Small tweak.

NREL · Oct 26, 2023 · a23d0d1 · a23d0d1
1 parent 2eb32c4
commit a23d0d1
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/HPXMLtoOpenStudio/measure.xml b/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>91ba7847-ee66-48f0-82c6-064d21192a1f</version_id>
-  <version_modified>2023-10-26T00:11:52Z</version_modified>
+  <version_id>ea992041-d692-4950-9c12-a5c62b6c076f</version_id>
+  <version_modified>2023-10-26T00:37:53Z</version_modified>
   <xml_checksum>D8922A73</xml_checksum>
   <class_name>HPXMLtoOpenStudio</class_name>
   <display_name>HPXML to OpenStudio Translator</display_name>
@@ -286,7 +286,7 @@
       <filename>hvac.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>CAB8AA25</checksum>
+      <checksum>239D708A</checksum>
     </file>
     <file>
       <filename>hvac_sizing.rb</filename>

diff --git a/HPXMLtoOpenStudio/resources/hvac.rb b/HPXMLtoOpenStudio/resources/hvac.rb
@@ -1156,7 +1156,7 @@ def self.set_cool_curves_central_air_source(runner, cooling_system, use_eer = fa
       clg_ap.cool_fan_speed_ratios = calc_fan_speed_ratios(clg_ap.cool_capacity_ratios, clg_ap.cool_rated_cfm_per_ton, clg_ap.cool_rated_airflow_rate)
       clg_ap.cool_cap_ft_spec, clg_ap.cool_eir_ft_spec = get_cool_cap_eir_ft_spec(cooling_system.compressor_type)
       clg_ap.cool_cap_fflow_spec, clg_ap.cool_eir_fflow_spec = get_cool_cap_eir_fflow_spec(cooling_system.compressor_type)
-      clg_ap.cool_rated_cops = [0.2752 * seer + 0.0228] # Regression based on inverse model
+      clg_ap.cool_rated_cops = [0.2773 * seer - 0.0018] # Regression based on inverse model
       clg_ap.cool_rated_cops << clg_ap.cool_rated_cops[0] * 0.91 # COP ratio based on Dylan's data as seen in BEopt 2.8 options
 
     elsif cooling_system.compressor_type == HPXML::HVACCompressorTypeVariableSpeed
@@ -1210,7 +1210,7 @@ def self.set_heat_curves_central_air_source(heating_system, use_cop = false)
       htg_ap.heat_cap_ft_spec, htg_ap.heat_eir_ft_spec = get_heat_cap_eir_ft_spec(heating_system.compressor_type, heating_capacity_retention_temp, heating_capacity_retention_fraction)
       htg_ap.heat_rated_airflow_rate = htg_ap.heat_rated_cfm_per_ton[-1]
       htg_ap.heat_fan_speed_ratios = calc_fan_speed_ratios(htg_ap.heat_capacity_ratios, htg_ap.heat_rated_cfm_per_ton, htg_ap.heat_rated_airflow_rate)
-      htg_ap.heat_rated_cops = [0.0305 * hspf**2 + 0.1013 * hspf + 0.937] # Regression based on inverse model
+      htg_ap.heat_rated_cops = [0.0426 * hspf**2 - 0.0747 * hspf + 1.5374] # Regression based on inverse model
       htg_ap.heat_rated_cops << htg_ap.heat_rated_cops[0] * 0.87 # COP ratio based on Dylan's data as seen in BEopt 2.8 options
 
     elsif heating_system.compressor_type == HPXML::HVACCompressorTypeVariableSpeed