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Communication of the System
1.5 2 modules or above are applied to outdoor units and the Qty of the indoor units is greater than(N×16):
When the Qty of indoor units is greater than (N×16), the extra pinboards should be added. The Qty of
adding pinboards is :[ total indoor units –(N×16)]/16. The Qty of indoor units that each pinboards connects
should less than or equal to 16 sets and the interface port of corresponding pinboard is CN4.