METHOD FOR IMPROVING OPERATIONAL EFFICIENCY OF A COOLING SYSTEM THROUGH RETROFITTING A BUILDING WITH A MASTER CONTROLLER

摘要

The application provides a method of operating a Heating, Ventilating, and Air Conditioning (HVAC) arrangement for a building. The method comprising a Master Controller (MC) changing speed of the at least one electric chilled water pump, the MC changing speed of the at least one electric condenser water pump, and the MC selecting a number of active cooling towers with adjusting speed of their respective cooling tower fan.