# ComStock™, Copyright (c) 2020 Alliance for Sustainable Energy, LLC. All rights reserved. # See top level LICENSE.txt file for license terms. # ******************************************************************************* # OpenStudio(R), Copyright (c) 2008-2021, Alliance for Sustainable Energy, LLC. # All rights reserved. # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # (1) Redistributions of source code must retain the above copyright notice, # this list of conditions and the following disclaimer. # # (2) Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # (3) Neither the name of the copyright holder nor the names of any contributors # may be used to endorse or promote products derived from this software without # specific prior written permission from the respective party. # # (4) Other than as required in clauses (1) and (2), distributions in any form # of modifications or other derivative works may not use the "OpenStudio" # trademark, "OS", "os", or any other confusingly similar designation without # specific prior written permission from Alliance for Sustainable Energy, LLC. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND ANY CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S), ANY CONTRIBUTORS, THE # UNITED STATES GOVERNMENT, OR THE UNITED STATES DEPARTMENT OF ENERGY, NOR ANY OF # THEIR EMPLOYEES, BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # ******************************************************************************* class OpenStudio::Model::Model # Adds the HVAC system as derived from the combinations of CBECS 2012 MAINHT and MAINCL fields. # Mapping between combinations and HVAC systems per http://www.nrel.gov/docs/fy08osti/41956.pdf # Table C-31 def add_cbecs_hvac_system(standard, system_type, zones) # the 'zones' argument includes zones that have heating, cooling, or both # if the HVAC system type serves a single zone, handle zones with only heating separately by adding unit heaters # applies to system types PTAC, PTHP, PSZ-AC, and Window AC heated_and_cooled_zones = zones.select { |zone| standard.thermal_zone_heated?(zone) && standard.thermal_zone_cooled?(zone) } heated_zones = zones.select { |zone| standard.thermal_zone_heated?(zone) } cooled_zones = zones.select { |zone| standard.thermal_zone_cooled?(zone) } cooled_only_zones = zones.select { |zone| !standard.thermal_zone_heated?(zone) && standard.thermal_zone_cooled?(zone) } heated_only_zones = zones.select { |zone| standard.thermal_zone_heated?(zone) && !standard.thermal_zone_cooled?(zone) } system_zones = heated_and_cooled_zones + cooled_only_zones # system type naming convention: # [ventilation strategy] [ cooling system and plant] [heating system and plant] case system_type when 'Baseboard electric' standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Baseboard gas boiler' standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Baseboard central air source heat pump' standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_zones) when 'Baseboard district hot water' standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) when 'Direct evap coolers with baseboard electric' standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with baseboard gas boiler' standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with baseboard central air source heat pump' standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with baseboard district hot water' standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with forced air furnace' # Using unit heater to represent forced air furnace to limit to one airloop per thermal zone. standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with gas unit heaters' standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'Direct evap coolers with no heat' standard.model_add_hvac_system(self, 'Evaporative Cooler', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'DOAS with fan coil chiller with boiler' standard.model_add_hvac_system(self, 'DOAS', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil chiller with central air source heat pump' standard.model_add_hvac_system(self, 'DOAS', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil chiller with district hot water' standard.model_add_hvac_system(self, 'DOAS', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil chiller with baseboard electric' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil chiller with gas unit heaters' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil chiller with no heat' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil air-cooled chiller with boiler' standard.model_add_hvac_system(self, 'DOAS', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) when 'DOAS with fan coil air-cooled chiller with central air source heat pump' standard.model_add_hvac_system(self, 'DOAS', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) when 'DOAS with fan coil air-cooled chiller with district hot water' standard.model_add_hvac_system(self, 'DOAS', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) when 'DOAS with fan coil air-cooled chiller with baseboard electric' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil air-cooled chiller with gas unit heaters' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil air-cooled chiller with no heat' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled', zone_equipment_ventilation: false) when 'DOAS with fan coil district chilled water with boiler' standard.model_add_hvac_system(self, 'DOAS', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil district chilled water with central air source heat pump' standard.model_add_hvac_system(self, 'DOAS', ht = 'AirSourceHeatPump', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil district chilled water with district hot water' standard.model_add_hvac_system(self, 'DOAS', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) when 'DOAS with fan coil district chilled water with baseboard electric' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil