VAV compact controller

ASV205BF132E, ASV215BF132E

How energy efficiency is improved

Demand-based volume flow control in order to optimise energy consumption in ventilation systems. Differential pressures of at least 1 Pa can be controlled to allow minimal volume flows at the lowest duct pressure and energy consumption.


  • Supply and return air control for individual rooms such as offices, conference rooms and hotel rooms, in conjunction with a VAV box or a damper and flow probe.

  • Pressure control in supply and return air ducts for low-noise, energy-efficient air distribution.

  • Static measurement of differential pressure with MEMS sensor

  • Can be used for measuring in areas with dirty or contaminated return air

  • Low energy consumption and long serviceable life thanks to low-wear stepping motor

  • Electromechanical torque-based switch-off for safe operation

  • Extremely simple installation due to self-centring shaft adapter

  • Disengageable gear unit for manual adjustment and positioning of damper

  • Integrated second control loop for the following applications::

    • Duct pressure and zone control

    • Room climate regulation

  • 2 x RS-485 bus interface on RJ12 and connection terminal

    • Up to 31 subscribers in a segment with SLC (SAUTER Local Communication) protocol

    • Communication within network via BACnet MS/TP

  • Input and output signals for connecting:

    • Setpoints and actual values

    • Power outputs for reheaters and recoolers

    • EY-RU 3** digital room operating units

    • Analogue output

  • Easy programming of the following applications using the SAUTER CASE VAV software:

    • Volume flow control

    • Room pressure control

    • Duct pressure control

  • Adjustable end values of the differential pressure measuring range

    • 100…300 Pa

  • Efficient control algorithm for fast control loops

  • Priority control via switching contacts

  • Zero point can be calibrated

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