model VAVBoxCoolingOnly "Validation model for VAV terminal unit cooling only" extends Modelica.Icons.Example; replaceable package MediumAir=Buildings.Media.Air constrainedby Modelica.Media.Interfaces.PartialMedium "Air medium"; replaceable package MediumHeaWat=Buildings.Media.Water constrainedby Modelica.Media.Interfaces.PartialMedium "Heating medium (such as HHW)"; inner parameter UserProject.Data.AllSystems datAll( final VAVBox_1(cfg=VAVBox_1.cfg)) "System parameters"; Fluid.Sources.Boundary_pT bouPri( redeclare final package Medium = MediumAir, p=MediumAir.p_default + 200, nPorts=1) "Boundary conditions for primary air distribution system"; Fluid.FixedResistances.PressureDrop res( redeclare final package Medium = MediumAir, m_flow_nominal=1, dp_nominal=100); Fluid.FixedResistances.PressureDrop res1( redeclare final package Medium = MediumAir, m_flow_nominal=1, dp_nominal=100); Fluid.Sources.Boundary_pT bouBui( redeclare final package Medium = MediumAir, nPorts=1) "Boundary conditions for indoor environment"; replaceable Buildings.Templates.ZoneEquipment.VAVBoxCoolingOnly VAVBox_1( final dat=datAll.VAVBox_1, redeclare final package MediumAir = MediumAir, redeclare final package MediumHeaWat = MediumHeaWat) "Terminal unit"; Fluid.Sources.Boundary_pT bouHeaWat( redeclare final package Medium = MediumHeaWat, nPorts=2) if VAVBox_1.have_souHeaWat "Boundary conditions for HHW distribution system"; UserProject.VAVMZControlPoints sigAirHan if VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxCoolingOnly or VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxReheat "Control signals from AHU"; UserProject.ZoneControlPoints sigZon if VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxCoolingOnly or VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxReheat "Control signals from zone-level equipment"; UserProject.PlantControlPoints sigPla if VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxCoolingOnly or VAVBox_1.ctl.typ == Buildings.Templates.ZoneEquipment.Types.Controller.G36VAVBoxReheat "Control signals from AHU"; UserProject.BASControlPoints sigBAS "BAS control points"; equation connect(bouPri.ports[1], res.port_a); connect(bouBui.ports[1], res1.port_b); connect(res.port_b, VAVBox_1.port_Sup); connect(VAVBox_1.port_Dis, res1.port_a); connect(VAVBox_1.port_aHeaWat, bouHeaWat.ports[1]); connect(VAVBox_1.port_bHeaWat, bouHeaWat.ports[2]); connect(sigZon.bus, VAVBox_1.bus); connect(sigAirHan.busTer[1], VAVBox_1.bus); connect(sigPla.busTer[1], VAVBox_1.bus); connect(sigBAS.busTer[1], VAVBox_1.bus); end VAVBoxCoolingOnly;

model VAVBoxReheat "Validation model for VAV terminal unit with reheat" extends VAVBoxCoolingOnly( redeclare Buildings.Templates.ZoneEquipment.VAVBoxReheat VAVBox_1); end VAVBoxReheat;