How to run a closed zone system curve analysis in InfoWater Pro

Patrick Moore Patrick Moore November 11, 2022

Do you need to run a closed zone system curve analysis in InfoWater Pro?

Occassionally, our support team will hear from customers who are sizing a pump for replacement in InfoWater Pro who have run into an issue when performing a system curve analysis. They receive this error message: “Simulation failed with specific issue(s).”

Error message you’ll see when there is no tank on the discharge side.

When this happens, they’ve run into an edge case in our software. If you are running a system curve analysis to determine energy usage and capturing the highest and lowest system curve possibilities but there is no limit to the outflow – if there is no tank on the discharge side – you may encounter this error message.

But fear not. There is a way to compute it.

How to run a closed zone system curve analysis

Instead of using the automated tool inside the software, you will need to compute it manually. First, download this Excel spreadsheet. Then, follow along in the walkthrough video below.

More system curve analysis resources

Need more information about system curves? Dig into our InfoWater Pro docs about system curves.

Also consider this Water Talk, where we went deep into the topic of system curves:

New to system curves? This System Curves Basics PDF has a lot of good information:

System Curve Basics Download

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InfoWater Pro Water distribution
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