This is the first in a series of columns in which I plan to demonstrate examples of systems performance information that can be gleaned from trend log analysis. Whether the trended data comes from a BAS or from portable dataloggers, the analysis is the same.
To commemorate its 65th anniversary, Maxitrol Company announces its 65 years & Still Regulating Contest to find the oldest Maxitrol regulator still in service.
Yaskawa America Inc. manufactured its one millionth inverter in the United States in September, marking a significant milestone for the drives and motion control company.
“Too warm.”
“Too stuffy.”
“Not enough airflow.”
These were just a few of the countless complaints that facilities managers of the Basic Medical Science Building at the University of New Mexico were receiving on a regular basis.
Whether at work or in our personal lives, we all try to be smart shoppers. We’ll go that extra mile to save a few percent on upfront purchase costs but every so often miss the big picture by not taking total cost of ownership (TCO) into account.
Using data trend logs to supplement in-field functional performance testing (FPT) has always been an option in the commissioning process, particularly for HVAC systems controlled by DDC systems. As DDC system trending capabilities and computer hardware storage capacities have improved substantially over the past few years, I propose that trend logs be given a more prominent place in the commissioning toolbox.