Module: OsLib_HVAC_zedg_gshp

Defined in:
lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb

Overview

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Class Method Summary collapse

Class Method Details

.addDCV(model, runner, options) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 1927

def self.addDCV(model, runner, options)
  if options.key? 'primary_airloops'
    options['primary_airloops'].each do |airloop|
      if options['allHVAC']['primary']['fan'] == 'Variable'
        if airloop.airLoopHVACOutdoorAirSystem.is_initialized
          controller_mv = airloop.airLoopHVACOutdoorAirSystem.get.getControllerOutdoorAir.controllerMechanicalVentilation
          controller_mv.setDemandControlledVentilation(true)
          runner.registerInfo("Enabling demand control ventilation for #{airloop.name}")
        end
      end
    end
  end

  if options.key? 'secondary_airloops'
    options['secondary_airloops'].each do |airloop|
      if 1 == 1 # dfg for AEDG always add DCV for secondary loops options["allHVAC"]["secondary"]["fan"] == "Variable"
        if airloop.airLoopHVACOutdoorAirSystem.is_initialized
          controller_mv = airloop.airLoopHVACOutdoorAirSystem.get.getControllerOutdoorAir.controllerMechanicalVentilation
          controller_mv.setDemandControlledVentilation(true)
          runner.registerInfo("Enabling demand control ventilation for #{airloop.name}")
        end
      end
    end
  end
end

.assignHVACSchedules(model, runner, options = {}) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 213

def self.assignHVACSchedules(model, runner, options = {})
  schedulesHVAC = {}
  airloops = model.getAirLoopHVACs

  # find airloop with most primary spaces
  max_primary_spaces = 0
  representative_airloop = false
  building_HVAC_schedule = false
  building_ventilation_schedule = false
  unless options['remake_schedules']
    # if remake schedules not selected, get relevant schedules from model if they exist
    airloops.each do |air_loop|
      primary_spaces = 0
      air_loop.thermalZones.each do |thermal_zone|
        thermal_zone.spaces.each do |space|
          if space.spaceType.is_initialized
            if space.spaceType.get.name.is_initialized
              if space.spaceType.get.name.get.include? options['primarySpaceType']
                primary_spaces += 1
              end
            end
          end
        end
      end
      if primary_spaces > max_primary_spaces
        max_primary_spaces = primary_spaces
        representative_airloop = air_loop
      end
    end
  end
  if representative_airloop
    building_HVAC_schedule = representative_airloop.availabilitySchedule
    if representative_airloop.airLoopHVACOutdoorAirSystem.is_initialized
      building_ventilation_schedule_optional = representative_airloop.airLoopHVACOutdoorAirSystem.get.getControllerOutdoorAir.maximumFractionofOutdoorAirSchedule
      if building_ventilation_schedule_optional.is_initialized
        building_ventilation_schedule = building_ventilation_schedule.get
      end
    end
  end
  # build new airloop schedules if existing model doesn't have them
  if options['primarySpaceType'] == 'Classroom'
    # ventilation schedule
    unless building_ventilation_schedule
      ruleset_name = 'AEDG K-12 Ventilation Schedule'
      winter_design_day = [[24, 1]]
      summer_design_day = [[24, 1]]
      default_day = ['Weekday', [6, 0], [18, 1], [24, 0]]
      rules = []
      rules << ['Weekend', '1/1-12/31', 'Sat/Sun', [24, 0]]
      rules << ['Summer Weekday', '7/1-8/31', 'Mon/Tue/Wed/Thu/Fri', [8, 0], [13, 1], [24, 0]]
      options_ventilation = { 'name' => ruleset_name,
                              'winter_design_day' => winter_design_day,
                              'summer_design_day' => summer_design_day,
                              'default_day' => default_day,
                              'rules' => rules }
      building_ventilation_schedule = OsLib_Schedules.createComplexSchedule(model, options_ventilation)
    end
    # HVAC availability schedule
    unless building_HVAC_schedule
      ruleset_name = 'AEDG K-12 HVAC Availability Schedule'
      winter_design_day = [[24, 1]]
      summer_design_day = [[24, 1]]
      default_day = ['Weekday', [6, 0], [18, 1], [24, 0]]
      rules = []
      rules << ['Weekend', '1/1-12/31', 'Sat/Sun', [24, 0]]
      rules << ['Summer Weekday', '7/1-8/31', 'Mon/Tue/Wed/Thu/Fri', [8, 0], [13, 1], [24, 0]]
      options_hvac = { 'name' => ruleset_name,
                       'winter_design_day' => winter_design_day,
                       'summer_design_day' => summer_design_day,
                       'default_day' => default_day,
                       'rules' => rules }
      building_HVAC_schedule = OsLib_Schedules.createComplexSchedule(model, options_hvac)
    end
  elsif options['primarySpaceType'] == 'Office'
    # ventilation schedule
    unless building_ventilation_schedule
      ruleset_name = 'AEDG Office Ventilation Schedule'
      winter_design_day = [[24, 1]] # ML These are not always on in PNNL model
      summer_design_day = [[24, 1]] # ML These are not always on in PNNL model
      default_day = ['Weekday', [7, 0], [22, 1], [24, 0]] # ML PNNL has a one hour ventilation offset
      rules = []
      rules << ['Saturday', '1/1-12/31', 'Sat', [7, 0], [18, 1], [24, 0]] # ML PNNL has a one hour ventilation offset
      rules << ['Sunday', '1/1-12/31', 'Sun', [24, 0]]
      options_ventilation = { 'name' => ruleset_name,
                              'winter_design_day' => winter_design_day,
                              'summer_design_day' => summer_design_day,
                              'default_day' => default_day,
                              'rules' => rules }
      building_ventilation_schedule = OsLib_Schedules.createComplexSchedule(model, options_ventilation)
    end
    # HVAC availability schedule
    unless building_HVAC_schedule
      ruleset_name = 'AEDG Office HVAC Availability Schedule'
      winter_design_day = [[24, 1]] # ML These are not always on in PNNL model
      summer_design_day = [[24, 1]] # ML These are not always on in PNNL model
      default_day = ['Weekday', [6, 0], [22, 1], [24, 0]] # ML PNNL has a one hour ventilation offset
      rules = []
      rules << ['Saturday', '1/1-12/31', 'Sat', [6, 0], [18, 1], [24, 0]] # ML PNNL has a one hour ventilation offset
      rules << ['Sunday', '1/1-12/31', 'Sun', [24, 0]]
      options_hvac = { 'name' => ruleset_name,
                       'winter_design_day' => winter_design_day,
                       'summer_design_day' => summer_design_day,
                       'default_day' => default_day,
                       'rules' => rules }
      building_HVAC_schedule = OsLib_Schedules.createComplexSchedule(model, options_hvac)
    end
    # special loops for radiant system (different temperature setpoints)
    if options['allHVAC']['zone'] == 'Radiant'
      # create hot water schedule for radiant heating loop
      schedulesHVAC['radiant_hot_water'] = OsLib_Schedules.createComplexSchedule(model, 'name' => 'AEDG HW-Radiant-Loop-Temp-Schedule',
                                                                                        'default_day' => ['All Days', [24, 45.0]])
      # create hot water schedule for radiant cooling loop
      schedulesHVAC['radiant_chilled_water'] = OsLib_Schedules.createComplexSchedule(model, 'name' => 'AEDG CW-Radiant-Loop-Temp-Schedule',
                                                                                            'default_day' => ['All Days', [24, 15.0]])
      # create mean radiant heating and cooling setpoint schedules
      # ML ideally, should grab schedules tied to zone thermostat and make modified versions that follow the setback pattern
      # for now, create new ones that match the recommended HVAC schedule
      # mean radiant heating setpoint schedule (PNNL values)
      ruleset_name = 'AEDG Office Mean Radiant Heating Setpoint Schedule'
      winter_design_day = [[24, 18.8]]
      summer_design_day = [[6, 18.3], [22, 18.8], [24, 18.3]]
      default_day = ['Weekday', [6, 18.3], [22, 18.8], [24, 18.3]]
      rules = []
      rules << ['Saturday', '1/1-12/31', 'Sat', [6, 18.3], [18, 18.8], [24, 18.3]]
      rules << ['Sunday', '1/1-12/31', 'Sun', [24, 18.3]]
      options_radiant_heating = { 'name' => ruleset_name,
                                  'winter_design_day' => winter_design_day,
                                  'summer_design_day' => summer_design_day,
                                  'default_day' => default_day,
                                  'rules' => rules }
      mean_radiant_heating_schedule = OsLib_Schedules.createComplexSchedule(model, options_radiant_heating)
      schedulesHVAC['mean_radiant_heating'] = mean_radiant_heating_schedule
      # mean radiant cooling setpoint schedule (PNNL values)
      ruleset_name = 'AEDG Office Mean Radiant Cooling Setpoint Schedule'
      winter_design_day = [[6, 26.7], [22, 24.0], [24, 26.7]]
      summer_design_day = [[24, 24.0]]
      default_day = ['Weekday', [6, 26.7], [22, 24.0], [24, 26.7]]
      rules = []
      rules << ['Saturday', '1/1-12/31', 'Sat', [6, 26.7], [18, 24.0], [24, 26.7]]
      rules << ['Sunday', '1/1-12/31', 'Sun', [24, 26.7]]
      options_radiant_cooling = { 'name' => ruleset_name,
                                  'winter_design_day' => winter_design_day,
                                  'summer_design_day' => summer_design_day,
                                  'default_day' => default_day,
                                  'rules' => rules }
      mean_radiant_cooling_schedule = OsLib_Schedules.createComplexSchedule(model, options_radiant_cooling)
      schedulesHVAC['mean_radiant_cooling'] = mean_radiant_cooling_schedule
    end
  end
  # SAT schedule
  if options['allHVAC']['primary']['doas']
    # primary airloop is DOAS
    schedulesHVAC['primary_sat'] = sch_ruleset_DOAS_setpoint = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG DOAS Temperature Setpoint Schedule',
                                                                                                             'default_day' => ['All Days', [24, 20.0]])
  else
    # primary airloop is multizone VAV that cools
    schedulesHVAC['primary_sat'] = sch_ruleset_DOAS_setpoint = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG Cold Deck Temperature Setpoint Schedule',
                                                                                                             'default_day' => ['All Days', [24, 12.8]])
  end
  schedulesHVAC['ventilation'] = building_ventilation_schedule
  schedulesHVAC['hvac'] = building_HVAC_schedule
  # build new plant schedules as needed
  zoneHVACHotWaterPlant = ['FanCoil', 'DualDuct', 'Baseboard'] # dual duct has fan coil and baseboard
  zoneHVACChilledWaterPlant = ['FanCoil', 'DualDuct'] # dual duct has fan coil
  # hot water
  if (options['allHVAC']['primary']['heat'] == 'Water') || (options['allHVAC']['secondary']['heat'] == 'Water') || zoneHVACHotWaterPlant.include?(options['allHVAC']['zone'])
    schedulesHVAC['hot_water'] = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG HW-Loop-Temp-Schedule',
                                                                               'default_day' => ['All Days', [24, 67.0]])
  end
  # chilled water
  if (options['allHVAC']['primary']['cool'] == 'Water') || (options['allHVAC']['secondary']['cool'] == 'Water') || zoneHVACChilledWaterPlant.include?(options['allHVAC']['zone'])
    schedulesHVAC['chilled_water'] = OsLib_Schedules.createComplexSchedule(model, 'name' => 'AEDG CW-Loop-Temp-Schedule',
                                                                                  'default_day' => ['All Days', [24, 6.7]])
  end
  # heat pump condenser loop schedules
  if options['allHVAC']['zone'] == 'GSHP'
    # there will be a heat pump condenser loop
    # loop setpoint schedule
    schedulesHVAC['hp_loop'] = OsLib_Schedules.createComplexSchedule(model, 'name' => 'AEDG HP-Loop-Temp-Schedule',
                                                                            'default_day' => ['All Days', [24, 21]])
    # cooling component schedule (#ML won't need this if a ground loop is actually modeled)
    schedulesHVAC['hp_loop_cooling'] = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG HP-Loop-Clg-Temp-Schedule',
                                                                                     'default_day' => ['All Days', [24, 21]])
    # heating component schedule
    schedulesHVAC['hp_loop_heating'] = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG HP-Loop-Htg-Temp-Schedule',
                                                                                     'default_day' => ['All Days', [24, 5]])
  end
  if options['allHVAC']['zone'] == 'WSHP'
    # there will be a heat pump condenser loop
    # loop setpoint schedule
    schedulesHVAC['hp_loop'] = OsLib_Schedules.createComplexSchedule(model, 'name' => 'AEDG HP-Loop-Temp-Schedule',
                                                                            'default_day' => ['All Days', [24, 30]]) # PNNL
    # cooling component schedule (#ML won't need this if a ground loop is actually modeled)
    schedulesHVAC['hp_loop_cooling'] = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG HP-Loop-Clg-Temp-Schedule',
                                                                                     'default_day' => ['All Days', [24, 30]]) # PNNL
    # heating component schedule
    schedulesHVAC['hp_loop_heating'] = OsLib_Schedules.createComplexSchedule(model,  'name' => 'AEDG HP-Loop-Htg-Temp-Schedule',
                                                                                     'default_day' => ['All Days', [24, 20]]) # PNNL
  end

