# Custom changes for the LargeHotel prototype. # These are changes that are inconsistent with other prototype # building types. module LargeHotel def model_custom_hvac_tweaks(building_type, climate_zone, prototype_input, model) OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific adjustments') # 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 = model_find_object(standards_data['space_types'], '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_schedule']) if exhaust_schedule.class.to_s == 'NilClass' 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 # 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') return true end # add hvac # add extra equipment for kitchen 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' 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' elec_equip_def1.setDesignLevel(457.7) elec_equip_def2.setDesignLevel(285) else elec_equip_def1.setDesignLevel(99_999.88) elec_equip_def2.setDesignLevel(99_999.99) 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 end # Add the daylighting controls for lobby, cafe, dinning and banquet 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 end def model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input) return true end end