeover between presence and absence mode
• 2-point control with relay outputs
• Versions with 24 V~ or 230 V~ power supply
• Suitable for fitting on walls or recessed junction boxes
• Electrical connection in base with screw terminals for wires up to 1,5 mm²
• Rear cable infeed
• Electronics in snap-on housing