  # pass back schedulesHVAC hash
  result = schedulesHVAC
  return result
end

.createAirLoopHVACUnitarySystem(model, runner, options, fan_pressure_rise) ⇒ Object

instead of making one unitary system, will make two unitary systems each with one component, and a fan



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 858

def self.createAirLoopHVACUnitarySystem(model, runner, options, fan_pressure_rise)
  demand_side_components = []

  # add variable speed fan
  fan = OpenStudio::Model::FanVariableVolume.new(model, model.alwaysOnDiscreteSchedule)
  fan.setFanEfficiency(0.6)
  fan.setPressureRise(fan_pressure_rise) # Pa
  fan.autosizeMaximumFlowRate
  fan.setFanPowerMinimumFlowFraction(0.6)
  fan.setMotorEfficiency(0.85)
  fan.setMotorInAirstreamFraction(1.0)

  # add to array of airloop components
  demand_side_components << fan

  # create unitary compoennt
  unitary_component_a = OpenStudio::Model::AirLoopHVACUnitarySystem.new(model)
  unitary_component_a.setSupplyAirFanOperatingModeSchedule(model.alwaysOnDiscreteSchedule)
  # unitary_component_a.setControlType("SetPoint")
  unitary_component_a.setString(2, 'SetPoint') # work around for missing API method to setControlType

  # add heating
  heating_coil = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFit .new(model)
  heating_coil.setNominalSpeedLevel(2)
  # is the rest non-curve coil data autosized

  # create speed data 1 and set non curve data
  speedData1 = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
  heating_coil.addSpeed(speedData1)
  speedData1.setName('DOAS Heating SpeedData1')
  # speedData1.setReferenceUnitGrossRatedHeatingCapacity(8.41114057)
  speedData1.setReferenceUnitGrossRatedHeatingCOP(5.79)
  # speedData1.setReferenceUnitRatedAirFlow(0.660726)
  # speedData1.setReferenceUnitRatedWaterFlowRate(0.00039746825664)
  speedData1.setReferenceUnitWasteHeatFractionofInputPowerAtRatedConditions(0.0)

  # make tables where two indepenent variables
  table_data = TableLib.tableDataPartLoadHtgCapfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setHeatingCapacityFunctionofTemperatureCurve(table)

  table_data = TableLib.tableDataPartLoadHtgEIRfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setEnergyInputRatioFunctionofTemperatureCurve(table)

  # make tables where one variable
  table_data = TableLib.tableDataPartLoadHtgCapfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setHeatingCapacityFunctionofWaterFlowFractionCurve(table)

  table_data = TableLib.tableDataPartLoadHtgEIRfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setEnergyInputRatioFunctionofWaterFlowFractionCurve(table)

  # TODO: - should I remove orphan curves that got replaced

  # make curves
  # totalHeatingCapacityFunctionofAirFlowFractionCurve uses ConstantQuadratic (1,0,0,0,1)
  # energyInputRatioFunctionofAirFlowFractionCurve uses ConstantQuadratic (1,0,0,0,1)
  # wasteHeatFunctionofTemperatureCurve uses ConstantBiquadratic (1,0,0,0,0,0) Need to update min/max values to (0,1,0,1)
  constant_biquadratic = speedData1.wasteHeatFunctionofTemperatureCurve.to_CurveBiquadratic.get
  constant_biquadratic.setMinimumValueofx(0)
  constant_biquadratic.setMaximumValueofx(1)
  constant_biquadratic.setMinimumValueofy(0)
  constant_biquadratic.setMaximumValueofy(1)

  # create speed data 2 and set non curve data
  speedData2 = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
  heating_coil.addSpeed(speedData2)
  speedData2.setName('DOAS Heating SpeedData2')
  # speedData2.setReferenceUnitGrossRatedHeatingCapacity(8.41114057)
  speedData2.setReferenceUnitGrossRatedHeatingCOP(5.19)
  # speedData2.setReferenceUnitRatedAirFlow(0.660726)
  # speedData2.setReferenceUnitRatedWaterFlowRate(0.00039746825664)
  speedData2.setReferenceUnitWasteHeatFractionofInputPowerAtRatedConditions(0.0)

  # make tables where two indepenent variables
  table_data = TableLib.tableDataFullLoadHtgCapfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setHeatingCapacityFunctionofTemperatureCurve(table)

  table_data = TableLib.tableDataFullLoadHtgEIRfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setEnergyInputRatioFunctionofTemperatureCurve(table)

  # make tables where one variable
  table_data = TableLib.tableDataFullLoadHtgCapfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setHeatingCapacityFunctionofWaterFlowFractionCurve(table)

  table_data = TableLib.tableDataFullLoadHtgEIRfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setEnergyInputRatioFunctionofWaterFlowFractionCurve(table)

  # TODO: - should I remove orphan curves that got replaced

  # make curves
  # totalHeatingCapacityFunctionofAirFlowFractionCurve uses ConstantQuadratic (1,0,0,0,1)
  # energyInputRatioFunctionofAirFlowFractionCurve uses ConstantQuadratic (1,0,0,0,1)
  # wasteHeatFunctionofTemperatureCurve uses ConstantBiquadratic (1,0,0,0,0,0) Need to update min/max values to (0,1,0,1)
  constant_biquadratic = speedData2.wasteHeatFunctionofTemperatureCurve.to_CurveBiquadratic.get
  constant_biquadratic.setMinimumValueofx(0)
  constant_biquadratic.setMaximumValueofx(1)
  constant_biquadratic.setMinimumValueofy(0)
  constant_biquadratic.setMaximumValueofy(1)

  unitary_component_a.setHeatingCoil(heating_coil)
  runner.registerInfo("adding #{heating_coil.name} to #{unitary_component_a.name}")
  options['heat_pump_loop'].addDemandBranchForComponent(heating_coil)

  # add to array of airloop components
  demand_side_components << unitary_component_a

  unitary_component_b = OpenStudio::Model::AirLoopHVACUnitarySystem.new(model)
  unitary_component_b.setSupplyAirFanOperatingModeSchedule(model.alwaysOnDiscreteSchedule)
  # unitary_component_b.setControlType("SetPoint")
  unitary_component_b.setString(2, 'SetPoint') # work around for missing API method to setControlType

  # add cooling
  cooling_coil = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFit.new(model)
  cooling_coil.setNominalSpeedLevel(2)
  # is the rest non-curve coil data autosized

  # create speed data 1 and set non curve data
  speedData1 = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
  cooling_coil.addSpeed(speedData1)
  speedData1.setName('DOAS Cooling SpeedData1')
  # speedData1.setReferenceUnitGrossRatedTotalCoolingCapacity(5.758847115)
  speedData1.setReferenceUnitGrossRatedSensibleHeatRatio(0.709931548)
  speedData1.setReferenceUnitGrossRatedCoolingCOP(12.30195249)
  # speedData1.setReferenceUnitRatedAirFlowRate(0.660726)
  # speedData1.setReferenceUnitRatedWaterFlowRate(0.00039746825664)

  # make tables where two indepenent variables
  table_data = TableLib.tableDataPartLoadClgCapfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setTotalCoolingCapacityFunctionofTemperatureCurve(table)

  table_data = TableLib.tableDataPartLoadClgEIRfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setEnergyInputRatioFunctionofTemperatureCurve(table)

  # make tables where one variable
  table_data = TableLib.tableDataPartLoadClgCapfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setTotalCoolingCapacityFunctionofWaterFlowFractionCurve(table)

  table_data = TableLib.tableDataPartLoadClgEIRfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData1.setEnergyInputRatioFunctionofWaterFlowFractionCurve(table)

  # TODO: - should I remove orphan curves that got replaced

  # make curves
  # ConstantQuadratic (1,0,0,0,1) used in speedData1 and speedData2 for cooiling coil
  constant_biquadratic = speedData1.wasteHeatFunctionofTemperatureCurve.to_CurveBiquadratic.get
  constant_biquadratic.setMinimumValueofx(0)
  constant_biquadratic.setMaximumValueofx(1)
  constant_biquadratic.setMinimumValueofy(0)
  constant_biquadratic.setMaximumValueofy(1)

  # create speed data 2 and set non curve data
  speedData2 = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
  cooling_coil.addSpeed(speedData2)
  speedData2.setName('DOAS Cooling SpeedData2')
  # speedData2.setReferenceUnitGrossRatedTotalCoolingCapacity(8.630943895)
  speedData2.setReferenceUnitGrossRatedSensibleHeatRatio(0.718060282)
  speedData2.setReferenceUnitGrossRatedCoolingCOP(4.787316419)
  # speedData2.setReferenceUnitRatedAirFlowRate(0.660726)
  # speedData2.setReferenceUnitRatedWaterFlowRate(0.00039746825664)

  # make tables where two indepenent variables
  table_data = TableLib.tableDataFullLoadClgCapfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setTotalCoolingCapacityFunctionofTemperatureCurve(table)

  table_data = TableLib.tableDataFullLoadClgEIRfTemp
  table = OsLib_HVAC_zedg_gshp.write_two_indep_var_table(model, runner, table_data['xyz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setEnergyInputRatioFunctionofTemperatureCurve(table)

  # make tables where one variable
  table_data = TableLib.tableDataFullLoadClgCapfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setTotalCoolingCapacityFunctionofWaterFlowFractionCurve(table)

  table_data = TableLib.tableDataFullLoadClgEIRfWaterFlowFrac
  table = OsLib_HVAC_zedg_gshp.write_one_var_table(model, runner, table_data['xz_data'], table_data['unit_types'], table_data['norm_ref'])
  speedData2.setEnergyInputRatioFunctionofWaterFlowFractionCurve(table)

  # make curves
  # ConstantQuadratic (1,0,0,0,1) used in speedData1 and speedData2 for cooiling coil
  constant_biquadratic = speedData2.wasteHeatFunctionofTemperatureCurve.to_CurveBiquadratic.get
  constant_biquadratic.setMinimumValueofx(0)
  constant_biquadratic.setMaximumValueofx(1)
  constant_biquadratic.setMinimumValueofy(0)
  constant_biquadratic.setMaximumValueofy(1)

  unitary_component_b.setCoolingCoil(cooling_coil)
  runner.registerInfo("adding #{cooling_coil.name} to #{unitary_component_b.name}")
  options['heat_pump_loop'].addDemandBranchForComponent(cooling_coil)

  # add to array of airloop components
  demand_side_components << unitary_component_b

  # TODO: - do I need to set system sizing?
  # sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(0.3) #DCV

  return demand_side_components
end

.createChilledWaterPlant(model, runner, chilled_water_setpoint_schedule, loop_type, chillerType) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 471

