Enter all 8, 9 or 14 characters. Spaces, dashes and lowercase letters are accepted. Use the separate model field for a manual search; older numeric nine-digit serials may require a known decade.
Checks ENERGY STAR model records and searches manuals separately from the serial. Certification records do not establish this unit’s manufacture date.
Choose a system only when it matches the product family and its documentation. A purchase year or a manual’s publication date does not establish a manufacturing date.
Full QSC lookup & label guide · Manuals+