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Versions: 12
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Contents
class ASHRAE9012019 < ASHRAE901
# @!group hvac_systems
# Determine which type of fan the cooling tower will have.
# Variable Speed Fan for ASHRAE 90.1-2019.
#
# @param model [OpenStudio::Model::Model] the model
# @return [String] the fan type: TwoSpeed Fan, Variable Speed Fan
def model_cw_loop_cooling_tower_fan_type(model)
fan_type = 'Variable Speed Fan'
return fan_type
end
# Create an economizer maximum OA fraction schedule with
# For ASHRAE 90.1 2019, a maximum of 75% to reflect damper leakage per PNNL
#
# @param air_loop_hvac [OpenStudio::Model::AirLoopHVAC] HVAC air loop object
# @param oa_control [OpenStudio::Model::ControllerOutdoorAir] Outdoor air controller object to have this maximum OA fraction schedule
# @param snc [String] System name
#
# @return [OpenStudio::Model::ScheduleRuleset] Generated maximum outdoor air fraction schedule for later use
def set_maximum_fraction_outdoor_air_schedule(air_loop_hvac, oa_control, snc)
max_oa_sch_name = "#{snc}maxOASch"
max_oa_sch = OpenStudio::Model::ScheduleRuleset.new(air_loop_hvac.model)
max_oa_sch.setName(max_oa_sch_name)
max_oa_sch.defaultDaySchedule.setName("#{max_oa_sch_name}Default")
max_oa_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), 0.75)
oa_control.setMaximumFractionofOutdoorAirSchedule(max_oa_sch)
max_oa_sch
end
end
Version data entries
12 entries across 12 versions & 1 rubygems