python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.DHC.Plants.Combined.Subsystems.Validation.HeatPumpGroup_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_latest_Buildings_DHC_Plants_Combined_Subsystems_Validation_HeatPumpGroup.fmu