i Shane and Duncan, I have this error when I deleted a room in the program, it continued with this message tried all I can to try and fix but could someone lend a hand on this one? at my company we Use Bentley frequently for quick calculations,…

I can't Find anything explaining how to create a custom cable type. From the " How to move customised Cable Files to a new version " I under stand the first window but the bottom half of this second window I don't really under stand what the initial…

Hi, How does ceiling height affect room volume / heat losses? I have looked at the back end of the calcs and I can see the following formula to work out infiltration losses: Infiltration heat loss = F 2 nV (t r - t o ) / 3 How is the volume…

Hi. I have a room completely joined and surrounded by other rooms. I have set the temperature of all these rooms to be the same. Yet the central room has a temperature differences across its partition's to the other rooms. How is this possible? …

Hi, I'm using the Bently Hevacomp Simulator Package for a building in Dublin, Ireland. My understanding is that the TRY and DSY weather data files are not available for Dublin so I have 2 questions : 1) Is the nearest recommended site for similar…

Hi, How would i be able to add 'Engineer' and 'Checked by' details on the TM52 reports under print. I have already fill the details below but don't seem to show up on the report: Many Thanks

Hi, I have downloaded CIBSE weather data, however when following the steps of installing the weather files from CIBSE and saving then within the Weather data>Cibse folder located at C:\ProgramData\Bentley\Hevacomp V8i\Hevacomp. I cant see no weather…

Hi, Ive set up a chilled water circuit and keep getting run time error 5 when i try to calc the system - Any help would be appreciated.

Hi, Bit of a tricky situation. I have been trying to model a small server room in an existing loft space. (quick revit model attached to show the plan with roof removed). I am having some issues when setting up the roof level. I have modelled the…

My model consists of two floors, 2.7m high for first floor and 2.7m for second floor. I added a pitch roof which messed the whole model up, so i deleted the roof data from the DDBROOF.NDX folder along with the ROOFPOLY.* and RLIGHTPOLY.* files. The model…

Is it possible to run low level pipe work and then have it rise up to high level (ceiling Void)???. For context , the pipe work is serving the building at low level and when it entres the building it rises up to high level within the ceiling void. Is…

Hi, When selecting the above board type and no. of ways 4/16, this only inserts a 8 way DB? Regards Karl

I have turned off infiltration, ventilation, occupants and casual gains from my model to test the solar load portion only. However I still see loads attributed with "Convective" and "Latent" (albeit small). Should these loads exist in my calculation…

Suddenly get this message after using full CAD Input on this project for a few days. The Hevacom Project Explorer confirms my project details comprising existing data of 37 rooms but can not open the project. I can see the data on the network server directory…

I have constructed my hevacomp model in the design database using the load calculation tab along with sizing all my mechanical pipe and duct systems using the pipe and duct sizer netsys tab. I am wondering if it is possible to transfer all this data…

I received a new building outline for a building I've already modelled. I replaced the outline on a constant known point so i could make changes, saved and opened the model in hevacomp. The outline is no longer inline with model for some unknown reason…

Hi, Typically I would calculate my Heat gains in summer time in order to get a peak coincidental load. However, I have been asked to produce a number of Heat gain calculations - one for each week of the year. I have noticed that when I run a heat…

Is there a way to print of the discrimination report? I have found it in the reports section but the option to click OK is greyed out. My client needs a print out of the earth fault and overload graphs which I can do to PDF.

How do I fix a bend type on the top of a vertical rising duct and the bottom on the same floor. If I fix using fix bend/Tee command It will only let me fix one. Do I have to try and simulate this in a different way to get the outcome. Isometric view…

Having recently updated my software and trying to open the Design Database I'm presented with this message 'Error: Failed to find Select Server license manager.' The software then terminates. How do I fix this? Thanks David

Hi There, I've created a project in Netsys CWS which is a multi level project. I closed the project and when i come to re open it I get the error above. I'm using windows path/ file method, and the project is in a location which isnt protected or…

I have a partially conditioned building, I am trying to use the frequency simulator to tell me what percentage of the year the existing FCUs used will not meet the cooling demand and what the resultant temperature will be during this time. The issue…

Hi, My company currently has Hevacomp 26 installed and we were paid SELECT SERVER customer till 2015. We currently do not have Scotland Building Regulations Part L 2013 in Hevacomp 26 Design Database. We couldn't download the update as we currently…

Can you convert a Design Database project into a System Builder project.