Merge pull request #1751 from NREL/mj_blower_heat_and_piping

MJ blower fan heat and piping inputs

Author: shorowit

Changelog.md

@@ -2,6 +2,8 @@
 
 __New Features__
 - Adds inputs for modeling skylight curbs and/or shafts.
+- HVAC Manual J design load and sizing calculations:
+  - Adds optional inputs and outputs for blower fan heat and piping load.
 - Advanced research features:
   - Maximum power ratio detailed schedule for variable-speed HVAC systems can now be used with `NumberofUnits` dwelling unit multiplier.
 

HPXMLtoOpenStudio/measure.xml

@@ -3,8 +3,8 @@
   <schema_version>3.1</schema_version>
   <name>hpxm_lto_openstudio</name>
   <uid>b1543b30-9465-45ff-ba04-1d1f85e763bc</uid>
-  <version_id>381502ab-7765-4f0b-a10b-78f2efc7bfd3</version_id>
-  <version_modified>2024-06-17T18:00:58Z</version_modified>
+  <version_id>e3cf35e9-a352-4b87-9862-1b4c43330a84</version_id>
+  <version_modified>2024-06-17T22:16:28Z</version_modified>
   <xml_checksum>D8922A73</xml_checksum>
   <class_name>HPXMLtoOpenStudio</class_name>
   <display_name>HPXML to OpenStudio Translator</display_name>
@@ -339,19 +339,19 @@
       <filename>hotwater_appliances.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>124A8828</checksum>
+      <checksum>DC5153B2</checksum>
     </file>
     <file>
       <filename>hpxml.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>B1E551FB</checksum>
+      <checksum>FEEDB03A</checksum>
     </file>
     <file>
       <filename>hpxml_defaults.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>1F33E8E0</checksum>
+      <checksum>EA81001E</checksum>
     </file>
     <file>
       <filename>hpxml_schema/HPXML.xsd</filename>
@@ -369,7 +369,7 @@
       <filename>hpxml_schematron/EPvalidator.xml</filename>
       <filetype>xml</filetype>
       <usage_type>resource</usage_type>
-      <checksum>86A23E4E</checksum>
+      <checksum>E9004049</checksum>
     </file>
     <file>
       <filename>hpxml_schematron/iso-schematron.xsd</filename>
@@ -387,7 +387,7 @@
       <filename>hvac_sizing.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>58F3C17A</checksum>
+      <checksum>C4D7EF6D</checksum>
     </file>
     <file>
       <filename>lighting.rb</filename>
@@ -429,7 +429,7 @@
       <filename>output.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>69B65815</checksum>
+      <checksum>75C259E5</checksum>
     </file>
     <file>
       <filename>psychrometrics.rb</filename>
@@ -639,7 +639,7 @@
       <filename>test_defaults.rb</filename>
       <filetype>rb</filetype>
       <usage_type>test</usage_type>
-      <checksum>FD16E4B2</checksum>
+      <checksum>EF2DA229</checksum>
     </file>
     <file>
       <filename>test_enclosure.rb</filename>
@@ -669,7 +669,7 @@
       <filename>test_hvac_sizing.rb</filename>
       <filetype>rb</filetype>
       <usage_type>test</usage_type>
-      <checksum>4DA78186</checksum>
+      <checksum>36E97140</checksum>
     </file>
     <file>
       <filename>test_lighting.rb</filename>

