Duct Sizing - How to connect a diffuser to the underside of a plenum box
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (N/A)
Environment:
N/A
Area:
Netsys
Subarea:
Ductwork
Overview
Whilst designing a ductwork system it may be required to connect a ceiling…
Netsys warning - Closed loop found in system
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (N/A)
Environment:
N/A
Area:
Netsys
Subarea:
N/A
Problem
When sizing a pipework schematic, you are presented with the following warning…
Netsys warning - No flow in pipe
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (N/A)
Environment:
N/A
Area:
Netsys
Subarea:
N/A
Problem
When sizing a pipework schematic, you are presented with the following warning…
Pipe sizing - Pipe diameters and insulation thickness
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (version number)
Environment:
N/A
Area:
N/A
Subarea:
N/A
Problem
You may wish to consider pipe ranges in your project. This spreadsheet…
Duct Sizing - Excessive Ductwork pressure due to Universal tees
Product(s):
Hevacomp
Version(s):
V8i
Environment:
N/A
Area:
Netsys
Subarea:
Ductwork
Problem
Excessive pressure drops found upon sizing ductwork system.
Solution
Hevacomp will often automatically…
Duct sizing - resetting the outlet references
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (N/A)
Environment:
N/A
Area:
N/A
Subarea:
N/A
Problem
During the creation of a Ductwork schematic, deleting outlets can leave holes…
Netsys annotation - Pipe properties tree
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i (N/A)
Environment:
N/A
Area:
Netsys
Subarea:
N/A
Problem
Pipe properties annotation has been added.
Solution
Each section of the…
Pipe Sizing - Pipe lengths in reports
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…
Netsys annotation - refreshing pipe or duct notes
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…
Inconsistent Flow Rate at Outlets
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…
Pipe sizing - Outlet resistance is considered in circulating pump sizing
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…
How to display Section Numbers on your Netsys system
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…
Hevacomp General Information
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
Defining pipe headers
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…
Can I get any sample Netsys projects?
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…
Can a project be used as a basis for a different project type?
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…
Why can't the pipe or duct height be changed?
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…
Pipe sizing - Water content for heating and cooling emitters
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…
Netsys warning - Spurious connection or 0mm Pipe size
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…
Netsys annotation - displaying unusual results
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…
Changing the DXF background
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…
Heating and Chilled water - Excessive pressure drop
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…
Duct Sizing - Fitting, terminator and connection codes
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…
Duct sizing - allowing for a depression
Product(s):
Hevacomp Mechanical Designer
Version(s):
V8i
Environment:
N/A
Area:
Netsys
Subarea:
N/A
Overview
During the course of designing a duct system (these techniques can also be used…