Apply example method for adding fan heat in sizing PTUnit

NREL · May 18, 2018 · 6f32653 · 6f32653 · nrel-bot · May 18, 2018
1 parent c025e0b
commit 6f32653
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diff --git a/src/EnergyPlus/DataSizing.cc b/src/EnergyPlus/DataSizing.cc
@@ -301,6 +301,8 @@ namespace DataSizing {
     Real64 DataWaterCoilSizCoolDeltaT(0.0);         // used for sizing cooling coil water design flow rate
     Real64 DataWaterCoilSizHeatDeltaT(0.0);         // used for sizing heating coil water design flow rate
     bool DataNomCapInpMeth(false);                  // True if heating coil is sized by CoilPerfInpMeth == NomCa
+    int DataFanEnumType(0);                         // Fan type used during sizing
+    int DataFanIndex(0);                            // Fan index used during sizing
 
     // Object Data
     Array1D<OARequirementsData> OARequirements;
@@ -446,6 +448,8 @@ namespace DataSizing {
         DataFractionUsedForSizing = 0.0;
         DataNonZoneNonAirloopValue = 0.0;
         DataZoneNumber = 0;
+        DataFanEnumType = 0;
+        DataFanIndex = 0;
         NumZoneHVACSizing = 0;
         NumAirTerminalSizingSpec = 0;
         NumAirTerminalUnits = 0;

diff --git a/src/EnergyPlus/DataSizing.hh b/src/EnergyPlus/DataSizing.hh
@@ -301,6 +301,8 @@ namespace DataSizing {
     extern Real64 DataWaterCoilSizCoolDeltaT;         // used for sizing cooling coil water design flow rate
     extern Real64 DataWaterCoilSizHeatDeltaT;         // used for sizing heating coil water design flow rate
     extern bool DataNomCapInpMeth;                    // True if heating coil is sized by CoilPerfInpMeth == NomCap
+    extern int DataFanEnumType;                       // Fan type used during sizing
+    extern int DataFanIndex;                          // Fan index used during sizing
 
     // Types
 

diff --git a/src/EnergyPlus/PackagedTerminalHeatPump.cc b/src/EnergyPlus/PackagedTerminalHeatPump.cc
@@ -4303,6 +4303,12 @@ namespace PackagedTerminalHeatPump {
         CompType = PTUnit(PTUnitNum).UnitType;
         CompName = PTUnit(PTUnitNum).Name;
         DataZoneNumber = PTUnit(PTUnitNum).ZonePtr;
+        if (PTUnit(PTUnitNum).FanType_Num == DataHVACGlobals::FanType_SystemModelObject) {
+            DataFanEnumType = DataAirSystems::objectVectorOOFanSystemModel;
+        } else {
+            DataFanEnumType = DataAirSystems::structArrayLegacyFanModels;
+        }
+        DataFanIndex = PTUnit(PTUnitNum).FanIndex;
 
         if (CurZoneEqNum > 0) {
             if (PTUnit(PTUnitNum).HVACSizingIndex > 0) {
@@ -5952,6 +5958,8 @@ namespace PackagedTerminalHeatPump {
                     ZoneEqSizing(CurZoneEqNum).Capacity = false;
                     ZoneEqSizing(CurZoneEqNum).CoolingCapacity = false;
                     ZoneEqSizing(CurZoneEqNum).HeatingCapacity = false;
+                    DataFanEnumType = 0;
+                    DataFanIndex = 0;
                 }
                 PTUnit(PTUnitNum).FirstPass = false;
             }

diff --git a/src/EnergyPlus/ReportSizingManager.cc b/src/EnergyPlus/ReportSizingManager.cc
@@ -1612,6 +1612,23 @@ namespace ReportSizingManager {
                                 CoilOutTemp = -999.0;
                             }
                         }
+                        if (DataFanEnumType > 0 && DataFanIndex > 0) {
+                            switch (DataFanEnumType) {
+                            case DataAirSystems::structArrayLegacyFanModels: {
+                                FanCoolLoad = FanDesHeatGain(DataFanIndex, DesVolFlow);
+                                break;
+                            }
+                            case DataAirSystems::objectVectorOOFanSystemModel: {
+                                FanCoolLoad = HVACFan::fanObjs[DataFanIndex]->getFanDesignHeatGain(DesVolFlow);
+                                break;
+                            }
+                            case DataAirSystems::fanModelTypeNotYetSet: {
+                                // do nothing
+                                break;
+                            }
+                            } // end switch
+                        }
+                        AutosizeDes += FanCoolLoad;
                     }
                     AutosizeDes = AutosizeDes * DataFracOfAutosizedCoolingCapacity;
                     if (DisplayExtraWarnings && AutosizeDes <= 0.0) {