System temperatures 75/65/20
record SysTemp_75_65_20 = dhcSim.Data.SystemTemperatures(TRoo_nominal = 273.15 + 20, TRoo = 273.15 + 20, TAmb_nominal = 273.15 - 15, TSup_nominal = 273.15 + 75, TRet_nominal = 273.15 + 65, m = 1.3);