district chilled water with gas unit heaters' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'DOAS with fan coil district chilled water with no heat ' standard.model_add_hvac_system(self, 'DOAS', ht = nil, znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) when 'DOAS with VRF' standard.model_add_hvac_system(self, 'DOAS', ht = 'Electricity', znht = nil, cl = 'Electricity', zones, air_loop_heating_type: 'DX', air_loop_cooling_type: 'DX') standard.model_add_hvac_system(self, 'VRF', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'DOAS with water source heat pumps fluid cooler with boiler' standard.model_add_hvac_system(self, 'DOAS', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, heat_pump_loop_cooling_type: 'FluidCooler', zone_equipment_ventilation: false) when 'DOAS with water source heat pumps cooling tower with boiler' standard.model_add_hvac_system(self, 'DOAS', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, heat_pump_loop_cooling_type: 'CoolingTower', zone_equipment_ventilation: false) when 'DOAS with water source heat pumps with ground source heat pump' standard.model_add_hvac_system(self, 'DOAS', ht = 'Electricity', znht = nil, cl = 'Electricity', zones, air_loop_heating_type: 'DX', air_loop_cooling_type: 'DX') standard.model_add_hvac_system(self, 'Ground Source Heat Pumps', ht = 'Electricity', znht = nil, cl = 'Electricity', zones, zone_equipment_ventilation: false) when 'DOAS with water source heat pumps district chilled water with district hot water' standard.model_add_hvac_system(self, 'DOAS', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones, zone_equipment_ventilation: false) # ventilation provided by zone fan coil unit in fan coil systems when 'Fan coil chiller with boiler' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) when 'Fan coil chiller with central air source heat pump' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones) when 'Fan coil chiller with district hot water' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones) when 'Fan coil chiller with baseboard electric' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Fan coil chiller with gas unit heaters' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Fan coil chiller with no heat' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones) when 'Fan coil air-cooled chiller with boiler' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'Fan coil air-cooled chiller with central air source heat pump' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'Fan coil air-cooled chiller with district hot water' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'Fan coil air-cooled chiller with baseboard electric' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Fan coil air-cooled chiller with gas unit heaters' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Fan coil air-cooled chiller with no heat' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'Fan coil district chilled water with boiler' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones) when 'Fan coil district chilled water with central air source heat pump' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'AirSourceHeatPump', znht = nil, cl = 'DistrictCooling', zones) when 'Fan coil district chilled water with district hot water' standard.model_add_hvac_system(self, 'Fan Coil', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones) when 'Fan coil district chilled water with baseboard electric' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Fan coil district chilled water with gas unit heaters' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Fan coil district chilled water with no heat ' standard.model_add_hvac_system(self, 'Fan Coil', ht = nil, znht = nil, cl = 'DistrictCooling', zones) when 'Forced air furnace' # includes ventilation, whereas residential forced air furnace does not. standard.model_add_hvac_system(self, 'Forced Air Furnace', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Gas unit heaters' standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PTAC with baseboard electric' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'PTAC with baseboard gas boiler' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PTAC with baseboard district hot water' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) when 'PTAC with gas unit heaters' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PTAC with electric coil' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = 'Electricity', cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PTAC with gas coil' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = 'NaturalGas', cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PTAC with gas boiler' standard.model_add_hvac_system(self, 'PTAC', ht = 'NaturalGas', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard gas boiler' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_only_zones) when 'PTAC with central air source heat pump' standard.model_add_hvac_system(self, 'PTAC', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard central air source heat pump' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_only_zones) when 'PTAC with district hot water' standard.model_add_hvac_system(self, 'PTAC', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard district hot water heat' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_only_zones) when 'PTAC with no heat' standard.model_add_hvac_system(self, 'PTAC', ht = nil, znht = nil, cl = 'Electricity', system_zones) when 'PTHP' standard.model_add_hvac_system(self, 'PTHP', ht = 'Electricity', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with baseboard electric' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'PSZ-AC with baseboard gas boiler' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PSZ-AC with baseboard district hot water' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) when 'PSZ-AC with gas unit