Siemens Building Technology RDG110U Stat

24V ON/OFF 3SPD WALL STAT

Siemens Building Technology RDG110U Room Thermostat – 24V ON/OFF 3-Speed Fan Control

The Siemens RDG110U is a versatile 24V room thermostat designed for precise control of fan coil units and heat pump systems. Ideal for both residential and commercial applications, it combines energy efficiency, comfort, and advanced system management in a single compact device.

Key Features

• Brand: Siemens Building Technology

• Model: RDG110U

• Type: 24V ON/OFF Room Thermostat

• Fan Control: 3-speed automatic or manual

• Operating Modes: Comfort, Energy Saving, Protection

• Control Outputs: 2-position control

• Inputs: 3 multifunctional inputs (keycard, external temperature sensors, window contact, dewpoint monitor, etc.)

• Relay Outputs: 5 (SPDT) for valve, compressor, electric heater, or fan control

• Voltage & Power Consumption: AC 24V, 2 VA / 1 W

• Switching Differential: Heating & Cooling: 0.5–6 K

• Dimensions: 93 x 128 x 30.8 mm

• Backlit Display for easy reading and configuration

System Compatibility

• 2-pipe systems (with or without electrical heater)

• 2-pipe systems with radiator or floor heating

• 4-pipe systems

• 2-stage heating or cooling systems

Benefits

• Automatic or manual fan speed control ensures comfort and energy efficiency

• Selectable operating modes optimize system performance and energy savings

• Multiple multifunctional inputs allow integration with keycards, temperature sensors, and window contacts

• Adjustable commissioning parameters provide flexibility for custom installations

• Reliable 24V relay outputs support valves, compressors, and electric heaters with robust switching capacity

The Siemens RDG110U thermostat is a high-performance, user-friendly solution for controlling modern HVAC systems, providing precise temperature regulation, energy-efficient operation, and seamless integration with various heating and cooling configurations.