def self.createChilledWaterPlant(model, runner, chilled_water_setpoint_schedule, loop_type, chillerType)
  # chilled water plant
  chilled_water_plant = OpenStudio::Model::PlantLoop.new(model)
  chilled_water_plant.setName("AEDG #{loop_type} Loop")
  chilled_water_plant.setMaximumLoopTemperature(98)
  chilled_water_plant.setMinimumLoopTemperature(1)
  loop_sizing = chilled_water_plant.sizingPlant
  loop_sizing.setLoopType('Cooling')
  if loop_type == 'Chilled Water'
    loop_sizing.setDesignLoopExitTemperature(6.7)
  elsif loop_type == 'Radiant Chilled Water'
    loop_sizing.setDesignLoopExitTemperature(15)
  end
  loop_sizing.setLoopDesignTemperatureDifference(6.7)
  # create a pump
  pump = OpenStudio::Model::PumpVariableSpeed.new(model)
  pump.setRatedPumpHead(149453) # Pa
  pump.setMotorEfficiency(0.9)
  pump.setCoefficient1ofthePartLoadPerformanceCurve(0)
  pump.setCoefficient2ofthePartLoadPerformanceCurve(0.0216)
  pump.setCoefficient3ofthePartLoadPerformanceCurve(-0.0325)
  pump.setCoefficient4ofthePartLoadPerformanceCurve(1.0095)
  # create a chiller
  if chillerType == 'WaterCooled'
    # create clgCapFuncTempCurve
    clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
    clgCapFuncTempCurve.setCoefficient1Constant(1.07E+00)
    clgCapFuncTempCurve.setCoefficient2x(4.29E-02)
    clgCapFuncTempCurve.setCoefficient3xPOW2(4.17E-04)
    clgCapFuncTempCurve.setCoefficient4y(-8.10E-03)
    clgCapFuncTempCurve.setCoefficient5yPOW2(-4.02E-05)
    clgCapFuncTempCurve.setCoefficient6xTIMESY(-3.86E-04)
    clgCapFuncTempCurve.setMinimumValueofx(0)
    clgCapFuncTempCurve.setMaximumValueofx(20)
    clgCapFuncTempCurve.setMinimumValueofy(0)
    clgCapFuncTempCurve.setMaximumValueofy(50)
    # create eirFuncTempCurve
    eirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
    eirFuncTempCurve.setCoefficient1Constant(4.68E-01)
    eirFuncTempCurve.setCoefficient2x(-1.38E-02)
    eirFuncTempCurve.setCoefficient3xPOW2(6.98E-04)
    eirFuncTempCurve.setCoefficient4y(1.09E-02)
    eirFuncTempCurve.setCoefficient5yPOW2(4.62E-04)
    eirFuncTempCurve.setCoefficient6xTIMESY(-6.82E-04)
    eirFuncTempCurve.setMinimumValueofx(0)
    eirFuncTempCurve.setMaximumValueofx(20)
    eirFuncTempCurve.setMinimumValueofy(0)
    eirFuncTempCurve.setMaximumValueofy(50)
    # create eirFuncPlrCurve
    eirFuncPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
    eirFuncPlrCurve.setCoefficient1Constant(1.41E-01)
    eirFuncPlrCurve.setCoefficient2x(6.55E-01)
    eirFuncPlrCurve.setCoefficient3xPOW2(2.03E-01)
    eirFuncPlrCurve.setMinimumValueofx(0)
    eirFuncPlrCurve.setMaximumValueofx(1.2)
    # construct chiller
    chiller = OpenStudio::Model::ChillerElectricEIR.new(model, clgCapFuncTempCurve, eirFuncTempCurve, eirFuncPlrCurve)
    chiller.setReferenceCOP(6.1)
    chiller.setCondenserType('WaterCooled')
    chiller.setChillerFlowMode('ConstantFlow')
  elsif chillerType == 'AirCooled'
    # create clgCapFuncTempCurve
    clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
    clgCapFuncTempCurve.setCoefficient1Constant(1.05E+00)
    clgCapFuncTempCurve.setCoefficient2x(3.36E-02)
    clgCapFuncTempCurve.setCoefficient3xPOW2(2.15E-04)
    clgCapFuncTempCurve.setCoefficient4y(-5.18E-03)
    clgCapFuncTempCurve.setCoefficient5yPOW2(-4.42E-05)
    clgCapFuncTempCurve.setCoefficient6xTIMESY(-2.15E-04)
    clgCapFuncTempCurve.setMinimumValueofx(0)
    clgCapFuncTempCurve.setMaximumValueofx(20)
    clgCapFuncTempCurve.setMinimumValueofy(0)
    clgCapFuncTempCurve.setMaximumValueofy(50)
    # create eirFuncTempCurve
    eirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
    eirFuncTempCurve.setCoefficient1Constant(5.83E-01)
    eirFuncTempCurve.setCoefficient2x(-4.04E-03)
    eirFuncTempCurve.setCoefficient3xPOW2(4.68E-04)
    eirFuncTempCurve.setCoefficient4y(-2.24E-04)
    eirFuncTempCurve.setCoefficient5yPOW2(4.81E-04)
    eirFuncTempCurve.setCoefficient6xTIMESY(-6.82E-04)
    eirFuncTempCurve.setMinimumValueofx(0)
    eirFuncTempCurve.setMaximumValueofx(20)
    eirFuncTempCurve.setMinimumValueofy(0)
    eirFuncTempCurve.setMaximumValueofy(50)
    # create eirFuncPlrCurve
    eirFuncPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
    eirFuncPlrCurve.setCoefficient1Constant(4.19E-02)
    eirFuncPlrCurve.setCoefficient2x(6.25E-01)
    eirFuncPlrCurve.setCoefficient3xPOW2(3.23E-01)
    eirFuncPlrCurve.setMinimumValueofx(0)
    eirFuncPlrCurve.setMaximumValueofx(1.2)
    # construct chiller
    chiller = OpenStudio::Model::ChillerElectricEIR.new(model, clgCapFuncTempCurve, eirFuncTempCurve, eirFuncPlrCurve)
    chiller.setReferenceCOP(2.93)
    chiller.setCondenserType('AirCooled')
    chiller.setChillerFlowMode('ConstantFlow')
  end
  # create a scheduled setpoint manager
  setpoint_manager_scheduled = OpenStudio::Model::SetpointManagerScheduled.new(model, chilled_water_setpoint_schedule)
  # create a supply bypass pipe
  pipe_supply_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a supply outlet pipe
  pipe_supply_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand bypass pipe
  pipe_demand_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand inlet pipe
  pipe_demand_inlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand outlet pipe
  pipe_demand_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # connect components to plant loop
  # supply side components
  chilled_water_plant.addSupplyBranchForComponent(chiller)
  chilled_water_plant.addSupplyBranchForComponent(pipe_supply_bypass)
  pump.addToNode(chilled_water_plant.supplyInletNode)
  pipe_supply_outlet.addToNode(chilled_water_plant.supplyOutletNode)
  setpoint_manager_scheduled.addToNode(chilled_water_plant.supplyOutletNode)
  # demand side components (water coils are added as they are added to airloops and ZoneHVAC)
  chilled_water_plant.addDemandBranchForComponent(pipe_demand_bypass)
  pipe_demand_inlet.addToNode(chilled_water_plant.demandInletNode)
  pipe_demand_outlet.addToNode(chilled_water_plant.demandOutletNode)

  # pass back chilled water plant
  result = chilled_water_plant
  return result
end

.createCondenserLoop(model, runner, options) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 598

def self.createCondenserLoop(model, runner, options)
  condenserLoops = {}

  # check for water-cooled chillers
  waterCooledChiller = false
  model.getChillerElectricEIRs.each do |chiller|
    next if waterCooledChiller == true
    if chiller.condenserType == 'WaterCooled'
      waterCooledChiller = true
    end
  end
  # create condenser loop for water-cooled chillers
  if waterCooledChiller
    # create condenser loop for water-cooled chiller(s)
    condenser_loop = OpenStudio::Model::PlantLoop.new(model)
    condenser_loop.setName('AEDG Condenser Loop')
    condenser_loop.setMaximumLoopTemperature(80)
    condenser_loop.setMinimumLoopTemperature(5)
    loop_sizing = condenser_loop.sizingPlant
    loop_sizing.setLoopType('Condenser')
    loop_sizing.setDesignLoopExitTemperature(29.4)
    loop_sizing.setLoopDesignTemperatureDifference(5.6)
    # create a pump
    pump = OpenStudio::Model::PumpVariableSpeed.new(model)
    pump.setRatedPumpHead(134508) # Pa
    pump.setMotorEfficiency(0.9)
    pump.setCoefficient1ofthePartLoadPerformanceCurve(0)
    pump.setCoefficient2ofthePartLoadPerformanceCurve(0.0216)
    pump.setCoefficient3ofthePartLoadPerformanceCurve(-0.0325)
    pump.setCoefficient4ofthePartLoadPerformanceCurve(1.0095)
    # create a cooling tower
    tower = OpenStudio::Model::CoolingTowerVariableSpeed.new(model)
    # create a supply bypass pipe
    pipe_supply_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a supply outlet pipe
    pipe_supply_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand bypass pipe
    pipe_demand_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand inlet pipe
    pipe_demand_inlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand outlet pipe
    pipe_demand_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a setpoint manager
    setpoint_manager_follow_oa = OpenStudio::Model::SetpointManagerFollowOutdoorAirTemperature.new(model)
    setpoint_manager_follow_oa.setOffsetTemperatureDifference(0)
    setpoint_manager_follow_oa.setMaximumSetpointTemperature(80)
    setpoint_manager_follow_oa.setMinimumSetpointTemperature(5)
    # connect components to plant loop
    # supply side components
    condenser_loop.addSupplyBranchForComponent(tower)
    condenser_loop.addSupplyBranchForComponent(pipe_supply_bypass)
    pump.addToNode(condenser_loop.supplyInletNode)
    pipe_supply_outlet.addToNode(condenser_loop.supplyOutletNode)
    setpoint_manager_follow_oa.addToNode(condenser_loop.supplyOutletNode)
    # demand side components
    model.getChillerElectricEIRs.each do |chiller|
      if chiller.condenserType == 'WaterCooled' # works only if chillers not already connected to condenser loop(s)
        condenser_loop.addDemandBranchForComponent(chiller)
      end
    end
    condenser_loop.addDemandBranchForComponent(pipe_demand_bypass)
    pipe_demand_inlet.addToNode(condenser_loop.demandInletNode)
    pipe_demand_outlet.addToNode(condenser_loop.demandOutletNode)
    condenserLoops['condenser_loop'] = condenser_loop
  end
  if (options['zoneHVAC'] == 'WSHP') || (options['zoneHVAC'] == 'GSHP')
    # create condenser loop for heat pumps
    condenser_loop = OpenStudio::Model::PlantLoop.new(model)
    condenser_loop.setName('AEDG Heat Pump Loop')
    condenser_loop.setMaximumLoopTemperature(80)
    condenser_loop.setMinimumLoopTemperature(1)
    loop_sizing = condenser_loop.sizingPlant
    loop_sizing.setLoopType('Condenser')
    if options['zoneHVAC'] == 'GSHP'
      loop_sizing.setDesignLoopExitTemperature(21)
      loop_sizing.setLoopDesignTemperatureDifference(5)
    elsif options['zoneHVAC'] == 'WSHP'
      loop_sizing.setDesignLoopExitTemperature(30) # PNNL
      loop_sizing.setLoopDesignTemperatureDifference(20) # PNNL
    end
    # create a pump
    pump = OpenStudio::Model::PumpVariableSpeed.new(model)
    pump.setRatedPumpHead(134508) # Pa
    pump.setMotorEfficiency(0.9)
    # dfg - temp code ot hardsize pump. May need to be unique for primary vs. secondary
    if model.getBuilding.floorArea < 10000 # m^2
      pump.setRatedFlowRate(0.02) # m/s
    else
      pump.setRatedFlowRate(0.04) # m/s
    end
    runner.registerInfo("Hard sized pump flow rate to #{pump.ratedFlowRate}")
    pump.setCoefficient1ofthePartLoadPerformanceCurve(0)
    pump.setCoefficient2ofthePartLoadPerformanceCurve(0.0216)
    pump.setCoefficient3ofthePartLoadPerformanceCurve(-0.0325)
    pump.setCoefficient4ofthePartLoadPerformanceCurve(1.0095)

    # create a supply bypass pipe
    pipe_supply_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a supply outlet pipe
    pipe_supply_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand bypass pipe
    pipe_demand_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand inlet pipe
    pipe_demand_inlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create a demand outlet pipe
    pipe_demand_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
    # create setpoint managers
    setpoint_manager_scheduled_loop = OpenStudio::Model::SetpointManagerScheduled.new(model, options['loop_setpoint_schedule'])
    setpoint_manager_scheduled_cooling = OpenStudio::Model::SetpointManagerScheduled.new(model, options['cooling_setpoint_schedule'])
    setpoint_manager_scheduled_heating = OpenStudio::Model::SetpointManagerScheduled.new(model, options['heating_setpoint_schedule'])
    # connect components to plant loop
    # supply side components
    condenser_loop.addSupplyBranchForComponent(pipe_supply_bypass)
    pump.addToNode(condenser_loop.supplyInletNode)
    pipe_supply_outlet.addToNode(condenser_loop.supplyOutletNode)
    setpoint_manager_scheduled_loop.addToNode(condenser_loop.supplyOutletNode)
    # demand side components
    condenser_loop.addDemandBranchForComponent(pipe_demand_bypass)
    pipe_demand_inlet.addToNode(condenser_loop.demandInletNode)
    pipe_demand_outlet.addToNode(condenser_loop.demandOutletNode)
    # add additional components according to specific system type

    # add in ground source heat exchanger.
    if options['zoneHVAC'] == 'GSHP'
      # add district cooling and heating to supply side
      plant_comp_temp_source = OpenStudio::Model::PlantComponentTemperatureSource.new(model)
      plant_comp_temp_source.setName('Ground Source Heat Exchanger')
      plant_comp_temp_source.autosizeDesignVolumeFlowRate
      plant_comp_temp_source.setTemperatureSpecificationType('Scheduled')
      plant_comp_temp_source_schedule = OpenStudio::Model::ScheduleConstant.new(model) # ems will override this schedule value
      plant_comp_temp_source_schedule.setName('Ground HX Schedule')
      plant_comp_temp_source.setSourceTemperatureSchedule(plant_comp_temp_source_schedule)
      condenser_loop.addSupplyBranchForComponent(plant_comp_temp_source)

