Belimo EV020R3+BAC - 3-way Energy Valve control valve

Belimo EV020R3+BAC – 3-way Energy Valve

Control valve for closed water systems, designed for water-side control in ventilation and heating systems. Flow or power is controlled based on measurement. The 3-way valve operates as a mixing valve; it must not be used as a diverting valve.

Key features and specifications

• DN 20, PN 25; Rp 3/4" female thread and G 1" male thread.
• V'nom 0.69 l/s (2.5 m³/h); V'max setting range 25...100% V'nom.
• AC/DC 24 V supply; power consumption 4 W during operation and 3.7 W when idle.
• Modulating, communicative or hybrid control; operating range Y 2...10 V.
• Communication: BACnet/IP, BACnet MS/TP, Modbus TCP, Modbus RTU, MP-Bus, Cloud. Integrated web server and NFC interface for configuration using Belimo Assistant 2.
• Measurement of medium flow and temperature; monitoring of power, energy and glycol concentration. Integrated delta T manager and data logging for 13 months.
• Medium: water or water with max. 60% vol. glycol; medium temperature -10...120°C [14...248°F].
• Maximum differential pressure ∆pmax 350 kPa; closing pressure ∆ps 1400 kPa.
• Manual override using a push-button, with locking option; IEC/EN IP40 degree of protection.

For medium temperatures of -10...2°C, stem heating or a valve neck extension is recommended.