Air Conditioner Sizing / Dehumidifier

I have 1,650 sqft house in the Bahamas with a R20 spray foam unventilated attic. The HVAC Calc report:

22,001 sensible

2,819 latent

76f indoor design

50% RH

90f outside design

129 grains of moisture

Looking at a 2 ton Rheem unit and a Aprilaire 1830 whole house dehumidifier

17,500 sensible

6,500 latent

Should I be concerned with the sensible capability.

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