As the true work horses of a TIAC system, chillers are very good at moving the heat from the process water system to the heat rejection system in very large quantities as long as the variables of the process water and heat rejections systems stay within the design limits of the chillers. If these variables venture outside the design limits, the chillers can experience a condition called surge which can cause damage to the chiller’s compressor.
Chilled water plants are sophisticated assets comprised of mechanical and electrical systems controlled by programmable logic controllers (PLCs). They play a critical role in the operation of a wide range of facilities, including power plants, industrial facilities and data centers, and are often designed to function with minimal operator interaction. However, even the most intelligent systems degrade over time and require some amount of service and tuning to maintain optimal performance.
“Sure, we have plenty of space….”
Often times that is the response we receive when we have to add equipment to an existing, or nearly complete design. While there may be physical space for the equipment in question, the space requirements imposed by the National Electrical Code or other regulations around electrical equipment often make a seemingly ample-sized space just too small. Some reasons for regulatory requirements for space around electrical and other equipment include: means of egress from an enclosed space in the event of a fire, door swing clearance for protection of personnel, electrical working clearances for the protection of electrical workers, fire safety equipment access (such as fire extinguishers), and equipment operational space where manual manipulation of equipment is necessary for operations personnel.