What is BMS (Building Managment System)& is AHU / HVAC are
in BMS.

Answer Posted / venkatesu

BMS contains HVAC System monitoring & controls, Lighting 
system controls & Monitoring of all other facility 
equipments like elevators, escalators, D.G., U.P.S. , 
Energy meters. BMS also does integration with Fire Alarm 
systems, Access control Systems, CCTV systems & Public 
address systems for better & optimized usage of all these 
systems in any situation. It also measures & store data for 
strategic planning of optimizing of energy consumption in 
the facility. 
Now days DDC controllers communicate each other directly on 
building LAN & BMS workstation to avoid Supervisory 
controller limitations. 

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