Adiabatic walls in EnergyPlus and error control [closed]

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Hi all,

I have two questions:

Adiabatic Walls

I just simulated a 9 zone models in EnergyPlus using the latest release version. The system model has a couple of adiabatic walls. After the simulation successfully terminated, I looked at the Envelope:Summary report and couldn't see the adiabatic (interior) walls listed. Does anyone know why they do not show up? How does EnergyPlus treats adiabatic walls during execution?

Error tolerance

I am also trying to use the ConductionFiniteDifference method in one test case I am running. Is there a way to know the error tolerance which is used to control convergence when using this method? Is the error tolerance applied to all variables or to a specific variable? If the latter, then I would like to know the variable which is used as well as the error tolerance value.

Thanks a lot!

Thierry