lib/openstudio-standards/standards/Standards.AirTerminalSingleDuctVAVReheat.rb in openstudio-standards-0.2.5 vs lib/openstudio-standards/standards/Standards.AirTerminalSingleDuctVAVReheat.rb in openstudio-standards-0.2.6

@@ -41,14 +41,17 @@
   end
 
   # Sets the capacity of the reheat coil based on the minimum flow fraction,
   # and the maximum flow rate.
   def air_terminal_single_duct_vav_reheat_set_heating_cap(air_terminal_single_duct_vav_reheat)
-    flow_rate_fraction = air_terminal_single_duct_vav_reheat.constantMinimumAirFlowFraction
+    flow_rate_fraction = 0.0
+    if air_terminal_single_duct_vav_reheat.constantMinimumAirFlowFraction.is_initialized
+      flow_rate_fraction = air_terminal_single_duct_vav_reheat.constantMinimumAirFlowFraction.get
+    end
     if air_terminal_single_duct_vav_reheat.reheatCoil.to_CoilHeatingWater.is_initialized
       reheat_coil = air_terminal_single_duct_vav_reheat.reheatCoil.to_CoilHeatingWater.get
       if reheat_coil.autosizedRatedCapacity.to_f < 1.0e-6
-        cap = 1.2 * 1000.0 * air_terminal_single_duct_vav_reheat.constantMinimumAirFlowFraction * air_terminal_single_duct_vav_reheat.autosizedMaximumAirFlowRate.to_f * (18.0 - 13.0)
+        cap = 1.2 * 1000.0 * flow_rate_fraction * air_terminal_single_duct_vav_reheat.autosizedMaximumAirFlowRate.to_f * (18.0 - 13.0)
         reheat_coil.setPerformanceInputMethod('NominalCapacity')
         reheat_coil.setRatedCapacity(cap)
         air_terminal_single_duct_vav_reheat.setMaximumReheatAirTemperature(18.0)
       end
     end