Belimo VRU-M1R-BAC-RE - VAV-Universal room pressure controller

Belimo VRU-M1R-BAC-RE

VAV-Universal controller in a retrofit version, designed for room pressure control applications in HVAC systems. The integrated Belimo M1R static membrane sensor measures differential pressure in the range -75...75 Pa. The device is designed to work with a ...-VST-RE actuator.

Key features and specifications

• Room pressure control (RP) and cascading room pressure control (RPC) functions.
• Communication: BACnet MS/TP, Modbus RTU or Belimo MP-Bus; hybrid mode is also available for BACnet MS/TP and Modbus RTU.
• Modulating control (0/2...10 V); operating range of input Y: 2...10 V.
• Rated voltage: AC/DC 24 V; rated frequency: 50/60 Hz.
• Power consumption during operation: 1.5 W; sizing power for cables: 2 VA plus the connected VST actuator.
• Power and control connection: 2.5 mm² terminals.
• S1 input for connecting an external sensor (passive or active) or a switching contact; sensor signal conversion.
• Configuration via Belimo Assistant 2 using the NFC interface; a service socket is also available. A RetroFIT+ activation code is required for configuration.
• IEC/EN degree of protection: IP42; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).