Declaration of pump model
model pumpModel = Buildings.Fluid.Movers.SpeedControlled_y(redeclare package Medium = Medium, use_inputFilter = false, energyDynamics = Modelica.Fluid.Types.Dynamics.SteadyState, per(pressure(V_flow = 2/1000*m_flow_nominal*{0.2, 0.4, 0.6, 0.8}, dp = dp_nominal*{0.9, 0.85, 0.6, 0.2})));