Chillers: Sequence of Operations and Optimization

Efficient cooling is the backbone of modern buildings, industrial processes, and data centers. Chillers play a critical role in ensuring stable and reliable cooling performance while optimizing energy efficiency. However, managing a chiller plant is not just about turning the system on and off; it requires a well-structured sequence of operations to maintain peak performance, minimize downtime, and extend equipment life.

This book/document provides a detailed breakdown of the chiller sequence of operations, guiding HVAC engineers, facility managers, and technicians through the essential steps of chiller operation, from startup to shutdown. It covers fundamental principles, best practices, and advanced optimization techniques to enhance system efficiency and reliability.

With the increasing demand for energy-efficient cooling solutions, understanding the correct sequencing and control strategies is crucial. Whether you are a seasoned professional or a newcomer to HVAC systems, this resource will equip you with the knowledge needed to operate and maintain chillers effectively.

I hope this guide serves as a valuable reference in your pursuit of optimal chiller plant management.

Charles Nehme

HVAC Consultant & Author

CFN-HVAC