An O&M Manual is a document that provides information about the operation and maintenance of a system or equipment. It typically includes information about the installation, operation, maintenance, and troubleshooting of the system or equipment. O&M Manuals are often used in the industrial, commercial, and residential sectors to ensure that equipment is properly maintained and operated. They are also used to provide a reference for operators and maintenance personnel to quickly and easily find information about the system or equipment. O&M Manuals are typically written in a technical language and can include diagrams, schematics, and other visuals to help the reader understand the information. The O&M Manuals can be used to ensure that the system or equipment is properly operated and maintained, as well as to provide a reference for troubleshooting and repairs.