A.5 Specification Change - Mitsubishi Electric FR-D720S SC EC Instruction Manual

Appendix
A.5 Specification change
A.5.1 SERIAL number check
Check the SERIAL number indicated on the inverter rating plate or package (refer to
section 1.2).
The SERIAL consists of:
● 1 version symbol,
● 2 numeric characters or 1 numeric character and 1 alphabet letter indicating year and month
Last digit of the production year is indicated as the Year, and the Month is indicated by 1 to
9, X (October), Y (November), and Z (December).
● 6 numeric characters indicating control number.
Fig. A-7: Rating plate example
FR-D700 SC EC
Symbol Year Month
Specification change
SERIAL (Serial No.)
Control number
I002089E
A - 19