module LargeHotel
Custom changes for the LargeHotel
prototype. These are changes that are inconsistent with other prototype building types.
Public Instance Methods
add extra equipment for kitchen
@param model [OpenStudio::Model::Model] OpenStudio model object @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 151 def add_extra_equip_kitchen(model) kitchen_space = model.getSpaceByName('Kitchen_Flr_6') kitchen_space = kitchen_space.get kitchen_space_type = kitchen_space.spaceType.get elec_equip_def1 = OpenStudio::Model::ElectricEquipmentDefinition.new(model) elec_equip_def2 = OpenStudio::Model::ElectricEquipmentDefinition.new(model) elec_equip_def1.setName('Kitchen Electric Equipment Definition1') elec_equip_def2.setName('Kitchen Electric Equipment Definition2') case template when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013', '90.1-2016', '90.1-2019' elec_equip_def1.setFractionLatent(0) elec_equip_def1.setFractionRadiant(0.25) elec_equip_def1.setFractionLost(0) elec_equip_def2.setFractionLatent(0) elec_equip_def2.setFractionRadiant(0.25) elec_equip_def2.setFractionLost(0) if template == '90.1-2013' || template == '90.1-2016' elec_equip_def1.setDesignLevel(457.7) elec_equip_def2.setDesignLevel(285) elsif template == '90.1-2019' elec_equip_def1.setDesignLevel(277.5) elec_equip_def2.setDesignLevel(156.7) else elec_equip_def1.setDesignLevel(515.917) elec_equip_def2.setDesignLevel(425.8) end # Create the electric equipment instance and hook it up to the space type elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1) elec_equip2 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def2) elec_equip1.setName('Kitchen_Reach-in-Freezer') elec_equip2.setName('Kitchen_Reach-in-Refrigerator') elec_equip1.setSpaceType(kitchen_space_type) elec_equip2.setSpaceType(kitchen_space_type) elec_equip1.setSchedule(model_add_schedule(model, 'HotelLarge ALWAYS_ON')) elec_equip2.setSchedule(model_add_schedule(model, 'HotelLarge ALWAYS_ON')) # elec_equip2.setSchedule(model.alwaysOnDiscreteSchedule) # elec_equip2.setSchedule(model.alwaysOffDiscreteSchedule) end return true end
Type of SAT reset for this building type
@param air_loop_hvac [OpenStudio::Model::AirLoopHVAC] air loop @return [String] Returns type of SAT reset
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 270 def air_loop_hvac_supply_air_temperature_reset_type(air_loop_hvac) return 'oa' end
@!group AirTerminalSingleDuctVAVReheat Set the initial minimum damper position based on OA rate of the space and the template. Zones with low OA per area get lower initial guesses. Final position will be adjusted upward as necessary by Standards.AirLoopHVAC.apply_minimum_vav_damper_positions
@param air_terminal_single_duct_vav_reheat [OpenStudio::Model::AirTerminalSingleDuctVAVReheat] the air terminal object @param zone_oa_per_area [Double] the zone outdoor air per area in m^3/s*m^2 @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 257 def air_terminal_single_duct_vav_reheat_apply_initial_prototype_damper_position(air_terminal_single_duct_vav_reheat, zone_oa_per_area) min_damper_position = template == '90.1-2010' || template == '90.1-2013' || template == '90.1-2016' || template == '90.1-2019' ? 0.2 : 0.3 # Set the minimum flow fraction air_terminal_single_duct_vav_reheat.setConstantMinimumAirFlowFraction(min_damper_position) return true end
Add the daylighting controls for lobby, cafe, dinning and banquet
@param model [OpenStudio::Model::Model] OpenStudio model object @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 196 def model_add_daylighting_controls(model) space_names = ['Banquet_Flr_6', 'Dining_Flr_6', 'Cafe_Flr_1', 'Lobby_Flr_1'] space_names.each do |space_name| space = model.getSpaceByName(space_name).get space_add_daylighting_controls(space, false, false) end return true end
