Grundfos Webinar: Multiple VFDs in the Same System

Multiple VFDs in the Same System

Broadcast Live August 16th, 2 p.m. ET
Presented by Grundfos

Controlling one variable speed pump is one thing, controlling two, three or more variable speed pumps is quite another. Many systems today benefit from having two or more parallel connected pumps, primarily as an energy saving measure for systems that have widely varying flow rates. How do we ensure smooth pump control both in terms of meeting overall system performance objectives and optimized energy savings? This webcast will give you some insight on parallel pump control and provide some guidelines so that the right questions are asked of the pump system controls provider.

Participants will learn and/or understand:

  • The principle of parallel pump operation with VFD control
  • How smooth, energy efficient pump sequencing can be achieved
  • Tips on how to avoid set-point overshoot and “hunting”


Parallel Pumping with VFDs, Variable Frequency drives with multiple pumps, Duplex pump systems, triplex pump systems, Multi-pump control, variable speed pump control, VFD hunting

Click HERE to register for this FREE presentation.

This is a supplier webinar promoted by ASHRAE Journal. ASHRAE does not review content provided in the ASHRAE Journal supplier webinar series.

About the Presenter

Name: Reece Robinson

Title: Sr. Technical Training Specialist

Location: Grundfos Pumps Corporation Olathe, Kansas

Education: Bachelor of Science in Mechanical Engineering from California State University Fresno

Years in Industry: 18
Specialties: Over 18 years’ experience in providing variable speed pumping solutions and energy analysis for Commercial, Municipal and Industrial applications. D.O.E. Pumping System Assessment Tool (PSAT) Qualified Specialist.

Summary: Reece Robinson is a Senior Technical Trainer for Grundfos Pumps Corporation, a pump manufacturer with its North American Sales headquarters in Olathe, KS. He has been with Grundfos since 1997 and has held positions in product engineering, product management and has led the inside applications engineering team. He has been providing training, technical support and marketing support for their variable speed packaged pumping systems since 1999. Prior to Grundfos, he worked for a consulting engineering firm, providing energy analysis and HVAC system design. Mr. Robinson received a B.S. degree (Mechanical Engineering) from California State University – Fresno.

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