# Extend the class to add Medium Office specific stuff
class OpenStudio::Model::Model
def define_space_type_map(building_type, building_vintage, climate_zone)
space_type_map = nil
case building_vintage
when 'DOE Ref Pre-1980'
space_type_map = {
'Dining' => ['Dining'],
'Kitchen' => ['Kitchen']
}
when 'DOE Ref 1980-2004','90.1-2010','90.1-2007','90.1-2004','90.1-2013'
space_type_map = {
'Dining' => ['Dining'],
'Kitchen' => ['Kitchen'],
'Attic' => ['attic']
}
end
return space_type_map
end
def define_hvac_system_map(building_type, building_vintage, climate_zone)
case building_vintage
when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
system_to_space_map = [
{
'type' => 'PSZ-AC',
'space_names' => ['Dining', 'Kitchen']
},
{
'type' => 'Exhaust Fan',
'name' => 'Dining Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood HVACOperationSchd',
'flow_rate' => 0.834532374,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => nil,
'space_names' =>
[
'Dining'
]
},
{
'type' => 'Exhaust Fan',
'name' => 'Kitchen Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood HVACOperationSchd',
'flow_rate' => 0.722467626,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => nil,
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Walkin Freezer',
'cooling_capacity_per_length' => 688,
'length' => 2.44,
'evaporator_fan_pwr_per_length' => 74,
'lighting_per_length' => 33,
'lighting_sch_name' => 'QuickServiceRestaurant Bldg Light',
'defrost_pwr_per_length' => 1291.7,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:1_WALKINFREEZER_WalkInStockingSched',
'cop' => 1.5,
'cop_f_of_t_curve_name' => 'RACK1_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Display Case',
'cooling_capacity_per_length' => 734.0,
'length' => 3.05,
'evaporator_fan_pwr_per_length' => 66,
'lighting_per_length' => 33.0,
'lighting_sch_name' => 'QuickServiceRestaurant Bldg Light',
'defrost_pwr_per_length' => 0.0,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:2_SELFCONTAINEDDISPLAYCASE_CaseStockingSched',
'cop' => 3.0,
'cop_f_of_t_curve_name' => 'RACK2_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => nil,
'space_names' =>
[
'Kitchen'
]
}
]
when '90.1-2004'
system_to_space_map = [
{
'type' => 'PSZ-AC',
'space_names' => ['Dining', 'Kitchen']
},
{
'type' => 'Exhaust Fan',
'name' => 'Kitchen Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 1.557427,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => 'RestaurantFastFood Kitchen Exhaust Fan Balanced Exhaust Fraction Schedule_2004',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Exhaust Fan',
'name' => 'Dining Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 0.826233,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => nil,
'space_names' =>
[
'Dining'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Walkin Freezer',
'cooling_capacity_per_length' => 688,
'length' => 2.44,
'evaporator_fan_pwr_per_length' => 74,
'lighting_per_length' => 33,
'lighting_sch_name' => 'RestaurantFastFood BLDG_LIGHT_DINING_SCH_2004_2007',
'defrost_pwr_per_length' => 1291.7,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:1_WALKINFREEZER_WalkInStockingSched',
'cop' => 1.5,
'cop_f_of_t_curve_name' => 'RACK1_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Display Case',
'cooling_capacity_per_length' => 734.0,
'length' => 3.05,
'evaporator_fan_pwr_per_length' => 66,
'lighting_per_length' => 33.0,
'lighting_sch_name' => 'RestaurantFastFood BLDG_LIGHT_DINING_SCH_2004_2007',
'defrost_pwr_per_length' => 0.0,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:2_SELFCONTAINEDDISPLAYCASE_CaseStockingSched',
'cop' => 3.0,
'cop_f_of_t_curve_name' => 'RACK2_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => nil,
'space_names' =>
[
'Kitchen'
]
}
]
when '90.1-2007', '90.1-2010'
system_to_space_map = [
{
'type' => 'PSZ-AC',
'space_names' => ['Dining', 'Kitchen']
},
{
