The Zone Tree command is used to view and modify the zone and room hierarchy in a project.
To view and edit the zone and room organizational tree, go to
Ribbon: DM HVAC->Building Definition-> 
Zone Tree
Pulldown Menu: DM HVAC->Building Definition->Zones->Zone Tree
Zone Tree Dialog Box
Zone and Room Tree: The tree on the left side of the dialog box lists all of the zones and rooms in the project.
The first item in the tree represents the whole project. The label is based upon the Project Name and City set in the Project Information command.
Below the project information are all of the zones. Zones that are not part of any other zone are listed directly under the project information. Other zones are listed below the zone they occupy.
All of the rooms in the project are listed in the zone they occupy.
Zones and rooms can be rearranged by dragging and dropping them in the tree. You can select multiple rooms or zones using the SHIFT and CTRL keys to move them all at once.
Edit: Press this button to edit the selected item.
If the project name is selected, the Project Information dialog box will appear.
If a zone is selected, the Zones dialog box will appear with the selected zone active.
If a room is selected, the Room List dialog box will appear with the selected room active.
View Load: Press this button to view the load for the selected item. The Load Detail dialog box will appear. See the View Room Load section for more information.
Rename: Press this button to rename the selected item.
Edit Zones: Press this button to create and edit zones. The Zones dialog box will appear. If a zone is selected, it will be the active zone in the dialog box.
Edit Rooms: Press this button to edit rooms. The Room List dialog box will appear. If a room is selected, it will be the active room in the dialog box.
Create Room: Press this button to create a room. See the Create Room section for more information.