MXZ-SM36NAMHZ oversized 4 bedroom system short cycling, looking for opinions and suggestions

Facts:Climate Zone 5: Boston4 relatively small bedrooms, 100-140 sqft each. Partial wall/attic insulation in 1930s colonial.Outdoor unit: MXZ-SM36NAMHZIndoor units: MUZ-FS06NA X 4(First floor heated by a MUZ-FH18NAH single head unit… Facts:Climate Zone 5: Boston4 relatively small bedrooms, 100-140 sqft each. Partial wall/attic insulation in 1930s colonial.Outdoor unit: MXZ-SM36NAMHZIndoor units: MUZ-FS06NA X 4(First floor heated by a MUZ-FH18NAH single head unit…Read MoreGreenBuildingAdvisor