Knowledge Base AutoCAD
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
Heat Load
Select a calculation basis for the calculation of the heat load according to the location and requirements of your project.
Heat load calculation according to ISSO 51 and 53 (2018)
Explains the concept of heat load calculation according to the Dutch standards ISSO 51 and ISSO 53 (2018).
About General Heat Load Data
Explains the concept of general heat load data in the context of heat load calculations.
Set Ventilation System Globally
Shows step-by-step how to set up a ventilation system for your entire project.

New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function and interaction of the LINEAR Solutions programs in AutoCAD and LINEAR Building.
Preparing and Editing Buildings and Architecture
Learn how to prepare drawings provided by an architect to create an architecture for building analysis.
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
- Heat Load
  Select a calculation basis for the calculation of the heat load according to the location and requirements of your project.
  - Heat Load Calculation Based on EN 12831-1 (2017)
    Explains the concept of heat load calculation based on EN 12831-1 (2017).
  - Heat Load Calculation Based on EN 12831 (2003)
    Explains the concept of heat load calculation based on EN 12831 (2003).
  - Heat load calculation according to ISSO 51 and 53 (2018)
    Explains the concept of heat load calculation according to the Dutch standards ISSO 51 and ISSO 53 (2018).
    - About Building Detection
      Explains the building detection concept in relation to the heat load calculation.
    - About General Heat Load Data
      Explains the concept of general heat load data in the context of heat load calculations.
      - Select Calculation Base
        Shows step-by-step how to select a calculation base for your heat load.
      - Details on Climate data for the Netherlands
        Information on the Climate data for the Netherlands section of the general heat load data.
      - Details on Building Mass
        Information about the Building mass section in the general heat load data.
      - Setting the Thermal Bridge Supplement Globally
        Shows step-by-step how to set a thermal bridge supplement for your entire project.
      - Details on Thermal Bridge Supplement
        Information about the Thermal bridge supplement section in the general heat load data.
      - Setting the Thermal Bridge Supplement Individually
        Shows step-by-step how to set the thermal bridge supplement at the component in the room.
      - Editing Table for Thermal Bridge Supplements
        Shows step-by-step how to edit the thermal bridge supplements table.
      - Setting Minimum Temperature of the Building Unit
        Shows step-by-step how to set the minimum temperature for the unheated condition in a building unit.
      - Configuring the Heat Transfer System Globally and at Room Level
        Shows step-by-step how to set up a heat transfer system , both project wide and room specific.
      - Details on Heat Generator Installation Type
        Information about the Heat generator installation type section in the general heat load data.
      - Details on Heat Transfer System
        Information about the Heat transfer system section in the general heat load data.
      - Details on Safety Class ISSO 51
        Information about the ISSO 51 section in the general heat load data.
      - Set Ventilation System Globally
        Shows step-by-step how to set up a ventilation system for your entire project.
      - Set Ventilation System in Ventilation Zone
        Shows step-by-step how to define the ventilation system at the ventilation zone level.
      - Details on Ventilation
        Information about the Ventilation section in the general heat load data.
      - Details on Ventilation -> Infiltration
        Information on the Ventilation -> Infiltration section of the general heat load data.
    - About Component Values
      Explains the concept of component values.
    - About the Transmission
      Explains the concept of transmission at room level in relation to the heat load calculation.
    - About Ventilation Data
      Explains the concept Ventilation data in relation to the heat load calculation.
    - About the Intermittent Heating Operation
      Explains the concept of intermittent heating operation at room level in connection with the heat load calculation.
  - Heat Load Calculation According to SN SIA 384/2 (2020)
    Explains the concept of heat load calculation based on SN SIA 384/2 (2020).
  - Heat load calculation according to DS 418(2020)
    Explains the concept of heat load calculation according to the danish standard DS 418.
  - Heat load calculation according to SP 60.13330.2016
    Explains the concept of heat load calculation based on SP 60.13330.2016.
  - Approximate Heat Load
    Explains the concept of approximate heat load calculation by means of quick entry.
- Cooling Load Short Procedure
  Learn how to calculate a cooling load for your building based on the short procedure of VDI 2078 (1996), section 6.
- Cooling Load Dynamic
  Select a method for determining the cooling load to suit the location and requirements of your project.
- Domestic Ventilation According to DIN 1946-6
  Explains the concept of the modules for domestic ventilation according to DIN 1946-6.
Dimensioning Components
Learn how radiators, convectors, panel heating/cooling systems and concrete core activation systems and components of ventilation systems are designed based on the requirement analysis in LINEAR Building.
Inserting Components
Learn how to transfer radiators or chilled beams to a LINEAR Building connected CAD platform and insert symbols and components from the libraries into CAD.
Drawing Networks
Learn how to draw pipe and duct networks, connect components, generate schemes, and create slots and openings.
Calculating Networks
Learn how to calculate pipe and duct networks.
Automatic labeling and dimension
Learn how to label components and sections in your drawing and how to dimension your drawing.
Output
Get basic information on output to the LINEAR Solutions for AutoCAD. for output to LINEAR Building and print mask editor.

Set Ventilation System Globally

Shows step-by-step how to set up a ventilation system for your entire project.

Before you begin

You would like to define a project wide ventilation system.

Navigate to:

Module overview ➤ Heat load ➤ Project level ➤ General heat load data

Heating load Linear Building

Procedure

Open the drop-down list under Ventilation and select a ventilation system.
Enter the efficiency η value (HR) for supply or exhaust air systems.
If the Specific air permeability (10 Pa) known is known, activate the option and enter the value.
If you would like to Check air volume balance, activate the option.

Results

The ventilation system for your project is selected and set.

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Set Ventilation System Globally

Before you begin

Navigate to:

Procedure

Results