User Manual

C400 controller summary
Limitations
3
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HMIs
Room units
Notes:
KNX based HMIs and room units cannot be connected to the controllers since
C400 controllers do not support the peripheral bus.
3.5 Limitations
C400 controllers are designed for residential and light commercial applications
requiring less performance, consider the following limitations when programming
applications.
Detailed information can be found in the Climatix limits document.