He is also charged with intent to intimidate Wi Karaitiana by threatening to damage a dwelling house in Thyra Street in Dannevirke on August 23, this year.
The court heard that Hastings police are making further investigations and further charges could follow.
Judge Emma Smith granted the man remand on bail until next month with special conditions that he remain in the care of Canterbury District Health Board, did not leave the hospital facility at any time, and did not approach or contact one of the complainants.
She also granted the man interim name suppression after being "persuaded in the unusual circumstances you present.''