From 748b978922eaf81e1e3d96bdcc6fe9a92087a390 Mon Sep 17 00:00:00 2001
From: mjwitte <mjwitte@gard.com>
Date: Thu, 10 Oct 2019 16:49:32 -0500
Subject: [PATCH] Remove AirTerminal:SingleDuct:Uncontrolled - fix system
 sizing and other cleanup

---
 src/EnergyPlus/MixedAir.cc      | 1 +
 src/EnergyPlus/SingleDuct.cc    | 4 ++--
 src/EnergyPlus/SizingManager.cc | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/EnergyPlus/MixedAir.cc b/src/EnergyPlus/MixedAir.cc
index dcdc87e60d0..2b5f76a941b 100644
--- a/src/EnergyPlus/MixedAir.cc
+++ b/src/EnergyPlus/MixedAir.cc
@@ -1892,6 +1892,7 @@ namespace MixedAir {
                                                     if (UtilityRoutines::SameString(ZoneEquipList(EquipListNum).EquipName(EquipNum),
                                                                                     AirDistUnit(ADUNum).Name)) {
                                                         if ((AirDistUnit(ADUNum).EquipType_Num(EquipNum) == SingleDuctVAVReheat) ||
+                                                            (AirDistUnit(ADUNum).EquipType_Num(EquipNum) == SingleDuctConstVolNoReheat) ||
                                                             (AirDistUnit(ADUNum).EquipType_Num(EquipNum) == SingleDuctConstVolReheat) ||
                                                             (AirDistUnit(ADUNum).EquipType_Num(EquipNum) == SingleDuctVAVNoReheat) ||
                                                             (AirDistUnit(ADUNum).EquipType_Num(EquipNum) == SingleDuctVAVReheatVSFan) ||
diff --git a/src/EnergyPlus/SingleDuct.cc b/src/EnergyPlus/SingleDuct.cc
index 90b3d08f4c2..0c9efe3b1e2 100644
--- a/src/EnergyPlus/SingleDuct.cc
+++ b/src/EnergyPlus/SingleDuct.cc
@@ -1057,7 +1057,7 @@ namespace SingleDuct {
             }
             Sys(SysNum).ReheatAirOutletNode = Sys(SysNum).OutletNodeNum;
             Sys(SysNum).MaxAirVolFlowRate = Numbers(1);
-            Sys(SysNum).ZoneMinAirFrac = 0.0;
+            Sys(SysNum).ZoneMinAirFrac = 1.0;
             Sys(SysNum).ZoneMinAirFracMethod = MinFracNotUsed;
             Sys(SysNum).DamperHeatingAction = HeatingActionNotUsed;
             if (Sys(SysNum).ReheatComp_Num == HCoilType_SteamAirHeating) {
@@ -1197,7 +1197,7 @@ namespace SingleDuct {
                                                           cAlphaFields(4));
 
             Sys(SysNum).MaxAirVolFlowRate = Numbers(1);
-            Sys(SysNum).ZoneMinAirFrac = 0.0;
+            Sys(SysNum).ZoneMinAirFrac = 1.0;
             Sys(SysNum).ZoneMinAirFracMethod = MinFracNotUsed;
             Sys(SysNum).DamperHeatingAction = HeatingActionNotUsed;
 
diff --git a/src/EnergyPlus/SizingManager.cc b/src/EnergyPlus/SizingManager.cc
index ecf0eac74fa..4ff0edd019f 100644
--- a/src/EnergyPlus/SizingManager.cc
+++ b/src/EnergyPlus/SizingManager.cc
@@ -899,7 +899,8 @@ namespace SizingManager {
                             DataSizing::VpzClgByZone(termUnitSizingIndex) =
                                 SingleDuct::Sys(singleDuctATUNum).MaxAirVolFlowRate; // store std 62.1 values
 
-                            if (SingleDuct::Sys(singleDuctATUNum).SysType_Num == SingleDuct::SingleDuctConstVolReheat) {
+                            if (SingleDuct::Sys(singleDuctATUNum).SysType_Num == SingleDuct::SingleDuctConstVolReheat ||
+                                SingleDuct::Sys(singleDuctATUNum).SysType_Num == SingleDuct::SingleDuctConstVolNoReheat) {
                                 airLoopHeatingMinimumFlowRateSum += SingleDuct::Sys(singleDuctATUNum).MaxAirVolFlowRate;
                                 airLoopHeatingMaximumFlowRateSum += SingleDuct::Sys(singleDuctATUNum).MaxAirVolFlowRate;