Hitachi Air-to-Water to KNX Interface. IntesisBox INKNXHIT001A000 HI-AW-KNX-1 allows fully bidirectional monitoring and control of the Hitachi Air-to-Water systems from KNX installations. The interface is compatible with all the models of the Yutaki line commercialised by Hitachi.The gateway is wired directly to an indoor unit. This allows not only the control of the main AC functions such as operating mode, fan speed, temperature setpoint…but th..