      # add another scheduled setpoint manager here
      setpoint_manager_plant_comp_temp_source_outlet = OpenStudio::Model::SetpointManagerScheduled.new(model, options['loop_setpoint_schedule'])
      if plant_comp_temp_source.outletModelObject.is_initialized
        if plant_comp_temp_source.outletModelObject.get.to_Node.is_initialized
          node = plant_comp_temp_source.outletModelObject.get.to_Node.get
          setpoint_manager_plant_comp_temp_source_outlet.addToNode(node)
        end
      end

    end
    condenserLoops['heat_pump_loop'] = condenser_loop
  end

  # pass back condenser loop(s)
  result = condenserLoops
  return result
end

.createHotWaterPlant(model, runner, hot_water_setpoint_schedule, loop_type) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 418

def self.createHotWaterPlant(model, runner, hot_water_setpoint_schedule, loop_type)
  hot_water_plant = OpenStudio::Model::PlantLoop.new(model)
  hot_water_plant.setName("AEDG #{loop_type} Loop")
  hot_water_plant.setMaximumLoopTemperature(100)
  hot_water_plant.setMinimumLoopTemperature(10)
  loop_sizing = hot_water_plant.sizingPlant
  loop_sizing.setLoopType('Heating')
  if loop_type == 'Hot Water'
    loop_sizing.setDesignLoopExitTemperature(82)
  elsif loop_type == 'Radiant Hot Water'
    loop_sizing.setDesignLoopExitTemperature(60) # ML follows convention of sizing temp being larger than supplu temp
  end
  loop_sizing.setLoopDesignTemperatureDifference(11)
  # create a pump
  pump = OpenStudio::Model::PumpVariableSpeed.new(model)
  pump.setRatedPumpHead(119563) # Pa
  pump.setMotorEfficiency(0.9)
  pump.setCoefficient1ofthePartLoadPerformanceCurve(0)
  pump.setCoefficient2ofthePartLoadPerformanceCurve(0.0216)
  pump.setCoefficient3ofthePartLoadPerformanceCurve(-0.0325)
  pump.setCoefficient4ofthePartLoadPerformanceCurve(1.0095)
  # create a boiler
  boiler = OpenStudio::Model::BoilerHotWater.new(model)
  boiler.setNominalThermalEfficiency(0.9)
  # create a scheduled setpoint manager
  setpoint_manager_scheduled = OpenStudio::Model::SetpointManagerScheduled.new(model, hot_water_setpoint_schedule)
  # create a supply bypass pipe
  pipe_supply_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a supply outlet pipe
  pipe_supply_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand bypass pipe
  pipe_demand_bypass = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand inlet pipe
  pipe_demand_inlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # create a demand outlet pipe
  pipe_demand_outlet = OpenStudio::Model::PipeAdiabatic.new(model)
  # connect components to plant loop
  # supply side components
  hot_water_plant.addSupplyBranchForComponent(boiler)
  hot_water_plant.addSupplyBranchForComponent(pipe_supply_bypass)
  pump.addToNode(hot_water_plant.supplyInletNode)
  pipe_supply_outlet.addToNode(hot_water_plant.supplyOutletNode)
  setpoint_manager_scheduled.addToNode(hot_water_plant.supplyOutletNode)
  # demand side components (water coils are added as they are added to airloops and zoneHVAC)
  hot_water_plant.addDemandBranchForComponent(pipe_demand_bypass)
  pipe_demand_inlet.addToNode(hot_water_plant.demandInletNode)
  pipe_demand_outlet.addToNode(hot_water_plant.demandOutletNode)

  # pass back hot water plant
  result = hot_water_plant
  return result
end

.createPrimaryAirLoops(model, runner, options) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 1068

def self.createPrimaryAirLoops(model, runner, options)
  primary_airloops = []
  # create primary airloop for each story
  assignedThermalZones = []
  model.getBuildingStorys.sort.each do |building_story|
    # ML stories need to be reordered from the ground up
    thermalZonesToAdd = []
    building_story.spaces.each do |space|
      # make sure spaces are assigned to thermal zones
      # otherwise might want to send a warning
      if space.thermalZone.is_initialized
        thermal_zone = space.thermalZone.get
        # grab primary zones
        if options['zonesPrimary'].include? thermal_zone
          # make sure zone was not already assigned to another air loop
          unless assignedThermalZones.include? thermal_zone
            # make sure thermal zones are not duplicated (spaces can share thermal zones)
            unless thermalZonesToAdd.include? thermal_zone
              thermalZonesToAdd << thermal_zone
            end
          end
        end
      end
    end
    # make sure thermal zones don't get added to more than one air loop
    assignedThermalZones << thermalZonesToAdd

    # create new air loop if story contains primary zones
    unless thermalZonesToAdd.empty?
      airloop_primary = OpenStudio::Model::AirLoopHVAC.new(model)
      airloop_primary.setName("AEDG Air Loop HVAC #{building_story.name}")
      # modify system sizing properties
      sizing_system = airloop_primary.sizingSystem
      # set central heating and cooling temperatures for sizing
      sizing_system.setCentralCoolingDesignSupplyAirTemperature(12.8)
      sizing_system.setCentralHeatingDesignSupplyAirTemperature(40) # ML OS default is 16.7
      # load specification
      sizing_system.setSystemOutdoorAirMethod('VentilationRateProcedure') # ML OS default is ZoneSum
      if options['primaryHVAC']['doas']
        sizing_system.setTypeofLoadtoSizeOn('VentilationRequirement') # DOAS
        sizing_system.setAllOutdoorAirinCooling(true) # DOAS
        sizing_system.setAllOutdoorAirinHeating(true) # DOAS
      else
        sizing_system.setTypeofLoadtoSizeOn('Sensible') # VAV
        sizing_system.setAllOutdoorAirinCooling(false) # VAV
        sizing_system.setAllOutdoorAirinHeating(false) # VAV
      end

      air_loop_comps = []
      # set availability schedule
      airloop_primary.setAvailabilitySchedule(options['hvac_schedule'])

      if options['primaryHVAC']['unitary'] == true
        # create unitary component and children objects, and add to array to put on air loop
        fan_pressure_rise = 1120.0
        demand_side_components = OsLib_HVAC_zedg_gshp.createAirLoopHVACUnitarySystem(model, runner, options, fan_pressure_rise)
        demand_side_components.each do |component|
          air_loop_comps << component
        end
      else

        # create air loop fan
        if options['primaryHVAC']['fan'] == 'Variable'
          # create variable speed fan and set system sizing accordingly
          sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(0.3) # DCV
          # variable speed fan
          fan = OpenStudio::Model::FanVariableVolume.new(model, model.alwaysOnDiscreteSchedule)
          fan.setFanEfficiency(0.69)
          fan.setPressureRise(1125) # Pa
          fan.autosizeMaximumFlowRate
          fan.setFanPowerMinimumFlowFraction(0.6)
          fan.setMotorEfficiency(0.9)
          fan.setMotorInAirstreamFraction(1.0)
          air_loop_comps << fan
        else
          sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(1.0) # No DCV
          # constant speed fan
          fan = OpenStudio::Model::FanConstantVolume.new(model, model.alwaysOnDiscreteSchedule)
          fan.setFanEfficiency(0.6)
          fan.setPressureRise(500) # Pa
          fan.autosizeMaximumFlowRate
          fan.setMotorEfficiency(0.9)
          fan.setMotorInAirstreamFraction(1.0)
          air_loop_comps << fan
        end
        # create heating coil
        if options['primaryHVAC']['heat'] == 'Water'
          # water coil
          heating_coil = OpenStudio::Model::CoilHeatingWater.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << heating_coil
        else
          # gas coil
          heating_coil = OpenStudio::Model::CoilHeatingGas.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << heating_coil
        end
        # create cooling coil
        if options['primaryHVAC']['cool'] == 'Water'
          # water coil
          cooling_coil = OpenStudio::Model::CoilCoolingWater.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << cooling_coil
        elsif options['primaryHVAC']['cool'] == 'SingleDX'
          # single speed DX coil
          # create cooling coil
          # create clgCapFuncTempCurve
          clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgCapFuncTempCurve.setCoefficient1Constant(0.42415)
          clgCapFuncTempCurve.setCoefficient2x(0.04426)
          clgCapFuncTempCurve.setCoefficient3xPOW2(-0.00042)
          clgCapFuncTempCurve.setCoefficient4y(0.00333)
          clgCapFuncTempCurve.setCoefficient5yPOW2(-0.00008)
          clgCapFuncTempCurve.setCoefficient6xTIMESY(-0.00021)
          clgCapFuncTempCurve.setMinimumValueofx(17)
          clgCapFuncTempCurve.setMaximumValueofx(22)
          clgCapFuncTempCurve.setMinimumValueofy(13)
          clgCapFuncTempCurve.setMaximumValueofy(46)
          # create clgCapFuncFlowFracCurve
          clgCapFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgCapFuncFlowFracCurve.setCoefficient1Constant(0.77136)
          clgCapFuncFlowFracCurve.setCoefficient2x(0.34053)
          clgCapFuncFlowFracCurve.setCoefficient3xPOW2(-0.11088)
          clgCapFuncFlowFracCurve.setMinimumValueofx(0.75918)
          clgCapFuncFlowFracCurve.setMaximumValueofx(1.13877)
          # create clgEirFuncTempCurve
          clgEirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgEirFuncTempCurve.setCoefficient1Constant(1.23649)
          clgEirFuncTempCurve.setCoefficient2x(-0.02431)
          clgEirFuncTempCurve.setCoefficient3xPOW2(0.00057)
          clgEirFuncTempCurve.setCoefficient4y(-0.01434)
          clgEirFuncTempCurve.setCoefficient5yPOW2(0.00063)
          clgEirFuncTempCurve.setCoefficient6xTIMESY(-0.00038)
          clgEirFuncTempCurve.setMinimumValueofx(17)
          clgEirFuncTempCurve.setMaximumValueofx(22)
          clgEirFuncTempCurve.setMinimumValueofy(13)
          clgEirFuncTempCurve.setMaximumValueofy(46)
          # create clgEirFuncFlowFracCurve
          clgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgEirFuncFlowFracCurve.setCoefficient1Constant(1.20550)
          clgEirFuncFlowFracCurve.setCoefficient2x(-0.32953)
          clgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.12308)
          clgEirFuncFlowFracCurve.setMinimumValueofx(0.75918)
          clgEirFuncFlowFracCurve.setMaximumValueofx(1.13877)
          # create clgPlrCurve
          clgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgPlrCurve.setCoefficient1Constant(0.77100)
          clgPlrCurve.setCoefficient2x(0.22900)
          clgPlrCurve.setCoefficient3xPOW2(0.0)
          clgPlrCurve.setMinimumValueofx(0.0)
          clgPlrCurve.setMaximumValueofx(1.0)
          # cooling coil
          cooling_coil = OpenStudio::Model::CoilCoolingDXSingleSpeed.new(model,
                                                                         model.alwaysOnDiscreteSchedule,
                                                                         clgCapFuncTempCurve,
                                                                         clgCapFuncFlowFracCurve,
                                                                         clgEirFuncTempCurve,
                                                                         clgEirFuncFlowFracCurve,
                                                                         clgPlrCurve)
          cooling_coil.setRatedCOP(OpenStudio::OptionalDouble.new(4))
          air_loop_comps << cooling_coil
        else
          # two speed DX coil (PNNL curves)
          # create cooling coil
          # create clgCapFuncTempCurve
          clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgCapFuncTempCurve.setCoefficient1Constant(1.39072)
          clgCapFuncTempCurve.setCoefficient2x(-0.0529058)
          clgCapFuncTempCurve.setCoefficient3xPOW2(0.0018423)
          clgCapFuncTempCurve.setCoefficient4y(0.00058267)
          clgCapFuncTempCurve.setCoefficient5yPOW2(-0.000186814)
          clgCapFuncTempCurve.setCoefficient6xTIMESY(0.000265159)
          clgCapFuncTempCurve.setMinimumValueofx(16.5556)
          clgCapFuncTempCurve.setMaximumValueofx(22.1111)
          clgCapFuncTempCurve.setMinimumValueofy(23.7778)
          clgCapFuncTempCurve.setMaximumValueofy(47.66)
          # create clgCapFuncFlowFracCurve
          clgCapFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgCapFuncFlowFracCurve.setCoefficient1Constant(0.718954)
          clgCapFuncFlowFracCurve.setCoefficient2x(0.435436)
          clgCapFuncFlowFracCurve.setCoefficient3xPOW2(-0.154193)
          clgCapFuncFlowFracCurve.setMinimumValueofx(0.75)
          clgCapFuncFlowFracCurve.setMaximumValueofx(1.25)
          # create clgEirFuncTempCurve
          clgEirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgEirFuncTempCurve.setCoefficient1Constant(-0.536161)
          clgEirFuncTempCurve.setCoefficient2x(0.105138)
          clgEirFuncTempCurve.setCoefficient3xPOW2(-0.00172659)
          clgEirFuncTempCurve.setCoefficient4y(0.0149848)
          clgEirFuncTempCurve.setCoefficient5yPOW2(0.000659948)
          clgEirFuncTempCurve.setCoefficient6xTIMESY(-0.0017385)
          clgEirFuncTempCurve.setMinimumValueofx(16.5556)
          clgEirFuncTempCurve.setMaximumValueofx(22.1111)
          clgEirFuncTempCurve.setMinimumValueofy(23.7778)
          clgEirFuncTempCurve.setMaximumValueofy(47.66)
          # create clgEirFuncFlowFracCurve
          clgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgEirFuncFlowFracCurve.setCoefficient1Constant(1.19525)
          clgEirFuncFlowFracCurve.setCoefficient2x(-0.306138)
          clgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.110973)
          clgEirFuncFlowFracCurve.setMinimumValueofx(0.75)
          clgEirFuncFlowFracCurve.setMaximumValueofx(1.25)
          # create clgPlrCurve
          clgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgPlrCurve.setCoefficient1Constant(0.77100)
          clgPlrCurve.setCoefficient2x(0.22900)
          clgPlrCurve.setCoefficient3xPOW2(0.0)
          clgPlrCurve.setMinimumValueofx(0.0)
          clgPlrCurve.setMaximumValueofx(1.0)
          # cooling coil
          cooling_coil = OpenStudio::Model::CoilCoolingDXTwoSpeed.new(model,
                                                                      model.alwaysOnDiscreteSchedule,
                                                                      clgCapFuncTempCurve,
                                                                      clgCapFuncFlowFracCurve,
                                                                      clgEirFuncTempCurve,
                                                                      clgEirFuncFlowFracCurve,
                                                                      clgPlrCurve,
                                                                      clgCapFuncTempCurve,
                                                                      clgEirFuncTempCurve)
          cooling_coil.setRatedHighSpeedCOP(4)
          cooling_coil.setRatedLowSpeedCOP(4)
          air_loop_comps << cooling_coil
        end

