Belimo VRU-D3-BAC - VAV and duct pressure controller

Belimo VRU-D3-BAC

The VRU-D3-BAC is a modular VAV-Universal controller with an integrated Belimo D3 dynamic differential pressure sensor. It is designed for VAV units and control dampers in comfort ventilation systems. It can operate with an external ...-VST damper actuator.

Key features and specifications

• Control functions: VAV/CAV airflow, duct pressure (STP) and position (Open Loop).
• Functional differential pressure measuring range: 0...500 Pa; maximum system pressure: 1500 Pa.
• Communicative, hybrid or modulating control (0/2...10 V); Y input operating range: 2...10 V.
• Communication: BACnet MS/TP, Modbus RTU or MP-Bus.
• Supply: AC/DC 24 V, 50/60 Hz; power consumption during operation: 1.5 W. Power for cable sizing: 2 VA plus the connected VST actuator.
• Power and control connection: 2.5 mm² terminals; S1 input for connecting an external passive or active sensor or a contact.
• Configuration via Belimo Assistant 2; service socket and NFC interface for connecting tools.
• IEC/EN degree of protection: IP42; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).
• Ambient temperature: 0...50°C [32...122°F].