HPXMLtoOpenStudio/resources/hotwater_appliances.rb

@@ -952,7 +952,7 @@ def self.refrigerator_or_freezer_coefficients_schedule(model, col_name, obj_name
   # @param has_uncond_bsmnt [TODO] TODO
   # @param has_cond_bsmnt [TODO] TODO
   # @param cfa [Double] Conditioned floor area in the dwelling unit (ft^2)
-  # @param ncfl [TODO] TODO
+  # @param ncfl [Double] Total number of conditioned floors in the dwelling unit
   # @param water_heating_system [TODO] TODO
   # @param hot_water_distribution [TODO] TODO
   # @return [TODO] TODO
@@ -988,7 +988,7 @@ def self.get_dist_energy_consumption_adjustment(has_uncond_bsmnt, has_cond_bsmnt
   # @param has_uncond_bsmnt [TODO] TODO
   # @param has_cond_bsmnt [TODO] TODO
   # @param cfa [Double] Conditioned floor area in the dwelling unit (ft^2)
-  # @param ncfl [TODO] TODO
+  # @param ncfl [Double] Total number of conditioned floors in the dwelling unit
   # @return [TODO] TODO
   def self.get_default_std_pipe_length(has_uncond_bsmnt, has_cond_bsmnt, cfa, ncfl)
     # ANSI/RESNET 301-2014 Addendum A-2015
@@ -1314,7 +1314,7 @@ def self.get_water_gains_sens_lat(nbeds, general_water_use_usage_multiplier = 1.
   # @param has_uncond_bsmnt [TODO] TODO
   # @param has_cond_bsmnt [TODO] TODO
   # @param cfa [Double] Conditioned floor area in the dwelling unit (ft^2)
-  # @param ncfl [TODO] TODO
+  # @param ncfl [Double] Total number of conditioned floors in the dwelling unit
   # @param hot_water_distribution [TODO] TODO
   # @param frac_low_flow_fixtures [TODO] TODO
   # @param fixtures_usage_multiplier [TODO] TODO

HPXMLtoOpenStudio/resources/hpxml.rb

@@ -497,7 +497,8 @@ class HPXML < Object
                 hdl_slabs: 'Slabs',
                 hdl_ceilings: 'Ceilings',
                 hdl_infil: 'Infiltration',
-                hdl_vent: 'Ventilation' }
+                hdl_vent: 'Ventilation',
+                hdl_piping: 'Piping' }
   CDL_SENS_ATTRS = { cdl_sens_total: 'Total',
                      cdl_sens_ducts: 'Ducts',
                      cdl_sens_windows: 'Windows',
@@ -511,6 +512,7 @@ class HPXML < Object
                      cdl_sens_infil: 'Infiltration',
                      cdl_sens_vent: 'Ventilation',
                      cdl_sens_intgains: 'InternalLoads',
+                     cdl_sens_blowerheat: 'BlowerHeat',
                      cdl_sens_aedexcursion: 'AEDExcursion',
                      cdl_sens_aed_curve: 'AEDCurve' }
   CDL_LAT_ATTRS = { cdl_lat_total: 'Total',
@@ -4776,7 +4778,8 @@ def initialize(hpxml_object, *args, **kwargs)
              :third_party_certification, :htg_seed_id, :is_shared_system, :number_of_units_served,
              :shared_loop_watts, :shared_loop_motor_efficiency, :fan_coil_watts, :fan_watts_per_cfm,
              :airflow_defect_ratio, :fan_watts, :heating_airflow_cfm, :location, :primary_system,
-             :pilot_light, :pilot_light_btuh, :electric_resistance_distribution, :heating_autosizing_factor, :heating_autosizing_limit]
+             :pilot_light, :pilot_light_btuh, :electric_resistance_distribution, :heating_autosizing_factor,
+             :heating_autosizing_limit]
     attr_accessor(*ATTRS)
     attr_reader(:heating_detailed_performance_data)
 
@@ -5776,7 +5779,8 @@ def initialize(hpxml_bldg, *args, **kwargs)
       super(hpxml_bldg, *args, **kwargs)
     end
     ATTRS = [:id, :distribution_system_type, :annual_heating_dse, :annual_cooling_dse, :duct_system_sealed,
-             :conditioned_floor_area_served, :number_of_return_registers, :air_type, :hydronic_type]
+             :conditioned_floor_area_served, :number_of_return_registers, :air_type, :hydronic_type,
+             :manualj_blower_fan_heat_btuh, :manualj_hot_water_piping_btuh]
     attr_accessor(*ATTRS)
     attr_reader(:duct_leakage_measurements, :ducts)
 
