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Netsys CWS Flow and Pressure Loss

Neil Pearson
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Hello Group

I am a returning user of Hevacomp. I haven't used it for several years and lost some knowledge and looking for some assistance.

I have modeled a CWS system in Netsys, inserted a system marker which doesn't return any issues. The problem occurs when I am looking to get the system flow rate and pressure drop. When i sized the system I need to insert a water tank height or system pressure and this point, which I do but I had assumed a total system flow rate and required pressure drop would still be calculated, and it allow a pump selection.

Am i missing something? I am trying to model the boosted cold water system, so the pressure and flow rate are a result I would assume Netsys would return.

Anyone's assistance would be appreciated.

Neil

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    Hi Neil - The NETSYS CWS program doesn't allow for the inclusion of a pump. The pipe section sizing is calculated from the initial pressure at the system marker, whether that be entered directly or calculated from the height of tank entry - you can consider this initial pressure as being the output from the pump if that helps clarify this.

    The maximum flow rate can be taken from the first section in the results page. For pressure drops, you would need to consider individual outlets.

    Please note that myself and my colleagues monitor the forum closely - there is no requirement to log a service request, a chat session and a forum post to get our attention! :)

    Duncan Brown



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  • 0 Offline
    Hi Neil - The NETSYS CWS program doesn't allow for the inclusion of a pump. The pipe section sizing is calculated from the initial pressure at the system marker, whether that be entered directly or calculated from the height of tank entry - you can consider this initial pressure as being the output from the pump if that helps clarify this.

    The maximum flow rate can be taken from the first section in the results page. For pressure drops, you would need to consider individual outlets.

    Please note that myself and my colleagues monitor the forum closely - there is no requirement to log a service request, a chat session and a forum post to get our attention! :)

    Duncan Brown



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