From BACnet To Soapy Belts
1) Commissioning columnist Rebecca Ellis writes that continuous BAS monitoring and alarming of VAV boxes can yield multiple benefits. However, she estimates the uptick in workload translates to one additional full-time maintenance person for every:
VAV Reheat Terminal Unit Controls, Rebecca T. Ellis, P.E.
Two-Pipe Fan-Coil Unit Controls, Rebecca T. Ellis, P.E.
Commissioning Fan-Powered VAV Terminal Units, Rebecca T. Ellis, P.E.
2) CHP stands for:
3) Spray a noisy belt drive with soapy water while the drive is operating. If the noise goes away or decreases,
Terms Of Service: Motor Fundamentals, Timothy J. Coyle, P.E., MSEE.
Motors: The Proactive Approach To Voltage Unbalance, Thomas Bishop, P.E.
Using Variable Speed Drives In Retrofits, Paul Ehrlich, P.E.
4) Today's atrium smoke control systems are commonly based on performance-based tenability analysis. Systems built during the 1980s were more likely based on:
How Reliable Is Your Smoke Control System, Mike Ferreira, P.E.
Selecting & Installing Fire And Smoke Dampers To Ensure Code Compliance, Viral Amin, P.E.
Life Safety Upgrades In Historic Buildings, Matthew Chalifoux, AIA Christina Collester, P.E.
5) Most early BACnet systems ...
BAS Integration To Factory-Mounted Controls, Ira Goldschmidt P.E.
BAS History: A Look Back, Paul Ehrlich, P.E.
The Future Of Open Protocols, Paul Ehrlich, P.E.