heaters' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'Electricity', system_zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PSZ-AC with electric coil' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = 'Electricity', cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with gas coil' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = 'NaturalGas', cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with gas boiler' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'NaturalGas', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard gas boiler' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with central air source heat pump' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'AirSourceHeatPump', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard central air source heat pump' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with district hot water' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'DistrictHeating', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard district hot water' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC with no heat' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) when 'PSZ-AC district chilled water with baseboard electric' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'DistrictCooling', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'PSZ-AC district chilled water with baseboard gas boiler' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'DistrictCooling', system_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PSZ-AC district chilled water with gas unit heaters' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'DistrictCooling', system_zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'PSZ-AC district chilled water with electric coil' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = 'Electricity', cl = 'DistrictCooling', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC district chilled water with gas coil' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = 'NaturalGas', cl = 'DistrictCooling', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC district chilled water with gas boiler' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', system_zones) # use 'Baseboard gas boiler' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC district chilled water with central air source heat pump' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'AirSourceHeatPump', znht = nil, cl = 'DistrictCooling', system_zones) # use 'Baseboard central air source heat pump' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC district chilled water with district hot water' standard.model_add_hvac_system(self, 'PSZ-AC', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', system_zones) # use 'Baseboard district hot water' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_only_zones) when 'PSZ-AC district chilled water with no heat' standard.model_add_hvac_system(self, 'PSZ-AC', ht = nil, znht = nil, cl = 'DistrictCooling', cooled_zones) when 'PSZ-HP' standard.model_add_hvac_system(self, 'PSZ-HP', ht = 'Electricity', znht = nil, cl = 'Electricity', system_zones) # use 'Baseboard electric' for heated only zones standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_only_zones) # PVAV systems by default use a DX coil for cooling when 'PVAV with gas boiler reheat', 'Packaged VAV Air Loop with Boiler' # second enumeration for backwards compatibility with Tenant Star project standard.model_add_hvac_system(self, 'PVAV Reheat', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'Electricity', zones) when 'PVAV with central air source heat pump reheat' standard.model_add_hvac_system(self, 'PVAV Reheat', ht = 'AirSourceHeatPump', znht = 'AirSourceHeatPump', cl = 'Electricity', zones) when 'PVAV with district hot water reheat' standard.model_add_hvac_system(self, 'PVAV Reheat', ht = 'DistrictHeating', znht = 'DistrictHeating', cl = 'Electricity', zones) when 'PVAV with PFP boxes' standard.model_add_hvac_system(self, 'PVAV PFP Boxes', ht = 'Electricity', znht = 'Electricity', cl = 'Electricity', zones) when 'PVAV with gas heat with electric reheat' standard.model_add_hvac_system(self, 'PVAV Reheat', ht = 'Gas', znht = 'Electricity', cl = 'Electricity', zones) # all residential systems do not have ventilation when 'Residential AC with baseboard electric' standard.model_add_hvac_system(self, 'Residential AC', ht = nil, znht = nil, cl = nil, cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Residential AC with baseboard gas boiler' standard.model_add_hvac_system(self, 'Residential AC', ht = nil, znht = nil, cl = nil, cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Residential AC with baseboard central air source heat pump' standard.model_add_hvac_system(self, 'Residential AC', ht = nil, znht = nil, cl = nil, cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_zones) when 'Residential AC with baseboard district hot water' standard.model_add_hvac_system(self, 'Residential AC', ht = nil, znht = nil, cl = nil, cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) when 'Residential AC with residential forced air furnace' standard.model_add_hvac_system(self, 'Residential Forced Air Furnace with AC', ht = nil, znht = nil, cl = nil, zones) when 'Residential AC with no heat' standard.model_add_hvac_system(self, 'Residential AC', ht = nil, znht = nil, cl = nil, cooled_zones) when 'Residential heat pump' standard.model_add_hvac_system(self, 'Residential Air Source Heat Pump', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'Residential heat pump with no cooling' standard.model_add_hvac_system(self, 'Residential Air Source Heat Pump', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Residential forced air furnace' standard.model_add_hvac_system(self, 'Residential Forced Air Furnace', ht = 'NaturalGas', znht = nil, cl = nil, zones) when 'VAV chiller with gas boiler reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'Electricity', zones) when 'VAV chiller with central air source heat pump reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'AirSourceHeatPump', znht = 'AirSourceHeatPump', cl = 'Electricity', zones) when 'VAV chiller with district hot water reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'DistrictHeating', znht = 'DistrictHeating', cl = 'Electricity', zones) when 'VAV chiller with PFP boxes' standard.model_add_hvac_system(self, 'VAV PFP Boxes', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'Electricity', zones) when 'VAV chiller with gas coil reheat' standard.model_add_hvac_system(self, 'VAV Gas Reheat', ht = 'NaturalGas', ht = 'NaturalGas', cl = 'Electricity', zones) when 'VAV chiller with no reheat with baseboard electric' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'VAV chiller with no reheat with gas unit heaters' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'VAV chiller with no reheat with zone heat pump' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones) # Using PTHP to represent zone heat pump to limit to one airloop per thermal zone. standard.model_add_hvac_system(self, 'PTHP', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'VAV air-cooled chiller with gas boiler reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'VAV air-cooled chiller with central air source heat pump reheat ' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'AirSourceHeatPump', znht = 'AirSourceHeatPump', cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'VAV air-cooled chiller with district hot water reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'DistrictHeating', znht = 'DistrictHeating', cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'VAV air-cooled chiller with PFP boxes' standard.model_add_hvac_system(self, 'VAV PFP Boxes', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'VAV air-cooled chiller with gas coil reheat' standard.model_add_hvac_system(self, 'VAV Gas Reheat', ht = 'NaturalGas', ht = 'NaturalGas', cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') when 'VAV air-cooled chiller with no reheat with baseboard electric' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'VAV air-cooled chiller with no reheat with gas unit heaters' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'VAV air-cooled chiller with no reheat with zone heat pump' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, chilled_water_loop_cooling_type: 'AirCooled') # Using PTHP to represent zone heat pump to limit to one airloop per thermal zone. standard.model_add_hvac_system(self, 'PTHP', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'VAV district chilled water with gas boiler reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'DistrictCooling', zones) when 'VAV district chilled water with central air source heat pump reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'AirSourceHeatPump', znht = 'AirSourceHeatPump', cl = 'DistrictCooling', zones) when 'VAV district chilled water with district hot water reheat' standard.model_add_hvac_system(self, 'VAV Reheat', ht = 'DistrictHeating', znht = 'DistrictHeating', cl = 'DistrictCooling', zones) when 'VAV district chilled water with PFP boxes' standard.model_add_hvac_system(self, 'VAV PFP Boxes', ht = 'NaturalGas', znht = 'NaturalGas', cl = 'DistrictCooling', zones) when 'VAV district chilled water with gas coil reheat' standard.model_add_hvac_system(self, 'VAV Gas Reheat', ht = 'NaturalGas', ht = 'NaturalGas', cl = 'DistrictCooling', zones) when 'VAV district chilled water with no reheat with baseboard electric' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'VAV district chilled water with no reheat with gas unit heaters' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'VAV district chilled water with no reheat with zone heat pump' standard.model_add_hvac_system(self, 'VAV No Reheat', ht = 'NaturalGas', znht = nil, cl = 'DistrictCooling', zones) # Using PTHP to represent zone heat pump to limit to one airloop per thermal zone. standard.model_add_hvac_system(self, 'PTHP', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'VRF' standard.model_add_hvac_system(self, 'VRF', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'Water source heat pumps fluid cooler with boiler' standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, heat_pump_loop_cooling_type: 'FluidCooler') when 'Water source heat pumps cooling tower with boiler' standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'NaturalGas', znht = nil, cl = 'Electricity', zones, heat_pump_loop_cooling_type: 'CoolingTower') when 'Water source heat pumps with ground source heat pump' standard.model_add_hvac_system(self, 'Ground Source Heat Pumps', ht = 'Electricity', znht = nil, cl = 'Electricity', zones) when 'Water source heat pumps district chilled water with district hot water' standard.model_add_hvac_system(self, 'Water Source Heat Pumps', ht = 'DistrictHeating', znht = nil, cl = 'DistrictCooling', zones) when 'Window AC with baseboard electric' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'Electricity', znht = nil, cl = nil, heated_zones) when 'Window AC with baseboard gas boiler' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Window AC with baseboard central air source heat pump' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'AirSourceHeatPump', znht = nil, cl = nil, heated_zones) when 'Window AC with baseboard district hot water' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Baseboards', ht = 'DistrictHeating', znht = nil, cl = nil, heated_zones) when 'Window AC with forced air furnace' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Forced Air Furnace', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Window AC with unit heaters' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) standard.model_add_hvac_system(self, 'Unit Heaters', ht = 'NaturalGas', znht = nil, cl = nil, heated_zones) when 'Window AC with no heat' standard.model_add_hvac_system(self, 'Window AC', ht = nil, znht = nil, cl = 'Electricity', cooled_zones) else return false end return true end end