@@ -5857,15 +5861,23 @@ def to_doc(building)
       end
 
       if [HPXML::HVACDistributionTypeHydronic].include? @distribution_system_type
-        distribution = XMLHelper.get_element(hvac_distribution, 'DistributionSystemType/HydronicDistribution')
-        XMLHelper.add_element(distribution, 'HydronicDistributionType', @hydronic_type, :string) unless @hydronic_type.nil?
+        hydronic_distribution = XMLHelper.get_element(hvac_distribution, 'DistributionSystemType/HydronicDistribution')
+        XMLHelper.add_element(hydronic_distribution, 'HydronicDistributionType', @hydronic_type, :string) unless @hydronic_type.nil?
+        if not @manualj_hot_water_piping_btuh.nil?
+          manualj_inputs = XMLHelper.create_elements_as_needed(hydronic_distribution, ['extension', 'ManualJInputs'])
+          XMLHelper.add_element(manualj_inputs, 'HotWaterPipingBtuh', @manualj_hot_water_piping_btuh, :float, @manualj_hot_water_piping_btuh_isdefaulted)
+        end
       end
       if [HPXML::HVACDistributionTypeAir].include? @distribution_system_type
-        distribution = XMLHelper.get_element(hvac_distribution, 'DistributionSystemType/AirDistribution')
-        XMLHelper.add_element(distribution, 'AirDistributionType', @air_type, :string) unless @air_type.nil?
-        @duct_leakage_measurements.to_doc(distribution)
-        @ducts.to_doc(distribution)
-        XMLHelper.add_element(distribution, 'NumberofReturnRegisters', @number_of_return_registers, :integer, @number_of_return_registers_isdefaulted) unless @number_of_return_registers.nil?
+        air_distribution = XMLHelper.get_element(hvac_distribution, 'DistributionSystemType/AirDistribution')
+        XMLHelper.add_element(air_distribution, 'AirDistributionType', @air_type, :string) unless @air_type.nil?
+        @duct_leakage_measurements.to_doc(air_distribution)
+        @ducts.to_doc(air_distribution)
+        XMLHelper.add_element(air_distribution, 'NumberofReturnRegisters', @number_of_return_registers, :integer, @number_of_return_registers_isdefaulted) unless @number_of_return_registers.nil?
+        if not @manualj_blower_fan_heat_btuh.nil?
+          manualj_inputs = XMLHelper.create_elements_as_needed(air_distribution, ['extension', 'ManualJInputs'])
+          XMLHelper.add_element(manualj_inputs, 'BlowerFanHeatBtuh', @manualj_blower_fan_heat_btuh, :float, @manualj_blower_fan_heat_btuh_isdefaulted)
+        end
       end
 
       if not @duct_system_sealed.nil?
@@ -5892,12 +5904,14 @@ def from_doc(hvac_distribution)
 
       if not hydronic_distribution.nil?
         @hydronic_type = XMLHelper.get_value(hydronic_distribution, 'HydronicDistributionType', :string)
+        @manualj_hot_water_piping_btuh = XMLHelper.get_value(hydronic_distribution, 'extension/ManualJInputs/HotWaterPipingBtuh', :float)
       end
       if not air_distribution.nil?
         @air_type = XMLHelper.get_value(air_distribution, 'AirDistributionType', :string)
         @number_of_return_registers = XMLHelper.get_value(air_distribution, 'NumberofReturnRegisters', :integer)
         @duct_leakage_measurements.from_doc(air_distribution)
         @ducts.from_doc(air_distribution)
+        @manualj_blower_fan_heat_btuh = XMLHelper.get_value(air_distribution, 'extension/ManualJInputs/BlowerFanHeatBtuh', :float)
       end
     end
   end