'type' => 'Exhaust Fan',
'name' => 'Kitchen Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 1.557427,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => 'RestaurantFastFood Kitchen Exhaust Fan Balanced Exhaust Fraction Schedule_2007_2010_2013',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Exhaust Fan',
'name' => 'Dining Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 0.416,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => nil,
'space_names' =>
[
'Dining'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Walkin Freezer',
'cooling_capacity_per_length' => 688,
'length' => 2.44,
'evaporator_fan_pwr_per_length' => 74,
'lighting_per_length' => 33,
'lighting_sch_name' => 'RestaurantFastFood BLDG_LIGHT_DINING_SCH_2004_2007',
'defrost_pwr_per_length' => 1291.7,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:1_WALKINFREEZER_WalkInStockingSched',
'cop' => 1.5,
'cop_f_of_t_curve_name' => 'RACK1_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Display Case',
'cooling_capacity_per_length' => 734.0,
'length' => 3.05,
'evaporator_fan_pwr_per_length' => 66,
'lighting_per_length' => 33.0,
'lighting_sch_name' => 'RestaurantFastFood BLDG_LIGHT_DINING_SCH_2004_2007',
'defrost_pwr_per_length' => 0.0,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:2_SELFCONTAINEDDISPLAYCASE_CaseStockingSched',
'cop' => 3.0,
'cop_f_of_t_curve_name' => 'RACK2_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => nil,
'space_names' =>
[
'Kitchen'
]
}
]
when '90.1-2013'
system_to_space_map = [
{
'type' => 'PSZ-AC',
'space_names' => ['Dining', 'Kitchen']
},
{
'type' => 'Exhaust Fan',
'name' => 'Kitchen Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 1.557427,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => 'RestaurantFastFood Kitchen Exhaust Fan Balanced Exhaust Fraction Schedule_2007_2010_2013',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Exhaust Fan',
'name' => 'Dining Exhaust Fan',
'availability_sch_name' => 'RestaurantFastFood Hours_of_operation',
'flow_rate' => 0.416,
'flow_fraction_schedule_name' => nil,
'balanced_exhaust_fraction_schedule_name' => nil,
'space_names' =>
[
'Dining'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Walkin Freezer',
'cooling_capacity_per_length' => 688,
'length' => 2.44,
'evaporator_fan_pwr_per_length' => 21.143,
'lighting_per_length' => 33,
'lighting_sch_name' => 'RestaurantFastFood walkin_occ_lght_SCH',
'defrost_pwr_per_length' => 1291.7,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:1_WALKINFREEZER_WalkInStockingSched',
'cop' => 1.5,
'cop_f_of_t_curve_name' => 'RACK1_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
'space_names' =>
[
'Kitchen'
]
},
{
'type' => 'Refrigeration',
'case_type' => 'Display Case',
'cooling_capacity_per_length' => 734.0,
'length' => 3.05,
'evaporator_fan_pwr_per_length' => 18.857,
'lighting_per_length' => 33.0,
'lighting_sch_name' => 'RestaurantFastFood walkin_occ_lght_SCH',
'defrost_pwr_per_length' => 0.0,
'restocking_sch_name' => 'RestaurantFastFood Kitchen_Case:2_SELFCONTAINEDDISPLAYCASE_CaseStockingSched',
'cop' => 3.0,
'cop_f_of_t_curve_name' => 'RACK2_RackCOPfTCurve',
'condenser_fan_pwr' => 330,
'condenser_fan_pwr_curve_name' => nil,
'space_names' =>
[
'Kitchen'
]
}
]
end
return system_to_space_map
end
def custom_hvac_tweaks(building_type, building_vintage, climate_zone, prototype_input)
OpenStudio::logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific adjustments')
# add extra equipment for kitchen
self.add_extra_equip_kitchen(building_vintage)
# add extra infiltration for dining room door and attic
self.add_door_infiltration(building_vintage,climate_zone)
# add zone_mixing between kitchen and dining
self.add_zone_mixing(building_vintage)
# Update Sizing Zone
self.update_sizing_zone(building_vintage)
# adjust the cooling setpoint
self.adjust_clg_setpoint(building_vintage,climate_zone)
