From 7e8f062ec2b8983ab726a676989692cdbddf01a5 Mon Sep 17 00:00:00 2001
From: Julien Marrec <julien.marrec@gmail.com>
Date: Mon, 18 Sep 2023 21:09:23 +0200
Subject: [PATCH] Potential fix for #4963 - When Method is None or empty,
 doesn't matter if the flow rate is Autosized, it takes precendence

cf https://github.com/NREL/EnergyPlus/blob/4502b0c6561281693f837217eb99339372b86abd/src/EnergyPlus/UnitarySystem.cc#L6080-L6081
---
 src/model/AirLoopHVACUnitarySystem.cpp            | 2 +-
 src/model/test/AirLoopHVACUnitarySystem_GTest.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/model/AirLoopHVACUnitarySystem.cpp b/src/model/AirLoopHVACUnitarySystem.cpp
index 02fdd8168c2..83d74760264 100644
--- a/src/model/AirLoopHVACUnitarySystem.cpp
+++ b/src/model/AirLoopHVACUnitarySystem.cpp
@@ -1391,7 +1391,7 @@ namespace model {
     OS_ASSERT(ok);
     getImpl<detail::AirLoopHVACUnitarySystem_Impl>()->setSupplyAirFlowRateMethodDuringCoolingOperation("None");
     getImpl<detail::AirLoopHVACUnitarySystem_Impl>()->setSupplyAirFlowRateMethodDuringHeatingOperation("None");
-    autosizeSupplyAirFlowRateWhenNoCoolingorHeatingisRequired();
+    setSupplyAirFlowRateMethodWhenNoCoolingorHeatingisRequired("None");
     setMaximumSupplyAirTemperature(80.0);
     setMaximumOutdoorDryBulbTemperatureforSupplementalHeaterOperation(21.0);
     ok = setMaximumCyclingRate(2.5);
diff --git a/src/model/test/AirLoopHVACUnitarySystem_GTest.cpp b/src/model/test/AirLoopHVACUnitarySystem_GTest.cpp
index 43f275c1b8f..a9f2461a00f 100644
--- a/src/model/test/AirLoopHVACUnitarySystem_GTest.cpp
+++ b/src/model/test/AirLoopHVACUnitarySystem_GTest.cpp
@@ -121,6 +121,7 @@ TEST_F(ModelFixture, AirLoopHVACUnitarySystem_CloneOneModelWithDefaultData) {
   testObject.setCoolingCoil(coolingCoil);
   testObject.setHeatingCoil(heatingCoil);
   testObject.setSupplementalHeatingCoil(suppHeatingCoil);
+  testObject.autosizeSupplyAirFlowRateWhenNoCoolingorHeatingisRequired();
 
   auto testObjectClone = testObject.clone(m).cast<AirLoopHVACUnitarySystem>();