geometry adjustments specific to the prototype model
@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String] the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 243 def model_custom_geometry_tweaks(model, building_type, climate_zone, prototype_input) # Set original building North axis OpenstudioStandards::Geometry.model_set_building_north_axis(model, 0.0) return true end
hvac adjustments specific to the prototype model
@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String] the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 11 def model_custom_hvac_tweaks(model, building_type, climate_zone, prototype_input) OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific HVAC adjustments') # add transformer # efficiency based on a 150 kVA transformer case template when '90.1-2004', '90.1-2007' transformer_efficiency = 0.971 when '90.1-2010', '90.1-2013' transformer_efficiency = 0.983 when '90.1-2016', '90.1-2019' transformer_efficiency = 0.988 else transformer_efficiency = nil end return true unless !transformer_efficiency.nil? model_add_transformer(model, wired_lighting_frac: 0.0352, transformer_size: 150000, transformer_efficiency: transformer_efficiency) # add extra equipment for kitchen add_extra_equip_kitchen(model) # Add Exhaust Fan space_type_map = define_space_type_map(building_type, climate_zone) exhaust_fan_space_types = [] case template when '90.1-2004', '90.1-2007' exhaust_fan_space_types = ['Kitchen', 'Laundry'] else exhaust_fan_space_types = ['Banquet', 'Kitchen', 'Laundry'] end exhaust_fan_space_types.each do |space_type_name| space_type_data = standards_lookup_table_first(table_name: 'space_types', search_criteria: { 'template' => template, 'building_type' => building_type, 'space_type' => space_type_name }) if space_type_data.nil? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Unable to find space type #{template}-#{building_type}-#{space_type_name}") return false end exhaust_schedule = model_add_schedule(model, space_type_data['exhaust_availability_schedule']) unless exhaust_schedule OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Unable to find Exhaust Schedule for space type #{template}-#{building_type}-#{space_type_name}") return false end balanced_exhaust_schedule = model_add_schedule(model, space_type_data['balanced_exhaust_fraction_schedule']) space_names = space_type_map[space_type_name] space_names.each do |space_name| space = model.getSpaceByName(space_name).get thermal_zone = space.thermalZone.get zone_exhaust_fan = OpenStudio::Model::FanZoneExhaust.new(model) zone_exhaust_fan.setName(space.name.to_s + ' Exhaust Fan') zone_exhaust_fan.setAvailabilitySchedule(exhaust_schedule) zone_exhaust_fan.setFanEfficiency(space_type_data['exhaust_fan_efficiency']) zone_exhaust_fan.setPressureRise(space_type_data['exhaust_fan_pressure_rise']) maximum_flow_rate = OpenStudio.convert(space_type_data['exhaust_fan_maximum_flow_rate'], 'cfm', 'm^3/s').get zone_exhaust_fan.setMaximumFlowRate(maximum_flow_rate) if balanced_exhaust_schedule.class.to_s != 'NilClass' zone_exhaust_fan.setBalancedExhaustFractionSchedule(balanced_exhaust_schedule) end zone_exhaust_fan.setEndUseSubcategory('Zone Exhaust Fans') zone_exhaust_fan.addToThermalZone(thermal_zone) if !space_type_data['exhaust_fan_power'].nil? && space_type_data['exhaust_fan_power'].to_f.nonzero? # Create the electric equipment definition exhaust_fan_equip_def = OpenStudio::Model::ElectricEquipmentDefinition.new(model) exhaust_fan_equip_def.setName("#{space_name} Electric Equipment Definition") exhaust_fan_equip_def.setDesignLevel(space_type_data['exhaust_fan_power'].to_f) exhaust_fan_equip_def.setFractionLatent(0) exhaust_fan_equip_def.setFractionRadiant(0) exhaust_fan_equip_def.setFractionLost(1) # Create the electric equipment instance and hook it up to the space type exhaust_fan_elec_equip = OpenStudio::Model::ElectricEquipment.new(exhaust_fan_equip_def) exhaust_fan_elec_equip.setName("#{space_name} Exhaust Fan Equipment") exhaust_fan_elec_equip.setSchedule(exhaust_schedule) exhaust_fan_elec_equip.setSpaceType(space.spaceType.get) end end end # adjust VAV system sizing model.getAirLoopHVACs.each do |air_loop| if air_loop.name.to_s.include? 