Basic low temperature electric radiant heating

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Hi everyone,

I try to model a basic low temperature electric radiant heating in a single thermal zone in Energyplus (version 22.1). Beside construction elements (materials, constructions, surfaces, thermal zone) are elements specific to low temperature electric radiant heating, i.e : 1. a Floor:Adiabatic object with 8 layers ; 2. a ConstructionProperty:InternalHeatSource object, located between the 6th and the 7th layers of the previous Floor:Adiabatic object ; 3. a ZoneHVAC:LowTemperatureRadiant:Electric object, that is related to the thermal zone and the adiabatic floor.

To my opinion, the model has enough information to perform the simulation, but the following severe error occurs :

Orphaned ZoneHVAC object found. This was object never referenced in the input, and was not used. - Object type: ZoneHVAC:LowTemperatureRadiant:Electric

I've already tried the following tests :

1. add the low temperature electric radiant heating system in a ZoneHVAC:EquipmentList object ;
2. and add the previous ZoneHVAC:EquipmentList object in a ZoneHVAC:EquipmentConnections object ;
3. remove a ZoneVentilation:WindstandStackOpenArea object that was previously in the model ;

but nothing works.

I guess I've forgot to create one or several necessary objects to make the model complete, but which ones ?

Thank you in advance !