Why is the output capacity of the multi different from the catalog?

>Combination table of catalog shows capacity in rated.
Because Design Simulator calculates capacity for each indoor unit based on the total capacity.

Catalog shows capacity in rated.
In total, ASYG07LMCE(1.96 kW) + ASYG07LMCE(1.96 kW) + ASYG14LMCE(3.27 kW) = 7.2 kW.

Design Simulator calculates capacity for each indoor unit based on the total capacity.

In total, ASYG07LMCE(2.43 kW) + ASYG07LMCE(2.43 kW) + ASYG14LMCE(4.05 kW) = 8.91 kW.