Ventilation duct – Start
Free point

Example

Suppose you want to start a new ventilation duct from a free position. The first segment is horizontal or vertical.

Workflow

Ventilation duct

  1. Activate: Standard ToolsClosed

  2. Select the function in Context ToolbarClosed



     The cursor appears as a crosshair.

In most cases, you need to determine the properties of the new ventilation duct.
  1. Click on the starting position.
    The dialog appears: DuctStart

  2. Check the settings.

    The duct starts at a free position at a free height. The direction of the first segment can be horizontally or vertically.

    Distance between the selected reference and the centre axis of the object.

    In the case of settings Free and User 1 - … User 4 - you can enter the mounting height as a number with the desired length unit.

    Opens the product database and allows the selection of a product.

    Behavior in the pressure loss calculation:

    Setting Effect
    Dimensions will remain unchanged.
    Dimensions can be changed.
    Setting Effect

    The speed level is taken from the previous connection (e.g. from a branch of a tee).

    You can freely determine the speed level.

    Association of the components to the selected velocity level.

    Layer

    Setting Effect
    The object is assigned to its default layer. An individual setting is disabled.
    The status indicates that an individual setting applies to the object.
    Setting Effect

    The layer number is displayed in addition to the layer name. The numbers can be used as a guide and sorting criteria in the manager.

    The selection only contains the layer name.

    Making a setting removes the object from its default Layer and sets the layer association for the object individually. Use Default will then be deactivated.

    DDScad manages its layers in several groups, which are primarily organized by discipline. To be able to specify a concrete layer, first select the group:

    The active group determines which layers are available for selection:

    If you would like to assign the default layer to the object again, select Use Default.

    Opens the dialog Closed Layer select .

    Pen

    Setting Effect
    The object is assigned its default pen. An individual setting is disabled.
    The status indicates that an individual setting applies to the object.

    Making a setting separates the object from its default Pen and sets the pen that is to be used individually. Use Default will then be deactivated.

    DDScad manages its pens in several groups, which are primarily organized by discipline. To be able to specify a concrete pen, first select the group:

    The active group determines which pens are available for selection:

    If you would like to assign the default pen to the object again, select Use Default.

    Opens the dialog ClosedUser Defined Pen.

    Render surface definition

    Setting Effect
    The object uses the default reference according to its object type. An individual setting is disabled.
    The status indicates that an individual setting applies to the object.
    Setting Effect

    The material numbers are displayed in addition to the material name in the selection. The numbers can be used as a guide and sorting criteria in the manager.

    The selection contains only the name of the material definition.

    Material definitions for the active group. With the setting you remove the default material from the product and assign a custom material. Use Default is deactivated in the process.

    DDScad manages its materials into several groups, which are primarily organized by discipline. To activate the material definitions of another group, click on Render surface definition

    If you want to display the object with its default material again, activate Use Default.

    Opens the dialog Closed Render Object .

    Setting Effect

    Insulation is applied to the duct.
    No insulation is applied to the duct.

    Opens the product database and allows the selection of a product.

  3. Click OK. You can draw the course.
If you want to apply the properties of the last ventilation duct, you can omit a change of the settings. The dialog DuctStart should not appear.
  1. Press and hold [Shift].
  2. Click on the starting position. You can draw the course.