Serial Number - Mitsubishi Electric PUHZ-W HA Series Installation Manual

11. Serial number

■ The serial number is indicated on the SPEC NAME PLATE.
• W50, 112
HW112, 140
Sequential number for each unit: 00001–99999
U (outdoor unit)
Month of manufacture: 4, 5, 6, 7, 8, 9, X (10), Y (11), Z (12), 1, 2, 3
Year of manufacture (western calendar) : 2014 → 4, 2015 → 5
• W85
Sequential number for each unit: 00001–99999
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) : 2014 → 4, 2015 → 5
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