lib/to_openstudio/hvac/template.rb in honeybee-openstudio-2.7.5 vs lib/to_openstudio/hvac/template.rb in honeybee-openstudio-2.8.3

@@ -31,17 +31,19 @@
 
 require 'honeybee/hvac/template'
 
 require 'to_openstudio/model_object'
 
-require 'openstudio-standards'
-require_relative 'Model.hvac'
-
 module Honeybee
   class TemplateHVAC
 
     def to_openstudio(openstudio_model, room_ids)
+
+      # only load openstudio-standards when needed
+      require 'openstudio-standards'
+      require_relative 'Model.hvac'
+
       # get the defaults for the specific system type
       hvac_defaults = defaults(@hash[:type])
 
       # make the standard applier
       if @hash[:vintage]
@@ -80,18 +82,10 @@
             os_air_loop.setName(@hash[:display_name] + ' - ' + loop_name.get)
           end
         end
       end
 
-      # TODO: consider adding the ability to decentralize the plant by changing loop names
-      #os_hvac.each do |hvac_loop|
-      #  loop_name = hvac_loop.name
-      #  unless loop_name.empty?
-      #    hvac_loop.setName(@hash[:identifier] + ' - ' + loop_name.get)
-      #  end
-      #end
-
       # assign the economizer type if there's an air loop and the economizer is specified
       if @hash[:economizer_type] && @hash[:economizer_type] != 'Inferred' && os_air_loop
         oasys = os_air_loop.airLoopHVACOutdoorAirSystem
         unless oasys.empty?
             os_oasys = oasys.get
@@ -124,11 +118,19 @@
         erv.setLatentEffectivenessat100HeatingAirFlow(eff_at_max)
         erv.setLatentEffectivenessat75CoolingAirFlow(@hash[:latent_heat_recovery])
         erv.setLatentEffectivenessat75HeatingAirFlow(@hash[:latent_heat_recovery])
       end
 
+      # set all plants to non-coincident sizing to avoid simualtion control on design days
+      openstudio_model.getPlantLoops.each do |loop|
+        sizing = loop.sizingPlant
+        sizing.setSizingOption('NonCoincident')
+      end
+
       os_hvac
     end
+
+  private
 
     def get_existing_erv(os_air_loop)
       # get an existing heat ecovery unit from an air loop; will be nil if there is none
       os_air_loop.oaComponents.each do |supply_component|
         if not supply_component.to_HeatExchangerAirToAirSensibleAndLatent.empty?