      end

      unless options['zoneHVAC'] == 'DualDuct'
        # create controller outdoor air
        controller_OA = OpenStudio::Model::ControllerOutdoorAir.new(model)
        controller_OA.autosizeMinimumOutdoorAirFlowRate
        controller_OA.autosizeMaximumOutdoorAirFlowRate
        # create ventilation schedules and assign to OA controller
        if options['primaryHVAC']['doas']
          controller_OA.setMinimumFractionofOutdoorAirSchedule(model.alwaysOnDiscreteSchedule)
          controller_OA.setMaximumFractionofOutdoorAirSchedule(model.alwaysOnDiscreteSchedule)
        else
          # multizone VAV that ventilates
          controller_OA.setMaximumFractionofOutdoorAirSchedule(options['ventilation_schedule'])
          controller_OA.setEconomizerControlType('DifferentialEnthalpy')
          # add night cycling (ML would people actually do this for a VAV system?))
          airloop_primary.setNightCycleControlType('CycleOnAny') # ML Does this work with variable speed fans?
        end
        controller_OA.setHeatRecoveryBypassControlType('BypassWhenOAFlowGreaterThanMinimum')
        # create outdoor air system
        system_OA = OpenStudio::Model::AirLoopHVACOutdoorAirSystem.new(model, controller_OA)
        air_loop_comps << system_OA
        # create ERV
        heat_exchanger = OpenStudio::Model::HeatExchangerAirToAirSensibleAndLatent.new(model)
        heat_exchanger.setAvailabilitySchedule(model.alwaysOnDiscreteSchedule)
        sensible_eff = 0.75
        latent_eff = 0.69
        heat_exchanger.setSensibleEffectivenessat100CoolingAirFlow(sensible_eff)
        heat_exchanger.setSensibleEffectivenessat100HeatingAirFlow(sensible_eff)
        heat_exchanger.setSensibleEffectivenessat75CoolingAirFlow(sensible_eff)
        heat_exchanger.setSensibleEffectivenessat75HeatingAirFlow(sensible_eff)
        heat_exchanger.setLatentEffectivenessat100CoolingAirFlow(latent_eff)
        heat_exchanger.setLatentEffectivenessat100HeatingAirFlow(latent_eff)
        heat_exchanger.setLatentEffectivenessat75CoolingAirFlow(latent_eff)
        heat_exchanger.setLatentEffectivenessat75HeatingAirFlow(latent_eff)
        heat_exchanger.setFrostControlType('ExhaustOnly')
        heat_exchanger.setThresholdTemperature(-12.2)
        heat_exchanger.setInitialDefrostTimeFraction(0.1670)
        heat_exchanger.setRateofDefrostTimeFractionIncrease(0.0240)
        heat_exchanger.setEconomizerLockout(false)
      end
      # create scheduled setpoint manager for airloop
      if options['primaryHVAC']['doas'] || (options['zoneHVAC'] == 'DualDuct')
        # DOAS or VAV for cooling and not ventilation
        setpoint_manager = OpenStudio::Model::SetpointManagerScheduled.new(model, options['primary_sat_schedule'])
      else
        # VAV for cooling and ventilation
        setpoint_manager = OpenStudio::Model::SetpointManagerOutdoorAirReset.new(model)
        setpoint_manager.setSetpointatOutdoorLowTemperature(15.6)
        setpoint_manager.setOutdoorLowTemperature(14.4)
        setpoint_manager.setSetpointatOutdoorHighTemperature(12.8)
        setpoint_manager.setOutdoorHighTemperature(21.1)
      end
      # connect components to airloop
      # find the supply inlet node of the airloop
      airloop_supply_inlet = airloop_primary.supplyInletNode
      # add the components to the airloop
      air_loop_comps.each do |comp|
        comp.addToNode(airloop_supply_inlet)
        if comp.to_CoilHeatingWater.is_initialized
          options['hot_water_plant'].addDemandBranchForComponent(comp)
          comp.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        elsif comp.to_CoilCoolingWater.is_initialized
          options['chilled_water_plant'].addDemandBranchForComponent(comp)
          comp.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        end
      end
      # add erv to outdoor air system
      unless options['zoneHVAC'] == 'DualDuct'
        heat_exchanger.addToNode(system_OA.outboardOANode.get)
      end
      # add setpoint manager to supply equipment outlet node
      setpoint_manager.addToNode(airloop_primary.supplyOutletNode)
      # add thermal zones to airloop
      thermalZonesToAdd.each do |zone|
        # make an air terminal for the zone
        if options['primaryHVAC']['fan'] == 'Variable'
          air_terminal = OpenStudio::Model::AirTerminalSingleDuctVAVNoReheat.new(model, model.alwaysOnDiscreteSchedule)
          air_terminal.setControlForOutdoorAir(true)
          air_terminal.setConstantMinimumAirFlowFraction(0)
        else
          air_terminal = OpenStudio::Model::AirTerminalSingleDuctUncontrolled.new(model, model.alwaysOnDiscreteSchedule)
        end
        # attach new terminal to the zone and to the airloop
        airloop_primary.addBranchForZone(zone, air_terminal.to_StraightComponent)
      end
      primary_airloops << airloop_primary
    end
  end

  # pass back primary airloops
  result = primary_airloops
  return result
end

.createPrimaryZoneEquipment(model, runner, options) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 1647

