fix(openstudio): Tweak so it works across multiple OpenStudio versions

Author: chriswmackey

honeybee_openstudio/hvac/standards/hvac_systems.py

@@ -4219,7 +4219,10 @@ def model_add_window_ac(model, thermal_zones):
             model, name='{} Window AC Cooling Coil'.format(zone_name),
             type='Window AC', cop=cop)
         clg_coil.setRatedSensibleHeatRatio(shr)
-        clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(773.3)
+        if model.version() < openstudio.VersionString('3.5.0'):
+            clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate(773.3)
+        else:
+            clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(773.3)
         clg_coil.setEvaporativeCondenserEffectiveness(0.9)
         clg_coil.setMaximumOutdoorDryBulbTemperatureForCrankcaseHeaterOperation(10)
         clg_coil.setBasinHeaterSetpointTemperature(2)
@@ -4326,8 +4329,11 @@ def model_add_furnace_central_ac(
                 type='Residential Central AC')
             clg_coil.setRatedSensibleHeatRatio(shr)
             clg_coil.setRatedCOP(eer_to_cop_no_fan(eer))
-            clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(
-                ac_w_per_cfm / FLOW_RATE.to_unit([1.0], 'm3/s', 'cfm')[0])
+            ac_w_per_mps = ac_w_per_cfm / FLOW_RATE.to_unit([1.0], 'm3/s', 'cfm')[0]
+            if model.version() < openstudio.VersionString('3.5.0'):
+                clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate(ac_w_per_mps)
+            else:
+                clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(ac_w_per_mps)
             clg_coil.setNominalTimeForCondensateRemovalToBegin(1000.0)
             clg_coil.setRatioOfInitialMoistureEvaporationRateAndSteadyStateLatentCapacity(1.5)
             clg_coil.setMaximumCyclingRate(3.0)
@@ -4478,8 +4484,11 @@ def model_add_central_air_source_heat_pump(
                 model, name='{} Cooling Coil'.format(loop_name),
                 type='Residential Central ASHP', cop=cop)
             clg_coil.setRatedSensibleHeatRatio(shr)
-            clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(
-                ac_w_per_cfm / FLOW_RATE.to_unit([1.0], 'm3/s', 'cfm')[0])
+            ac_w_per_mps = ac_w_per_cfm / FLOW_RATE.to_unit([1.0], 'm3/s', 'cfm')[0]
+            if model.version() < openstudio.VersionString('3.5.0'):
+                clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate(ac_w_per_mps)
+            else:
+                clg_coil.setRatedEvaporatorFanPowerPerVolumeFlowRate2017(ac_w_per_mps)
             clg_coil.setNominalTimeForCondensateRemovalToBegin(1000.0)
             clg_coil.setRatioOfInitialMoistureEvaporationRateAndSteadyStateLatentCapacity(1.5)
             clg_coil.setMaximumCyclingRate(3.0)

honeybee_openstudio/openstudio.py

@@ -167,4 +167,3 @@ def _os_create_vector_ironpython(val_list, vector):
 OSMonthOfYear = openstudio.MonthOfYear
 OSOutputVariable = openstudio_model.OutputVariable
 OSDesignDay = openstudio_model.DesignDay
-OSEpwFile = openstudio.EpwFile

honeybee_openstudio/simulation.py

@@ -8,8 +8,8 @@
 from ladybug.designday import ASHRAEClearSky, ASHRAETau
 
 from honeybee_openstudio.openstudio import OSModel, OSOutputVariable, \
-    OSDesignDay, OSEpwFile, OSRunPeriodControlSpecialDays, OSMonthOfYear, \
-    os_path, os_vector_len, openstudio_model
+    OSDesignDay, OSRunPeriodControlSpecialDays, OSMonthOfYear, \
+    openstudio, os_path, os_vector_len, openstudio_model
 
 STANDARD_MAP = {
     'DOE_Ref_Pre_1980': 'DOE Ref Pre-1980',
@@ -38,7 +38,10 @@ def assign_epw_to_model(epw_file, os_model, set_climate_zone=False):
     assert epw_file.lower().endswith('.epw'), \
         'The file does not have .epw extension: {}'.format(epw_file)
     full_path = os.path.abspath(epw_file)
-    os_epw = OSEpwFile(os_path(full_path))
+    try:
+        os_epw = openstudio.EpwFile(os_path(full_path))
+    except AttributeError:  # older bindings with no EPW module
+        return os_model
     openstudio_model.WeatherFile.setWeatherFile(os_model, os_epw)
     # set the ASHRAE climate zone if requested
     if set_climate_zone:

honeybee_openstudio/writer.py

@@ -439,7 +439,10 @@ def room_to_openstudio(room, os_model, adj_map=None, include_infiltration=True,
             os_space.setString(11, 'No')
         else:
             os_space.setPartofTotalFloorArea(False)
-    os_space.setVolume(room.volume)
+    try:
+        os_space.setVolume(room.volume)
+    except AttributeError:  # older OpenStudio bindings where method was not implemented
+        pass
 
     # assign the construction set if specified
     if room.properties.energy._construction_set is not None: