• Pipe Sizing - Pipe lengths in reports

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Netsys Pipe sizing Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview When calculating a pipe schematic, the reports will show the lengths for each…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Netsys annotation - refreshing pipe or duct notes

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Netsys Subarea: Results Overview In some instances it may be necessary to refresh the Notes on your Netsys system for the current…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Incorrect Pipe Notes on Netsys

    Jamie Sanderson
    Jamie Sanderson
    Hi, I've modeled a BCWS in netsys, the system connects fine, however the output table for the system is fine, however pipe notes display different sizes. And sizes that don't exist on the sizing criteria selected (copper old X) Any ideas? Thanks…
    • Answered
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Variable Flow systems in Netsys

    Nicholas Byczynski
    Nicholas Byczynski
    It's been some years since I used Hevacomp and am now considering purchasing for my mechanical team. Can someone explain to me if it is now possible to consider diversity and variable flow in the piped and ducted systems? If for example, we consider…
    • Answered
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • RE: Same Loading Units Different Flowrates

    Shane Regan
    Shane Regan
    For other users who may experience the above - this issue was due to different pipe sizing standards at each outlet. Please find further details here.
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Inconsistent Flow Rate at Outlets

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Netsys Subarea: HWS and CWS Problem Description Outlets in HWS or CWS systems may have differing Loading Units, despite the outlets…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • RE: Pipework Velocities Input

    Stephen Brown
    Stephen Brown
    Hi Jamie, The CIBSE table is using typical bands therefore it would make sense to enter the highest CIBSE value for each band in the system marker. This limits the velocity for any sizes within that band. The settings shown below would meet that criteria…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Pipework Velocities Input

    Jamie Sanderson
    Jamie Sanderson
    I am Inputting the CIBSE Guide C pipework velocity limits into NETSYS, i am unsure how to input the velocities in the system marker. Any assistance would be greatly appreciated.
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Same Loading Units Different Flowrates

    Jamie Sanderson
    Jamie Sanderson
    Hi I have created a HWS system consisting largely of en-suits of bedrooms. Each en-suite has a two number of basins and 1 shower nozzle. They are calculated using the same method (BS EN 6700), and have the same loading units. They branch coming in…
    • Answered
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • HWS resistance projects

    Duncan Brown
    Duncan Brown
    Test projects demonstrating: twin pipe outlet connections will include extra outlet resistance when sizing circulation pumps. single pipe outlet connections will not include extra outlet resistance when sizing circulation pumps. These files…
    • HWS Test Projects - Circulation resistance.zip
    • over 6 years ago
    • Hevacomp
    • Hevacomp Files
  • Pipe sizing - Outlet resistance is considered in circulating pump sizing

    Shane Regan
    Shane Regan
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: Netsys Subarea: HWS Circulation Pump Sizing Problem When defining a HWS system, outlet pressure can be…
    • over 2 years ago
    • Hevacomp
    • Hevacomp Wiki
  • How to display Section Numbers on your Netsys system

    Shane Regan
    Shane Regan
    Product(s): Hevacomp Mechanical Designer Version(s): V8i Environment: N/A Area: Netsys Subarea: All Overview Enabling section numbers can help to provide clarity when inspecting or troubleshooting…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Wiki
  • RE: Floor Change/Sizing System

    Shane Regan
    Shane Regan
    Hi Liam, It sounds like your Floor Change Connector may not be correctly joining up the two floors in that case. I would recommend deleting the Floor Change Connector and associated risers using the Group Delete function, and then following the method…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Hevacomp General Information

    Shane Regan
    Shane Regan
    We recommend bookmarking this page for easy access Hevacomp final version is V8i SS1 SP10 (V8i SS1 CP3 (06/16)) Should you require assistance installing, please post any queries in the forum
    • 1 month ago
    • Hevacomp
    • Hevacomp Wiki
  • Defining pipe headers

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview Pipe headers can be defined for flow pipework in Netsys Method Place the…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Can I get any sample Netsys projects?

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview There are some sample Netsys projects available Method For a sample Heating…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Can a project be used as a basis for a different project type?

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview Can a CWS project be imported as an HWS project, or vice versa? Can a Heating…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Why can't the pipe or duct height be changed?

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview You may not be able to change the pipe (or duct) height if you haven't imported…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Pipe sizing - Water content for heating and cooling emitters

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview The water content calculation for Netsys Heating and Chilled Water schematics…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Netsys warning - Spurious connection or 0mm Pipe size

    Shane Regan
    Shane Regan
    Product(s): Hevacomp Mechanical Designer Version(s): V8i Environment: N/A Area: Netsys Subarea: N/A Overview A Spurious Connection message can appear when sizing pipework. This is usually due…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Netsys annotation - displaying unusual results

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: Netsys Subarea: Results Overview Duct or Pipe property notes show unusual or unchanging results when you…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Changing the DXF background

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i Environment: N/A Area: General Subarea: N/A Overview It is possible to change the DXF background in a Netsys Pipe or Duct sizing project…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • RE: Heat loss calculation report showing a blank page. Running Windows 10

    Shane Regan
    Shane Regan
    Hi Luis, This usually means that Crystal Reports (i.e. the program that runs in the backround to take care of Hevacomp reports) is not working properly and needs to be reinstalled. Please find details on how to do so here.
    • over 6 years ago
    • Hevacomp
    • Hevacomp Forum
  • Heating and Chilled water - Excessive pressure drop

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i Environment: N/A Area: Netsys Subarea: N/A Overview Excessive pressure drops can occasionally be seen on Heating and Chilled Water networks…
    • over 5 years ago
    • Hevacomp
    • Hevacomp Wiki
  • Duct Sizing - Fitting, terminator and connection codes

    Duncan Brown
    Duncan Brown
    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: Netsys Subarea: Ductwork Overview A number of codes are used in Netsys Duct Sizing reports. While some…
    • over 6 years ago
    • Hevacomp
    • Hevacomp Wiki
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