def self.createPrimaryZoneEquipment(model, runner, options)
  model.getThermalZones.each do |zone|
    if options['zonesPrimary'].include? zone
      if options['zoneHVAC'] == 'FanCoil'
        # create fan coil
        # create fan
        fan = OpenStudio::Model::FanOnOff.new(model, model.alwaysOnDiscreteSchedule)
        fan.setFanEfficiency(0.5)
        fan.setPressureRise(75) # Pa
        fan.autosizeMaximumFlowRate
        fan.setMotorEfficiency(0.9)
        fan.setMotorInAirstreamFraction(1.0)
        # create cooling coil and connect to chilled water plant
        cooling_coil = OpenStudio::Model::CoilCoolingWater.new(model, model.alwaysOnDiscreteSchedule)
        options['chilled_water_plant'].addDemandBranchForComponent(cooling_coil)
        cooling_coil.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        # create heating coil and connect to hot water plant
        heating_coil = OpenStudio::Model::CoilHeatingWater.new(model, model.alwaysOnDiscreteSchedule)
        options['hot_water_plant'].addDemandBranchForComponent(heating_coil)
        heating_coil.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        # construct fan coil
        fan_coil = OpenStudio::Model::ZoneHVACFourPipeFanCoil.new(model,
                                                                  model.alwaysOnDiscreteSchedule,
                                                                  fan,
                                                                  cooling_coil,
                                                                  heating_coil)
        fan_coil.setMaximumOutdoorAirFlowRate(0)
        # add fan coil to thermal zone
        fan_coil.addToThermalZone(zone)
      elsif (options['zoneHVAC'] == 'WSHP') || (options['zoneHVAC'] == 'GSHP')
        # create water source heat pump and attach to heat pump loop
        # create fan
        fan = OpenStudio::Model::FanOnOff.new(model, model.alwaysOnDiscreteSchedule)
        fan.setFanEfficiency(0.6)
        fan.setPressureRise(299) # Pa
        fan.autosizeMaximumFlowRate
        fan.setMotorEfficiency(0.85)
        fan.setMotorInAirstreamFraction(1.0)
        # create cooling coil and connect to heat pump loop
        cooling_coil = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFit.new(model)
        cooling_coil.setNominalSpeedLevel(2)
        speedData1 = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
        speedData2 = OpenStudio::Model::CoilCoolingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
        speedData1.setReferenceUnitGrossRatedCoolingCOP(5.28)
        speedData2.setReferenceUnitGrossRatedCoolingCOP(5.28)
        cooling_coil.addSpeed(speedData1)
        cooling_coil.addSpeed(speedData2)
        options['heat_pump_loop'].addDemandBranchForComponent(cooling_coil)
        # create heating coil and connect to heat pump loop
        heating_coil = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFit .new(model)
        heating_coil.setNominalSpeedLevel(2)
        speedData1 = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
        speedData2 = OpenStudio::Model::CoilHeatingWaterToAirHeatPumpVariableSpeedEquationFitSpeedData.new(model)
        speedData1.setReferenceUnitGrossRatedHeatingCOP(3.7)
        speedData2.setReferenceUnitGrossRatedHeatingCOP(3.7)
        heating_coil.addSpeed(speedData1)
        heating_coil.addSpeed(speedData2)
        options['heat_pump_loop'].addDemandBranchForComponent(heating_coil)
        # create supplemental heating coil
        supplemental_heating_coil = OpenStudio::Model::CoilHeatingElectric.new(model, model.alwaysOnDiscreteSchedule)
        # construct heat pump
        heat_pump = OpenStudio::Model::ZoneHVACWaterToAirHeatPump.new(model,
                                                                      model.alwaysOnDiscreteSchedule,
                                                                      fan,
                                                                      heating_coil,
                                                                      cooling_coil,
                                                                      supplemental_heating_coil)
        heat_pump.setSupplyAirFlowRateWhenNoCoolingorHeatingisNeeded(OpenStudio::OptionalDouble.new(0))
        heat_pump.setOutdoorAirFlowRateDuringCoolingOperation(OpenStudio::OptionalDouble.new(0))
        heat_pump.setOutdoorAirFlowRateDuringHeatingOperation(OpenStudio::OptionalDouble.new(0))
        heat_pump.setOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded(OpenStudio::OptionalDouble.new(0))
        # add heat pump to thermal zone
        heat_pump.addToThermalZone(zone)
      elsif options['zoneHVAC'] == 'ASHP'
        # create air source heat pump
        # create fan
        fan = OpenStudio::Model::FanOnOff.new(model, model.alwaysOnDiscreteSchedule)
        fan.setFanEfficiency(0.5)
        fan.setPressureRise(75) # Pa
        fan.autosizeMaximumFlowRate
        fan.setMotorEfficiency(0.9)
        fan.setMotorInAirstreamFraction(1.0)
        # create heating coil
        # create htgCapFuncTempCurve
        htgCapFuncTempCurve = OpenStudio::Model::CurveCubic.new(model)
        htgCapFuncTempCurve.setCoefficient1Constant(0.758746)
        htgCapFuncTempCurve.setCoefficient2x(0.027626)
        htgCapFuncTempCurve.setCoefficient3xPOW2(0.000148716)
        htgCapFuncTempCurve.setCoefficient4xPOW3(0.0000034992)
        htgCapFuncTempCurve.setMinimumValueofx(-20)
        htgCapFuncTempCurve.setMaximumValueofx(20)
        # create htgCapFuncFlowFracCurve
        htgCapFuncFlowFracCurve = OpenStudio::Model::CurveCubic.new(model)
        htgCapFuncFlowFracCurve.setCoefficient1Constant(0.84)
        htgCapFuncFlowFracCurve.setCoefficient2x(0.16)
        htgCapFuncFlowFracCurve.setCoefficient3xPOW2(0)
        htgCapFuncFlowFracCurve.setCoefficient4xPOW3(0)
        htgCapFuncFlowFracCurve.setMinimumValueofx(0.5)
        htgCapFuncFlowFracCurve.setMaximumValueofx(1.5)
        # create htgEirFuncTempCurve
        htgEirFuncTempCurve = OpenStudio::Model::CurveCubic.new(model)
        htgEirFuncTempCurve.setCoefficient1Constant(1.19248)
        htgEirFuncTempCurve.setCoefficient2x(-0.0300438)
        htgEirFuncTempCurve.setCoefficient3xPOW2(0.00103745)
        htgEirFuncTempCurve.setCoefficient4xPOW3(-0.000023328)
        htgEirFuncTempCurve.setMinimumValueofx(-20)
        htgEirFuncTempCurve.setMaximumValueofx(20)
        # create htgEirFuncFlowFracCurve
        htgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
        htgEirFuncFlowFracCurve.setCoefficient1Constant(1.3824)
        htgEirFuncFlowFracCurve.setCoefficient2x(-0.4336)
        htgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.0512)
        htgEirFuncFlowFracCurve.setMinimumValueofx(0)
        htgEirFuncFlowFracCurve.setMaximumValueofx(1)
        # create htgPlrCurve
        htgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
        htgPlrCurve.setCoefficient1Constant(0.75)
        htgPlrCurve.setCoefficient2x(0.25)
        htgPlrCurve.setCoefficient3xPOW2(0.0)
        htgPlrCurve.setMinimumValueofx(0.0)
        htgPlrCurve.setMaximumValueofx(1.0)
        # heating coil
        heating_coil = OpenStudio::Model::CoilHeatingDXSingleSpeed.new(model,
                                                                       model.alwaysOnDiscreteSchedule,
                                                                       htgCapFuncTempCurve,
                                                                       htgCapFuncFlowFracCurve,
                                                                       htgEirFuncTempCurve,
                                                                       htgEirFuncFlowFracCurve,
                                                                       htgPlrCurve)
        heating_coil.setRatedCOP(3.4)
        heating_coil.setCrankcaseHeaterCapacity(200)
        heating_coil.setMaximumOutdoorDryBulbTemperatureforCrankcaseHeaterOperation(8)
        heating_coil.autosizeResistiveDefrostHeaterCapacity
        # create cooling coil
        # create clgCapFuncTempCurve
        clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
        clgCapFuncTempCurve.setCoefficient1Constant(0.942587793)
        clgCapFuncTempCurve.setCoefficient2x(0.009543347)
        clgCapFuncTempCurve.setCoefficient3xPOW2(0.0018423)
        clgCapFuncTempCurve.setCoefficient4y(-0.011042676)
        clgCapFuncTempCurve.setCoefficient5yPOW2(0.000005249)
        clgCapFuncTempCurve.setCoefficient6xTIMESY(-0.000009720)
        clgCapFuncTempCurve.setMinimumValueofx(17)
        clgCapFuncTempCurve.setMaximumValueofx(22)
        clgCapFuncTempCurve.setMinimumValueofy(13)
        clgCapFuncTempCurve.setMaximumValueofy(46)
        # create clgCapFuncFlowFracCurve
        clgCapFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
        clgCapFuncFlowFracCurve.setCoefficient1Constant(0.718954)
        clgCapFuncFlowFracCurve.setCoefficient2x(0.435436)
        clgCapFuncFlowFracCurve.setCoefficient3xPOW2(-0.154193)
        clgCapFuncFlowFracCurve.setMinimumValueofx(0.75)
        clgCapFuncFlowFracCurve.setMaximumValueofx(1.25)
        # create clgEirFuncTempCurve
        clgEirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
        clgEirFuncTempCurve.setCoefficient1Constant(0.342414409)
        clgEirFuncTempCurve.setCoefficient2x(0.034885008)
        clgEirFuncTempCurve.setCoefficient3xPOW2(-0.000623700)
        clgEirFuncTempCurve.setCoefficient4y(0.004977216)
        clgEirFuncTempCurve.setCoefficient5yPOW2(0.000437951)
        clgEirFuncTempCurve.setCoefficient6xTIMESY(-0.000728028)
        clgEirFuncTempCurve.setMinimumValueofx(17)
        clgEirFuncTempCurve.setMaximumValueofx(22)
        clgEirFuncTempCurve.setMinimumValueofy(13)
        clgEirFuncTempCurve.setMaximumValueofy(46)
        # create clgEirFuncFlowFracCurve
        clgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
        clgEirFuncFlowFracCurve.setCoefficient1Constant(1.1552)
        clgEirFuncFlowFracCurve.setCoefficient2x(-0.1808)
        clgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.0256)
        clgEirFuncFlowFracCurve.setMinimumValueofx(0.5)
        clgEirFuncFlowFracCurve.setMaximumValueofx(1.5)
        # create clgPlrCurve
        clgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
        clgPlrCurve.setCoefficient1Constant(0.75)
        clgPlrCurve.setCoefficient2x(0.25)
        clgPlrCurve.setCoefficient3xPOW2(0.0)
        clgPlrCurve.setMinimumValueofx(0.0)
        clgPlrCurve.setMaximumValueofx(1.0)
        # cooling coil
        cooling_coil = OpenStudio::Model::CoilCoolingDXSingleSpeed.new(model,
                                                                       model.alwaysOnDiscreteSchedule,
                                                                       clgCapFuncTempCurve,
                                                                       clgCapFuncFlowFracCurve,
                                                                       clgEirFuncTempCurve,
                                                                       clgEirFuncFlowFracCurve,
                                                                       clgPlrCurve)
        cooling_coil.setRatedCOP(OpenStudio::OptionalDouble.new(4))
        # create supplemental heating coil
        supplemental_heating_coil = OpenStudio::Model::CoilHeatingElectric.new(model, model.alwaysOnDiscreteSchedule)
        # construct heat pump
        heat_pump = OpenStudio::Model::ZoneHVACPackagedTerminalHeatPump.new(model,
                                                                            model.alwaysOnDiscreteSchedule,
                                                                            fan,
                                                                            heating_coil,
                                                                            cooling_coil,
                                                                            supplemental_heating_coil)
        heat_pump.setSupplyAirFlowRateWhenNoCoolingorHeatingisNeeded(0)
        heat_pump.setOutdoorAirFlowRateDuringCoolingOperation(0)
        heat_pump.setOutdoorAirFlowRateDuringHeatingOperation(0)
        heat_pump.setOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded(0)
        # add heat pump to thermal zone
        heat_pump.addToThermalZone(zone)
      elsif options['zoneHVAC'] == 'Baseboard'
        # create baseboard heater add add to thermal zone and hot water loop
        baseboard_coil = OpenStudio::Model::CoilHeatingWaterBaseboard.new(model)
        baseboard_heater = OpenStudio::Model::ZoneHVACBaseboardConvectiveWater.new(model, model.alwaysOnDiscreteSchedule, baseboard_coil)
        baseboard_heater.addToThermalZone(zone)
        options['hot_water_plant'].addDemandBranchForComponent(baseboard_coil)
      elsif options['zoneHVAC'] == 'Radiant'
        # create low temperature radiant object and add to thermal zone and radiant plant loops
        # create hot water coil and attach to radiant hot water loop
        heating_coil = OpenStudio::Model::CoilHeatingLowTempRadiantVarFlow.new(model, options['mean_radiant_heating_setpoint_schedule'])
        options['radiant_hot_water_plant'].addDemandBranchForComponent(heating_coil)
        # create chilled water coil and attach to radiant chilled water loop
        cooling_coil = OpenStudio::Model::CoilCoolingLowTempRadiantVarFlow.new(model, options['mean_radiant_cooling_setpoint_schedule'])
        options['radiant_chilled_water_plant'].addDemandBranchForComponent(cooling_coil)
        low_temp_radiant = OpenStudio::Model::ZoneHVACLowTempRadiantVarFlow.new(model,
                                                                                model.alwaysOnDiscreteSchedule,
                                                                                heating_coil,
                                                                                cooling_coil)
        low_temp_radiant.setRadiantSurfaceType('Floors')
        low_temp_radiant.setHydronicTubingInsideDiameter(0.012)
        low_temp_radiant.setTemperatureControlType('MeanRadiantTemperature')
        low_temp_radiant.addToThermalZone(zone)
        # create radiant floor construction and substitute for existing floor (interior or exterior) constructions
        # create materials for radiant floor construction
        layers = []
        # ignore layer below insulation, which will depend on boundary condition
        layers << rigid_insulation_1in = OpenStudio::Model::StandardOpaqueMaterial.new(model, 'Rough', 0.0254, 0.02, 56.06, 1210)
        layers << concrete_2in = OpenStudio::Model::StandardOpaqueMaterial.new(model, 'MediumRough', 0.0508, 2.31, 2322, 832)
        layers << concrete_2in
        # create radiant floor construction from materials
        radiant_floor = OpenStudio::Model::ConstructionWithInternalSource.new(layers)
        radiant_floor.setSourcePresentAfterLayerNumber(2)
        radiant_floor.setSourcePresentAfterLayerNumber(2)
        # assign radiant construction to zone floor
        zone.spaces.each do |space|
          space.surfaces.each do |surface|
            if surface.surfaceType == 'Floor'
              surface.setConstruction(radiant_floor)
            end
          end
        end
      elsif options['zoneHVAC'] == 'DualDuct'
        # create baseboard heater add add to thermal zone and hot water loop
        baseboard_coil = OpenStudio::Model::CoilHeatingWaterBaseboard.new(model)
        baseboard_heater = OpenStudio::Model::ZoneHVACBaseboardConvectiveWater.new(model, model.alwaysOnDiscreteSchedule, baseboard_coil)
        baseboard_heater.addToThermalZone(zone)
        options['hot_water_plant'].addDemandBranchForComponent(baseboard_coil)
        # create fan coil (to mimic functionality of DOAS)
        # variable speed fan
        fan = OpenStudio::Model::FanVariableVolume.new(model, model.alwaysOnDiscreteSchedule)
        fan.setFanEfficiency(0.69)
        fan.setPressureRise(75) # Pa #ML This number is a guess; zone equipment pretending to be a DOAS
        fan.autosizeMaximumFlowRate
        fan.setFanPowerMinimumFlowFraction(0.6)
        fan.setMotorEfficiency(0.9)
        fan.setMotorInAirstreamFraction(1.0)
        # create chilled water coil and attach to chilled water loop
        cooling_coil = OpenStudio::Model::CoilCoolingWater.new(model, model.alwaysOnDiscreteSchedule)
        options['chilled_water_plant'].addDemandBranchForComponent(cooling_coil)
        cooling_coil.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        # create hot water coil and attach to hot water loop
        heating_coil = OpenStudio::Model::CoilHeatingWater.new(model, model.alwaysOnDiscreteSchedule)
        options['hot_water_plant'].addDemandBranchForComponent(heating_coil)
        heating_coil.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        # construct fan coil (DOAS) and attach to thermal zone
        fan_coil_doas = OpenStudio::Model::ZoneHVACFourPipeFanCoil.new(model,
                                                                       options['ventilation_schedule'],
                                                                       fan,
                                                                       cooling_coil,
                                                                       heating_coil)
        fan_coil_doas.setCapacityControlMethod('VariableFanVariableFlow')
        fan_coil_doas.addToThermalZone(zone)
      end
    end
  end
end

.createSecondaryAirLoops(model, runner, options) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 1384

def self.createSecondaryAirLoops(model, runner, options)
  secondary_airloops = []
  # create secondary airloop for each secondary zone
  model.getThermalZones.each do |zone|
    if options['zonesSecondary'].include? zone
      # create secondary airloop
      airloop_secondary = OpenStudio::Model::AirLoopHVAC.new(model)
      airloop_secondary.setName("AEDG Air Loop HVAC #{zone.name}")
      # modify system sizing properties
      sizing_system = airloop_secondary.sizingSystem
      # set central heating and cooling temperatures for sizing
      sizing_system.setCentralCoolingDesignSupplyAirTemperature(12.8)
      sizing_system.setCentralHeatingDesignSupplyAirTemperature(40) # ML OS default is 16.7
      # load specification
      sizing_system.setSystemOutdoorAirMethod('VentilationRateProcedure') # ML OS default is ZoneSum
      sizing_system.setTypeofLoadtoSizeOn('Sensible') # PSZ
      sizing_system.setAllOutdoorAirinCooling(false) # PSZ
      sizing_system.setAllOutdoorAirinHeating(false) # PSZ
      sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(1.0) # Constant volume fan
      air_loop_comps = []
      # set availability schedule (HVAC operation schedule)
      airloop_secondary.setAvailabilitySchedule(options['hvac_schedule'])

      if options['secondaryHVAC']['unitary'] == true
        # create unitary component and children objects, and add to array to put on air loop
        fan_pressure_rise = 498
        demand_side_components = OsLib_HVAC_zedg_gshp.createAirLoopHVACUnitarySystem(model, runner, options, fan_pressure_rise)
        demand_side_components.each do |component|
          air_loop_comps << component
        end

      else

        if options['secondaryHVAC']['fan'] == 'Variable'
          # create variable speed fan and set system sizing accordingly
          sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(0.3) # DCV
          # variable speed fan
          fan = OpenStudio::Model::FanVariableVolume.new(model, model.alwaysOnDiscreteSchedule)
          fan.setFanEfficiency(0.69)
          fan.setPressureRise(1125) # Pa
          fan.autosizeMaximumFlowRate
          fan.setFanPowerMinimumFlowFraction(0.6)
          fan.setMotorEfficiency(0.9)
          fan.setMotorInAirstreamFraction(1.0)
          air_loop_comps << fan
        else
          sizing_system.setCentralHeatingMaximumSystemAirFlowRatio(1.0) # No DCV
          # constant speed fan
          fan = OpenStudio::Model::FanConstantVolume.new(model, model.alwaysOnDiscreteSchedule)
          fan.setFanEfficiency(0.6)
          fan.setPressureRise(500) # Pa
          fan.autosizeMaximumFlowRate
          fan.setMotorEfficiency(0.9)
          fan.setMotorInAirstreamFraction(1.0)
          air_loop_comps << fan
        end
        # create cooling coil
        if options['secondaryHVAC']['cool'] == 'Water'
          # water coil
          cooling_coil = OpenStudio::Model::CoilCoolingWater.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << cooling_coil
        elsif options['secondaryHVAC']['cool'] == 'SingleDX'
          # single speed DX coil
          # create cooling coil
          # create clgCapFuncTempCurve
          clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgCapFuncTempCurve.setCoefficient1Constant(0.42415)
          clgCapFuncTempCurve.setCoefficient2x(0.04426)
          clgCapFuncTempCurve.setCoefficient3xPOW2(-0.00042)
          clgCapFuncTempCurve.setCoefficient4y(0.00333)
          clgCapFuncTempCurve.setCoefficient5yPOW2(-0.00008)
          clgCapFuncTempCurve.setCoefficient6xTIMESY(-0.00021)
          clgCapFuncTempCurve.setMinimumValueofx(17)
          clgCapFuncTempCurve.setMaximumValueofx(22)
          clgCapFuncTempCurve.setMinimumValueofy(13)
          clgCapFuncTempCurve.setMaximumValueofy(46)
          # create clgCapFuncFlowFracCurve
          clgCapFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgCapFuncFlowFracCurve.setCoefficient1Constant(0.77136)
          clgCapFuncFlowFracCurve.setCoefficient2x(0.34053)
          clgCapFuncFlowFracCurve.setCoefficient3xPOW2(-0.11088)
          clgCapFuncFlowFracCurve.setMinimumValueofx(0.75918)
          clgCapFuncFlowFracCurve.setMaximumValueofx(1.13877)
          # create clgEirFuncTempCurve
          clgEirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgEirFuncTempCurve.setCoefficient1Constant(1.23649)
          clgEirFuncTempCurve.setCoefficient2x(-0.02431)
          clgEirFuncTempCurve.setCoefficient3xPOW2(0.00057)
          clgEirFuncTempCurve.setCoefficient4y(-0.01434)
          clgEirFuncTempCurve.setCoefficient5yPOW2(0.00063)
          clgEirFuncTempCurve.setCoefficient6xTIMESY(-0.00038)
          clgEirFuncTempCurve.setMinimumValueofx(17)
          clgEirFuncTempCurve.setMaximumValueofx(22)
          clgEirFuncTempCurve.setMinimumValueofy(13)
          clgEirFuncTempCurve.setMaximumValueofy(46)
          # create clgEirFuncFlowFracCurve
          clgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgEirFuncFlowFracCurve.setCoefficient1Constant(1.20550)
          clgEirFuncFlowFracCurve.setCoefficient2x(-0.32953)
          clgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.12308)
          clgEirFuncFlowFracCurve.setMinimumValueofx(0.75918)
          clgEirFuncFlowFracCurve.setMaximumValueofx(1.13877)
          # create clgPlrCurve
          clgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgPlrCurve.setCoefficient1Constant(0.77100)
          clgPlrCurve.setCoefficient2x(0.22900)
          clgPlrCurve.setCoefficient3xPOW2(0.0)
          clgPlrCurve.setMinimumValueofx(0.0)
          clgPlrCurve.setMaximumValueofx(1.0)
          # cooling coil
          cooling_coil = OpenStudio::Model::CoilCoolingDXSingleSpeed.new(model,
                                                                         model.alwaysOnDiscreteSchedule,
                                                                         clgCapFuncTempCurve,
                                                                         clgCapFuncFlowFracCurve,
                                                                         clgEirFuncTempCurve,
                                                                         clgEirFuncFlowFracCurve,
                                                                         clgPlrCurve)
          cooling_coil.setRatedCOP(OpenStudio::OptionalDouble.new(4))
          air_loop_comps << cooling_coil
        else
          # two speed DX coil (PNNL curves)
          # create cooling coil
          # create clgCapFuncTempCurve
          clgCapFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgCapFuncTempCurve.setCoefficient1Constant(1.39072)
          clgCapFuncTempCurve.setCoefficient2x(-0.0529058)
          clgCapFuncTempCurve.setCoefficient3xPOW2(0.0018423)
          clgCapFuncTempCurve.setCoefficient4y(0.00058267)
          clgCapFuncTempCurve.setCoefficient5yPOW2(-0.000186814)
          clgCapFuncTempCurve.setCoefficient6xTIMESY(0.000265159)
          clgCapFuncTempCurve.setMinimumValueofx(16.5556)
          clgCapFuncTempCurve.setMaximumValueofx(22.1111)
          clgCapFuncTempCurve.setMinimumValueofy(23.7778)
          clgCapFuncTempCurve.setMaximumValueofy(47.66)
          # create clgCapFuncFlowFracCurve
          clgCapFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgCapFuncFlowFracCurve.setCoefficient1Constant(0.718954)
          clgCapFuncFlowFracCurve.setCoefficient2x(0.435436)
          clgCapFuncFlowFracCurve.setCoefficient3xPOW2(-0.154193)
          clgCapFuncFlowFracCurve.setMinimumValueofx(0.75)
          clgCapFuncFlowFracCurve.setMaximumValueofx(1.25)
          # create clgEirFuncTempCurve
          clgEirFuncTempCurve = OpenStudio::Model::CurveBiquadratic.new(model)
          clgEirFuncTempCurve.setCoefficient1Constant(-0.536161)
          clgEirFuncTempCurve.setCoefficient2x(0.105138)
          clgEirFuncTempCurve.setCoefficient3xPOW2(-0.00172659)
          clgEirFuncTempCurve.setCoefficient4y(0.0149848)
          clgEirFuncTempCurve.setCoefficient5yPOW2(0.000659948)
          clgEirFuncTempCurve.setCoefficient6xTIMESY(-0.0017385)
          clgEirFuncTempCurve.setMinimumValueofx(16.5556)
          clgEirFuncTempCurve.setMaximumValueofx(22.1111)
          clgEirFuncTempCurve.setMinimumValueofy(23.7778)
          clgEirFuncTempCurve.setMaximumValueofy(47.66)
          # create clgEirFuncFlowFracCurve
          clgEirFuncFlowFracCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgEirFuncFlowFracCurve.setCoefficient1Constant(1.19525)
          clgEirFuncFlowFracCurve.setCoefficient2x(-0.306138)
          clgEirFuncFlowFracCurve.setCoefficient3xPOW2(0.110973)
          clgEirFuncFlowFracCurve.setMinimumValueofx(0.75)
          clgEirFuncFlowFracCurve.setMaximumValueofx(1.25)
          # create clgPlrCurve
          clgPlrCurve = OpenStudio::Model::CurveQuadratic.new(model)
          clgPlrCurve.setCoefficient1Constant(0.77100)
          clgPlrCurve.setCoefficient2x(0.22900)
          clgPlrCurve.setCoefficient3xPOW2(0.0)
          clgPlrCurve.setMinimumValueofx(0.0)
          clgPlrCurve.setMaximumValueofx(1.0)
          # cooling coil
          cooling_coil = OpenStudio::Model::CoilCoolingDXTwoSpeed.new(model,
                                                                      model.alwaysOnDiscreteSchedule,
                                                                      clgCapFuncTempCurve,
                                                                      clgCapFuncFlowFracCurve,
                                                                      clgEirFuncTempCurve,
                                                                      clgEirFuncFlowFracCurve,
                                                                      clgPlrCurve,
                                                                      clgCapFuncTempCurve,
                                                                      clgEirFuncTempCurve)
          cooling_coil.setRatedHighSpeedCOP(4)
          cooling_coil.setRatedLowSpeedCOP(4)
          air_loop_comps << cooling_coil
        end
        if options['secondaryHVAC']['heat'] == 'Water'
          # water coil
          heating_coil = OpenStudio::Model::CoilHeatingWater.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << heating_coil
        else
          # gas coil
          heating_coil = OpenStudio::Model::CoilHeatingGas.new(model, model.alwaysOnDiscreteSchedule)
          air_loop_comps << heating_coil
        end

      end

      # create controller outdoor air
      controller_OA = OpenStudio::Model::ControllerOutdoorAir.new(model)
      controller_OA.autosizeMinimumOutdoorAirFlowRate
      controller_OA.autosizeMaximumOutdoorAirFlowRate
      controller_OA.setEconomizerControlType('DifferentialEnthalpy')
      controller_OA.setMaximumFractionofOutdoorAirSchedule(options['ventilation_schedule'])
      controller_OA.setHeatRecoveryBypassControlType('BypassWhenOAFlowGreaterThanMinimum')
      # create outdoor air system
      system_OA = OpenStudio::Model::AirLoopHVACOutdoorAirSystem.new(model, controller_OA)
      air_loop_comps << system_OA
      # create ERV
      heat_exchanger = OpenStudio::Model::HeatExchangerAirToAirSensibleAndLatent.new(model)
      heat_exchanger.setAvailabilitySchedule(model.alwaysOnDiscreteSchedule)
      sensible_eff = 0.75
      latent_eff = 0.69
      heat_exchanger.setSensibleEffectivenessat100CoolingAirFlow(sensible_eff)
      heat_exchanger.setSensibleEffectivenessat100HeatingAirFlow(sensible_eff)
      heat_exchanger.setSensibleEffectivenessat75CoolingAirFlow(sensible_eff)
      heat_exchanger.setSensibleEffectivenessat75HeatingAirFlow(sensible_eff)
      heat_exchanger.setLatentEffectivenessat100CoolingAirFlow(latent_eff)
      heat_exchanger.setLatentEffectivenessat100HeatingAirFlow(latent_eff)
      heat_exchanger.setLatentEffectivenessat75CoolingAirFlow(latent_eff)
      heat_exchanger.setLatentEffectivenessat75HeatingAirFlow(latent_eff)
      heat_exchanger.setFrostControlType('ExhaustOnly')
      heat_exchanger.setThresholdTemperature(-12.2)
      heat_exchanger.setInitialDefrostTimeFraction(0.1670)
      heat_exchanger.setRateofDefrostTimeFractionIncrease(0.0240)
      heat_exchanger.setEconomizerLockout(false)
      # create setpoint manager for airloop
      setpoint_manager = OpenStudio::Model::SetpointManagerSingleZoneReheat.new(model)
      setpoint_manager.setMinimumSupplyAirTemperature(10)
      setpoint_manager.setMaximumSupplyAirTemperature(50)
      setpoint_manager.setControlZone(zone)
      # connect components to airloop
      # find the supply inlet node of the airloop
      airloop_supply_inlet = airloop_secondary.supplyInletNode
      # add the components to the airloop
      air_loop_comps.each do |comp|
        comp.addToNode(airloop_supply_inlet)
        if comp.to_CoilHeatingWater.is_initialized
          options['hot_water_plant'].addDemandBranchForComponent(comp)
          comp.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        elsif comp.to_CoilCoolingWater.is_initialized
          options['chilled_water_plant'].addDemandBranchForComponent(comp)
          comp.controllerWaterCoil.get.setMinimumActuatedFlow(0)
        end
      end
      # add erv to outdoor air system
      heat_exchanger.addToNode(system_OA.outboardOANode.get)
      # add setpoint manager to supply equipment outlet node
      setpoint_manager.addToNode(airloop_secondary.supplyOutletNode)
      # add thermal zone to airloop
      if options['secondaryHVAC']['fan'] == 'Variable'
        air_terminal = OpenStudio::Model::AirTerminalSingleDuctVAVNoReheat.new(model, model.alwaysOnDiscreteSchedule)
      else
        air_terminal = OpenStudio::Model::AirTerminalSingleDuctUncontrolled.new(model, model.alwaysOnDiscreteSchedule)
      end
      # attach new terminal to the zone and to the airloop
      airloop_secondary.addBranchForZone(zone, air_terminal.to_StraightComponent)
      # add night cycling
      airloop_secondary.setNightCycleControlType('CycleOnAny') # ML Does this work with variable speed fans?
      secondary_airloops << airloop_secondary
    end
  end

