Fix exhaust fired absorption chillerheater model heating energy calcu…

…lation errors.
NREL · Mar 23, 2021 · a33e70d · a33e70d
1 parent f1a13ce
commit a33e70d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/EnergyPlus/ChillerExhaustAbsorption.cc b/src/EnergyPlus/ChillerExhaustAbsorption.cc
@@ -1889,7 +1889,12 @@ namespace EnergyPlus::ChillerExhaustAbsorption {
             }
 
             // Calculate operating part load ratio for cooling
-            lHeatPartLoadRatio = lHeatingLoad / lAvailableHeatingCapacity;
+            if (lAvailableHeatingCapacity <= 0.0) {
+                lHeatPartLoadRatio = 0.0;
+            } else
+            {
+                lHeatPartLoadRatio = lHeatingLoad / lAvailableHeatingCapacity;
+            }            
 
             // Calculate ThermalEnergy consumption for heating
             // ThermalEnergy used for heating availCap * HIR * HIR-FT * HIR-FPLR