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In our last blog, we left you with two new terms, “Control Curve” and “Control Area,” indicating that any variable speed control strategy will be based on one or the other. What are these strategies and how do they differ? Before we pull out the curves, schematics and calculations, let’s start with a simple analogy...
Read MoreToday we begin a series of blogs exploring modern variable speed pump control. While we have written about variable speeding pumping in the past, we believe that the increasing presence of variable speed systems, along with the rapid evolution of control options, warrants a comprehensive look at variable speed pump control as a...
Read MoreAs we conclude this series on how to select a centrifugal pump for your hydronic applications we want to leave you with the following “best practices” for overall safe, efficient, and long lasting performance...
Read MoreMost--if not all--consulting engineers fear under-sizing pump head in a hydronic HVAC application. No one wants the owner to receive ....
Read MoreHow does RPM (revolutions per minute) impact pump operation? And what RPM is best suited for hydronic applications? A pump’s RPM or “synchronous speed” is determined by the number of magnetic poles in the motor winding as they interact with...
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