  # pass back secondary airloops
  result = secondary_airloops
  return result
end

.doSomething(input) ⇒ Object

do something



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 10

def self.doSomething(input)
  # do something
  output = input

  result = output
  return result
end

.removeEquipment(model, runner) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 177

def self.removeEquipment(model, runner)
  airloops = model.getAirLoopHVACs
  plantLoops = model.getPlantLoops
  zones = model.getThermalZones

  # remove all airloops
  airloops.each(&:remove)

  # remove all zone equipment except zone exhaust fans
  zones.each do |zone|
    zone.equipment.each do |equip|
      if equip.to_FanZoneExhaust.is_initialized
      else
        equip.remove
      end
    end
  end

  # remove plant loops
  plantLoops.each do |plantLoop|
    # get the demand components and see if water use connection, then save it
    # notify user with info statement if supply side of plant loop had heat exchanger for refrigeration
    usedForSHWorRefrigeration = false
    plantLoop.demandComponents.each do |comp| # AP code to check your comments above
      if comp.to_WaterUseConnections.is_initialized || comp.to_CoilWaterHeatingDesuperheater.is_initialized
        usedForSHWorRefrigeration = true
      end
    end
    if usedForSHWorRefrigeration == false
      plantLoop.remove
    else
      runner.registerWarning("#{plantLoop.name} is used for SHW or refrigeration heat reclaim.  Loop will not be deleted")
    end
  end
end

.reportConditions(model, runner, condition, extra_string = '') ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 150

def self.reportConditions(model, runner, condition, extra_string = '')
  airloops = model.getAirLoopHVACs
  plantLoops = model.getPlantLoops
  zones = model.getThermalZones

  # count up zone equipment (not counting zone exhaust fans)
  zoneHasEquip = false
  zonesWithEquipCounter = 0

  zones.each do |zone|
    if !zone.equipment.empty?
      zone.equipment.each do |equip|
        unless equip.to_FanZoneExhaust.is_initialized
          zonesWithEquipCounter += 1
          break
        end
      end
    end
  end

  if condition == 'initial'
    runner.registerInitialCondition("The building started with #{airloops.size} air loops and #{plantLoops.size} plant loops. #{zonesWithEquipCounter} zones were conditioned with zone equipment.")
  elsif condition == 'final'
    runner.registerFinalCondition("The building finished with #{airloops.size} air loops and #{plantLoops.size} plant loops. #{zonesWithEquipCounter} zones are conditioned with zone equipment. #{extra_string}")
  end
end

.sortZones(model, runner, options = {}) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 76

def self.sortZones(model, runner, options = {})
  # set defaults to use if user inputs not passed in
  defaults = { 'standardBuildingTypeTest' => nil, # not used for now
               'secondarySpaceTypeTest' => nil,
               'ceilingReturnPlenumSpaceType' => nil }

  # merge user inputs with defaults
  options = defaults.merge(options)

  # set up zone type arrays
  zonesPrimary = []
  zonesSecondary = []
  zonesPlenum = []
  zonesUnconditioned = []

  # get thermal zones
  zones = model.getThermalZones
  zones.each do |zone|
    # assign appropriate zones to zonesPlenum or zonesUnconditioned (those that don't have thermostats or zone HVAC equipment)
    # if not conditioned then add to zonesPlenum or zonesUnconditioned
    if zone.thermostatSetpointDualSetpoint.is_initialized || !zone.equipment.empty?
      # zone is conditioned.  check if its space type is secondary or primary
      spaces = zone.spaces
      spaces.each do |space|
        # if a zone has already been assigned as secondary, skip
        next if zonesSecondary.include? zone
        # get space type if it exists
        next unless space.spaceType.is_initialized
        spaceType = space.spaceType.get
        # get standards information
        # for now skip standardsBuildingType and just rely on the standardsSpaceType. Seems like enough.
        next unless spaceType.standardsSpaceType.is_initialized
        standardSpaceType = spaceType.standardsSpaceType.get
        # test space type against secondary space type array
        # if any space type in zone is secondary, assign zone as secondary
        if options['secondarySpaceTypeTest'].include? standardSpaceType
          zonesSecondary << zone
        end
      end
      # if zone not assigned as secondary, assign as primary
      unless zonesSecondary.include? zone
        zonesPrimary << zone
      end
    else
      # determine if zone is a plenum zone or general unconditioned zone
      # assume it is a plenum if it has at least one planum space
      zone.spaces.each do |space|
        # if a zone has already been assigned as a plenum, skip
        next if zonesPlenum.include? zone
        # if zone not assigned as a plenum, get space type if it exists
        # compare to plenum space type if it has been assigned
        if space.spaceType.is_initialized && (options['ceilingReturnPlenumSpaceType'].nil? == false)
          spaceType = space.spaceType.get
          if spaceType == options['ceilingReturnPlenumSpaceType']
            zonesPlenum << zone # zone has a plenum space; assign it as a plenum
          end
        end
      end
      # if zone not assigned as a plenum, assign it as unconditioned
      unless zonesPlenum.include? zone
        zonesUnconditioned << zone
      end
    end
  end

  zonesSorted = { 'zonesPrimary' => zonesPrimary,
                  'zonesSecondary' => zonesSecondary,
                  'zonesPlenum' => zonesPlenum,
                  'zonesUnconditioned' => zonesUnconditioned }
  # pass back zonesSorted hash
  result = zonesSorted
  return result
end

.validateAndAddPlenumZonesToSystem(model, runner, options = {}) ⇒ Object

validate and make plenum zones



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 19

def self.validateAndAddPlenumZonesToSystem(model, runner, options = {})
  # set defaults to use if user inputs not passed in
  defaults = {
    'zonesPlenum' => nil,
    'zonesPrimary' => nil,
    'type' => 'ceilingReturn'
  }

  # merge user inputs with defaults
  options = defaults.merge(options)

  # array of valid ceiling plenums
  zoneSurfaceHash = {}
  zonePlenumHash = {}

  if options['zonesPlenum'].nil?
    runner.registerWarning('No plenum zones were passed in, validateAndAddPlenumZonesToSystem will not alter the model.')
  else
    options['zonesPlenum'].each do |zone|
      # get spaces in zone
      spaces = zone.spaces
      # get adjacent spaces
      spaces.each do |space|
        # get surfaces
        surfaces = space.surfaces
        # loop through surfaces looking for floors with surface boundary condition, grab zone that surface's parent space is in.
        surfaces.each do |surface|
          if (surface.outsideBoundaryCondition == 'Surface') && (surface.surfaceType == 'Floor')
            next unless surface.adjacentSurface.is_initialized
            adjacentSurface = surface.adjacentSurface.get
            next unless adjacentSurface.space.is_initialized
            adjacentSurfaceSpace =  adjacentSurface.space.get
            next unless adjacentSurfaceSpace.thermalZone.is_initialized
            adjacentSurfaceSpaceZone = adjacentSurfaceSpace.thermalZone.get
            if options['zonesPrimary'].include? adjacentSurfaceSpaceZone
              if zoneSurfaceHash[adjacentSurfaceSpaceZone].nil? || (surface.grossArea > zoneSurfaceHash[adjacentSurfaceSpaceZone])
                adjacentSurfaceSpaceZone.setReturnPlenum(zone)
                zoneSurfaceHash[adjacentSurfaceSpaceZone] = surface.grossArea
                zonePlenumHash[adjacentSurfaceSpaceZone] = zone
              end
            end
          end
        end
      end
    end
  end

  # report out results of zone-plenum hash
  zonePlenumHash.each do |zone, plenum|
    runner.registerInfo("#{plenum.name} has been set as a return air plenum for #{zone.name}.")
  end

  # pass back zone-plenum hash
  result = zonePlenumHash
  return result
end

.write_one_var_table(model, runner, xz_data, unit_types, norm_ref) ⇒ Object



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 810

def self.write_one_var_table(model, runner, xz_data, unit_types, norm_ref)
  # make sure there is *something* there first
  if xz_data.empty?
    runner.registerWarning('Attempted to write one var table with empty array, returning quietly')
    return
  end

  # check the values first and also get min/max values
  minx = 9999999999
  minz = 9999999999
  maxx = -9999999999
  maxz = -9999999999

  xz_data.each do |xz|
    if xz.nil?
      runner.registerWarning('xz is nil')
      return
    elsif xz[0].nil?
      runner.registerWarning("x is nil for #{xz}")
      return
    elsif xz[1].nil?
      runner.registerWarning('z is nil')
      return
    end
    minx = [minx, xz[0]].min
    minz = [minz, xz[1]].min
    maxx = [maxx, xz[0]].max
    maxz = [maxz, xz[1]].max
  end

  this_table = OpenStudio::Model::TableMultiVariableLookup.new(model, 1)
  this_table.setCurveType('Quadratic')
  this_table.setInterpolationMethod('LagrangeInterpolationLinearExtrapolation') # LagrangeInterpolationLinearExtrapolation, LinearInterpolationOfTable
  this_table.setMinimumValueofX1(minx)
  this_table.setMaximumValueofX1(maxx)
  this_table.setMinimumTableOutput(minz)
  this_table.setMaximumTableOutput(maxz)
  this_table.setInputUnitTypeforX1(unit_types[0])
  this_table.setOutputUnitType(unit_types[1])
  this_table.setNormalizationReference(norm_ref)
  xz_data.each do |xz|
    this_table.addPoint(xz[0], xz[1])
  end

  return this_table
end

.write_two_indep_var_table(model, runner, xyz_data, unit_types, norm_ref) ⇒ Object

Writes a Table:TwoIndependentVariable object to the idf file based on given inputs. Limits are assumed for now.

Parameters:

  • xyz_data (Array<Array<FixNum>>)

    An array of float-triplet arrays in the form [ [x1, y1, z1], [x2, y2, z2], …, [xn, yn, zn] ]

  • unit_types (Array<String>)

    An array that identifies unit types for the table variables, should be filled with values from the UNIT_TYPE_* constants



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# File 'lib/measures/zedgk_12_hvac_gshp_doas/resources/OsLib_HVAC_zedg_gshp.rb', line 753

def self.write_two_indep_var_table(model, runner, xyz_data, unit_types, norm_ref)
  # make sure there is *something* there first
  if xyz_data.empty?
    runner.registerWarning('Attempted to write two indep var table with empty array, returning quietly')
    return
  end

  # check the values first and also get min/max values
  minx = 9999999999
  miny = 9999999999
  minz = 9999999999
  maxx = -9999999999
  maxy = -9999999999
  maxz = -9999999999

  xyz_data.each do |xyz|
    if xyz.nil?
      runner.registerWarning('xyz is nil')
      return
    elsif xyz[0].nil?
      runner.registerWarning("x is nil for #{xyz}")
      return
    elsif xyz[1].nil?
      runner.registerWarning('y is nil')
      return
    elsif xyz[2].nil?
      runner.registerWarning('z is nil')
      return
    end
    minx = [minx, xyz[0]].min
    miny = [miny, xyz[1]].min
    minz = [minz, xyz[2]].min
    maxx = [maxx, xyz[0]].max
    maxy = [maxy, xyz[1]].max
    maxz = [maxz, xyz[2]].max
  end

  this_table = OpenStudio::Model::TableMultiVariableLookup.new(model, 2)
  this_table.setCurveType('BiQuadratic')
  this_table.setInterpolationMethod('LagrangeInterpolationLinearExtrapolation') # LagrangeInterpolationLinearExtrapolation, LinearInterpolationOfTable
  this_table.setMinimumValueofX1(minx)
  this_table.setMaximumValueofX1(maxx)
  this_table.setMinimumValueofX2(miny)
  this_table.setMaximumValueofX2(maxy)
  this_table.setMinimumTableOutput(minz)
  this_table.setMaximumTableOutput(maxz)
  this_table.setInputUnitTypeforX1(unit_types[0])
  this_table.setInputUnitTypeforX2(unit_types[1])
  this_table.setOutputUnitType(unit_types[2])
  this_table.setNormalizationReference(norm_ref)
  xyz_data.each do |xyz|
    this_table.addPoint(xyz[0], xyz[1], xyz[2])
  end

  return this_table
end