My connection in ZRH is is LX189-AC881, I think those both depart in E and staying in transit hotel at D. Just want to make sure I can stay fully in non-schengen for this.

Would the steps be:
- pass security in E
- skymetro train to airside centre
- walk to D
- pass security again to access the transit hotel

Then when going back to E, do the reverse and pass security twice again?

is it only a portion of airside centre that is accessible non-schengen?