10. Serial number
■ The serial number is indicated on the SPEC NAME PLATE.
P
Sequential number for each unit: 00001–99999
P (Product code of outdoor)
Month of manufacture: 1, 2, 3, 4, 5, 6, 7, 8, 9, X (10), Y (11), Z (12)
Year of manufacture (western calendar) : 2019 → 9. 2020 → 0
en
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