modelMixedAirWithDamper

Mixed air system with return air damper

Extends from Buildings.Templates.AirHandlersFans.Components.Interfaces.PartialOutdoorReliefReturnSection (Interface class for outdoor/relief/return air section).

Information

This model represents a configuration with an air economizer.

Parameters

TypeNameDefaultDescription
IntegernFanRet (from PartialOutdoorReliefReturnSection)Number of return fans
IntegernFanRel (from PartialOutdoorReliefReturnSection)Number of relief fans
Buildings.Templates.AirHandlersFans.Components.Data.OutdoorReliefReturnSectiondat (from PartialOutdoorReliefReturnSection)Design and operating parameters
Modelica.Units.SI.MassFlowRatemAirSup_flow_nominal (from PartialOutdoorReliefReturnSection)dat.damOut.m_flow_nominalSupply air mass flow rate
Modelica.Units.SI.MassFlowRatemAirRet_flow_nominal (from PartialOutdoorReliefReturnSection)dat.damRet.m_flow_nominalReturn air mass flow rate
Modelica.Units.SI.MassFlowRatemOutMin_flow_nominal (from PartialOutdoorReliefReturnSection)dat.mOutMin_flow_nominalMinimum outdoor air mass flow rate at design conditions
Modelica.Units.SI.PressureDifferencedpDamOut_nominal (from PartialOutdoorReliefReturnSection)dat.damOut.dp_nominalOutdoor air damper pressure drop
Modelica.Units.SI.PressureDifferencedpDamOutMin_nominal (from PartialOutdoorReliefReturnSection)dat.damOutMin.dp_nominalMinimum outdoor air damper pressure drop
Modelica.Units.SI.PressureDifferencedpDamRel_nominal (from PartialOutdoorReliefReturnSection)dat.damRel.dp_nominalRelief air damper pressure drop
Modelica.Units.SI.PressureDifferencedpDamRet_nominal (from PartialOutdoorReliefReturnSection)dat.damRet.dp_nominalReturn air damper pressure drop
Configuration
Buildings.Templates.AirHandlersFans.Types.OutdoorReliefReturnSectiontyp (from PartialOutdoorReliefReturnSection)Outdoor/relief/return air section type
Buildings.Controls.OBC.ASHRAE.G36.Types.OutdoorAirSectiontypSecOut (from PartialOutdoorReliefReturnSection)Outdoor air section type
Buildings.Templates.AirHandlersFans.Types.ReliefReturnSectiontypSecRel (from PartialOutdoorReliefReturnSection)Relief/return air section type
Buildings.Templates.Components.Types.DampertypDamOut (from PartialOutdoorReliefReturnSection)Outdoor air damper type
Buildings.Templates.Components.Types.DampertypDamOutMin (from PartialOutdoorReliefReturnSection)Minimum outdoor air damper type
Buildings.Templates.Components.Types.DampertypDamRel (from PartialOutdoorReliefReturnSection)Relief damper type
Buildings.Templates.Components.Types.DampertypDamRet (from PartialOutdoorReliefReturnSection)Return damper type
Buildings.Templates.Components.Types.FantypFanRel (from PartialOutdoorReliefReturnSection)Relief fan type
Buildings.Templates.Components.Types.FantypFanRet (from PartialOutdoorReliefReturnSection)Return fan type
Booleanhave_eco (from PartialOutdoorReliefReturnSection)Set to true in case of economizer function
Booleanhave_recHea (from PartialOutdoorReliefReturnSection)falseSet to true in case of heat recovery
Buildings.Templates.AirHandlersFans.Types.ControlFanReturntypCtlFanRet (from PartialOutdoorReliefReturnSection)Buildings.Templates.AirHandlersFans.Types.ControlFanReturn.AirflowMeasuredReturn fan control type
Buildings.Controls.OBC.ASHRAE.G36.Types.ControlEconomizertypCtlEco (from PartialOutdoorReliefReturnSection)Buildings.Controls.OBC.ASHRAE.G36.Types.ControlEconomizer.FixedDryBulbEconomizer control type
Dynamics › Conservation equations
Modelica.Fluid.Types.DynamicsenergyDynamics (from PartialOutdoorReliefReturnSection)Modelica.Fluid.Types.Dynamics.DynamicFreeInitialType of energy balance: dynamic (3 initialization options) or steady state
Assumptions
BooleanallowFlowReversal (from PartialOutdoorReliefReturnSection)true= false to simplify equations, assuming, but not enforcing, no flow reversal

Connectors

TypeNameDefaultDescription
Modelica.Fluid.Interfaces.FluidPort_bport_Rel (from PartialOutdoorReliefReturnSection)Relief (exhaust) air
Modelica.Fluid.Interfaces.FluidPort_aport_Out (from PartialOutdoorReliefReturnSection)Outdoor air intake
Modelica.Fluid.Interfaces.FluidPort_bport_Sup (from PartialOutdoorReliefReturnSection)Supply air
Modelica.Fluid.Interfaces.FluidPort_aport_Ret (from PartialOutdoorReliefReturnSection)Return air
Modelica.Fluid.Interfaces.FluidPort_bport_bPre (from PartialOutdoorReliefReturnSection)Optional fluid connector for differential pressure sensor
Buildings.Templates.AirHandlersFans.Interfaces.Busbus (from PartialOutdoorReliefReturnSection)Control bus

Components

TypeNameDefaultDescription
Buildings.Templates.AirHandlersFans.Components.OutdoorSection.SingleDampersecOut
Buildings.Templates.AirHandlersFans.Components.ReliefReturnSection.ReturnFansecRel
Buildings.Templates.Components.Actuators.DamperdamRetReturn damper
Buildings.Templates.AirHandlersFans.Components.HeatRecovery.NonerecHea