# reset the design OA of kitchen
self.reset_kitchen_OA(building_vintage)
OpenStudio::logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished building type specific adjustments')
return true
end
def add_door_infiltration(building_vintage,climate_zone)
# add extra infiltration for dining room door and attic (there is no attic in 'DOE Ref Pre-1980')
unless building_vintage == 'DOE Ref 1980-2004' or building_vintage == 'DOE Ref Pre-1980'
dining_space = self.getSpaceByName('Dining').get
attic_space = self.getSpaceByName('Attic').get
infiltration_diningdoor = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(self)
infiltration_attic = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(self)
infiltration_diningdoor.setName("Dining door Infiltration")
infiltration_per_zone_diningdoor = 0
infiltration_per_zone_attic = 0.0729
if building_vintage == '90.1-2004'
infiltration_per_zone_diningdoor = 0.902834611
infiltration_diningdoor.setSchedule(add_schedule('RestaurantFastFood DOOR_INFIL_SCH'))
elsif building_vintage == '90.1-2007'
case climate_zone
when 'ASHRAE 169-2006-1A', 'ASHRAE 169-2006-2A', 'ASHRAE 169-2006-2B', 'ASHRAE 169-2006-3A', 'ASHRAE 169-2006-3B',
'ASHRAE 169-2006-3C', 'ASHRAE 169-2006-4A', 'ASHRAE 169-2006-4B', 'ASHRAE 169-2006-4C'
infiltration_per_zone_diningdoor = 0.902834611
infiltration_diningdoor.setSchedule(add_schedule('RestaurantFastFood DOOR_INFIL_SCH'))
else
infiltration_per_zone_diningdoor = 0.583798439
infiltration_diningdoor.setSchedule(add_schedule('RestaurantFastFood VESTIBULE_DOOR_INFIL_SCH'))
end
elsif building_vintage == '90.1-2010' or '90.1-2013'
case climate_zone
when 'ASHRAE 169-2006-1A', 'ASHRAE 169-2006-2A', 'ASHRAE 169-2006-2B', 'ASHRAE 169-2006-3A', 'ASHRAE 169-2006-3B', 'ASHRAE 169-2006-3C'
infiltration_per_zone_diningdoor = 0.902834611
infiltration_diningdoor.setSchedule(add_schedule('RestaurantFastFood DOOR_INFIL_SCH'))
else
infiltration_per_zone_diningdoor = 0.583798439
infiltration_diningdoor.setSchedule(add_schedule('RestaurantFastFood VESTIBULE_DOOR_INFIL_SCH'))
end
end
infiltration_diningdoor.setDesignFlowRate(infiltration_per_zone_diningdoor)
infiltration_diningdoor.setSpace(dining_space)
infiltration_attic.setDesignFlowRate(infiltration_per_zone_attic)
infiltration_attic.setSchedule(add_schedule('Always On'))
infiltration_attic.setSpace(attic_space)
end
end
# add extra equipment for kitchen
def add_extra_equip_kitchen(building_vintage)
kitchen_space = self.getSpaceByName('Kitchen')
kitchen_space = kitchen_space.get
kitchen_space_type = kitchen_space.spaceType.get
elec_equip_def1 = OpenStudio::Model::ElectricEquipmentDefinition.new(self)
elec_equip_def2 = OpenStudio::Model::ElectricEquipmentDefinition.new(self)
elec_equip_def1.setName("Kitchen Electric Equipment Definition1")
elec_equip_def2.setName("Kitchen Electric Equipment Definition2")
case building_vintage
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 building_vintage == '90.1-2013'
elec_equip_def1.setDesignLevel(457.5)
elec_equip_def2.setDesignLevel(570)
else
elec_equip_def1.setDesignLevel(515.917)
elec_equip_def2.setDesignLevel(851.67)
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(add_schedule("RestaurantFastFood ALWAYS_ON"))
elec_equip2.setSchedule(add_schedule("RestaurantFastFood ALWAYS_ON"))
when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
elec_equip_def1.setDesignLevel(577)
elec_equip_def1.setFractionLatent(0)
elec_equip_def1.setFractionRadiant(0)
elec_equip_def1.setFractionLost(1)
# Create the electric equipment instance and hook it up to the space type
elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1)
elec_equip1.setName("Kitchen_ExhFan_Equip")
elec_equip1.setSpaceType(kitchen_space_type)
elec_equip1.setSchedule(add_schedule("RestaurantFastFood Kitchen_Exhaust_SCH"))
end
end
def update_sizing_zone(building_vintage)
