Smart Variable Speed Centrifugal Pumps: Part 2 (Base Mounted)

RL DeppmannSpeed, Monday Morning Minutes, Selection and Specification, Inline Pumps, Codes and Standards, Energy, Motors, Pumps, ECM, ECM, Variable Speed

Larger centrifugal pumps with horsepower over five are a great place to save energy in HVAC and plumbing systems. Historically, these larger pumps were typically …

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

RL DeppmannSpeed, Selection and Specification, Monday Morning Minutes, Inline Pumps, Codes and Standards, Energy, Pumps, ECM, ECM, Variable Speed

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 …

Waterside Economizers Part 7: Tower Side Temperatures

Norm HallHeat Exchangers, ASHRAE 90.1, Hydronic System Design, Cooling Towers, Codes and Standards, Energy and Water Saving, Chilled Water, Waterside Economizer, Monday Morning Minutes, Waterside Economizer

The waterside economizer is normally a gasketed plate heat exchanger. There is chilled water on one side and cooling tower water on the other side …

images of buildings and parts
images of buildings and parts

Waterside Economizers Part 5: Heat Exchanger Location

Norm HallWaterside Economizer, Monday Morning Minutes, Waterside Economizer, Heat Exchangers, ASHRAE 90.1, Hydronic System Design, Cooling Towers, Codes and Standards, Energy and Water Saving, Chilled Water

The waterside economizer is normally a gasketed plate heat exchanger. The cooling tower water supply temperature to this heat exchanger varies with the weather. The …