GIRA 539428 S3000 RTR BT System 55 Anthracite

The GIRA 539428 S3000 RTR BT System 55 is a modern room temperature controller designed for precise heating and cooling management. Part of the Gira System 55 series, this device combines a sleek anthracite finish with advanced Bluetooth Low Energy (BLE) connectivity, allowing effortless control via the Gira Bluetooth App on iOS and Android. Ideal for residential and commercial spaces, it offers intuitive operation through a rotary knob with push function and a backlit LCD display.

Advantages

Wireless control via smartphone app; easy installation in standard flush-mounted boxes; energy-saving timer programs; frost protection mode; compatible with Gira System 55 frames.

Suitable for

• Heating and cooling systems in homes and offices
• Integration into smart home setups
• Replacing existing thermostats with modern, app-controlled solutions

Key specifications

• Product Type: Room Temperature Controller
• Communication: Bluetooth Low Energy (BLE)
• Series: Gira System 55
• Colour: Anthracite
• Power Supply: 2x AAA batteries (1.5 V)
• Control: Rotary knob with push function, App control
• Display: LCD with backlight
• Temperature Range: +5 °C to +30 °C
• Operating Modes: Automatic, Manual, Holiday, Party, Frost protection
• Functions: Heating and cooling control, Timer programs, Presence detection (via app)
• Mounting: Flush-mounted
• Compatibility: Gira System 55 frames and cover plates
• Switching Output: Potential-free relay contact
• Max. Switching Current (AC1): 10 A
• Max. Switching Current (AC3): 2 A
• Switching Voltage: 230 V AC
• Protection Class: IP20
• Temperature Sensor: Internal
• Time Programs: Up to 8 per day

Recommendations

For optimal performance, use with Gira System 55 frames and the Gira Bluetooth App. Ensure batteries are installed correctly. This device is not compatible with other series frames.