case building_vintage
when '90.1-2007', '90.1-2010', '90.1-2013'
zone_sizing = self.getSpaceByName('Dining').get.thermalZone.get.sizingZone
zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.003581176)
zone_sizing = self.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
when '90.1-2004'
zone_sizing = self.getSpaceByName('Dining').get.thermalZone.get.sizingZone
zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.007111554)
zone_sizing = self.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
end
end
def adjust_clg_setpoint(building_vintage,climate_zone)
['Dining','Kitchen'].each do |space_name|
space_type_name = self.getSpaceByName(space_name).get.spaceType.get.name.get
thermostat_name = space_type_name + ' Thermostat'
thermostat = self.getThermostatSetpointDualSetpointByName(thermostat_name).get
case building_vintage
when '90.1-2004', '90.1-2007', '90.1-2010'
if climate_zone == 'ASHRAE 169-2006-2B' || climate_zone == 'ASHRAE 169-2006-1B' || climate_zone == 'ASHRAE 169-2006-3B'
case space_name
when 'Dining'
thermostat.setCoolingSetpointTemperatureSchedule(add_schedule("RestaurantFastFood CLGSETP_SCH_NO_OPTIMUM"))
when 'Kitchen'
thermostat.setCoolingSetpointTemperatureSchedule(add_schedule("RestaurantFastFood CLGSETP_KITCHEN_SCH_NO_OPTIMUM"))
end
end
end
end
end
# In order to provide sufficient OSA to replace exhaust flow through kitchen hoods (3,300 cfm),
# modeled OSA to kitchen is different from OSA determined based on ASHRAE 62.1.
# It takes into account the available OSA in dining as transfer air.
def reset_kitchen_OA(building_vintage)
space_kitchen = self.getSpaceByName('Kitchen').get
ventilation = space_kitchen.designSpecificationOutdoorAir.get
ventilation.setOutdoorAirFlowperPerson(0)
ventilation.setOutdoorAirFlowperFloorArea(0)
case building_vintage
when '90.1-2007', '90.1-2010', '90.1-2013'
ventilation.setOutdoorAirFlowRate(1.14135966)
when '90.1-2004', 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
ventilation.setOutdoorAirFlowRate(0.7312)
end
end
def update_exhaust_fan_efficiency(building_vintage)
case building_vintage
when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
self.getFanZoneExhausts.sort.each do |exhaust_fan|
fan_name = exhaust_fan.name.to_s
if fan_name.include? "Dining"
exhaust_fan.setFanEfficiency(1)
exhaust_fan.setPressureRise(0)
end
end
when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
self.getFanZoneExhausts.sort.each do |exhaust_fan|
exhaust_fan.setFanEfficiency(1)
exhaust_fan.setPressureRise(0.000001)
end
end
end
def add_zone_mixing(building_vintage)
# add zone_mixing between kitchen and dining
space_kitchen = self.getSpaceByName('Kitchen').get
zone_kitchen = space_kitchen.thermalZone.get
space_dining = self.getSpaceByName('Dining').get
zone_dining = space_dining.thermalZone.get
zone_mixing_kitchen = OpenStudio::Model::ZoneMixing.new(zone_kitchen)
zone_mixing_kitchen.setSchedule(add_schedule('RestaurantFastFood Hours_of_operation'))
case building_vintage
when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
zone_mixing_kitchen.setDesignFlowRate(0.834532374)
when '90.1-2007', '90.1-2010', '90.1-2013'
zone_mixing_kitchen.setDesignFlowRate(0.416067345)
when '90.1-2004'
zone_mixing_kitchen.setDesignFlowRate(0.826232888)
end
zone_mixing_kitchen.setSourceZone(zone_dining)
zone_mixing_kitchen.setDeltaTemperature(0)
end
def update_waterheater_loss_coefficient(building_vintage)
case building_vintage
when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
self.getWaterHeaterMixeds.sort.each do |water_heater|
water_heater.setOffCycleLossCoefficienttoAmbientTemperature(7.561562668)
water_heater.setOnCycleLossCoefficienttoAmbientTemperature(7.561562668)
end
end
end
def custom_swh_tweaks(building_type, building_vintage, climate_zone, prototype_input)
self.update_waterheater_loss_coefficient(building_vintage)
return true
end
end