| Modelica.Units.SI.Density | RHO_AIR | 1.2 | |
| Modelica.Units.SI.SpecificHeatCapacity | CP_WAT | 4187 | |
| Modelica.Units.SI.SpecificHeatCapacity | CP_AIR | 1006 | |
| Modelica.Units.SI.Area | FloorArea | 100 | Floor area [m2] |
| Modelica.Units.SI.CoefficientOfHeatTransfer | U | 1 | Heat losses per floor area |
| Modelica.Units.SI.Time | tau | 432000 | Building fabric time constant |
| Real | MHs | 1.0 | Mass of water in the heating system per floor area [kg/m2] |
| Modelica.Units.SI.HeatFlux | PhiRadH_nom | 85.0 | Nominal power output of radiators per floor area |
| Real | SolarAperture | 0.05 | Sun exposed window area per floor area * g-value |
| Real | WinIntShading | 0.15 | Window integrated shading; aktivated if TRoom > TSetC (if exists) or 26°C |
| Real | ela | 0.0001 | Equivalent leakage per floor area at Dp=4 Pa (C_d = 1) |
| Real | ACH | 0 | Air exchange per floor area and hour |
| Modelica.Units.NonSI.Temperature_degC | TSetH | 21 | Indoor air setpoint temperature for heating |
| Modelica.Units.SI.Time | SystemStartTime | 0 | Time of day when indoor air is controlled to TSet |
| Modelica.Units.SI.Time | SystemOffTime | 86400 | Time of day when heating system is turned off |
| Modelica.Units.NonSI.Temperature_degC | TBalance | 15 | Outdoor temperature at which no heating is needed |
| Modelica.Units.NonSI.Temperature_degC | PBand | 2.0 | Controller P-band |
| Modelica.Units.NonSI.Temperature_degC | TSupNomH | 40 | Nominal supply temperture for space heating |
| Modelica.Units.SI.Pressure | dP0 | 1 | Limit for linear flow in the valve |
| Modelica.Units.SI.Pressure | dP0Air | 0.1 | Limit for linear flow in the air equation |
| Real | N_value | 1.3 | n value, exponent of power curve |
| Real | KV_max | 1 | Max flow coefficient for the valve [kg/s/Pa^{1/2}] |
| Real | KV_small | 0 | Flow coefficient for the closed valve [kg/s/Pa^{1/2}] |
| Modelica.Units.SI.Pressure | dPNom | 100000 | Nominal pressure difference [Pa] |
| Modelica.Units.SI.Length | HBuoyancy | 2 | Effective height difference for buoyancy driven flow |
| Modelica.Units.SI.MassFlowRate | m0 | 1e-4 | Half deadband for switching flow direction |
| Boolean | dynamicMassFlow | true | |
| Modelica.Units.SI.Time | tauMassFlow | 40 | |
| Real | dhwScale | 1 | |
| Real | HCMode | 1 | Heating/Cooling Mode: 1 --> heating; -1 --> cooling |
| Modelica.Units.SI.ThermalResistance | RRoom | 1/(U*FloorArea) | Thermal resistance of room [K/W] |
| Modelica.Units.SI.HeatCapacity | CRoom | tau/RRoom | Heat capacity of room [J/K] |
| Real | c0 | c*dP0Air^(0.6 - 1) | linear coefficient |
| Real | c | ela*FloorArea*sqrt(4*2*RHO_AIR)/4^0.6 | powerlaw coeff [kg/(s Pa**n)] |
| Modelica.Units.NonSI.Temperature_degC | TSetSup | 65 | |
| Real | mLiqNom | PhiRadH_nom/(TSupNomH - TSetH)/CP_WAT | Nominal water flow per floor area |
| Real | KV_nom | mLiqNom*3.6/sqrt(dPNom/100000) | |
