• Revit

Work with Revit spaces and system data

Review design values in a space.

Type:

Tutorial

Length:

5 min.

Tutorial resources

These downloadable resources will be used to complete this tutorial:

ModelSysDsgn_RVT.5-03_2024.zip

Step-by-step guide

Review design values in a space.

  1. Open the project M05_03.rvt.
  2. Ensure that the current view is HVAC > Floor Plans > 1 – Mech System Data.
  • The Revit interface, with the project for this example open to the 1 – Mech System Data floor plan view, and with the view name highlighted in the Project Browser on the left.
  1. Select the space Dining 007.
  2. In the Properties palette, review the current Mechanical Flow properties, based on the systems located within the space.
  • The floor plan view, with the space Dining 007 selected and highlighted; and in Properties, a red box highlights the Mechanical Flow properties.

To visualize the mechanical flow properties in each space, create a color fill legend.

  1. Click a blank area in the view to deselect the dining space.
  2. On the ribbon, Analyze tab, Color Fill panel, click Color Fill Legend.
  3. Click to place the legend to the right of the floor plan, moving the view if necessary.
  4. Click OK to accept the defaults.
  • The Choose Space Type and Color Scheme popup, with OK being selected to accept the Space Type and Color Scheme defaults of Spaces and Schema 1, respectively.

The default scheme displays the space names.

  • The floor plan view showing the applied default scheme, which displays the spaces in different colors, which is based on the list of space names and corresponding colors in the Schema 1 Legend.

To change the display of the scheme:

  1. Select the legend.
  2. From the ribbon, click Edit Scheme.
  3. In the Edit Color Scheme dialog box, click the Duplicate icon to create a copy of the existing scheme.
  4. Name the new color scheme "Space Flow Rates".
  5. Click OK.
  • The Edit Color Scheme dialog box in the background, with the Duplicate icon called out with a red arrow; and in front, the New Color Scheme popup showing the name “Space Flow Rates” entered, and with OK being selected.
  1. In the Title field, rename the scheme to "Space Flow Rates".
  2. From the Color drop-down, select Actual Supply Airflow.
  3. In the Colors Not Preserved confirmation popup, click OK.
  4. Ensure that the scheme definition is set to By value.
  5. Click OK.
  • In the Edit Color Scheme dialog box, a Title of “Space Flow Rates” has been entered for the scheme; By value has been enabled; and OK is being selected.

The revised scheme clearly shows the flow rates in each area, including the areas where there is currently no airflow. Note that the dining area and the office for order processing have the same flow rate.

  • In the floor plan, the spaces now colored according to the Space Flow Rates legend, which shows four different colors for values of 0, 180, 360, or 540 CFM. The Dining and Order Processing spaces are the same color, and multiple spaces show no airflow.
  1. Open the floor plan 1 – Mech.
  2. Select any one of the air terminals in the dining area.
  3. Review the flow rate. Each air terminal is set to 30 CFM.
  • In the 1-Mech floor plan view, one of the air terminals in the Dining space is selected and called out with a red arrow, and in the Options Bar, the Flow rate of 30 CFM is highlighted.
  1. Select all the air terminals in the dining area.
  2. Set the flow rate to 200 CFM.

The increased airflow rate to the dining area is shown in the updated floor plan and legend.

  • The updated floor plan and legend showing increased airflow rate to the dining space, and in the Options Bar, the updated Flow rate of 200 CFM is highlighted in red.
  1. Select the legend.
  2. Click Edit Scheme.
  3. In the Edit Color Scheme dialog box, change the Scheme Definition to By range.
  4. Set the At Least value to 5 CFM.
  5. To add another value to the At Least column, click Add Value (+).
  6. Change the new value to 200 CFM.
  7. In the Color column, one at a time, select each of the colors to change it.
  8. Click OK to close the dialog box.
  • The Edit Color Scheme dialog box, Scheme Definition group, with all options configured for this example and highlighted in red, and with OK being selected.

The updated floor plan displays the airflow ranges set in the edited legend scheme.

  • The updated floor plan and legend showing the edited legend scheme.
  1. Save the project.

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