The cooling supplies to the lower level are all closed this week. It is better. The fan is "on" low which is better to warmup the lower level. The a/c is doing as much as can be expected with vey little short cycling. The occupants complain about the 3^F overcool.
Fresh air ERV ventilation is limited by a CO2 controller which limits ventilation to a minimum.
We have a dehu on site but did not operate it this week. The next week will have the dehu set at 50%RH and a/c dehu overcool mode off.
All of the testing that we have done in various parts of the green grass climates confirm the point of a/cs being unable to provide <50%RH during wet cool weather and during low/cooling loads with high outdoor dew points plus moisture from occupants.