Continuing on from last month’s discussion encouraging design engineers to create their own automatic temperature control (ATC) system flow diagram and write their own sequence of operation, let me start with the importance of this responsibility.
There’s more room for mystery and surprise in the early phases, but retrofit projects still contain a unique advantage or two for the thoughtful engineer and owner.
Over the past two months, this column has focused on the building owner’s role in obtaining meaningful and timely training on new equipment and systems installed as part of major capital projects. O&M training is one of the most challenging parts of the commissioning process to do well.
Understand the differences that can exist among various options so you can avoid a design that inadvertently paints the owner (and yourself) into a corner.
This is the second half of a two-part article discussing principles and application of the AC induction motors that provide motive power for most of the equipment HVACR engineers specify.