Designing sanitary system loop installations

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Product InstalSystem 5
Type of article DESIGNING LESSON
Source for translation 2020-02-11


Scope of lesson

This lesson shows how to create a sanitary system loop installation. The latter is located in a single-family two-storey building with basement.

Modules and program configuration

  • InstalSystem 5 software package with the following modules:
    • Tap water systems
    • Tap water extensions
  • Recommended: sanitary system pipe catalogues containing direct U-shaped tap water connection, which guarantees lack of no-flow zones within the system

Project file

The project file used in this lesson: Water supply loop system in residential building (example for the lesson).

Initial state

The initial state file is located in the Project table, and it contains the building graphic structure and radiant sanitary system, which needs to be completed with a loop installation on the storey.
For more information, see: Design of water supply system installation

Steps to perform

Turning on the program and project general data configuration

  1. Turn the program on.
  2. Load the project file - Single-family building water installation initial state, isproj.

Installation edition

  1. Select storey No. 1.
  2. Draw hot and cold water pipe feeds, so that a loop installation is created in room 1.5.
    1.Creating a loop installation.

  3. With your mouse, select the area with terminal units and choose Automatically connect terminal units in tee system .

  4. If needed, modify pipe feed ordinates to evade doors. To do so, insert additional division points for the pipe feed passing through the door opening.
    it is necessary to impose a correct ordinate. The correction of imposed values should be verified in the 3D view window.
    2. Omitting the door opening


  5. Verify if the circulation circuit has been closed properly on the storey.
    3. Closing the circulation circuit on the first storey

Verification of the correctness of installation structure

  1. Verify correctness of the installation structure using the Check connections function (shortcut: Shift + F2).
  2. Verify correctness of the installation structure and find collisions using 3D view.
    For more information, see: Verification of the correctness of installation structure

Calculations and diagnostics

  1. Perform Water supply systems by clicking on Tap-water-Calculator.png located in the Calculations section of the Main tools toolbar.
  2. Verify calculation results.

For more information, see: Calculations and diagnostics