Knowledge Base Revit
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).
About the Transmission
Explains the concept of transmission at room level, in relation to the heat load calculation.
Setting Time Constant for Building Unit Individually
Shows step-by-step how to set the time constant per building unit.

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 Revit and LINEAR Building.
Preparing Building
Learn how architects prepare plans and models to create a building model for building analysis.
Pre-Concept Design
Learn how to collaboratively localize and dimension equipment rooms and how to create pipeline corridor concepts.
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).
    - 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.
    - 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 Unheated Rooms
        Explains concept unheated rooms in relation to the heat load calculation.
      - Defining Rooms as Unheated
        Shows step-by-step how to define a room in your project as unheated.
      - Details on Transmission
        Information on the Transmission section at room level.
      - Details of Transmission Results
        Information about the Results tab in the transmission output window at room level.
      - Setting Building Unit Data
        Shows step-by-step how to set fundamental building unit data.
      - Setting Time Constant for Building Unit Individually
        Shows step-by-step how to set the time constant per building unit.
      - Details on General Building Unit Data
        Information about the General Building Unit Data section the Heat load tab of the building unit level.
      - Creating New Room Component
        Shows step by step how to create a new component in the room.
      - Setting summand f1 or adjoining temperature
        Shows step by step set the adjoining temperature or the summand f1 in rooms.
      - Editing Room Temperature
        Shows step-by-step how to change the room temperature in individual rooms.
      - Assigning Adjoining Room to Room Components
        Shows step by step how to assign a room adjoining section to a Room component corridor.
      - Search and Replace Component Data
        Shows step-by-step, how to search and replace component data.
      - Details on Overview of Building Unit Level
        Information on the Overview section in the Heat load tab of the building unit level.
      - Details on General Ventilation Zone Data
        Information on the General ventilation zone data section in the Heat load tab of the building unit level.
    - 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 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).
  - 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 acc. 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.
Dimensioning Components
Learn how to dimension radiators, convectors, panel heating and concrete core activation systems on the basis of the requirements analysis in LINEAR Building and manufacturer-specific.
Inserting Components
Learn how to insert components from the LINEAR CAD Browser, from the libraries and configurators of the library tab or from LINEAR Building into the model.
Constructing Networks
Learn how to create pipe and duct networks, design slots and openings and manage discipline-related reports and tasks.
Calculating Networks
Learn how to calculate pipe and duct networks.
Construction Design
Get information about the workflow Construction design in connection with pipe and duct networks.
Labeling
Learn how to label section parts and components in the model.
Output
Get information about material compilation in LINEAR Building. You will also learn how to print or export calculation results and material lists in your CAD program.
Troubleshooting
Get information about possible sources of errors when working with LINEAR Solutions.

Setting Time Constant for Building Unit Individually

Shows step-by-step how to set the time constant per building unit.

Before you begin

You would like to assign individual time constants to individual building units.

Navigate to:

Module overview ➤ Heat load ➤ Building unit level ➤ Heat load ➤ General building unit data

Procedure

Open the drop-down list under Temperature correction through time constant and select the building mass for this building unit.
Select the DIN V 4108-6 entry if you would like to enter a manual value.
Enter the Height of the building unit above sea level [m].

Results

The time constant for this building unit is set.

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Setting Time Constant for Building Unit Individually

Before you begin

Navigate to:

Procedure

Results