An O&M Manual is a document that outlines the operational and maintenance procedures for a particular system or piece of equipment. It is an essential part of any installation and provides a comprehensive guide to ensure that the system or equipment is operated and maintained correctly. The manual should include detailed instructions on how to operate the system, as well as a list of components and their respective functions. It should also include maintenance schedules, safety procedures, and troubleshooting tips. An O&M Manual is a valuable resource for both the user and the maintenance personnel, as it provides the necessary information to ensure that the system or equipment is running properly and safely.