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The IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of Hitachi VRF SET FREE systems from a BMS, SCADA, PLC or any other device working as a BACnet IP Server or BACnet MSTP Master.

BACnet Hitachi RC

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  • IBBACHIT016O000 (for 16 indoor units)
  • IBBACHIT064O000 (for 64 indoor units)



The IntesisBox HI-AC-BAC Gateway has been specially designed to work as a BACnet Interface for Hitachi Air conditioning systems.

IntesisBox acts as a BACnet server, BACnet/IP or MSTP, allowing BACnet client devices to both read and write the datapoints of the Hitachi installation.

Up to 64 indoor units in the Hitachi installation are supported. Their status will be continuously monitored and commands will be sent to them when received from BACnet side.

Configuration of the interface is needed using IntesisBox MAPS software, which also allows diagnostics.


  • Supports both BACnet/IP and BACnet MSTP physical layers. 
  • BACnet BTL certified. 
  • Direct access to H-LINK bus.
  • Compatibility with a complete range of Hitachi VRF SET FREE indoor units.
  • Scan: Automatic identification of the units presents in the H-LINK bus.
  • Wide range of monitoring & control datapoints available.
  • Outdoor unit’s signals available for the integration.
  • Datalogging through external USB port 
  • Configuration through IP or USB (Console) port 
  • Front cover LED indicators to provide easy to check communication status on both the Ethernet and serial ports 
  • Includes IntesisBox MAPS with automatic updates for both IntesisBox MAPS and Gateway’s firmware

NOTE: In case you need documentation for the previous gateway version, please click here.

Hitachi VRF SET FREE systems to BACnet Gateway Integration examples

Integration of Hitachi VRF Air Conditioner Units into a BACnet installation

Hitachi VRF SET FREE systems to BACnet Gateway Integration examples 816

Hitachi VRF SET FREE systems to BACnet Gateway


  • Technical documentation
  • Commercial documents