In this article, it is explained how to configure the Hitachi Bus to be able to control the unit.
APPLICABLE PRODUCTS
- INKNXHIT001A000
PROBLEM
It is not possible to send any command from KNX to Air-to-Water unit, The unit ignores the commands, but it is possible to read the status objects without a problem.
SOLUTION
To communicate with the unit correctly, the following configuration must be done on Hitachi Units and remote.
- From the PCB of the Unit, the switch "SSW1" should be switched to "Remote". After the change, please power cycle the unit.
- The type of control should be set to "Total" or anything different than "Local".
Menu > System Configuration > General Options > Central Operation> Type of Control > Total (anything else but "local")