Energyplus Ice thermal storage by Trace 3d Plus

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Hi all,

My project applied ice thermal storage system. Therefore I modeled ice thermal storage according to cds guideline. However, It didn't follow ice thermal storage sequence.

sometimes charge and discharge following sequence. The otherwise, it didn't follow sequence. There are cooling (operate fan etc,) in the room at nighttime.

I don't know what is related. there was nothing change but results are different. Does anybody modeled ice thermal storage by trace 3d plus?