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Smart Variable Speed Centrifugal Pumps: Part 1 (Line Mounted)

RL Deppmann April 22, 2024Energy, Pumps, ECM, ECM, Variable Speed, Speed, Selection and Specification, Monday Morning Minutes, Inline Pumps, Codes and Standards

This week and next we will talk about centrifugal pumps with the variable speed technology built into them. These pumps are called “Smart pumps.” Why …

B&G Systemwize: Overspeeding of Variable Speed Pumps

RL Deppmann April 15, 2024Selection and Specification, Variable Speed, Speed, Selection and Specification, Speed, Operation, Monday Morning Minutes, Pumps

The term “overspeeding” in pump selection and operation is a topic of conversation in the world of hydronic design. When asked about this subject I …

How to Pick an HVAC Centrifugal Pump Part 9: Over Speeding HVAC Pumps & Motors

RL Deppmann April 8, 2024Pumps, Variable Speed, Selection and Specification, Operation, Water Heaters, Speed, Speed

There are times when a little more capacity or a little more safety factor is needed from a pump selection. Often, we are asked about …

Basic Centrifugal Pump Selection: Which Pump Do I Choose? (Part 2 of 2)

RL Deppmann April 1, 2024Pumps, Selection and Specification

When looking at pumps, the one question every HVAC and Plumbing engineer will ponder is “which pump do I choose?” There are several factors that …

Basic Centrifugal Pump Selection: Which Pump Do I Choose? (Part 1 of 2)

RL Deppmann March 25, 2024Pumps, Selection and Specification

When looking at pumps, the one question every HVAC and Plumbing engineer will ponder is “which pump do I choose?” There are several factors that …

Variable Speed Pump Control: Wheels and Ladders and Diversity

RL Deppmann March 18, 2024Pumps, Selection and Specification, Variable Speed, Control

Commercial and industrial hydronic heating and cooling systems will usually have variable speed distribution pumps. There are multiple ways to identify what speed the pumps …