Niko Home Control Simple Push Button with LED and Comfort Sensors

Model: 221-52921

This simple push button with the "Haus verlassen" (Home Leaving) symbol can be configured to control a variety of actions and routines within a Niko Home Control II installation with bus wiring. It features a programmable LED for inverted feedback on executed actions and can serve as a orientation light when LEDs are active. The integrated temperature and humidity sensors enable multi-zone climate and ventilation control, enhancing energy efficiency and overall comfort.

• The versatile temperature sensor can be used to control a heating/cooling zone in a Niko Home Control II installation, function as a simple thermometer, or create specific conditions (e.g., for awning control).
• The humidity sensor can be utilized in routines for automatic ventilation control in bathrooms or toilets.
• The push button features a simple click mechanism for wall mounting of bus wiring control and is available in all Niko finishes.

Technical Data

Simple push button with LED and comfort sensors for Niko Home Control, Symbol "Haus verlassen", gold coated.

Functionality

• Combine the push button's temperature sensor with a heating or cooling module for multi-zone regulation, or with a switching module for electric heating.
• Utilize the integrated humidity sensor with a ventilation module for automatic ventilation control.
• Setpoints and weekly programs are managed via the app.
• Calibration is controlled via the programming software.
• Maximum number of push buttons configurable as temperature sensors per installation: 20.

Temperature Sensor

• Range: 0 – 40°C
• Accuracy: ± 0.5°C

Humidity Sensor

• Range: 0 - 100% relative humidity (non-condensing, no icing)
• Accuracy: ± 5% for 20 – 80% relative humidity at 25°C

Materials and Finish

• Cover material: The cover is made of deformation-resistant polycarbonate and ASA materials, and is lacquered.
• Imprint: "Haus verlassen"
• Lens: The push button's lens is equipped with a small amber LED light (1.5 x 1.5 mm) to indicate the status of the action.
• Color: Gold lacquered (approx. NCS S 3020 - Y, RAL 1000)

Fire Safety

• The plastic parts of the cover are self-extinguishing (withstand a glow-wire test of 650°C).
• The plastic parts of the cover are halogen-free.

Electrical Specifications

• Input voltage: 26 Vdc (SELV, Safety Extra Low Voltage)

Installation and Dimensions

• Disassembly: The cover can be easily removed by pulling it off the base.
• Protection rating: IP20
• Protection rating: IP40 for the combination of a mechanism and a cover.
• Impact resistance: Impact resistance of IK06 is guaranteed after mounting.
• Dimensions (H x W x D): 44.5 x 44.5 x 8.6 mm
• Marking: CE

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