Serial Number - Mitsubishi Electric PUD-SWM Series Installation Manual

13. Serial number

■ The serial number is indicated on the SPEC NAME PLATE.
Sequential number for each unit: 00001–99999
en
Month of manufacture: A (1), B (2), C (3), D (4), E (5), F (6), G (7), H (8), J (9), K (10), L (11), M (12)
Year of manufacture (western calendar) : 2020 → 0, 2021 → 1
17