diff --git a/geojson_modelica_translator/model_connectors/load_connectors/templates/TimeSeries_Instance.mopt b/geojson_modelica_translator/model_connectors/load_connectors/templates/TimeSeries_Instance.mopt
index 2ef1ddc2a..6ec329185 100644
--- a/geojson_modelica_translator/model_connectors/load_connectors/templates/TimeSeries_Instance.mopt
+++ b/geojson_modelica_translator/model_connectors/load_connectors/templates/TimeSeries_Instance.mopt
@@ -10,7 +10,8 @@
     delTAirHea(displayUnit="degC")=20,
     k=0.1,
     Ti=120
-    ), ets(have_hotWat = true, have_varFloEva=false)
+    ), ets(have_hotWat = true, have_varFloEva=false),
+    COPHeaWat_nominal=2.5
     {% else %}
     allowFlowReversal = true,
     T_aHeaWat_nominal(displayUnit="K")=318.15,