'VAV WITH REHEAT' # economizer type oa_system = air_loop.airLoopHVACOutdoorAirSystem.get oa_intake_controller = oa_system.getControllerOutdoorAir oa_intake_controller.setEconomizerControlType('DifferentialEnthalpy') # zone sizing rht_sa_temp_c = OpenStudio.convert(90.0, 'F', 'C').get air_loop.thermalZones.each do |zone| air_terminal = zone.airLoopHVACTerminal if air_terminal.is_initialized air_terminal = air_terminal.get if air_terminal.to_AirTerminalSingleDuctVAVReheat.is_initialized air_terminal = air_terminal.to_AirTerminalSingleDuctVAVReheat.get air_terminal.setMaximumReheatAirTemperature(rht_sa_temp_c) reheat_coil = air_terminal.reheatCoil reheat_coil = reheat_coil.to_CoilHeatingWater.get reheat_coil.setRatedOutletAirTemperature(rht_sa_temp_c) end end end end end # Update Sizing Zone zone_sizing = model.getSpaceByName('Kitchen_Flr_6').get.thermalZone.get.sizingZone zone_sizing.setCoolingMinimumAirFlowFraction(0.7) zone_sizing = model.getSpaceByName('Laundry_Flr_1').get.thermalZone.get.sizingZone zone_sizing.setCoolingMinimumAirFlow(0.23567919336) OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished building type specific adjustments') # Guestroom vacancy controls model_add_guestroom_vacancy_controls(model, 'LargeHotel') # Guestroom temperature reset schedule delay reduction from 30 min to 20 min model_reduce_setback_sch_delay(model, 'LargeHotel') # Guestroom ventilation availability schedule setup model_add_guestroom_vent_sch(model, 'LargeHotel') return true end
swh adjustments specific to the prototype model
@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String] the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 231 def model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input) update_waterheater_ambient_parameters(model) return true end
List transfer air target and source zones, and airflow (cfm) code_sections [90.1-2019_6.5.7.1], [90.1-2016_6.5.7.1]
@param model [OpenStudio::Model::Model] OpenStudio model object @return [Hash] target zones (key) and source zones (value) and air flow (value)
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 279 def model_transfer_air_target_and_source_zones(model) model_transfer_air_target_and_source_zones_hash = { 'Laundry_Flr_1 ZN' => ['Lobby_Flr_1 ZN', 500.0] } return model_transfer_air_target_and_source_zones_hash end
update water heater ambient conditions
@param model [OpenStudio::Model::Model] OpenStudio model object @return [Boolean] returns true if successful, false if not
# File lib/openstudio-standards/prototypes/common/buildings/Prototype.LargeHotel.rb, line 209 def update_waterheater_ambient_parameters(model) model.getWaterHeaterMixeds.sort.each do |water_heater| if water_heater.name.to_s.include?('300gal') water_heater.resetAmbientTemperatureSchedule water_heater.setAmbientTemperatureIndicator('ThermalZone') water_heater.setAmbientTemperatureThermalZone(model.getThermalZoneByName('Basement ZN').get) elsif water_heater.name.to_s.include?('6.0gal') water_heater.resetAmbientTemperatureSchedule water_heater.setAmbientTemperatureIndicator('ThermalZone') water_heater.setAmbientTemperatureThermalZone(model.getThermalZoneByName('Kitchen_Flr_6 ZN').get) end end return true end