Plumbing Africa January 2018 | Page 54

FEATURE 52 Electronic oversight Plumbing Africa looks at building management systems (BMS) and how they are used to enhance and maximise design elements, as well as monitoring and controls. By Tristan Wiggill A BMS is a blend of hardware and software-based control systems installed in buildings to control and monitor the building’s mechanical, electrical, and utility equipment. pumps, VFDs, and associated field devices. It is necessary to measure the values of each field device and other connected points individually before putting them into logic. Mechanical systems typically comprise the HVAC, plumbing, firefighting, and STP equipment, while the electrical services manage the electrical DBs, lighting control and monitoring, generator sets, and UPS equipment. Meanwhile, utility services look after the lifts, fire alarm, security, and public address system equipment. Water-side commissioning comprises individual commissioning of water-cooled chillers, air-cooled chillers, cooling towers, primary pumps, secondary January 2018 Volume 23 I Number 11 INFORMATION SOURCE A BMS system collects the operating information required for intelligent building management. It analyses the operation of the building systems by viewing all important temperatures, humidities, and equipment status. www.plumbingafrica.co.za