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Frequently Asked Questions

How to insert tabulated data into a text file?

First, prepare tabulated data for the text file. Then, while in Excel, select “Open”, start file type “Text File” or “All Files” and open our transfer file. In the window that appears, select also ”Tab” as a separator, to preserve the column layout.

Why pressure drop at grating, as calculated by the program, is sometimes 0.0 Pa?

The most likely cause is that the chart of grating design data has been exceeded. RGS grating has a relative narrow catalogue range of linear velocities at the grating and in the duct, for which data on pressure drops are available. Velocity in the duct: from 1 to 9 m/s, velocity with throttle valve fully open from 1 to 5 m/ s and velocity from 0.7 to 3 m/s at grating with throttle valve half open.

Is it possible to remotely connect two parts of the system using a 30° elbow: as opposed to a 90° elbow, such elbow has no projection that could be used for remote connection.

It is necessary to generate a proprietary component ( a suitable projection of 30o elbow) and as points may be added at any point, there should be added so that they link two distant parts of the system.

Is it possible to record a definite proprietary component on a disk and use it in another drawing?

Yes, it is. First, create a “ Proprietary Component” overlay command. Then, from the component so created, a subsequent superordinated block, to be given any name. Such block is to be recorded on a disc by “ _ WBLOCK” command, under an easy to identify name of the proprietary component, but be careful: it must be a name that differs by at least one character from the name of the block used originally to identify the proprietary component. Blocks so created, located anywhere in the disc, shall be inserted in the drawings as necessary by means of “INSERT”. After insertion, remember to explode the block inserted, as it is an auxiliary block, superordinated to the proprietary component. We have plans to make the above operations easier in future.

Is it possible to make two projections of a proprietary component, so that they are presented in the specification as two pieces of the same component, e.g. in the case where in a design there are two Wen-ACM fans, each in a different projection.

Define each projection as a proprietary component. Thereby there will be two ( or more) proprietary components. When defining each of them we give identical descriptive data, except for block name. Different suffixes “11”, “12”, “13” to the names of blocks, e.g. “Wen-ACM_11” , “WenACM_12”, “ WenACM_13”, etc. Objects of the overlay (blocks) with identical suffixes are treated as projections of the same objects and shall be one item with respective number of pieces.

Does “PL” symbol in the program name means that it is unsuitable in the English version of AutoCAD?

No. Of course it is unsuitable in the English language version. ”PL” symbol means that we communicate with the overlay in Polish and, what is most important, it is a Polish program, created from scratch as a result of consultations with Polish VENTILAITON DESIGNERS.

After installation, the overlay does not work, is it because we use AutoCAD 2000 LT?

Yes, if you have AutoCAD 2000 or 2002 in LT version, you must, before activating the overlay, install an overlay that would make LT understand LISP. Such overlay is named LT-Extender ( only older 1.6 version), and is available at www.vectorsoft.pl

During installation, I have placed WENTYLE001 directory in D disc; could it prevent the overlay from operating?

Yes, WENTYLE001 catalogue should be in C:\ disc, in the main directory of that disc the full access path to the files of the directory is therefore: C:\ WENTYLE001\ .

Do you often use ESC key and blue direction indicators remain in the drawing,; how to remove them? And how to remove red illumination of objects by the program?

- Remaining blue direction indicator, blue indicator of inlets, point circles etc are removed by selecting “ dPA in Component” icon and pressing ENTER by the program are removed selecting “ key without action. Red marking of components by the program are removed by selecting “Illuminate” and OK for counted objects and “Edit” for uncounted ones, without entering changes but pressing Ok only.

Sometimes OSNAP attraction points go off; could it be caused by the overlay?

- It happens that undoing a command in AutoCAD, you undo the overlay command. Otherwise it should not happen. However, if it happens and you are able to ascertain the circumstances, please inform us.

According to what data pressure drops are calculated in the program?

- For round section piping and fittings, the source of data is the professional technical catalogue of the manufacturer “ALNOR Systemy Wentylacji Sp. z.o.o.” . For square section ducts, versions sources were used for different fittings. A list of the sources can be found, under “Information “ / “Source Literature” key.

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