recordController

Record for plant controller

Extends from Modelica.Icons.Record (Icon for records).

Information

This record provides the set of parameters for heat pump plant controllers that can be found within Buildings.Templates.Plants.HeatPumps.Components.Controls.

Parameters

TypeNameDefaultDescription
Buildings.Templates.Plants.HeatPumps.Configuration.HeatPumpPlantcfgPlant configuration parameters
Hot water plant
Real[:,2]schHea[0, 1; 24*3600, 1]Heating mode enable schedule
Modelica.Units.SI.TemperatureTHeaWatSup_nominalMaximum HW supply temperature setpoint (design HW supply temperature)
RealTHeaWatSupSet_minMinimum value to which the HW supply temperature can be reset
Modelica.Units.SI.TemperatureTOutHeaWatLckBuildings.Templates.Data.Defaults.TOutHeaWatLckOutdoor air lockout temperature above which the HW loop is prevented from operating
Modelica.Units.SI.VolumeFlowRateVHeaWatPri_flow_nominalVHeaWatHp_flow_nominal*cfg.nHp + VHeaWatPhp_flow_nominal*cfg.nPhpDesign primary HW volume flow rate
Modelica.Units.SI.VolumeFlowRateVHeaWatSec_flow_nominalDesign secondary HW volume flow rate
Modelica.Units.SI.PressureDifferencedpHeaWatRemSet_min5*6894Minimum value to which the HW differential pressure can be reset – Remote sensor
Chilled water plant
Real[:,2]schCoo[0, 1; 24*3600, 1]Cooling mode enable schedule
Modelica.Units.SI.TemperatureTChiWatSup_nominalMinimum CHW supply temperature setpoint (design CHW supply temperature)
Modelica.Units.SI.TemperatureTChiWatSupSet_maxMaximum value to which the CHW supply temperature can be reset
Modelica.Units.SI.TemperatureTOutChiWatLckBuildings.Templates.Data.Defaults.TOutChiWatLckOutdoor air lockout temperature below which the CHW loop is prevented from operating
Modelica.Units.SI.VolumeFlowRateVChiWatPri_flow_nominalVChiWatHp_flow_nominal*cfg.nHp + VChiWatPhp_flow_nominal*cfg.nPhpDesign primary CHW volume flow rate
Modelica.Units.SI.VolumeFlowRateVChiWatSec_flow_nominalDesign secondary CHW volume flow rate
Modelica.Units.SI.PressureDifferencedpChiWatRemSet_min5*6894Minimum value to which the CHW differential pressure can be reset – Remote sensor
Equipment staging and rotation
Real[:,:]staHp{i/cfg.nHp for _ in 1:cfg.nHp, i in 1:cfg.nHp}Heat pump staging matrix – Equipment required for each stage
Integer[:]idxAltHp1:cfg.nHpIndices of lead/lag alternate heat pumps
RealplrSta0.9Staging part load ratio
Plant equipment – Heat pumps
Modelica.Units.SI.VolumeFlowRateVHeaWatHp_flow_nominalDesign HW volume flow rate – Each heat pump
Modelica.Units.SI.VolumeFlowRateVHeaWatHp_flow_min1.1*VHeaWatHp_flow_nominalMinimum heat pump HW volume flow rate – Each heat pump
Modelica.Units.SI.HeatFlowRatecapHeaHp_nominalDesign heating capacity – Each heat pump
Modelica.Units.SI.VolumeFlowRateVChiWatHp_flow_nominalDesign CHW volume flow rate – Each heat pump
Modelica.Units.SI.VolumeFlowRateVChiWatHp_flow_min1.1*VChiWatHp_flow_nominalMinimum heat pump CHW volume flow rate – Each heat pump
Modelica.Units.SI.HeatFlowRatecapCooHp_nominalDesign cooling capacity – Each heat pump
Plant equipment – Polyvalent units
Modelica.Units.SI.VolumeFlowRateVHeaWatPhp_flow_nominalDesign HW volume flow rate – Each unit
Modelica.Units.SI.VolumeFlowRateVHeaWatPhp_flow_min1.1*VHeaWatPhp_flow_nominalMinimum heat pump HW volume flow rate – Each unit
Modelica.Units.SI.HeatFlowRatecapHeaPhp_nominalDesign heating capacity – Each unit
Modelica.Units.SI.HeatFlowRatecapHeaShcPhp_nominalDesign heating capacity in SHC mode – Each unit
Modelica.Units.SI.VolumeFlowRateVChiWatPhp_flow_nominalDesign CHW volume flow rate – Each unit
Modelica.Units.SI.VolumeFlowRateVChiWatPhp_flow_min1.1*VChiWatPhp_flow_nominalMinimum heat pump CHW volume flow rate – Each unit
Modelica.Units.SI.HeatFlowRatecapCooPhp_nominalDesign cooling capacity – Each unit
Modelica.Units.SI.HeatFlowRatecapCooShcPhp_nominalDesign cooling capacity in SHC mode – Each unit
Plant equipment – Sidestream heat recovery chiller
RealTChiWatSupHrc_minMinimum allowable CHW supply temperature – HRC
RealTHeaWatSupHrc_maxMaximum allowable HW supply temperature – HRC
RealCOPHeaHrc_nominalHeating COP at design heating conditions – HRC
RealcapCooHrc_minMinimum cooling capacity below which cycling occurs – HRC
RealcapHeaHrc_minMinimum heating capacity below which cycling occurs – HRC
Information provided by testing, adjusting, and balancing contractor
Modelica.Units.SI.PressureDifference[:]dpHeaWatRemSet_maxMaximum HW differential pressure setpoint – Remote sensor
RealdpHeaWatLocSet_min5*6895Minimum HW loop differential pressure setpoint local to the plant
RealdpHeaWatLocSet_maxMaximum HW loop differential pressure setpoint local to the plant
RealyPumHeaWatPriHdrSet1Primary HW pump speed providing design flow – Headered pumps
RealyPumHeaWatPriDedHpSet1Primary pump speed providing design flow in heating mode – HP dedicated pumps
RealyPumHeaWatPriDedPhpSet1Primary HW pump speed providing design flow – Polyvalent HP dedicated pumps
RealyPumHeaWatPri_min0.1Primary HW pump minimum speed
RealyPumHeaWatSec_min0.1Secondary HW pump minimum speed
Modelica.Units.SI.PressureDifference[:]dpChiWatRemSet_maxMaximum CHW differential pressure setpoint – Remote sensor
RealdpChiWatLocSet_min5*6895Minimum CHW loop differential pressure setpoint local to the plant
RealdpChiWatLocSet_maxMaximum CHW loop differential pressure setpoint local to the plant
RealyPumChiWatPriHdrSet1Primary CHW pump speed providing design flow – Headered pumps
RealyPumChiWatPriDedHpSet1Primary pump speed providing design flow in cooling mode – HP dedicated pumps
RealyPumChiWatPriDedPhpSet1Primary CHW pump speed providing design flow – Polyvalent HP dedicated pumps
RealyPumChiWatPri_min0.1Primary CHW pump minimum speed
RealyPumChiWatSec_min0.1Secondary CHW pump minimum speed

Revisions

  • July 10, 2026, by Antoine Gautier:
    Refactored for plants with polyvalent heat pumps.
    This is for #4512.
  • June 4, 2024, by Michael Wetter:
    Corrected display unit for Dymola 2024x Refresh1.