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 …
Permanent Magnet (PMAC) Motors & Electronically Commutated (ECM) Motors in Hydronic Systems (Part 1)
Hydronic system pumps and other HVAC and plumbing equipment will often have a variety of motor choices to specify. One of the newer additions to …
Bell & Gossett Part Load Efficiency Value Part 3: HVAC Pump Selection
In the last two Monday Morning Minutes, we introduced the PLEV, or Part Load Efficiency Value, from Bell and Gossett. When we use part load …