In response to customer requests for a flexible device , this new controller uses the popular formation of six inputs and six outputs, making it suitable for small to mid-size applications such as primary schools and health centres, as well as larger installations such as multi-tenanted office complexes.

Various features simplify installation, engineering and commissioning. These controllers are particularly suitable for the energy-efficient highly distributed local control of services such as underfloor heating, natural ventilation, boiler plant, variable-temperature circuits, air-handling units and air-conditioning terminal units.

The IQ422 provides a state-of-the-art upgrade to IQ222 and IQ3xact products and comes in 24 and 230 V variants in DIN-compatible casework.

Networking is via TCP/IP, and XML capability is standard.