This article explains how to use the license of the AC Interfaces Multi-Unit for Mitsubishi Electric.
- Universal IR Air Conditioner to KNX Interface (INKNXMIT015C000, INKNXMIT100C000, INMBSMIT050C000, INMBSMIT100C000).
How does the Mitsubishi Electric Multi-Unit licence work?
The Model supporting up to 50 City Multi groups can be used for one Centralized Controller or one Expansion Controller.
If you have 25 Groups configured for one Centralized Controller and 25 Groups for an Expansion Controller, you need the Model supporting 100 City Multi groups.