From f968a2cdf0cb54b9601193697f886cb89ee1af1c Mon Sep 17 00:00:00 2001
From: Lixing Gu <gu@fsec.ucf.edu>
Date: Thu, 1 Aug 2024 10:11:51 -0400
Subject: [PATCH] Remove an unnecessary function

---
 .../include/AirflowNetwork/Solver.hpp         |  3 ---
 src/EnergyPlus/AirflowNetwork/src/Solver.cpp  | 24 -------------------
 2 files changed, 27 deletions(-)

diff --git a/src/EnergyPlus/AirflowNetwork/include/AirflowNetwork/Solver.hpp b/src/EnergyPlus/AirflowNetwork/include/AirflowNetwork/Solver.hpp
index 93e34b5669e..b3f013708e8 100644
--- a/src/EnergyPlus/AirflowNetwork/include/AirflowNetwork/Solver.hpp
+++ b/src/EnergyPlus/AirflowNetwork/include/AirflowNetwork/Solver.hpp
@@ -307,7 +307,6 @@ namespace AirflowNetwork {
         void venting_control(int i,                                         // AirflowNetwork surface number
                              Real64 &OpenFactor                             // Window or door opening factor (used to calculate airflow)
         );
-        void assign_fan_airloop();
         void validate_distribution();
         void validate_fan_flowrate(); // Catch a fan flow rate from EPlus input file and add a flag for VAV terminal damper
         void validate_exhaust_fan_input();
@@ -364,7 +363,6 @@ namespace AirflowNetwork {
         int NumOfOAFans = 0;              // number of OutdoorAir fans
         int NumOfReliefFans = 0;          // number of OutdoorAir relief fans
         bool AirflowNetworkGetInputFlag = true;
-        bool AssignFanAirLoopNumFlag = true;
         bool ValidateDistributionSystemFlag = true;
         Array1D<Real64> FacadeAng =
             Array1D<Real64>(5); // Facade azimuth angle (for walls, angle of outward normal to facade measured clockwise from North) (deg)
@@ -592,7 +590,6 @@ namespace AirflowNetwork {
             NumOfOAFans = 0;
             NumOfReliefFans = 0;
             AirflowNetworkGetInputFlag = true;
-            AssignFanAirLoopNumFlag = true;
             ValidateDistributionSystemFlag = true;
             FacadeAng = Array1D<Real64>(5);
             AirflowNetworkZnRpt.deallocate();
diff --git a/src/EnergyPlus/AirflowNetwork/src/Solver.cpp b/src/EnergyPlus/AirflowNetwork/src/Solver.cpp
index 058ea051962..fb175eb7226 100644
--- a/src/EnergyPlus/AirflowNetwork/src/Solver.cpp
+++ b/src/EnergyPlus/AirflowNetwork/src/Solver.cpp
@@ -269,12 +269,6 @@ namespace AirflowNetwork {
         // VAV terminal set only
         if (present(FirstHVACIteration) && FirstHVACIteration) VAVTerminalRatio = 0.0;
 
-        // Set AirLoop Number for fans
-        if (FirstHVACIteration && AssignFanAirLoopNumFlag) {
-            assign_fan_airloop();
-            AssignFanAirLoopNumFlag = false;
-        }
-
         if (AirflowNetworkFanActivated && distribution_simulated) {
             if (ValidateDistributionSystemFlag) {
                 validate_distribution();
@@ -10098,24 +10092,6 @@ namespace AirflowNetwork {
         }
     }
 
-    void Solver::assign_fan_airloop()
-    {
-        // Assign the system Fan AirLoop Number based on the zone inlet node
-
-        for (int i = 1; i <= AirflowNetworkNumOfZones; i++) {
-            for (int j = 1; j <= m_state.dataGlobal->NumOfZones; j++) {
-                if (!m_state.dataZoneEquip->ZoneEquipConfig(j).IsControlled) continue;
-                if ((MultizoneZoneData(i).ZoneNum == j) && (m_state.dataZoneEquip->ZoneEquipConfig(j).NumInletNodes > 0)) {
-                    for (int k = 1; k <= DisSysNumOfCVFs; k++) {
-                        if (DisSysCompCVFData(k).AirLoopNum == 0) {
-                            DisSysCompCVFData(k).AirLoopNum = m_state.dataZoneEquip->ZoneEquipConfig(j).InletNodeAirLoopNum(1);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
     void Solver::validate_distribution()
     {