Siemens RDU50 Room Temperature Controller is a universal electronic control unit with an integrated LCD, designed for precise modulating control in HVAC heating and cooling systems. Utilizing PI control with a DC 0-10 V output for actuators, the RDU50 offers both automatic heating/cooling changeover and energy-saving modes. Its configurable installation and control parameters make it highly versatile for various commercial and industrial applications, providing wholesalers with a reliable, high-demand component for building management systems.

Key Features:

• Brand: Siemens, a global leader in industrial automation and HVAC products.

• Product Type: Universal Electronic Room Temperature Controller.

• Control Output: Modulating DC 0–10 V for continuous actuator control.

• Control Logic: Modulating Proportional + Integral (PI) control.

• Operating Voltage: AC 24 V power supply.

• Operating Modes: Selectable Normal, Energy Saving, and OFF modes.

• Compatibility: Designed for use in 2-pipe heating and cooling systems.

• Certifications: CE compliant, indicating adherence to European safety and environmental standards.

Benefits:

• Precision Control: PI control ensures accurate and stable room temperature maintenance for occupant comfort.

• Energy Efficiency: Built-in Energy Saving mode and setpoint limitations help reduce overall HVAC operational costs.

• Industrial Versatility: The DC 0-10 V output and robust design are suitable for integration into complex VAV or fan coil unit applications.

• Seamless Integration: Features a dedicated input for remote changeover, simplifying external control from building management systems.

• Wholesale Value: As a discontinued, in-demand Siemens model, it represents high value for buyers stocking spares or servicing existing installations.