Be aware that 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, for example, INMBSMIT100C000.
For more information about the Mitsubishi Multi solutions' capacity, consult the product's user manual.
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